Merge "Added release notes for 'ContentHandler::runLegacyHooks' removal"
[mediawiki.git] / resources / lib / jquery / jquery.js
blob6feb11086f45e266dd2334213479f0dc2276fb02
1 /*!
2  * jQuery JavaScript Library v1.11.3
3  * http://jquery.com/
4  *
5  * Includes Sizzle.js
6  * http://sizzlejs.com/
7  *
8  * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
9  * Released under the MIT license
10  * http://jquery.org/license
11  *
12  * Date: 2015-04-28T16:19Z
13  */
15 (function( global, factory ) {
17         if ( typeof module === "object" && typeof module.exports === "object" ) {
18                 // For CommonJS and CommonJS-like environments where a proper window is present,
19                 // execute the factory and get jQuery
20                 // For environments that do not inherently posses a window with a document
21                 // (such as Node.js), expose a jQuery-making factory as module.exports
22                 // This accentuates the need for the creation of a real window
23                 // e.g. var jQuery = require("jquery")(window);
24                 // See ticket #14549 for more info
25                 module.exports = global.document ?
26                         factory( global, true ) :
27                         function( w ) {
28                                 if ( !w.document ) {
29                                         throw new Error( "jQuery requires a window with a document" );
30                                 }
31                                 return factory( w );
32                         };
33         } else {
34                 factory( global );
35         }
37 // Pass this if window is not defined yet
38 }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
40 // Can't do this because several apps including ASP.NET trace
41 // the stack via arguments.caller.callee and Firefox dies if
42 // you try to trace through "use strict" call chains. (#13335)
43 // Support: Firefox 18+
46 var deletedIds = [];
48 var slice = deletedIds.slice;
50 var concat = deletedIds.concat;
52 var push = deletedIds.push;
54 var indexOf = deletedIds.indexOf;
56 var class2type = {};
58 var toString = class2type.toString;
60 var hasOwn = class2type.hasOwnProperty;
62 var support = {};
66 var
67         version = "1.11.3",
69         // Define a local copy of jQuery
70         jQuery = function( selector, context ) {
71                 // The jQuery object is actually just the init constructor 'enhanced'
72                 // Need init if jQuery is called (just allow error to be thrown if not included)
73                 return new jQuery.fn.init( selector, context );
74         },
76         // Support: Android<4.1, IE<9
77         // Make sure we trim BOM and NBSP
78         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
80         // Matches dashed string for camelizing
81         rmsPrefix = /^-ms-/,
82         rdashAlpha = /-([\da-z])/gi,
84         // Used by jQuery.camelCase as callback to replace()
85         fcamelCase = function( all, letter ) {
86                 return letter.toUpperCase();
87         };
89 jQuery.fn = jQuery.prototype = {
90         // The current version of jQuery being used
91         jquery: version,
93         constructor: jQuery,
95         // Start with an empty selector
96         selector: "",
98         // The default length of a jQuery object is 0
99         length: 0,
101         toArray: function() {
102                 return slice.call( this );
103         },
105         // Get the Nth element in the matched element set OR
106         // Get the whole matched element set as a clean array
107         get: function( num ) {
108                 return num != null ?
110                         // Return just the one element from the set
111                         ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
113                         // Return all the elements in a clean array
114                         slice.call( this );
115         },
117         // Take an array of elements and push it onto the stack
118         // (returning the new matched element set)
119         pushStack: function( elems ) {
121                 // Build a new jQuery matched element set
122                 var ret = jQuery.merge( this.constructor(), elems );
124                 // Add the old object onto the stack (as a reference)
125                 ret.prevObject = this;
126                 ret.context = this.context;
128                 // Return the newly-formed element set
129                 return ret;
130         },
132         // Execute a callback for every element in the matched set.
133         // (You can seed the arguments with an array of args, but this is
134         // only used internally.)
135         each: function( callback, args ) {
136                 return jQuery.each( this, callback, args );
137         },
139         map: function( callback ) {
140                 return this.pushStack( jQuery.map(this, function( elem, i ) {
141                         return callback.call( elem, i, elem );
142                 }));
143         },
145         slice: function() {
146                 return this.pushStack( slice.apply( this, arguments ) );
147         },
149         first: function() {
150                 return this.eq( 0 );
151         },
153         last: function() {
154                 return this.eq( -1 );
155         },
157         eq: function( i ) {
158                 var len = this.length,
159                         j = +i + ( i < 0 ? len : 0 );
160                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
161         },
163         end: function() {
164                 return this.prevObject || this.constructor(null);
165         },
167         // For internal use only.
168         // Behaves like an Array's method, not like a jQuery method.
169         push: push,
170         sort: deletedIds.sort,
171         splice: deletedIds.splice
174 jQuery.extend = jQuery.fn.extend = function() {
175         var src, copyIsArray, copy, name, options, clone,
176                 target = arguments[0] || {},
177                 i = 1,
178                 length = arguments.length,
179                 deep = false;
181         // Handle a deep copy situation
182         if ( typeof target === "boolean" ) {
183                 deep = target;
185                 // skip the boolean and the target
186                 target = arguments[ i ] || {};
187                 i++;
188         }
190         // Handle case when target is a string or something (possible in deep copy)
191         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
192                 target = {};
193         }
195         // extend jQuery itself if only one argument is passed
196         if ( i === length ) {
197                 target = this;
198                 i--;
199         }
201         for ( ; i < length; i++ ) {
202                 // Only deal with non-null/undefined values
203                 if ( (options = arguments[ i ]) != null ) {
204                         // Extend the base object
205                         for ( name in options ) {
206                                 src = target[ name ];
207                                 copy = options[ name ];
209                                 // Prevent never-ending loop
210                                 if ( target === copy ) {
211                                         continue;
212                                 }
214                                 // Recurse if we're merging plain objects or arrays
215                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
216                                         if ( copyIsArray ) {
217                                                 copyIsArray = false;
218                                                 clone = src && jQuery.isArray(src) ? src : [];
220                                         } else {
221                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
222                                         }
224                                         // Never move original objects, clone them
225                                         target[ name ] = jQuery.extend( deep, clone, copy );
227                                 // Don't bring in undefined values
228                                 } else if ( copy !== undefined ) {
229                                         target[ name ] = copy;
230                                 }
231                         }
232                 }
233         }
235         // Return the modified object
236         return target;
239 jQuery.extend({
240         // Unique for each copy of jQuery on the page
241         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
243         // Assume jQuery is ready without the ready module
244         isReady: true,
246         error: function( msg ) {
247                 throw new Error( msg );
248         },
250         noop: function() {},
252         // See test/unit/core.js for details concerning isFunction.
253         // Since version 1.3, DOM methods and functions like alert
254         // aren't supported. They return false on IE (#2968).
255         isFunction: function( obj ) {
256                 return jQuery.type(obj) === "function";
257         },
259         isArray: Array.isArray || function( obj ) {
260                 return jQuery.type(obj) === "array";
261         },
263         isWindow: function( obj ) {
264                 /* jshint eqeqeq: false */
265                 return obj != null && obj == obj.window;
266         },
268         isNumeric: function( obj ) {
269                 // parseFloat NaNs numeric-cast false positives (null|true|false|"")
270                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
271                 // subtraction forces infinities to NaN
272                 // adding 1 corrects loss of precision from parseFloat (#15100)
273                 return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0;
274         },
276         isEmptyObject: function( obj ) {
277                 var name;
278                 for ( name in obj ) {
279                         return false;
280                 }
281                 return true;
282         },
284         isPlainObject: function( obj ) {
285                 var key;
287                 // Must be an Object.
288                 // Because of IE, we also have to check the presence of the constructor property.
289                 // Make sure that DOM nodes and window objects don't pass through, as well
290                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
291                         return false;
292                 }
294                 try {
295                         // Not own constructor property must be Object
296                         if ( obj.constructor &&
297                                 !hasOwn.call(obj, "constructor") &&
298                                 !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
299                                 return false;
300                         }
301                 } catch ( e ) {
302                         // IE8,9 Will throw exceptions on certain host objects #9897
303                         return false;
304                 }
306                 // Support: IE<9
307                 // Handle iteration over inherited properties before own properties.
308                 if ( support.ownLast ) {
309                         for ( key in obj ) {
310                                 return hasOwn.call( obj, key );
311                         }
312                 }
314                 // Own properties are enumerated firstly, so to speed up,
315                 // if last one is own, then all properties are own.
316                 for ( key in obj ) {}
318                 return key === undefined || hasOwn.call( obj, key );
319         },
321         type: function( obj ) {
322                 if ( obj == null ) {
323                         return obj + "";
324                 }
325                 return typeof obj === "object" || typeof obj === "function" ?
326                         class2type[ toString.call(obj) ] || "object" :
327                         typeof obj;
328         },
330         // Evaluates a script in a global context
331         // Workarounds based on findings by Jim Driscoll
332         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
333         globalEval: function( data ) {
334                 if ( data && jQuery.trim( data ) ) {
335                         // We use execScript on Internet Explorer
336                         // We use an anonymous function so that context is window
337                         // rather than jQuery in Firefox
338                         ( window.execScript || function( data ) {
339                                 window[ "eval" ].call( window, data );
340                         } )( data );
341                 }
342         },
344         // Convert dashed to camelCase; used by the css and data modules
345         // Microsoft forgot to hump their vendor prefix (#9572)
346         camelCase: function( string ) {
347                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
348         },
350         nodeName: function( elem, name ) {
351                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
352         },
354         // args is for internal usage only
355         each: function( obj, callback, args ) {
356                 var value,
357                         i = 0,
358                         length = obj.length,
359                         isArray = isArraylike( obj );
361                 if ( args ) {
362                         if ( isArray ) {
363                                 for ( ; i < length; i++ ) {
364                                         value = callback.apply( obj[ i ], args );
366                                         if ( value === false ) {
367                                                 break;
368                                         }
369                                 }
370                         } else {
371                                 for ( i in obj ) {
372                                         value = callback.apply( obj[ i ], args );
374                                         if ( value === false ) {
375                                                 break;
376                                         }
377                                 }
378                         }
380                 // A special, fast, case for the most common use of each
381                 } else {
382                         if ( isArray ) {
383                                 for ( ; i < length; i++ ) {
384                                         value = callback.call( obj[ i ], i, obj[ i ] );
386                                         if ( value === false ) {
387                                                 break;
388                                         }
389                                 }
390                         } else {
391                                 for ( i in obj ) {
392                                         value = callback.call( obj[ i ], i, obj[ i ] );
394                                         if ( value === false ) {
395                                                 break;
396                                         }
397                                 }
398                         }
399                 }
401                 return obj;
402         },
404         // Support: Android<4.1, IE<9
405         trim: function( text ) {
406                 return text == null ?
407                         "" :
408                         ( text + "" ).replace( rtrim, "" );
409         },
411         // results is for internal usage only
412         makeArray: function( arr, results ) {
413                 var ret = results || [];
415                 if ( arr != null ) {
416                         if ( isArraylike( Object(arr) ) ) {
417                                 jQuery.merge( ret,
418                                         typeof arr === "string" ?
419                                         [ arr ] : arr
420                                 );
421                         } else {
422                                 push.call( ret, arr );
423                         }
424                 }
426                 return ret;
427         },
429         inArray: function( elem, arr, i ) {
430                 var len;
432                 if ( arr ) {
433                         if ( indexOf ) {
434                                 return indexOf.call( arr, elem, i );
435                         }
437                         len = arr.length;
438                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
440                         for ( ; i < len; i++ ) {
441                                 // Skip accessing in sparse arrays
442                                 if ( i in arr && arr[ i ] === elem ) {
443                                         return i;
444                                 }
445                         }
446                 }
448                 return -1;
449         },
451         merge: function( first, second ) {
452                 var len = +second.length,
453                         j = 0,
454                         i = first.length;
456                 while ( j < len ) {
457                         first[ i++ ] = second[ j++ ];
458                 }
460                 // Support: IE<9
461                 // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
462                 if ( len !== len ) {
463                         while ( second[j] !== undefined ) {
464                                 first[ i++ ] = second[ j++ ];
465                         }
466                 }
468                 first.length = i;
470                 return first;
471         },
473         grep: function( elems, callback, invert ) {
474                 var callbackInverse,
475                         matches = [],
476                         i = 0,
477                         length = elems.length,
478                         callbackExpect = !invert;
480                 // Go through the array, only saving the items
481                 // that pass the validator function
482                 for ( ; i < length; i++ ) {
483                         callbackInverse = !callback( elems[ i ], i );
484                         if ( callbackInverse !== callbackExpect ) {
485                                 matches.push( elems[ i ] );
486                         }
487                 }
489                 return matches;
490         },
492         // arg is for internal usage only
493         map: function( elems, callback, arg ) {
494                 var value,
495                         i = 0,
496                         length = elems.length,
497                         isArray = isArraylike( elems ),
498                         ret = [];
500                 // Go through the array, translating each of the items to their new values
501                 if ( isArray ) {
502                         for ( ; i < length; i++ ) {
503                                 value = callback( elems[ i ], i, arg );
505                                 if ( value != null ) {
506                                         ret.push( value );
507                                 }
508                         }
510                 // Go through every key on the object,
511                 } else {
512                         for ( i in elems ) {
513                                 value = callback( elems[ i ], i, arg );
515                                 if ( value != null ) {
516                                         ret.push( value );
517                                 }
518                         }
519                 }
521                 // Flatten any nested arrays
522                 return concat.apply( [], ret );
523         },
525         // A global GUID counter for objects
526         guid: 1,
528         // Bind a function to a context, optionally partially applying any
529         // arguments.
530         proxy: function( fn, context ) {
531                 var args, proxy, tmp;
533                 if ( typeof context === "string" ) {
534                         tmp = fn[ context ];
535                         context = fn;
536                         fn = tmp;
537                 }
539                 // Quick check to determine if target is callable, in the spec
540                 // this throws a TypeError, but we will just return undefined.
541                 if ( !jQuery.isFunction( fn ) ) {
542                         return undefined;
543                 }
545                 // Simulated bind
546                 args = slice.call( arguments, 2 );
547                 proxy = function() {
548                         return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
549                 };
551                 // Set the guid of unique handler to the same of original handler, so it can be removed
552                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
554                 return proxy;
555         },
557         now: function() {
558                 return +( new Date() );
559         },
561         // jQuery.support is not used in Core but other projects attach their
562         // properties to it so it needs to exist.
563         support: support
566 // Populate the class2type map
567 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
568         class2type[ "[object " + name + "]" ] = name.toLowerCase();
571 function isArraylike( obj ) {
573         // Support: iOS 8.2 (not reproducible in simulator)
574         // `in` check used to prevent JIT error (gh-2145)
575         // hasOwn isn't used here due to false negatives
576         // regarding Nodelist length in IE
577         var length = "length" in obj && obj.length,
578                 type = jQuery.type( obj );
580         if ( type === "function" || jQuery.isWindow( obj ) ) {
581                 return false;
582         }
584         if ( obj.nodeType === 1 && length ) {
585                 return true;
586         }
588         return type === "array" || length === 0 ||
589                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
591 var Sizzle =
593  * Sizzle CSS Selector Engine v2.2.0-pre
594  * http://sizzlejs.com/
596  * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors
597  * Released under the MIT license
598  * http://jquery.org/license
600  * Date: 2014-12-16
601  */
602 (function( window ) {
604 var i,
605         support,
606         Expr,
607         getText,
608         isXML,
609         tokenize,
610         compile,
611         select,
612         outermostContext,
613         sortInput,
614         hasDuplicate,
616         // Local document vars
617         setDocument,
618         document,
619         docElem,
620         documentIsHTML,
621         rbuggyQSA,
622         rbuggyMatches,
623         matches,
624         contains,
626         // Instance-specific data
627         expando = "sizzle" + 1 * new Date(),
628         preferredDoc = window.document,
629         dirruns = 0,
630         done = 0,
631         classCache = createCache(),
632         tokenCache = createCache(),
633         compilerCache = createCache(),
634         sortOrder = function( a, b ) {
635                 if ( a === b ) {
636                         hasDuplicate = true;
637                 }
638                 return 0;
639         },
641         // General-purpose constants
642         MAX_NEGATIVE = 1 << 31,
644         // Instance methods
645         hasOwn = ({}).hasOwnProperty,
646         arr = [],
647         pop = arr.pop,
648         push_native = arr.push,
649         push = arr.push,
650         slice = arr.slice,
651         // Use a stripped-down indexOf as it's faster than native
652         // http://jsperf.com/thor-indexof-vs-for/5
653         indexOf = function( list, elem ) {
654                 var i = 0,
655                         len = list.length;
656                 for ( ; i < len; i++ ) {
657                         if ( list[i] === elem ) {
658                                 return i;
659                         }
660                 }
661                 return -1;
662         },
664         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
666         // Regular expressions
668         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
669         whitespace = "[\\x20\\t\\r\\n\\f]",
670         // http://www.w3.org/TR/css3-syntax/#characters
671         characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
673         // Loosely modeled on CSS identifier characters
674         // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
675         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
676         identifier = characterEncoding.replace( "w", "w#" ),
678         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
679         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
680                 // Operator (capture 2)
681                 "*([*^$|!~]?=)" + whitespace +
682                 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
683                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
684                 "*\\]",
686         pseudos = ":(" + characterEncoding + ")(?:\\((" +
687                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
688                 // 1. quoted (capture 3; capture 4 or capture 5)
689                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
690                 // 2. simple (capture 6)
691                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
692                 // 3. anything else (capture 2)
693                 ".*" +
694                 ")\\)|)",
696         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
697         rwhitespace = new RegExp( whitespace + "+", "g" ),
698         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
700         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
701         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
703         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
705         rpseudo = new RegExp( pseudos ),
706         ridentifier = new RegExp( "^" + identifier + "$" ),
708         matchExpr = {
709                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
710                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
711                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
712                 "ATTR": new RegExp( "^" + attributes ),
713                 "PSEUDO": new RegExp( "^" + pseudos ),
714                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
715                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
716                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
717                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
718                 // For use in libraries implementing .is()
719                 // We use this for POS matching in `select`
720                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
721                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
722         },
724         rinputs = /^(?:input|select|textarea|button)$/i,
725         rheader = /^h\d$/i,
727         rnative = /^[^{]+\{\s*\[native \w/,
729         // Easily-parseable/retrievable ID or TAG or CLASS selectors
730         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
732         rsibling = /[+~]/,
733         rescape = /'|\\/g,
735         // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
736         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
737         funescape = function( _, escaped, escapedWhitespace ) {
738                 var high = "0x" + escaped - 0x10000;
739                 // NaN means non-codepoint
740                 // Support: Firefox<24
741                 // Workaround erroneous numeric interpretation of +"0x"
742                 return high !== high || escapedWhitespace ?
743                         escaped :
744                         high < 0 ?
745                                 // BMP codepoint
746                                 String.fromCharCode( high + 0x10000 ) :
747                                 // Supplemental Plane codepoint (surrogate pair)
748                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
749         },
751         // Used for iframes
752         // See setDocument()
753         // Removing the function wrapper causes a "Permission Denied"
754         // error in IE
755         unloadHandler = function() {
756                 setDocument();
757         };
759 // Optimize for push.apply( _, NodeList )
760 try {
761         push.apply(
762                 (arr = slice.call( preferredDoc.childNodes )),
763                 preferredDoc.childNodes
764         );
765         // Support: Android<4.0
766         // Detect silently failing push.apply
767         arr[ preferredDoc.childNodes.length ].nodeType;
768 } catch ( e ) {
769         push = { apply: arr.length ?
771                 // Leverage slice if possible
772                 function( target, els ) {
773                         push_native.apply( target, slice.call(els) );
774                 } :
776                 // Support: IE<9
777                 // Otherwise append directly
778                 function( target, els ) {
779                         var j = target.length,
780                                 i = 0;
781                         // Can't trust NodeList.length
782                         while ( (target[j++] = els[i++]) ) {}
783                         target.length = j - 1;
784                 }
785         };
788 function Sizzle( selector, context, results, seed ) {
789         var match, elem, m, nodeType,
790                 // QSA vars
791                 i, groups, old, nid, newContext, newSelector;
793         if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
794                 setDocument( context );
795         }
797         context = context || document;
798         results = results || [];
799         nodeType = context.nodeType;
801         if ( typeof selector !== "string" || !selector ||
802                 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
804                 return results;
805         }
807         if ( !seed && documentIsHTML ) {
809                 // Try to shortcut find operations when possible (e.g., not under DocumentFragment)
810                 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
811                         // Speed-up: Sizzle("#ID")
812                         if ( (m = match[1]) ) {
813                                 if ( nodeType === 9 ) {
814                                         elem = context.getElementById( m );
815                                         // Check parentNode to catch when Blackberry 4.6 returns
816                                         // nodes that are no longer in the document (jQuery #6963)
817                                         if ( elem && elem.parentNode ) {
818                                                 // Handle the case where IE, Opera, and Webkit return items
819                                                 // by name instead of ID
820                                                 if ( elem.id === m ) {
821                                                         results.push( elem );
822                                                         return results;
823                                                 }
824                                         } else {
825                                                 return results;
826                                         }
827                                 } else {
828                                         // Context is not a document
829                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
830                                                 contains( context, elem ) && elem.id === m ) {
831                                                 results.push( elem );
832                                                 return results;
833                                         }
834                                 }
836                         // Speed-up: Sizzle("TAG")
837                         } else if ( match[2] ) {
838                                 push.apply( results, context.getElementsByTagName( selector ) );
839                                 return results;
841                         // Speed-up: Sizzle(".CLASS")
842                         } else if ( (m = match[3]) && support.getElementsByClassName ) {
843                                 push.apply( results, context.getElementsByClassName( m ) );
844                                 return results;
845                         }
846                 }
848                 // QSA path
849                 if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
850                         nid = old = expando;
851                         newContext = context;
852                         newSelector = nodeType !== 1 && selector;
854                         // qSA works strangely on Element-rooted queries
855                         // We can work around this by specifying an extra ID on the root
856                         // and working up from there (Thanks to Andrew Dupont for the technique)
857                         // IE 8 doesn't work on object elements
858                         if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
859                                 groups = tokenize( selector );
861                                 if ( (old = context.getAttribute("id")) ) {
862                                         nid = old.replace( rescape, "\\$&" );
863                                 } else {
864                                         context.setAttribute( "id", nid );
865                                 }
866                                 nid = "[id='" + nid + "'] ";
868                                 i = groups.length;
869                                 while ( i-- ) {
870                                         groups[i] = nid + toSelector( groups[i] );
871                                 }
872                                 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
873                                 newSelector = groups.join(",");
874                         }
876                         if ( newSelector ) {
877                                 try {
878                                         push.apply( results,
879                                                 newContext.querySelectorAll( newSelector )
880                                         );
881                                         return results;
882                                 } catch(qsaError) {
883                                 } finally {
884                                         if ( !old ) {
885                                                 context.removeAttribute("id");
886                                         }
887                                 }
888                         }
889                 }
890         }
892         // All others
893         return select( selector.replace( rtrim, "$1" ), context, results, seed );
897  * Create key-value caches of limited size
898  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
899  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
900  *      deleting the oldest entry
901  */
902 function createCache() {
903         var keys = [];
905         function cache( key, value ) {
906                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
907                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
908                         // Only keep the most recent entries
909                         delete cache[ keys.shift() ];
910                 }
911                 return (cache[ key + " " ] = value);
912         }
913         return cache;
917  * Mark a function for special use by Sizzle
918  * @param {Function} fn The function to mark
919  */
920 function markFunction( fn ) {
921         fn[ expando ] = true;
922         return fn;
926  * Support testing using an element
927  * @param {Function} fn Passed the created div and expects a boolean result
928  */
929 function assert( fn ) {
930         var div = document.createElement("div");
932         try {
933                 return !!fn( div );
934         } catch (e) {
935                 return false;
936         } finally {
937                 // Remove from its parent by default
938                 if ( div.parentNode ) {
939                         div.parentNode.removeChild( div );
940                 }
941                 // release memory in IE
942                 div = null;
943         }
947  * Adds the same handler for all of the specified attrs
948  * @param {String} attrs Pipe-separated list of attributes
949  * @param {Function} handler The method that will be applied
950  */
951 function addHandle( attrs, handler ) {
952         var arr = attrs.split("|"),
953                 i = attrs.length;
955         while ( i-- ) {
956                 Expr.attrHandle[ arr[i] ] = handler;
957         }
961  * Checks document order of two siblings
962  * @param {Element} a
963  * @param {Element} b
964  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
965  */
966 function siblingCheck( a, b ) {
967         var cur = b && a,
968                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
969                         ( ~b.sourceIndex || MAX_NEGATIVE ) -
970                         ( ~a.sourceIndex || MAX_NEGATIVE );
972         // Use IE sourceIndex if available on both nodes
973         if ( diff ) {
974                 return diff;
975         }
977         // Check if b follows a
978         if ( cur ) {
979                 while ( (cur = cur.nextSibling) ) {
980                         if ( cur === b ) {
981                                 return -1;
982                         }
983                 }
984         }
986         return a ? 1 : -1;
990  * Returns a function to use in pseudos for input types
991  * @param {String} type
992  */
993 function createInputPseudo( type ) {
994         return function( elem ) {
995                 var name = elem.nodeName.toLowerCase();
996                 return name === "input" && elem.type === type;
997         };
1001  * Returns a function to use in pseudos for buttons
1002  * @param {String} type
1003  */
1004 function createButtonPseudo( type ) {
1005         return function( elem ) {
1006                 var name = elem.nodeName.toLowerCase();
1007                 return (name === "input" || name === "button") && elem.type === type;
1008         };
1012  * Returns a function to use in pseudos for positionals
1013  * @param {Function} fn
1014  */
1015 function createPositionalPseudo( fn ) {
1016         return markFunction(function( argument ) {
1017                 argument = +argument;
1018                 return markFunction(function( seed, matches ) {
1019                         var j,
1020                                 matchIndexes = fn( [], seed.length, argument ),
1021                                 i = matchIndexes.length;
1023                         // Match elements found at the specified indexes
1024                         while ( i-- ) {
1025                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1026                                         seed[j] = !(matches[j] = seed[j]);
1027                                 }
1028                         }
1029                 });
1030         });
1034  * Checks a node for validity as a Sizzle context
1035  * @param {Element|Object=} context
1036  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1037  */
1038 function testContext( context ) {
1039         return context && typeof context.getElementsByTagName !== "undefined" && context;
1042 // Expose support vars for convenience
1043 support = Sizzle.support = {};
1046  * Detects XML nodes
1047  * @param {Element|Object} elem An element or a document
1048  * @returns {Boolean} True iff elem is a non-HTML XML node
1049  */
1050 isXML = Sizzle.isXML = function( elem ) {
1051         // documentElement is verified for cases where it doesn't yet exist
1052         // (such as loading iframes in IE - #4833)
1053         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1054         return documentElement ? documentElement.nodeName !== "HTML" : false;
1058  * Sets document-related variables once based on the current document
1059  * @param {Element|Object} [doc] An element or document object to use to set the document
1060  * @returns {Object} Returns the current document
1061  */
1062 setDocument = Sizzle.setDocument = function( node ) {
1063         var hasCompare, parent,
1064                 doc = node ? node.ownerDocument || node : preferredDoc;
1066         // If no document and documentElement is available, return
1067         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1068                 return document;
1069         }
1071         // Set our document
1072         document = doc;
1073         docElem = doc.documentElement;
1074         parent = doc.defaultView;
1076         // Support: IE>8
1077         // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1078         // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1079         // IE6-8 do not support the defaultView property so parent will be undefined
1080         if ( parent && parent !== parent.top ) {
1081                 // IE11 does not have attachEvent, so all must suffer
1082                 if ( parent.addEventListener ) {
1083                         parent.addEventListener( "unload", unloadHandler, false );
1084                 } else if ( parent.attachEvent ) {
1085                         parent.attachEvent( "onunload", unloadHandler );
1086                 }
1087         }
1089         /* Support tests
1090         ---------------------------------------------------------------------- */
1091         documentIsHTML = !isXML( doc );
1093         /* Attributes
1094         ---------------------------------------------------------------------- */
1096         // Support: IE<8
1097         // Verify that getAttribute really returns attributes and not properties
1098         // (excepting IE8 booleans)
1099         support.attributes = assert(function( div ) {
1100                 div.className = "i";
1101                 return !div.getAttribute("className");
1102         });
1104         /* getElement(s)By*
1105         ---------------------------------------------------------------------- */
1107         // Check if getElementsByTagName("*") returns only elements
1108         support.getElementsByTagName = assert(function( div ) {
1109                 div.appendChild( doc.createComment("") );
1110                 return !div.getElementsByTagName("*").length;
1111         });
1113         // Support: IE<9
1114         support.getElementsByClassName = rnative.test( doc.getElementsByClassName );
1116         // Support: IE<10
1117         // Check if getElementById returns elements by name
1118         // The broken getElementById methods don't pick up programatically-set names,
1119         // so use a roundabout getElementsByName test
1120         support.getById = assert(function( div ) {
1121                 docElem.appendChild( div ).id = expando;
1122                 return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1123         });
1125         // ID find and filter
1126         if ( support.getById ) {
1127                 Expr.find["ID"] = function( id, context ) {
1128                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1129                                 var m = context.getElementById( id );
1130                                 // Check parentNode to catch when Blackberry 4.6 returns
1131                                 // nodes that are no longer in the document #6963
1132                                 return m && m.parentNode ? [ m ] : [];
1133                         }
1134                 };
1135                 Expr.filter["ID"] = function( id ) {
1136                         var attrId = id.replace( runescape, funescape );
1137                         return function( elem ) {
1138                                 return elem.getAttribute("id") === attrId;
1139                         };
1140                 };
1141         } else {
1142                 // Support: IE6/7
1143                 // getElementById is not reliable as a find shortcut
1144                 delete Expr.find["ID"];
1146                 Expr.filter["ID"] =  function( id ) {
1147                         var attrId = id.replace( runescape, funescape );
1148                         return function( elem ) {
1149                                 var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
1150                                 return node && node.value === attrId;
1151                         };
1152                 };
1153         }
1155         // Tag
1156         Expr.find["TAG"] = support.getElementsByTagName ?
1157                 function( tag, context ) {
1158                         if ( typeof context.getElementsByTagName !== "undefined" ) {
1159                                 return context.getElementsByTagName( tag );
1161                         // DocumentFragment nodes don't have gEBTN
1162                         } else if ( support.qsa ) {
1163                                 return context.querySelectorAll( tag );
1164                         }
1165                 } :
1167                 function( tag, context ) {
1168                         var elem,
1169                                 tmp = [],
1170                                 i = 0,
1171                                 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1172                                 results = context.getElementsByTagName( tag );
1174                         // Filter out possible comments
1175                         if ( tag === "*" ) {
1176                                 while ( (elem = results[i++]) ) {
1177                                         if ( elem.nodeType === 1 ) {
1178                                                 tmp.push( elem );
1179                                         }
1180                                 }
1182                                 return tmp;
1183                         }
1184                         return results;
1185                 };
1187         // Class
1188         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1189                 if ( documentIsHTML ) {
1190                         return context.getElementsByClassName( className );
1191                 }
1192         };
1194         /* QSA/matchesSelector
1195         ---------------------------------------------------------------------- */
1197         // QSA and matchesSelector support
1199         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1200         rbuggyMatches = [];
1202         // qSa(:focus) reports false when true (Chrome 21)
1203         // We allow this because of a bug in IE8/9 that throws an error
1204         // whenever `document.activeElement` is accessed on an iframe
1205         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1206         // See http://bugs.jquery.com/ticket/13378
1207         rbuggyQSA = [];
1209         if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1210                 // Build QSA regex
1211                 // Regex strategy adopted from Diego Perini
1212                 assert(function( div ) {
1213                         // Select is set to empty string on purpose
1214                         // This is to test IE's treatment of not explicitly
1215                         // setting a boolean content attribute,
1216                         // since its presence should be enough
1217                         // http://bugs.jquery.com/ticket/12359
1218                         docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
1219                                 "<select id='" + expando + "-\f]' msallowcapture=''>" +
1220                                 "<option selected=''></option></select>";
1222                         // Support: IE8, Opera 11-12.16
1223                         // Nothing should be selected when empty strings follow ^= or $= or *=
1224                         // The test attribute must be unknown in Opera but "safe" for WinRT
1225                         // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1226                         if ( div.querySelectorAll("[msallowcapture^='']").length ) {
1227                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1228                         }
1230                         // Support: IE8
1231                         // Boolean attributes and "value" are not treated correctly
1232                         if ( !div.querySelectorAll("[selected]").length ) {
1233                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1234                         }
1236                         // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+
1237                         if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1238                                 rbuggyQSA.push("~=");
1239                         }
1241                         // Webkit/Opera - :checked should return selected option elements
1242                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1243                         // IE8 throws error here and will not see later tests
1244                         if ( !div.querySelectorAll(":checked").length ) {
1245                                 rbuggyQSA.push(":checked");
1246                         }
1248                         // Support: Safari 8+, iOS 8+
1249                         // https://bugs.webkit.org/show_bug.cgi?id=136851
1250                         // In-page `selector#id sibing-combinator selector` fails
1251                         if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
1252                                 rbuggyQSA.push(".#.+[+~]");
1253                         }
1254                 });
1256                 assert(function( div ) {
1257                         // Support: Windows 8 Native Apps
1258                         // The type and name attributes are restricted during .innerHTML assignment
1259                         var input = doc.createElement("input");
1260                         input.setAttribute( "type", "hidden" );
1261                         div.appendChild( input ).setAttribute( "name", "D" );
1263                         // Support: IE8
1264                         // Enforce case-sensitivity of name attribute
1265                         if ( div.querySelectorAll("[name=d]").length ) {
1266                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1267                         }
1269                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1270                         // IE8 throws error here and will not see later tests
1271                         if ( !div.querySelectorAll(":enabled").length ) {
1272                                 rbuggyQSA.push( ":enabled", ":disabled" );
1273                         }
1275                         // Opera 10-11 does not throw on post-comma invalid pseudos
1276                         div.querySelectorAll("*,:x");
1277                         rbuggyQSA.push(",.*:");
1278                 });
1279         }
1281         if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1282                 docElem.webkitMatchesSelector ||
1283                 docElem.mozMatchesSelector ||
1284                 docElem.oMatchesSelector ||
1285                 docElem.msMatchesSelector) )) ) {
1287                 assert(function( div ) {
1288                         // Check to see if it's possible to do matchesSelector
1289                         // on a disconnected node (IE 9)
1290                         support.disconnectedMatch = matches.call( div, "div" );
1292                         // This should fail with an exception
1293                         // Gecko does not error, returns false instead
1294                         matches.call( div, "[s!='']:x" );
1295                         rbuggyMatches.push( "!=", pseudos );
1296                 });
1297         }
1299         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1300         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1302         /* Contains
1303         ---------------------------------------------------------------------- */
1304         hasCompare = rnative.test( docElem.compareDocumentPosition );
1306         // Element contains another
1307         // Purposefully does not implement inclusive descendent
1308         // As in, an element does not contain itself
1309         contains = hasCompare || rnative.test( docElem.contains ) ?
1310                 function( a, b ) {
1311                         var adown = a.nodeType === 9 ? a.documentElement : a,
1312                                 bup = b && b.parentNode;
1313                         return a === bup || !!( bup && bup.nodeType === 1 && (
1314                                 adown.contains ?
1315                                         adown.contains( bup ) :
1316                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1317                         ));
1318                 } :
1319                 function( a, b ) {
1320                         if ( b ) {
1321                                 while ( (b = b.parentNode) ) {
1322                                         if ( b === a ) {
1323                                                 return true;
1324                                         }
1325                                 }
1326                         }
1327                         return false;
1328                 };
1330         /* Sorting
1331         ---------------------------------------------------------------------- */
1333         // Document order sorting
1334         sortOrder = hasCompare ?
1335         function( a, b ) {
1337                 // Flag for duplicate removal
1338                 if ( a === b ) {
1339                         hasDuplicate = true;
1340                         return 0;
1341                 }
1343                 // Sort on method existence if only one input has compareDocumentPosition
1344                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1345                 if ( compare ) {
1346                         return compare;
1347                 }
1349                 // Calculate position if both inputs belong to the same document
1350                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1351                         a.compareDocumentPosition( b ) :
1353                         // Otherwise we know they are disconnected
1354                         1;
1356                 // Disconnected nodes
1357                 if ( compare & 1 ||
1358                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1360                         // Choose the first element that is related to our preferred document
1361                         if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1362                                 return -1;
1363                         }
1364                         if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1365                                 return 1;
1366                         }
1368                         // Maintain original order
1369                         return sortInput ?
1370                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1371                                 0;
1372                 }
1374                 return compare & 4 ? -1 : 1;
1375         } :
1376         function( a, b ) {
1377                 // Exit early if the nodes are identical
1378                 if ( a === b ) {
1379                         hasDuplicate = true;
1380                         return 0;
1381                 }
1383                 var cur,
1384                         i = 0,
1385                         aup = a.parentNode,
1386                         bup = b.parentNode,
1387                         ap = [ a ],
1388                         bp = [ b ];
1390                 // Parentless nodes are either documents or disconnected
1391                 if ( !aup || !bup ) {
1392                         return a === doc ? -1 :
1393                                 b === doc ? 1 :
1394                                 aup ? -1 :
1395                                 bup ? 1 :
1396                                 sortInput ?
1397                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1398                                 0;
1400                 // If the nodes are siblings, we can do a quick check
1401                 } else if ( aup === bup ) {
1402                         return siblingCheck( a, b );
1403                 }
1405                 // Otherwise we need full lists of their ancestors for comparison
1406                 cur = a;
1407                 while ( (cur = cur.parentNode) ) {
1408                         ap.unshift( cur );
1409                 }
1410                 cur = b;
1411                 while ( (cur = cur.parentNode) ) {
1412                         bp.unshift( cur );
1413                 }
1415                 // Walk down the tree looking for a discrepancy
1416                 while ( ap[i] === bp[i] ) {
1417                         i++;
1418                 }
1420                 return i ?
1421                         // Do a sibling check if the nodes have a common ancestor
1422                         siblingCheck( ap[i], bp[i] ) :
1424                         // Otherwise nodes in our document sort first
1425                         ap[i] === preferredDoc ? -1 :
1426                         bp[i] === preferredDoc ? 1 :
1427                         0;
1428         };
1430         return doc;
1433 Sizzle.matches = function( expr, elements ) {
1434         return Sizzle( expr, null, null, elements );
1437 Sizzle.matchesSelector = function( elem, expr ) {
1438         // Set document vars if needed
1439         if ( ( elem.ownerDocument || elem ) !== document ) {
1440                 setDocument( elem );
1441         }
1443         // Make sure that attribute selectors are quoted
1444         expr = expr.replace( rattributeQuotes, "='$1']" );
1446         if ( support.matchesSelector && documentIsHTML &&
1447                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1448                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1450                 try {
1451                         var ret = matches.call( elem, expr );
1453                         // IE 9's matchesSelector returns false on disconnected nodes
1454                         if ( ret || support.disconnectedMatch ||
1455                                         // As well, disconnected nodes are said to be in a document
1456                                         // fragment in IE 9
1457                                         elem.document && elem.document.nodeType !== 11 ) {
1458                                 return ret;
1459                         }
1460                 } catch (e) {}
1461         }
1463         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1466 Sizzle.contains = function( context, elem ) {
1467         // Set document vars if needed
1468         if ( ( context.ownerDocument || context ) !== document ) {
1469                 setDocument( context );
1470         }
1471         return contains( context, elem );
1474 Sizzle.attr = function( elem, name ) {
1475         // Set document vars if needed
1476         if ( ( elem.ownerDocument || elem ) !== document ) {
1477                 setDocument( elem );
1478         }
1480         var fn = Expr.attrHandle[ name.toLowerCase() ],
1481                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1482                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1483                         fn( elem, name, !documentIsHTML ) :
1484                         undefined;
1486         return val !== undefined ?
1487                 val :
1488                 support.attributes || !documentIsHTML ?
1489                         elem.getAttribute( name ) :
1490                         (val = elem.getAttributeNode(name)) && val.specified ?
1491                                 val.value :
1492                                 null;
1495 Sizzle.error = function( msg ) {
1496         throw new Error( "Syntax error, unrecognized expression: " + msg );
1500  * Document sorting and removing duplicates
1501  * @param {ArrayLike} results
1502  */
1503 Sizzle.uniqueSort = function( results ) {
1504         var elem,
1505                 duplicates = [],
1506                 j = 0,
1507                 i = 0;
1509         // Unless we *know* we can detect duplicates, assume their presence
1510         hasDuplicate = !support.detectDuplicates;
1511         sortInput = !support.sortStable && results.slice( 0 );
1512         results.sort( sortOrder );
1514         if ( hasDuplicate ) {
1515                 while ( (elem = results[i++]) ) {
1516                         if ( elem === results[ i ] ) {
1517                                 j = duplicates.push( i );
1518                         }
1519                 }
1520                 while ( j-- ) {
1521                         results.splice( duplicates[ j ], 1 );
1522                 }
1523         }
1525         // Clear input after sorting to release objects
1526         // See https://github.com/jquery/sizzle/pull/225
1527         sortInput = null;
1529         return results;
1533  * Utility function for retrieving the text value of an array of DOM nodes
1534  * @param {Array|Element} elem
1535  */
1536 getText = Sizzle.getText = function( elem ) {
1537         var node,
1538                 ret = "",
1539                 i = 0,
1540                 nodeType = elem.nodeType;
1542         if ( !nodeType ) {
1543                 // If no nodeType, this is expected to be an array
1544                 while ( (node = elem[i++]) ) {
1545                         // Do not traverse comment nodes
1546                         ret += getText( node );
1547                 }
1548         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1549                 // Use textContent for elements
1550                 // innerText usage removed for consistency of new lines (jQuery #11153)
1551                 if ( typeof elem.textContent === "string" ) {
1552                         return elem.textContent;
1553                 } else {
1554                         // Traverse its children
1555                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1556                                 ret += getText( elem );
1557                         }
1558                 }
1559         } else if ( nodeType === 3 || nodeType === 4 ) {
1560                 return elem.nodeValue;
1561         }
1562         // Do not include comment or processing instruction nodes
1564         return ret;
1567 Expr = Sizzle.selectors = {
1569         // Can be adjusted by the user
1570         cacheLength: 50,
1572         createPseudo: markFunction,
1574         match: matchExpr,
1576         attrHandle: {},
1578         find: {},
1580         relative: {
1581                 ">": { dir: "parentNode", first: true },
1582                 " ": { dir: "parentNode" },
1583                 "+": { dir: "previousSibling", first: true },
1584                 "~": { dir: "previousSibling" }
1585         },
1587         preFilter: {
1588                 "ATTR": function( match ) {
1589                         match[1] = match[1].replace( runescape, funescape );
1591                         // Move the given value to match[3] whether quoted or unquoted
1592                         match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1594                         if ( match[2] === "~=" ) {
1595                                 match[3] = " " + match[3] + " ";
1596                         }
1598                         return match.slice( 0, 4 );
1599                 },
1601                 "CHILD": function( match ) {
1602                         /* matches from matchExpr["CHILD"]
1603                                 1 type (only|nth|...)
1604                                 2 what (child|of-type)
1605                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1606                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1607                                 5 sign of xn-component
1608                                 6 x of xn-component
1609                                 7 sign of y-component
1610                                 8 y of y-component
1611                         */
1612                         match[1] = match[1].toLowerCase();
1614                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1615                                 // nth-* requires argument
1616                                 if ( !match[3] ) {
1617                                         Sizzle.error( match[0] );
1618                                 }
1620                                 // numeric x and y parameters for Expr.filter.CHILD
1621                                 // remember that false/true cast respectively to 0/1
1622                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1623                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1625                         // other types prohibit arguments
1626                         } else if ( match[3] ) {
1627                                 Sizzle.error( match[0] );
1628                         }
1630                         return match;
1631                 },
1633                 "PSEUDO": function( match ) {
1634                         var excess,
1635                                 unquoted = !match[6] && match[2];
1637                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1638                                 return null;
1639                         }
1641                         // Accept quoted arguments as-is
1642                         if ( match[3] ) {
1643                                 match[2] = match[4] || match[5] || "";
1645                         // Strip excess characters from unquoted arguments
1646                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1647                                 // Get excess from tokenize (recursively)
1648                                 (excess = tokenize( unquoted, true )) &&
1649                                 // advance to the next closing parenthesis
1650                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1652                                 // excess is a negative index
1653                                 match[0] = match[0].slice( 0, excess );
1654                                 match[2] = unquoted.slice( 0, excess );
1655                         }
1657                         // Return only captures needed by the pseudo filter method (type and argument)
1658                         return match.slice( 0, 3 );
1659                 }
1660         },
1662         filter: {
1664                 "TAG": function( nodeNameSelector ) {
1665                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1666                         return nodeNameSelector === "*" ?
1667                                 function() { return true; } :
1668                                 function( elem ) {
1669                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1670                                 };
1671                 },
1673                 "CLASS": function( className ) {
1674                         var pattern = classCache[ className + " " ];
1676                         return pattern ||
1677                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1678                                 classCache( className, function( elem ) {
1679                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1680                                 });
1681                 },
1683                 "ATTR": function( name, operator, check ) {
1684                         return function( elem ) {
1685                                 var result = Sizzle.attr( elem, name );
1687                                 if ( result == null ) {
1688                                         return operator === "!=";
1689                                 }
1690                                 if ( !operator ) {
1691                                         return true;
1692                                 }
1694                                 result += "";
1696                                 return operator === "=" ? result === check :
1697                                         operator === "!=" ? result !== check :
1698                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1699                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1700                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1701                                         operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1702                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1703                                         false;
1704                         };
1705                 },
1707                 "CHILD": function( type, what, argument, first, last ) {
1708                         var simple = type.slice( 0, 3 ) !== "nth",
1709                                 forward = type.slice( -4 ) !== "last",
1710                                 ofType = what === "of-type";
1712                         return first === 1 && last === 0 ?
1714                                 // Shortcut for :nth-*(n)
1715                                 function( elem ) {
1716                                         return !!elem.parentNode;
1717                                 } :
1719                                 function( elem, context, xml ) {
1720                                         var cache, outerCache, node, diff, nodeIndex, start,
1721                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1722                                                 parent = elem.parentNode,
1723                                                 name = ofType && elem.nodeName.toLowerCase(),
1724                                                 useCache = !xml && !ofType;
1726                                         if ( parent ) {
1728                                                 // :(first|last|only)-(child|of-type)
1729                                                 if ( simple ) {
1730                                                         while ( dir ) {
1731                                                                 node = elem;
1732                                                                 while ( (node = node[ dir ]) ) {
1733                                                                         if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
1734                                                                                 return false;
1735                                                                         }
1736                                                                 }
1737                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1738                                                                 start = dir = type === "only" && !start && "nextSibling";
1739                                                         }
1740                                                         return true;
1741                                                 }
1743                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1745                                                 // non-xml :nth-child(...) stores cache data on `parent`
1746                                                 if ( forward && useCache ) {
1747                                                         // Seek `elem` from a previously-cached index
1748                                                         outerCache = parent[ expando ] || (parent[ expando ] = {});
1749                                                         cache = outerCache[ type ] || [];
1750                                                         nodeIndex = cache[0] === dirruns && cache[1];
1751                                                         diff = cache[0] === dirruns && cache[2];
1752                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1754                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1756                                                                 // Fallback to seeking `elem` from the start
1757                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1759                                                                 // When found, cache indexes on `parent` and break
1760                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1761                                                                         outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1762                                                                         break;
1763                                                                 }
1764                                                         }
1766                                                 // Use previously-cached element index if available
1767                                                 } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
1768                                                         diff = cache[1];
1770                                                 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1771                                                 } else {
1772                                                         // Use the same loop as above to seek `elem` from the start
1773                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1774                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1776                                                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
1777                                                                         // Cache the index of each encountered element
1778                                                                         if ( useCache ) {
1779                                                                                 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
1780                                                                         }
1782                                                                         if ( node === elem ) {
1783                                                                                 break;
1784                                                                         }
1785                                                                 }
1786                                                         }
1787                                                 }
1789                                                 // Incorporate the offset, then check against cycle size
1790                                                 diff -= last;
1791                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1792                                         }
1793                                 };
1794                 },
1796                 "PSEUDO": function( pseudo, argument ) {
1797                         // pseudo-class names are case-insensitive
1798                         // http://www.w3.org/TR/selectors/#pseudo-classes
1799                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1800                         // Remember that setFilters inherits from pseudos
1801                         var args,
1802                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1803                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1805                         // The user may use createPseudo to indicate that
1806                         // arguments are needed to create the filter function
1807                         // just as Sizzle does
1808                         if ( fn[ expando ] ) {
1809                                 return fn( argument );
1810                         }
1812                         // But maintain support for old signatures
1813                         if ( fn.length > 1 ) {
1814                                 args = [ pseudo, pseudo, "", argument ];
1815                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1816                                         markFunction(function( seed, matches ) {
1817                                                 var idx,
1818                                                         matched = fn( seed, argument ),
1819                                                         i = matched.length;
1820                                                 while ( i-- ) {
1821                                                         idx = indexOf( seed, matched[i] );
1822                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1823                                                 }
1824                                         }) :
1825                                         function( elem ) {
1826                                                 return fn( elem, 0, args );
1827                                         };
1828                         }
1830                         return fn;
1831                 }
1832         },
1834         pseudos: {
1835                 // Potentially complex pseudos
1836                 "not": markFunction(function( selector ) {
1837                         // Trim the selector passed to compile
1838                         // to avoid treating leading and trailing
1839                         // spaces as combinators
1840                         var input = [],
1841                                 results = [],
1842                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1844                         return matcher[ expando ] ?
1845                                 markFunction(function( seed, matches, context, xml ) {
1846                                         var elem,
1847                                                 unmatched = matcher( seed, null, xml, [] ),
1848                                                 i = seed.length;
1850                                         // Match elements unmatched by `matcher`
1851                                         while ( i-- ) {
1852                                                 if ( (elem = unmatched[i]) ) {
1853                                                         seed[i] = !(matches[i] = elem);
1854                                                 }
1855                                         }
1856                                 }) :
1857                                 function( elem, context, xml ) {
1858                                         input[0] = elem;
1859                                         matcher( input, null, xml, results );
1860                                         // Don't keep the element (issue #299)
1861                                         input[0] = null;
1862                                         return !results.pop();
1863                                 };
1864                 }),
1866                 "has": markFunction(function( selector ) {
1867                         return function( elem ) {
1868                                 return Sizzle( selector, elem ).length > 0;
1869                         };
1870                 }),
1872                 "contains": markFunction(function( text ) {
1873                         text = text.replace( runescape, funescape );
1874                         return function( elem ) {
1875                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1876                         };
1877                 }),
1879                 // "Whether an element is represented by a :lang() selector
1880                 // is based solely on the element's language value
1881                 // being equal to the identifier C,
1882                 // or beginning with the identifier C immediately followed by "-".
1883                 // The matching of C against the element's language value is performed case-insensitively.
1884                 // The identifier C does not have to be a valid language name."
1885                 // http://www.w3.org/TR/selectors/#lang-pseudo
1886                 "lang": markFunction( function( lang ) {
1887                         // lang value must be a valid identifier
1888                         if ( !ridentifier.test(lang || "") ) {
1889                                 Sizzle.error( "unsupported lang: " + lang );
1890                         }
1891                         lang = lang.replace( runescape, funescape ).toLowerCase();
1892                         return function( elem ) {
1893                                 var elemLang;
1894                                 do {
1895                                         if ( (elemLang = documentIsHTML ?
1896                                                 elem.lang :
1897                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1899                                                 elemLang = elemLang.toLowerCase();
1900                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1901                                         }
1902                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1903                                 return false;
1904                         };
1905                 }),
1907                 // Miscellaneous
1908                 "target": function( elem ) {
1909                         var hash = window.location && window.location.hash;
1910                         return hash && hash.slice( 1 ) === elem.id;
1911                 },
1913                 "root": function( elem ) {
1914                         return elem === docElem;
1915                 },
1917                 "focus": function( elem ) {
1918                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1919                 },
1921                 // Boolean properties
1922                 "enabled": function( elem ) {
1923                         return elem.disabled === false;
1924                 },
1926                 "disabled": function( elem ) {
1927                         return elem.disabled === true;
1928                 },
1930                 "checked": function( elem ) {
1931                         // In CSS3, :checked should return both checked and selected elements
1932                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1933                         var nodeName = elem.nodeName.toLowerCase();
1934                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
1935                 },
1937                 "selected": function( elem ) {
1938                         // Accessing this property makes selected-by-default
1939                         // options in Safari work properly
1940                         if ( elem.parentNode ) {
1941                                 elem.parentNode.selectedIndex;
1942                         }
1944                         return elem.selected === true;
1945                 },
1947                 // Contents
1948                 "empty": function( elem ) {
1949                         // http://www.w3.org/TR/selectors/#empty-pseudo
1950                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1951                         //   but not by others (comment: 8; processing instruction: 7; etc.)
1952                         // nodeType < 6 works because attributes (2) do not appear as children
1953                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1954                                 if ( elem.nodeType < 6 ) {
1955                                         return false;
1956                                 }
1957                         }
1958                         return true;
1959                 },
1961                 "parent": function( elem ) {
1962                         return !Expr.pseudos["empty"]( elem );
1963                 },
1965                 // Element/input types
1966                 "header": function( elem ) {
1967                         return rheader.test( elem.nodeName );
1968                 },
1970                 "input": function( elem ) {
1971                         return rinputs.test( elem.nodeName );
1972                 },
1974                 "button": function( elem ) {
1975                         var name = elem.nodeName.toLowerCase();
1976                         return name === "input" && elem.type === "button" || name === "button";
1977                 },
1979                 "text": function( elem ) {
1980                         var attr;
1981                         return elem.nodeName.toLowerCase() === "input" &&
1982                                 elem.type === "text" &&
1984                                 // Support: IE<8
1985                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1986                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
1987                 },
1989                 // Position-in-collection
1990                 "first": createPositionalPseudo(function() {
1991                         return [ 0 ];
1992                 }),
1994                 "last": createPositionalPseudo(function( matchIndexes, length ) {
1995                         return [ length - 1 ];
1996                 }),
1998                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
1999                         return [ argument < 0 ? argument + length : argument ];
2000                 }),
2002                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2003                         var i = 0;
2004                         for ( ; i < length; i += 2 ) {
2005                                 matchIndexes.push( i );
2006                         }
2007                         return matchIndexes;
2008                 }),
2010                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2011                         var i = 1;
2012                         for ( ; i < length; i += 2 ) {
2013                                 matchIndexes.push( i );
2014                         }
2015                         return matchIndexes;
2016                 }),
2018                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2019                         var i = argument < 0 ? argument + length : argument;
2020                         for ( ; --i >= 0; ) {
2021                                 matchIndexes.push( i );
2022                         }
2023                         return matchIndexes;
2024                 }),
2026                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2027                         var i = argument < 0 ? argument + length : argument;
2028                         for ( ; ++i < length; ) {
2029                                 matchIndexes.push( i );
2030                         }
2031                         return matchIndexes;
2032                 })
2033         }
2036 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2038 // Add button/input type pseudos
2039 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2040         Expr.pseudos[ i ] = createInputPseudo( i );
2042 for ( i in { submit: true, reset: true } ) {
2043         Expr.pseudos[ i ] = createButtonPseudo( i );
2046 // Easy API for creating new setFilters
2047 function setFilters() {}
2048 setFilters.prototype = Expr.filters = Expr.pseudos;
2049 Expr.setFilters = new setFilters();
2051 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2052         var matched, match, tokens, type,
2053                 soFar, groups, preFilters,
2054                 cached = tokenCache[ selector + " " ];
2056         if ( cached ) {
2057                 return parseOnly ? 0 : cached.slice( 0 );
2058         }
2060         soFar = selector;
2061         groups = [];
2062         preFilters = Expr.preFilter;
2064         while ( soFar ) {
2066                 // Comma and first run
2067                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2068                         if ( match ) {
2069                                 // Don't consume trailing commas as valid
2070                                 soFar = soFar.slice( match[0].length ) || soFar;
2071                         }
2072                         groups.push( (tokens = []) );
2073                 }
2075                 matched = false;
2077                 // Combinators
2078                 if ( (match = rcombinators.exec( soFar )) ) {
2079                         matched = match.shift();
2080                         tokens.push({
2081                                 value: matched,
2082                                 // Cast descendant combinators to space
2083                                 type: match[0].replace( rtrim, " " )
2084                         });
2085                         soFar = soFar.slice( matched.length );
2086                 }
2088                 // Filters
2089                 for ( type in Expr.filter ) {
2090                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2091                                 (match = preFilters[ type ]( match ))) ) {
2092                                 matched = match.shift();
2093                                 tokens.push({
2094                                         value: matched,
2095                                         type: type,
2096                                         matches: match
2097                                 });
2098                                 soFar = soFar.slice( matched.length );
2099                         }
2100                 }
2102                 if ( !matched ) {
2103                         break;
2104                 }
2105         }
2107         // Return the length of the invalid excess
2108         // if we're just parsing
2109         // Otherwise, throw an error or return tokens
2110         return parseOnly ?
2111                 soFar.length :
2112                 soFar ?
2113                         Sizzle.error( selector ) :
2114                         // Cache the tokens
2115                         tokenCache( selector, groups ).slice( 0 );
2118 function toSelector( tokens ) {
2119         var i = 0,
2120                 len = tokens.length,
2121                 selector = "";
2122         for ( ; i < len; i++ ) {
2123                 selector += tokens[i].value;
2124         }
2125         return selector;
2128 function addCombinator( matcher, combinator, base ) {
2129         var dir = combinator.dir,
2130                 checkNonElements = base && dir === "parentNode",
2131                 doneName = done++;
2133         return combinator.first ?
2134                 // Check against closest ancestor/preceding element
2135                 function( elem, context, xml ) {
2136                         while ( (elem = elem[ dir ]) ) {
2137                                 if ( elem.nodeType === 1 || checkNonElements ) {
2138                                         return matcher( elem, context, xml );
2139                                 }
2140                         }
2141                 } :
2143                 // Check against all ancestor/preceding elements
2144                 function( elem, context, xml ) {
2145                         var oldCache, outerCache,
2146                                 newCache = [ dirruns, doneName ];
2148                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2149                         if ( xml ) {
2150                                 while ( (elem = elem[ dir ]) ) {
2151                                         if ( elem.nodeType === 1 || checkNonElements ) {
2152                                                 if ( matcher( elem, context, xml ) ) {
2153                                                         return true;
2154                                                 }
2155                                         }
2156                                 }
2157                         } else {
2158                                 while ( (elem = elem[ dir ]) ) {
2159                                         if ( elem.nodeType === 1 || checkNonElements ) {
2160                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2161                                                 if ( (oldCache = outerCache[ dir ]) &&
2162                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2164                                                         // Assign to newCache so results back-propagate to previous elements
2165                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2166                                                 } else {
2167                                                         // Reuse newcache so results back-propagate to previous elements
2168                                                         outerCache[ dir ] = newCache;
2170                                                         // A match means we're done; a fail means we have to keep checking
2171                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2172                                                                 return true;
2173                                                         }
2174                                                 }
2175                                         }
2176                                 }
2177                         }
2178                 };
2181 function elementMatcher( matchers ) {
2182         return matchers.length > 1 ?
2183                 function( elem, context, xml ) {
2184                         var i = matchers.length;
2185                         while ( i-- ) {
2186                                 if ( !matchers[i]( elem, context, xml ) ) {
2187                                         return false;
2188                                 }
2189                         }
2190                         return true;
2191                 } :
2192                 matchers[0];
2195 function multipleContexts( selector, contexts, results ) {
2196         var i = 0,
2197                 len = contexts.length;
2198         for ( ; i < len; i++ ) {
2199                 Sizzle( selector, contexts[i], results );
2200         }
2201         return results;
2204 function condense( unmatched, map, filter, context, xml ) {
2205         var elem,
2206                 newUnmatched = [],
2207                 i = 0,
2208                 len = unmatched.length,
2209                 mapped = map != null;
2211         for ( ; i < len; i++ ) {
2212                 if ( (elem = unmatched[i]) ) {
2213                         if ( !filter || filter( elem, context, xml ) ) {
2214                                 newUnmatched.push( elem );
2215                                 if ( mapped ) {
2216                                         map.push( i );
2217                                 }
2218                         }
2219                 }
2220         }
2222         return newUnmatched;
2225 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2226         if ( postFilter && !postFilter[ expando ] ) {
2227                 postFilter = setMatcher( postFilter );
2228         }
2229         if ( postFinder && !postFinder[ expando ] ) {
2230                 postFinder = setMatcher( postFinder, postSelector );
2231         }
2232         return markFunction(function( seed, results, context, xml ) {
2233                 var temp, i, elem,
2234                         preMap = [],
2235                         postMap = [],
2236                         preexisting = results.length,
2238                         // Get initial elements from seed or context
2239                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2241                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2242                         matcherIn = preFilter && ( seed || !selector ) ?
2243                                 condense( elems, preMap, preFilter, context, xml ) :
2244                                 elems,
2246                         matcherOut = matcher ?
2247                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2248                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2250                                         // ...intermediate processing is necessary
2251                                         [] :
2253                                         // ...otherwise use results directly
2254                                         results :
2255                                 matcherIn;
2257                 // Find primary matches
2258                 if ( matcher ) {
2259                         matcher( matcherIn, matcherOut, context, xml );
2260                 }
2262                 // Apply postFilter
2263                 if ( postFilter ) {
2264                         temp = condense( matcherOut, postMap );
2265                         postFilter( temp, [], context, xml );
2267                         // Un-match failing elements by moving them back to matcherIn
2268                         i = temp.length;
2269                         while ( i-- ) {
2270                                 if ( (elem = temp[i]) ) {
2271                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2272                                 }
2273                         }
2274                 }
2276                 if ( seed ) {
2277                         if ( postFinder || preFilter ) {
2278                                 if ( postFinder ) {
2279                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2280                                         temp = [];
2281                                         i = matcherOut.length;
2282                                         while ( i-- ) {
2283                                                 if ( (elem = matcherOut[i]) ) {
2284                                                         // Restore matcherIn since elem is not yet a final match
2285                                                         temp.push( (matcherIn[i] = elem) );
2286                                                 }
2287                                         }
2288                                         postFinder( null, (matcherOut = []), temp, xml );
2289                                 }
2291                                 // Move matched elements from seed to results to keep them synchronized
2292                                 i = matcherOut.length;
2293                                 while ( i-- ) {
2294                                         if ( (elem = matcherOut[i]) &&
2295                                                 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2297                                                 seed[temp] = !(results[temp] = elem);
2298                                         }
2299                                 }
2300                         }
2302                 // Add elements to results, through postFinder if defined
2303                 } else {
2304                         matcherOut = condense(
2305                                 matcherOut === results ?
2306                                         matcherOut.splice( preexisting, matcherOut.length ) :
2307                                         matcherOut
2308                         );
2309                         if ( postFinder ) {
2310                                 postFinder( null, results, matcherOut, xml );
2311                         } else {
2312                                 push.apply( results, matcherOut );
2313                         }
2314                 }
2315         });
2318 function matcherFromTokens( tokens ) {
2319         var checkContext, matcher, j,
2320                 len = tokens.length,
2321                 leadingRelative = Expr.relative[ tokens[0].type ],
2322                 implicitRelative = leadingRelative || Expr.relative[" "],
2323                 i = leadingRelative ? 1 : 0,
2325                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2326                 matchContext = addCombinator( function( elem ) {
2327                         return elem === checkContext;
2328                 }, implicitRelative, true ),
2329                 matchAnyContext = addCombinator( function( elem ) {
2330                         return indexOf( checkContext, elem ) > -1;
2331                 }, implicitRelative, true ),
2332                 matchers = [ function( elem, context, xml ) {
2333                         var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2334                                 (checkContext = context).nodeType ?
2335                                         matchContext( elem, context, xml ) :
2336                                         matchAnyContext( elem, context, xml ) );
2337                         // Avoid hanging onto element (issue #299)
2338                         checkContext = null;
2339                         return ret;
2340                 } ];
2342         for ( ; i < len; i++ ) {
2343                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2344                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2345                 } else {
2346                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2348                         // Return special upon seeing a positional matcher
2349                         if ( matcher[ expando ] ) {
2350                                 // Find the next relative operator (if any) for proper handling
2351                                 j = ++i;
2352                                 for ( ; j < len; j++ ) {
2353                                         if ( Expr.relative[ tokens[j].type ] ) {
2354                                                 break;
2355                                         }
2356                                 }
2357                                 return setMatcher(
2358                                         i > 1 && elementMatcher( matchers ),
2359                                         i > 1 && toSelector(
2360                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2361                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2362                                         ).replace( rtrim, "$1" ),
2363                                         matcher,
2364                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2365                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2366                                         j < len && toSelector( tokens )
2367                                 );
2368                         }
2369                         matchers.push( matcher );
2370                 }
2371         }
2373         return elementMatcher( matchers );
2376 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2377         var bySet = setMatchers.length > 0,
2378                 byElement = elementMatchers.length > 0,
2379                 superMatcher = function( seed, context, xml, results, outermost ) {
2380                         var elem, j, matcher,
2381                                 matchedCount = 0,
2382                                 i = "0",
2383                                 unmatched = seed && [],
2384                                 setMatched = [],
2385                                 contextBackup = outermostContext,
2386                                 // We must always have either seed elements or outermost context
2387                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2388                                 // Use integer dirruns iff this is the outermost matcher
2389                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2390                                 len = elems.length;
2392                         if ( outermost ) {
2393                                 outermostContext = context !== document && context;
2394                         }
2396                         // Add elements passing elementMatchers directly to results
2397                         // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2398                         // Support: IE<9, Safari
2399                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2400                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2401                                 if ( byElement && elem ) {
2402                                         j = 0;
2403                                         while ( (matcher = elementMatchers[j++]) ) {
2404                                                 if ( matcher( elem, context, xml ) ) {
2405                                                         results.push( elem );
2406                                                         break;
2407                                                 }
2408                                         }
2409                                         if ( outermost ) {
2410                                                 dirruns = dirrunsUnique;
2411                                         }
2412                                 }
2414                                 // Track unmatched elements for set filters
2415                                 if ( bySet ) {
2416                                         // They will have gone through all possible matchers
2417                                         if ( (elem = !matcher && elem) ) {
2418                                                 matchedCount--;
2419                                         }
2421                                         // Lengthen the array for every element, matched or not
2422                                         if ( seed ) {
2423                                                 unmatched.push( elem );
2424                                         }
2425                                 }
2426                         }
2428                         // Apply set filters to unmatched elements
2429                         matchedCount += i;
2430                         if ( bySet && i !== matchedCount ) {
2431                                 j = 0;
2432                                 while ( (matcher = setMatchers[j++]) ) {
2433                                         matcher( unmatched, setMatched, context, xml );
2434                                 }
2436                                 if ( seed ) {
2437                                         // Reintegrate element matches to eliminate the need for sorting
2438                                         if ( matchedCount > 0 ) {
2439                                                 while ( i-- ) {
2440                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2441                                                                 setMatched[i] = pop.call( results );
2442                                                         }
2443                                                 }
2444                                         }
2446                                         // Discard index placeholder values to get only actual matches
2447                                         setMatched = condense( setMatched );
2448                                 }
2450                                 // Add matches to results
2451                                 push.apply( results, setMatched );
2453                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2454                                 if ( outermost && !seed && setMatched.length > 0 &&
2455                                         ( matchedCount + setMatchers.length ) > 1 ) {
2457                                         Sizzle.uniqueSort( results );
2458                                 }
2459                         }
2461                         // Override manipulation of globals by nested matchers
2462                         if ( outermost ) {
2463                                 dirruns = dirrunsUnique;
2464                                 outermostContext = contextBackup;
2465                         }
2467                         return unmatched;
2468                 };
2470         return bySet ?
2471                 markFunction( superMatcher ) :
2472                 superMatcher;
2475 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2476         var i,
2477                 setMatchers = [],
2478                 elementMatchers = [],
2479                 cached = compilerCache[ selector + " " ];
2481         if ( !cached ) {
2482                 // Generate a function of recursive functions that can be used to check each element
2483                 if ( !match ) {
2484                         match = tokenize( selector );
2485                 }
2486                 i = match.length;
2487                 while ( i-- ) {
2488                         cached = matcherFromTokens( match[i] );
2489                         if ( cached[ expando ] ) {
2490                                 setMatchers.push( cached );
2491                         } else {
2492                                 elementMatchers.push( cached );
2493                         }
2494                 }
2496                 // Cache the compiled function
2497                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2499                 // Save selector and tokenization
2500                 cached.selector = selector;
2501         }
2502         return cached;
2506  * A low-level selection function that works with Sizzle's compiled
2507  *  selector functions
2508  * @param {String|Function} selector A selector or a pre-compiled
2509  *  selector function built with Sizzle.compile
2510  * @param {Element} context
2511  * @param {Array} [results]
2512  * @param {Array} [seed] A set of elements to match against
2513  */
2514 select = Sizzle.select = function( selector, context, results, seed ) {
2515         var i, tokens, token, type, find,
2516                 compiled = typeof selector === "function" && selector,
2517                 match = !seed && tokenize( (selector = compiled.selector || selector) );
2519         results = results || [];
2521         // Try to minimize operations if there is no seed and only one group
2522         if ( match.length === 1 ) {
2524                 // Take a shortcut and set the context if the root selector is an ID
2525                 tokens = match[0] = match[0].slice( 0 );
2526                 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2527                                 support.getById && context.nodeType === 9 && documentIsHTML &&
2528                                 Expr.relative[ tokens[1].type ] ) {
2530                         context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2531                         if ( !context ) {
2532                                 return results;
2534                         // Precompiled matchers will still verify ancestry, so step up a level
2535                         } else if ( compiled ) {
2536                                 context = context.parentNode;
2537                         }
2539                         selector = selector.slice( tokens.shift().value.length );
2540                 }
2542                 // Fetch a seed set for right-to-left matching
2543                 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2544                 while ( i-- ) {
2545                         token = tokens[i];
2547                         // Abort if we hit a combinator
2548                         if ( Expr.relative[ (type = token.type) ] ) {
2549                                 break;
2550                         }
2551                         if ( (find = Expr.find[ type ]) ) {
2552                                 // Search, expanding context for leading sibling combinators
2553                                 if ( (seed = find(
2554                                         token.matches[0].replace( runescape, funescape ),
2555                                         rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2556                                 )) ) {
2558                                         // If seed is empty or no tokens remain, we can return early
2559                                         tokens.splice( i, 1 );
2560                                         selector = seed.length && toSelector( tokens );
2561                                         if ( !selector ) {
2562                                                 push.apply( results, seed );
2563                                                 return results;
2564                                         }
2566                                         break;
2567                                 }
2568                         }
2569                 }
2570         }
2572         // Compile and execute a filtering function if one is not provided
2573         // Provide `match` to avoid retokenization if we modified the selector above
2574         ( compiled || compile( selector, match ) )(
2575                 seed,
2576                 context,
2577                 !documentIsHTML,
2578                 results,
2579                 rsibling.test( selector ) && testContext( context.parentNode ) || context
2580         );
2581         return results;
2584 // One-time assignments
2586 // Sort stability
2587 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2589 // Support: Chrome 14-35+
2590 // Always assume duplicates if they aren't passed to the comparison function
2591 support.detectDuplicates = !!hasDuplicate;
2593 // Initialize against the default document
2594 setDocument();
2596 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2597 // Detached nodes confoundingly follow *each other*
2598 support.sortDetached = assert(function( div1 ) {
2599         // Should return 1, but returns 4 (following)
2600         return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2603 // Support: IE<8
2604 // Prevent attribute/property "interpolation"
2605 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2606 if ( !assert(function( div ) {
2607         div.innerHTML = "<a href='#'></a>";
2608         return div.firstChild.getAttribute("href") === "#" ;
2609 }) ) {
2610         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2611                 if ( !isXML ) {
2612                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2613                 }
2614         });
2617 // Support: IE<9
2618 // Use defaultValue in place of getAttribute("value")
2619 if ( !support.attributes || !assert(function( div ) {
2620         div.innerHTML = "<input/>";
2621         div.firstChild.setAttribute( "value", "" );
2622         return div.firstChild.getAttribute( "value" ) === "";
2623 }) ) {
2624         addHandle( "value", function( elem, name, isXML ) {
2625                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2626                         return elem.defaultValue;
2627                 }
2628         });
2631 // Support: IE<9
2632 // Use getAttributeNode to fetch booleans when getAttribute lies
2633 if ( !assert(function( div ) {
2634         return div.getAttribute("disabled") == null;
2635 }) ) {
2636         addHandle( booleans, function( elem, name, isXML ) {
2637                 var val;
2638                 if ( !isXML ) {
2639                         return elem[ name ] === true ? name.toLowerCase() :
2640                                         (val = elem.getAttributeNode( name )) && val.specified ?
2641                                         val.value :
2642                                 null;
2643                 }
2644         });
2647 return Sizzle;
2649 })( window );
2653 jQuery.find = Sizzle;
2654 jQuery.expr = Sizzle.selectors;
2655 jQuery.expr[":"] = jQuery.expr.pseudos;
2656 jQuery.unique = Sizzle.uniqueSort;
2657 jQuery.text = Sizzle.getText;
2658 jQuery.isXMLDoc = Sizzle.isXML;
2659 jQuery.contains = Sizzle.contains;
2663 var rneedsContext = jQuery.expr.match.needsContext;
2665 var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
2669 var risSimple = /^.[^:#\[\.,]*$/;
2671 // Implement the identical functionality for filter and not
2672 function winnow( elements, qualifier, not ) {
2673         if ( jQuery.isFunction( qualifier ) ) {
2674                 return jQuery.grep( elements, function( elem, i ) {
2675                         /* jshint -W018 */
2676                         return !!qualifier.call( elem, i, elem ) !== not;
2677                 });
2679         }
2681         if ( qualifier.nodeType ) {
2682                 return jQuery.grep( elements, function( elem ) {
2683                         return ( elem === qualifier ) !== not;
2684                 });
2686         }
2688         if ( typeof qualifier === "string" ) {
2689                 if ( risSimple.test( qualifier ) ) {
2690                         return jQuery.filter( qualifier, elements, not );
2691                 }
2693                 qualifier = jQuery.filter( qualifier, elements );
2694         }
2696         return jQuery.grep( elements, function( elem ) {
2697                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
2698         });
2701 jQuery.filter = function( expr, elems, not ) {
2702         var elem = elems[ 0 ];
2704         if ( not ) {
2705                 expr = ":not(" + expr + ")";
2706         }
2708         return elems.length === 1 && elem.nodeType === 1 ?
2709                 jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2710                 jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2711                         return elem.nodeType === 1;
2712                 }));
2715 jQuery.fn.extend({
2716         find: function( selector ) {
2717                 var i,
2718                         ret = [],
2719                         self = this,
2720                         len = self.length;
2722                 if ( typeof selector !== "string" ) {
2723                         return this.pushStack( jQuery( selector ).filter(function() {
2724                                 for ( i = 0; i < len; i++ ) {
2725                                         if ( jQuery.contains( self[ i ], this ) ) {
2726                                                 return true;
2727                                         }
2728                                 }
2729                         }) );
2730                 }
2732                 for ( i = 0; i < len; i++ ) {
2733                         jQuery.find( selector, self[ i ], ret );
2734                 }
2736                 // Needed because $( selector, context ) becomes $( context ).find( selector )
2737                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
2738                 ret.selector = this.selector ? this.selector + " " + selector : selector;
2739                 return ret;
2740         },
2741         filter: function( selector ) {
2742                 return this.pushStack( winnow(this, selector || [], false) );
2743         },
2744         not: function( selector ) {
2745                 return this.pushStack( winnow(this, selector || [], true) );
2746         },
2747         is: function( selector ) {
2748                 return !!winnow(
2749                         this,
2751                         // If this is a positional/relative selector, check membership in the returned set
2752                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2753                         typeof selector === "string" && rneedsContext.test( selector ) ?
2754                                 jQuery( selector ) :
2755                                 selector || [],
2756                         false
2757                 ).length;
2758         }
2762 // Initialize a jQuery object
2765 // A central reference to the root jQuery(document)
2766 var rootjQuery,
2768         // Use the correct document accordingly with window argument (sandbox)
2769         document = window.document,
2771         // A simple way to check for HTML strings
2772         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2773         // Strict HTML recognition (#11290: must start with <)
2774         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
2776         init = jQuery.fn.init = function( selector, context ) {
2777                 var match, elem;
2779                 // HANDLE: $(""), $(null), $(undefined), $(false)
2780                 if ( !selector ) {
2781                         return this;
2782                 }
2784                 // Handle HTML strings
2785                 if ( typeof selector === "string" ) {
2786                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
2787                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2788                                 match = [ null, selector, null ];
2790                         } else {
2791                                 match = rquickExpr.exec( selector );
2792                         }
2794                         // Match html or make sure no context is specified for #id
2795                         if ( match && (match[1] || !context) ) {
2797                                 // HANDLE: $(html) -> $(array)
2798                                 if ( match[1] ) {
2799                                         context = context instanceof jQuery ? context[0] : context;
2801                                         // scripts is true for back-compat
2802                                         // Intentionally let the error be thrown if parseHTML is not present
2803                                         jQuery.merge( this, jQuery.parseHTML(
2804                                                 match[1],
2805                                                 context && context.nodeType ? context.ownerDocument || context : document,
2806                                                 true
2807                                         ) );
2809                                         // HANDLE: $(html, props)
2810                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
2811                                                 for ( match in context ) {
2812                                                         // Properties of context are called as methods if possible
2813                                                         if ( jQuery.isFunction( this[ match ] ) ) {
2814                                                                 this[ match ]( context[ match ] );
2816                                                         // ...and otherwise set as attributes
2817                                                         } else {
2818                                                                 this.attr( match, context[ match ] );
2819                                                         }
2820                                                 }
2821                                         }
2823                                         return this;
2825                                 // HANDLE: $(#id)
2826                                 } else {
2827                                         elem = document.getElementById( match[2] );
2829                                         // Check parentNode to catch when Blackberry 4.6 returns
2830                                         // nodes that are no longer in the document #6963
2831                                         if ( elem && elem.parentNode ) {
2832                                                 // Handle the case where IE and Opera return items
2833                                                 // by name instead of ID
2834                                                 if ( elem.id !== match[2] ) {
2835                                                         return rootjQuery.find( selector );
2836                                                 }
2838                                                 // Otherwise, we inject the element directly into the jQuery object
2839                                                 this.length = 1;
2840                                                 this[0] = elem;
2841                                         }
2843                                         this.context = document;
2844                                         this.selector = selector;
2845                                         return this;
2846                                 }
2848                         // HANDLE: $(expr, $(...))
2849                         } else if ( !context || context.jquery ) {
2850                                 return ( context || rootjQuery ).find( selector );
2852                         // HANDLE: $(expr, context)
2853                         // (which is just equivalent to: $(context).find(expr)
2854                         } else {
2855                                 return this.constructor( context ).find( selector );
2856                         }
2858                 // HANDLE: $(DOMElement)
2859                 } else if ( selector.nodeType ) {
2860                         this.context = this[0] = selector;
2861                         this.length = 1;
2862                         return this;
2864                 // HANDLE: $(function)
2865                 // Shortcut for document ready
2866                 } else if ( jQuery.isFunction( selector ) ) {
2867                         return typeof rootjQuery.ready !== "undefined" ?
2868                                 rootjQuery.ready( selector ) :
2869                                 // Execute immediately if ready is not present
2870                                 selector( jQuery );
2871                 }
2873                 if ( selector.selector !== undefined ) {
2874                         this.selector = selector.selector;
2875                         this.context = selector.context;
2876                 }
2878                 return jQuery.makeArray( selector, this );
2879         };
2881 // Give the init function the jQuery prototype for later instantiation
2882 init.prototype = jQuery.fn;
2884 // Initialize central reference
2885 rootjQuery = jQuery( document );
2888 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2889         // methods guaranteed to produce a unique set when starting from a unique set
2890         guaranteedUnique = {
2891                 children: true,
2892                 contents: true,
2893                 next: true,
2894                 prev: true
2895         };
2897 jQuery.extend({
2898         dir: function( elem, dir, until ) {
2899                 var matched = [],
2900                         cur = elem[ dir ];
2902                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
2903                         if ( cur.nodeType === 1 ) {
2904                                 matched.push( cur );
2905                         }
2906                         cur = cur[dir];
2907                 }
2908                 return matched;
2909         },
2911         sibling: function( n, elem ) {
2912                 var r = [];
2914                 for ( ; n; n = n.nextSibling ) {
2915                         if ( n.nodeType === 1 && n !== elem ) {
2916                                 r.push( n );
2917                         }
2918                 }
2920                 return r;
2921         }
2924 jQuery.fn.extend({
2925         has: function( target ) {
2926                 var i,
2927                         targets = jQuery( target, this ),
2928                         len = targets.length;
2930                 return this.filter(function() {
2931                         for ( i = 0; i < len; i++ ) {
2932                                 if ( jQuery.contains( this, targets[i] ) ) {
2933                                         return true;
2934                                 }
2935                         }
2936                 });
2937         },
2939         closest: function( selectors, context ) {
2940                 var cur,
2941                         i = 0,
2942                         l = this.length,
2943                         matched = [],
2944                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
2945                                 jQuery( selectors, context || this.context ) :
2946                                 0;
2948                 for ( ; i < l; i++ ) {
2949                         for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
2950                                 // Always skip document fragments
2951                                 if ( cur.nodeType < 11 && (pos ?
2952                                         pos.index(cur) > -1 :
2954                                         // Don't pass non-elements to Sizzle
2955                                         cur.nodeType === 1 &&
2956                                                 jQuery.find.matchesSelector(cur, selectors)) ) {
2958                                         matched.push( cur );
2959                                         break;
2960                                 }
2961                         }
2962                 }
2964                 return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
2965         },
2967         // Determine the position of an element within
2968         // the matched set of elements
2969         index: function( elem ) {
2971                 // No argument, return index in parent
2972                 if ( !elem ) {
2973                         return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
2974                 }
2976                 // index in selector
2977                 if ( typeof elem === "string" ) {
2978                         return jQuery.inArray( this[0], jQuery( elem ) );
2979                 }
2981                 // Locate the position of the desired element
2982                 return jQuery.inArray(
2983                         // If it receives a jQuery object, the first element is used
2984                         elem.jquery ? elem[0] : elem, this );
2985         },
2987         add: function( selector, context ) {
2988                 return this.pushStack(
2989                         jQuery.unique(
2990                                 jQuery.merge( this.get(), jQuery( selector, context ) )
2991                         )
2992                 );
2993         },
2995         addBack: function( selector ) {
2996                 return this.add( selector == null ?
2997                         this.prevObject : this.prevObject.filter(selector)
2998                 );
2999         }
3002 function sibling( cur, dir ) {
3003         do {
3004                 cur = cur[ dir ];
3005         } while ( cur && cur.nodeType !== 1 );
3007         return cur;
3010 jQuery.each({
3011         parent: function( elem ) {
3012                 var parent = elem.parentNode;
3013                 return parent && parent.nodeType !== 11 ? parent : null;
3014         },
3015         parents: function( elem ) {
3016                 return jQuery.dir( elem, "parentNode" );
3017         },
3018         parentsUntil: function( elem, i, until ) {
3019                 return jQuery.dir( elem, "parentNode", until );
3020         },
3021         next: function( elem ) {
3022                 return sibling( elem, "nextSibling" );
3023         },
3024         prev: function( elem ) {
3025                 return sibling( elem, "previousSibling" );
3026         },
3027         nextAll: function( elem ) {
3028                 return jQuery.dir( elem, "nextSibling" );
3029         },
3030         prevAll: function( elem ) {
3031                 return jQuery.dir( elem, "previousSibling" );
3032         },
3033         nextUntil: function( elem, i, until ) {
3034                 return jQuery.dir( elem, "nextSibling", until );
3035         },
3036         prevUntil: function( elem, i, until ) {
3037                 return jQuery.dir( elem, "previousSibling", until );
3038         },
3039         siblings: function( elem ) {
3040                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
3041         },
3042         children: function( elem ) {
3043                 return jQuery.sibling( elem.firstChild );
3044         },
3045         contents: function( elem ) {
3046                 return jQuery.nodeName( elem, "iframe" ) ?
3047                         elem.contentDocument || elem.contentWindow.document :
3048                         jQuery.merge( [], elem.childNodes );
3049         }
3050 }, function( name, fn ) {
3051         jQuery.fn[ name ] = function( until, selector ) {
3052                 var ret = jQuery.map( this, fn, until );
3054                 if ( name.slice( -5 ) !== "Until" ) {
3055                         selector = until;
3056                 }
3058                 if ( selector && typeof selector === "string" ) {
3059                         ret = jQuery.filter( selector, ret );
3060                 }
3062                 if ( this.length > 1 ) {
3063                         // Remove duplicates
3064                         if ( !guaranteedUnique[ name ] ) {
3065                                 ret = jQuery.unique( ret );
3066                         }
3068                         // Reverse order for parents* and prev-derivatives
3069                         if ( rparentsprev.test( name ) ) {
3070                                 ret = ret.reverse();
3071                         }
3072                 }
3074                 return this.pushStack( ret );
3075         };
3077 var rnotwhite = (/\S+/g);
3081 // String to Object options format cache
3082 var optionsCache = {};
3084 // Convert String-formatted options into Object-formatted ones and store in cache
3085 function createOptions( options ) {
3086         var object = optionsCache[ options ] = {};
3087         jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3088                 object[ flag ] = true;
3089         });
3090         return object;
3094  * Create a callback list using the following parameters:
3096  *      options: an optional list of space-separated options that will change how
3097  *                      the callback list behaves or a more traditional option object
3099  * By default a callback list will act like an event callback list and can be
3100  * "fired" multiple times.
3102  * Possible options:
3104  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3106  *      memory:                 will keep track of previous values and will call any callback added
3107  *                                      after the list has been fired right away with the latest "memorized"
3108  *                                      values (like a Deferred)
3110  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3112  *      stopOnFalse:    interrupt callings when a callback returns false
3114  */
3115 jQuery.Callbacks = function( options ) {
3117         // Convert options from String-formatted to Object-formatted if needed
3118         // (we check in cache first)
3119         options = typeof options === "string" ?
3120                 ( optionsCache[ options ] || createOptions( options ) ) :
3121                 jQuery.extend( {}, options );
3123         var // Flag to know if list is currently firing
3124                 firing,
3125                 // Last fire value (for non-forgettable lists)
3126                 memory,
3127                 // Flag to know if list was already fired
3128                 fired,
3129                 // End of the loop when firing
3130                 firingLength,
3131                 // Index of currently firing callback (modified by remove if needed)
3132                 firingIndex,
3133                 // First callback to fire (used internally by add and fireWith)
3134                 firingStart,
3135                 // Actual callback list
3136                 list = [],
3137                 // Stack of fire calls for repeatable lists
3138                 stack = !options.once && [],
3139                 // Fire callbacks
3140                 fire = function( data ) {
3141                         memory = options.memory && data;
3142                         fired = true;
3143                         firingIndex = firingStart || 0;
3144                         firingStart = 0;
3145                         firingLength = list.length;
3146                         firing = true;
3147                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3148                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3149                                         memory = false; // To prevent further calls using add
3150                                         break;
3151                                 }
3152                         }
3153                         firing = false;
3154                         if ( list ) {
3155                                 if ( stack ) {
3156                                         if ( stack.length ) {
3157                                                 fire( stack.shift() );
3158                                         }
3159                                 } else if ( memory ) {
3160                                         list = [];
3161                                 } else {
3162                                         self.disable();
3163                                 }
3164                         }
3165                 },
3166                 // Actual Callbacks object
3167                 self = {
3168                         // Add a callback or a collection of callbacks to the list
3169                         add: function() {
3170                                 if ( list ) {
3171                                         // First, we save the current length
3172                                         var start = list.length;
3173                                         (function add( args ) {
3174                                                 jQuery.each( args, function( _, arg ) {
3175                                                         var type = jQuery.type( arg );
3176                                                         if ( type === "function" ) {
3177                                                                 if ( !options.unique || !self.has( arg ) ) {
3178                                                                         list.push( arg );
3179                                                                 }
3180                                                         } else if ( arg && arg.length && type !== "string" ) {
3181                                                                 // Inspect recursively
3182                                                                 add( arg );
3183                                                         }
3184                                                 });
3185                                         })( arguments );
3186                                         // Do we need to add the callbacks to the
3187                                         // current firing batch?
3188                                         if ( firing ) {
3189                                                 firingLength = list.length;
3190                                         // With memory, if we're not firing then
3191                                         // we should call right away
3192                                         } else if ( memory ) {
3193                                                 firingStart = start;
3194                                                 fire( memory );
3195                                         }
3196                                 }
3197                                 return this;
3198                         },
3199                         // Remove a callback from the list
3200                         remove: function() {
3201                                 if ( list ) {
3202                                         jQuery.each( arguments, function( _, arg ) {
3203                                                 var index;
3204                                                 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3205                                                         list.splice( index, 1 );
3206                                                         // Handle firing indexes
3207                                                         if ( firing ) {
3208                                                                 if ( index <= firingLength ) {
3209                                                                         firingLength--;
3210                                                                 }
3211                                                                 if ( index <= firingIndex ) {
3212                                                                         firingIndex--;
3213                                                                 }
3214                                                         }
3215                                                 }
3216                                         });
3217                                 }
3218                                 return this;
3219                         },
3220                         // Check if a given callback is in the list.
3221                         // If no argument is given, return whether or not list has callbacks attached.
3222                         has: function( fn ) {
3223                                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3224                         },
3225                         // Remove all callbacks from the list
3226                         empty: function() {
3227                                 list = [];
3228                                 firingLength = 0;
3229                                 return this;
3230                         },
3231                         // Have the list do nothing anymore
3232                         disable: function() {
3233                                 list = stack = memory = undefined;
3234                                 return this;
3235                         },
3236                         // Is it disabled?
3237                         disabled: function() {
3238                                 return !list;
3239                         },
3240                         // Lock the list in its current state
3241                         lock: function() {
3242                                 stack = undefined;
3243                                 if ( !memory ) {
3244                                         self.disable();
3245                                 }
3246                                 return this;
3247                         },
3248                         // Is it locked?
3249                         locked: function() {
3250                                 return !stack;
3251                         },
3252                         // Call all callbacks with the given context and arguments
3253                         fireWith: function( context, args ) {
3254                                 if ( list && ( !fired || stack ) ) {
3255                                         args = args || [];
3256                                         args = [ context, args.slice ? args.slice() : args ];
3257                                         if ( firing ) {
3258                                                 stack.push( args );
3259                                         } else {
3260                                                 fire( args );
3261                                         }
3262                                 }
3263                                 return this;
3264                         },
3265                         // Call all the callbacks with the given arguments
3266                         fire: function() {
3267                                 self.fireWith( this, arguments );
3268                                 return this;
3269                         },
3270                         // To know if the callbacks have already been called at least once
3271                         fired: function() {
3272                                 return !!fired;
3273                         }
3274                 };
3276         return self;
3280 jQuery.extend({
3282         Deferred: function( func ) {
3283                 var tuples = [
3284                                 // action, add listener, listener list, final state
3285                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3286                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3287                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3288                         ],
3289                         state = "pending",
3290                         promise = {
3291                                 state: function() {
3292                                         return state;
3293                                 },
3294                                 always: function() {
3295                                         deferred.done( arguments ).fail( arguments );
3296                                         return this;
3297                                 },
3298                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3299                                         var fns = arguments;
3300                                         return jQuery.Deferred(function( newDefer ) {
3301                                                 jQuery.each( tuples, function( i, tuple ) {
3302                                                         var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3303                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
3304                                                         deferred[ tuple[1] ](function() {
3305                                                                 var returned = fn && fn.apply( this, arguments );
3306                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3307                                                                         returned.promise()
3308                                                                                 .done( newDefer.resolve )
3309                                                                                 .fail( newDefer.reject )
3310                                                                                 .progress( newDefer.notify );
3311                                                                 } else {
3312                                                                         newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3313                                                                 }
3314                                                         });
3315                                                 });
3316                                                 fns = null;
3317                                         }).promise();
3318                                 },
3319                                 // Get a promise for this deferred
3320                                 // If obj is provided, the promise aspect is added to the object
3321                                 promise: function( obj ) {
3322                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3323                                 }
3324                         },
3325                         deferred = {};
3327                 // Keep pipe for back-compat
3328                 promise.pipe = promise.then;
3330                 // Add list-specific methods
3331                 jQuery.each( tuples, function( i, tuple ) {
3332                         var list = tuple[ 2 ],
3333                                 stateString = tuple[ 3 ];
3335                         // promise[ done | fail | progress ] = list.add
3336                         promise[ tuple[1] ] = list.add;
3338                         // Handle state
3339                         if ( stateString ) {
3340                                 list.add(function() {
3341                                         // state = [ resolved | rejected ]
3342                                         state = stateString;
3344                                 // [ reject_list | resolve_list ].disable; progress_list.lock
3345                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3346                         }
3348                         // deferred[ resolve | reject | notify ]
3349                         deferred[ tuple[0] ] = function() {
3350                                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3351                                 return this;
3352                         };
3353                         deferred[ tuple[0] + "With" ] = list.fireWith;
3354                 });
3356                 // Make the deferred a promise
3357                 promise.promise( deferred );
3359                 // Call given func if any
3360                 if ( func ) {
3361                         func.call( deferred, deferred );
3362                 }
3364                 // All done!
3365                 return deferred;
3366         },
3368         // Deferred helper
3369         when: function( subordinate /* , ..., subordinateN */ ) {
3370                 var i = 0,
3371                         resolveValues = slice.call( arguments ),
3372                         length = resolveValues.length,
3374                         // the count of uncompleted subordinates
3375                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3377                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3378                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3380                         // Update function for both resolve and progress values
3381                         updateFunc = function( i, contexts, values ) {
3382                                 return function( value ) {
3383                                         contexts[ i ] = this;
3384                                         values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3385                                         if ( values === progressValues ) {
3386                                                 deferred.notifyWith( contexts, values );
3388                                         } else if ( !(--remaining) ) {
3389                                                 deferred.resolveWith( contexts, values );
3390                                         }
3391                                 };
3392                         },
3394                         progressValues, progressContexts, resolveContexts;
3396                 // add listeners to Deferred subordinates; treat others as resolved
3397                 if ( length > 1 ) {
3398                         progressValues = new Array( length );
3399                         progressContexts = new Array( length );
3400                         resolveContexts = new Array( length );
3401                         for ( ; i < length; i++ ) {
3402                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3403                                         resolveValues[ i ].promise()
3404                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
3405                                                 .fail( deferred.reject )
3406                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
3407                                 } else {
3408                                         --remaining;
3409                                 }
3410                         }
3411                 }
3413                 // if we're not waiting on anything, resolve the master
3414                 if ( !remaining ) {
3415                         deferred.resolveWith( resolveContexts, resolveValues );
3416                 }
3418                 return deferred.promise();
3419         }
3423 // The deferred used on DOM ready
3424 var readyList;
3426 jQuery.fn.ready = function( fn ) {
3427         // Add the callback
3428         jQuery.ready.promise().done( fn );
3430         return this;
3433 jQuery.extend({
3434         // Is the DOM ready to be used? Set to true once it occurs.
3435         isReady: false,
3437         // A counter to track how many items to wait for before
3438         // the ready event fires. See #6781
3439         readyWait: 1,
3441         // Hold (or release) the ready event
3442         holdReady: function( hold ) {
3443                 if ( hold ) {
3444                         jQuery.readyWait++;
3445                 } else {
3446                         jQuery.ready( true );
3447                 }
3448         },
3450         // Handle when the DOM is ready
3451         ready: function( wait ) {
3453                 // Abort if there are pending holds or we're already ready
3454                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3455                         return;
3456                 }
3458                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
3459                 if ( !document.body ) {
3460                         return setTimeout( jQuery.ready );
3461                 }
3463                 // Remember that the DOM is ready
3464                 jQuery.isReady = true;
3466                 // If a normal DOM Ready event fired, decrement, and wait if need be
3467                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3468                         return;
3469                 }
3471                 // If there are functions bound, to execute
3472                 readyList.resolveWith( document, [ jQuery ] );
3474                 // Trigger any bound ready events
3475                 if ( jQuery.fn.triggerHandler ) {
3476                         jQuery( document ).triggerHandler( "ready" );
3477                         jQuery( document ).off( "ready" );
3478                 }
3479         }
3483  * Clean-up method for dom ready events
3484  */
3485 function detach() {
3486         if ( document.addEventListener ) {
3487                 document.removeEventListener( "DOMContentLoaded", completed, false );
3488                 window.removeEventListener( "load", completed, false );
3490         } else {
3491                 document.detachEvent( "onreadystatechange", completed );
3492                 window.detachEvent( "onload", completed );
3493         }
3497  * The ready event handler and self cleanup method
3498  */
3499 function completed() {
3500         // readyState === "complete" is good enough for us to call the dom ready in oldIE
3501         if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
3502                 detach();
3503                 jQuery.ready();
3504         }
3507 jQuery.ready.promise = function( obj ) {
3508         if ( !readyList ) {
3510                 readyList = jQuery.Deferred();
3512                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
3513                 // we once tried to use readyState "interactive" here, but it caused issues like the one
3514                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
3515                 if ( document.readyState === "complete" ) {
3516                         // Handle it asynchronously to allow scripts the opportunity to delay ready
3517                         setTimeout( jQuery.ready );
3519                 // Standards-based browsers support DOMContentLoaded
3520                 } else if ( document.addEventListener ) {
3521                         // Use the handy event callback
3522                         document.addEventListener( "DOMContentLoaded", completed, false );
3524                         // A fallback to window.onload, that will always work
3525                         window.addEventListener( "load", completed, false );
3527                 // If IE event model is used
3528                 } else {
3529                         // Ensure firing before onload, maybe late but safe also for iframes
3530                         document.attachEvent( "onreadystatechange", completed );
3532                         // A fallback to window.onload, that will always work
3533                         window.attachEvent( "onload", completed );
3535                         // If IE and not a frame
3536                         // continually check to see if the document is ready
3537                         var top = false;
3539                         try {
3540                                 top = window.frameElement == null && document.documentElement;
3541                         } catch(e) {}
3543                         if ( top && top.doScroll ) {
3544                                 (function doScrollCheck() {
3545                                         if ( !jQuery.isReady ) {
3547                                                 try {
3548                                                         // Use the trick by Diego Perini
3549                                                         // http://javascript.nwbox.com/IEContentLoaded/
3550                                                         top.doScroll("left");
3551                                                 } catch(e) {
3552                                                         return setTimeout( doScrollCheck, 50 );
3553                                                 }
3555                                                 // detach all dom ready events
3556                                                 detach();
3558                                                 // and execute any waiting functions
3559                                                 jQuery.ready();
3560                                         }
3561                                 })();
3562                         }
3563                 }
3564         }
3565         return readyList.promise( obj );
3569 var strundefined = typeof undefined;
3573 // Support: IE<9
3574 // Iteration over object's inherited properties before its own
3575 var i;
3576 for ( i in jQuery( support ) ) {
3577         break;
3579 support.ownLast = i !== "0";
3581 // Note: most support tests are defined in their respective modules.
3582 // false until the test is run
3583 support.inlineBlockNeedsLayout = false;
3585 // Execute ASAP in case we need to set body.style.zoom
3586 jQuery(function() {
3587         // Minified: var a,b,c,d
3588         var val, div, body, container;
3590         body = document.getElementsByTagName( "body" )[ 0 ];
3591         if ( !body || !body.style ) {
3592                 // Return for frameset docs that don't have a body
3593                 return;
3594         }
3596         // Setup
3597         div = document.createElement( "div" );
3598         container = document.createElement( "div" );
3599         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
3600         body.appendChild( container ).appendChild( div );
3602         if ( typeof div.style.zoom !== strundefined ) {
3603                 // Support: IE<8
3604                 // Check if natively block-level elements act like inline-block
3605                 // elements when setting their display to 'inline' and giving
3606                 // them layout
3607                 div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
3609                 support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
3610                 if ( val ) {
3611                         // Prevent IE 6 from affecting layout for positioned elements #11048
3612                         // Prevent IE from shrinking the body in IE 7 mode #12869
3613                         // Support: IE<8
3614                         body.style.zoom = 1;
3615                 }
3616         }
3618         body.removeChild( container );
3624 (function() {
3625         var div = document.createElement( "div" );
3627         // Execute the test only if not already executed in another module.
3628         if (support.deleteExpando == null) {
3629                 // Support: IE<9
3630                 support.deleteExpando = true;
3631                 try {
3632                         delete div.test;
3633                 } catch( e ) {
3634                         support.deleteExpando = false;
3635                 }
3636         }
3638         // Null elements to avoid leaks in IE.
3639         div = null;
3640 })();
3644  * Determines whether an object can have data
3645  */
3646 jQuery.acceptData = function( elem ) {
3647         var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ],
3648                 nodeType = +elem.nodeType || 1;
3650         // Do not set data on non-element DOM nodes because it will not be cleared (#8335).
3651         return nodeType !== 1 && nodeType !== 9 ?
3652                 false :
3654                 // Nodes accept data unless otherwise specified; rejection can be conditional
3655                 !noData || noData !== true && elem.getAttribute("classid") === noData;
3659 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
3660         rmultiDash = /([A-Z])/g;
3662 function dataAttr( elem, key, data ) {
3663         // If nothing was found internally, try to fetch any
3664         // data from the HTML5 data-* attribute
3665         if ( data === undefined && elem.nodeType === 1 ) {
3667                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3669                 data = elem.getAttribute( name );
3671                 if ( typeof data === "string" ) {
3672                         try {
3673                                 data = data === "true" ? true :
3674                                         data === "false" ? false :
3675                                         data === "null" ? null :
3676                                         // Only convert to a number if it doesn't change the string
3677                                         +data + "" === data ? +data :
3678                                         rbrace.test( data ) ? jQuery.parseJSON( data ) :
3679                                         data;
3680                         } catch( e ) {}
3682                         // Make sure we set the data so it isn't changed later
3683                         jQuery.data( elem, key, data );
3685                 } else {
3686                         data = undefined;
3687                 }
3688         }
3690         return data;
3693 // checks a cache object for emptiness
3694 function isEmptyDataObject( obj ) {
3695         var name;
3696         for ( name in obj ) {
3698                 // if the public data object is empty, the private is still empty
3699                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3700                         continue;
3701                 }
3702                 if ( name !== "toJSON" ) {
3703                         return false;
3704                 }
3705         }
3707         return true;
3710 function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
3711         if ( !jQuery.acceptData( elem ) ) {
3712                 return;
3713         }
3715         var ret, thisCache,
3716                 internalKey = jQuery.expando,
3718                 // We have to handle DOM nodes and JS objects differently because IE6-7
3719                 // can't GC object references properly across the DOM-JS boundary
3720                 isNode = elem.nodeType,
3722                 // Only DOM nodes need the global jQuery cache; JS object data is
3723                 // attached directly to the object so GC can occur automatically
3724                 cache = isNode ? jQuery.cache : elem,
3726                 // Only defining an ID for JS objects if its cache already exists allows
3727                 // the code to shortcut on the same path as a DOM node with no cache
3728                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3730         // Avoid doing any more work than we need to when trying to get data on an
3731         // object that has no data at all
3732         if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3733                 return;
3734         }
3736         if ( !id ) {
3737                 // Only DOM nodes need a new unique ID for each element since their data
3738                 // ends up in the global cache
3739                 if ( isNode ) {
3740                         id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
3741                 } else {
3742                         id = internalKey;
3743                 }
3744         }
3746         if ( !cache[ id ] ) {
3747                 // Avoid exposing jQuery metadata on plain JS objects when the object
3748                 // is serialized using JSON.stringify
3749                 cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3750         }
3752         // An object can be passed to jQuery.data instead of a key/value pair; this gets
3753         // shallow copied over onto the existing cache
3754         if ( typeof name === "object" || typeof name === "function" ) {
3755                 if ( pvt ) {
3756                         cache[ id ] = jQuery.extend( cache[ id ], name );
3757                 } else {
3758                         cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3759                 }
3760         }
3762         thisCache = cache[ id ];
3764         // jQuery data() is stored in a separate object inside the object's internal data
3765         // cache in order to avoid key collisions between internal data and user-defined
3766         // data.
3767         if ( !pvt ) {
3768                 if ( !thisCache.data ) {
3769                         thisCache.data = {};
3770                 }
3772                 thisCache = thisCache.data;
3773         }
3775         if ( data !== undefined ) {
3776                 thisCache[ jQuery.camelCase( name ) ] = data;
3777         }
3779         // Check for both converted-to-camel and non-converted data property names
3780         // If a data property was specified
3781         if ( typeof name === "string" ) {
3783                 // First Try to find as-is property data
3784                 ret = thisCache[ name ];
3786                 // Test for null|undefined property data
3787                 if ( ret == null ) {
3789                         // Try to find the camelCased property
3790                         ret = thisCache[ jQuery.camelCase( name ) ];
3791                 }
3792         } else {
3793                 ret = thisCache;
3794         }
3796         return ret;
3799 function internalRemoveData( elem, name, pvt ) {
3800         if ( !jQuery.acceptData( elem ) ) {
3801                 return;
3802         }
3804         var thisCache, i,
3805                 isNode = elem.nodeType,
3807                 // See jQuery.data for more information
3808                 cache = isNode ? jQuery.cache : elem,
3809                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3811         // If there is already no cache entry for this object, there is no
3812         // purpose in continuing
3813         if ( !cache[ id ] ) {
3814                 return;
3815         }
3817         if ( name ) {
3819                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
3821                 if ( thisCache ) {
3823                         // Support array or space separated string names for data keys
3824                         if ( !jQuery.isArray( name ) ) {
3826                                 // try the string as a key before any manipulation
3827                                 if ( name in thisCache ) {
3828                                         name = [ name ];
3829                                 } else {
3831                                         // split the camel cased version by spaces unless a key with the spaces exists
3832                                         name = jQuery.camelCase( name );
3833                                         if ( name in thisCache ) {
3834                                                 name = [ name ];
3835                                         } else {
3836                                                 name = name.split(" ");
3837                                         }
3838                                 }
3839                         } else {
3840                                 // If "name" is an array of keys...
3841                                 // When data is initially created, via ("key", "val") signature,
3842                                 // keys will be converted to camelCase.
3843                                 // Since there is no way to tell _how_ a key was added, remove
3844                                 // both plain key and camelCase key. #12786
3845                                 // This will only penalize the array argument path.
3846                                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3847                         }
3849                         i = name.length;
3850                         while ( i-- ) {
3851                                 delete thisCache[ name[i] ];
3852                         }
3854                         // If there is no data left in the cache, we want to continue
3855                         // and let the cache object itself get destroyed
3856                         if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3857                                 return;
3858                         }
3859                 }
3860         }
3862         // See jQuery.data for more information
3863         if ( !pvt ) {
3864                 delete cache[ id ].data;
3866                 // Don't destroy the parent cache unless the internal data object
3867                 // had been the only thing left in it
3868                 if ( !isEmptyDataObject( cache[ id ] ) ) {
3869                         return;
3870                 }
3871         }
3873         // Destroy the cache
3874         if ( isNode ) {
3875                 jQuery.cleanData( [ elem ], true );
3877         // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3878         /* jshint eqeqeq: false */
3879         } else if ( support.deleteExpando || cache != cache.window ) {
3880                 /* jshint eqeqeq: true */
3881                 delete cache[ id ];
3883         // When all else fails, null
3884         } else {
3885                 cache[ id ] = null;
3886         }
3889 jQuery.extend({
3890         cache: {},
3892         // The following elements (space-suffixed to avoid Object.prototype collisions)
3893         // throw uncatchable exceptions if you attempt to set expando properties
3894         noData: {
3895                 "applet ": true,
3896                 "embed ": true,
3897                 // ...but Flash objects (which have this classid) *can* handle expandos
3898                 "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3899         },
3901         hasData: function( elem ) {
3902                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3903                 return !!elem && !isEmptyDataObject( elem );
3904         },
3906         data: function( elem, name, data ) {
3907                 return internalData( elem, name, data );
3908         },
3910         removeData: function( elem, name ) {
3911                 return internalRemoveData( elem, name );
3912         },
3914         // For internal use only.
3915         _data: function( elem, name, data ) {
3916                 return internalData( elem, name, data, true );
3917         },
3919         _removeData: function( elem, name ) {
3920                 return internalRemoveData( elem, name, true );
3921         }
3924 jQuery.fn.extend({
3925         data: function( key, value ) {
3926                 var i, name, data,
3927                         elem = this[0],
3928                         attrs = elem && elem.attributes;
3930                 // Special expections of .data basically thwart jQuery.access,
3931                 // so implement the relevant behavior ourselves
3933                 // Gets all values
3934                 if ( key === undefined ) {
3935                         if ( this.length ) {
3936                                 data = jQuery.data( elem );
3938                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3939                                         i = attrs.length;
3940                                         while ( i-- ) {
3942                                                 // Support: IE11+
3943                                                 // The attrs elements can be null (#14894)
3944                                                 if ( attrs[ i ] ) {
3945                                                         name = attrs[ i ].name;
3946                                                         if ( name.indexOf( "data-" ) === 0 ) {
3947                                                                 name = jQuery.camelCase( name.slice(5) );
3948                                                                 dataAttr( elem, name, data[ name ] );
3949                                                         }
3950                                                 }
3951                                         }
3952                                         jQuery._data( elem, "parsedAttrs", true );
3953                                 }
3954                         }
3956                         return data;
3957                 }
3959                 // Sets multiple values
3960                 if ( typeof key === "object" ) {
3961                         return this.each(function() {
3962                                 jQuery.data( this, key );
3963                         });
3964                 }
3966                 return arguments.length > 1 ?
3968                         // Sets one value
3969                         this.each(function() {
3970                                 jQuery.data( this, key, value );
3971                         }) :
3973                         // Gets one value
3974                         // Try to fetch any internally stored data first
3975                         elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
3976         },
3978         removeData: function( key ) {
3979                 return this.each(function() {
3980                         jQuery.removeData( this, key );
3981                 });
3982         }
3986 jQuery.extend({
3987         queue: function( elem, type, data ) {
3988                 var queue;
3990                 if ( elem ) {
3991                         type = ( type || "fx" ) + "queue";
3992                         queue = jQuery._data( elem, type );
3994                         // Speed up dequeue by getting out quickly if this is just a lookup
3995                         if ( data ) {
3996                                 if ( !queue || jQuery.isArray(data) ) {
3997                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3998                                 } else {
3999                                         queue.push( data );
4000                                 }
4001                         }
4002                         return queue || [];
4003                 }
4004         },
4006         dequeue: function( elem, type ) {
4007                 type = type || "fx";
4009                 var queue = jQuery.queue( elem, type ),
4010                         startLength = queue.length,
4011                         fn = queue.shift(),
4012                         hooks = jQuery._queueHooks( elem, type ),
4013                         next = function() {
4014                                 jQuery.dequeue( elem, type );
4015                         };
4017                 // If the fx queue is dequeued, always remove the progress sentinel
4018                 if ( fn === "inprogress" ) {
4019                         fn = queue.shift();
4020                         startLength--;
4021                 }
4023                 if ( fn ) {
4025                         // Add a progress sentinel to prevent the fx queue from being
4026                         // automatically dequeued
4027                         if ( type === "fx" ) {
4028                                 queue.unshift( "inprogress" );
4029                         }
4031                         // clear up the last queue stop function
4032                         delete hooks.stop;
4033                         fn.call( elem, next, hooks );
4034                 }
4036                 if ( !startLength && hooks ) {
4037                         hooks.empty.fire();
4038                 }
4039         },
4041         // not intended for public consumption - generates a queueHooks object, or returns the current one
4042         _queueHooks: function( elem, type ) {
4043                 var key = type + "queueHooks";
4044                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
4045                         empty: jQuery.Callbacks("once memory").add(function() {
4046                                 jQuery._removeData( elem, type + "queue" );
4047                                 jQuery._removeData( elem, key );
4048                         })
4049                 });
4050         }
4053 jQuery.fn.extend({
4054         queue: function( type, data ) {
4055                 var setter = 2;
4057                 if ( typeof type !== "string" ) {
4058                         data = type;
4059                         type = "fx";
4060                         setter--;
4061                 }
4063                 if ( arguments.length < setter ) {
4064                         return jQuery.queue( this[0], type );
4065                 }
4067                 return data === undefined ?
4068                         this :
4069                         this.each(function() {
4070                                 var queue = jQuery.queue( this, type, data );
4072                                 // ensure a hooks for this queue
4073                                 jQuery._queueHooks( this, type );
4075                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
4076                                         jQuery.dequeue( this, type );
4077                                 }
4078                         });
4079         },
4080         dequeue: function( type ) {
4081                 return this.each(function() {
4082                         jQuery.dequeue( this, type );
4083                 });
4084         },
4085         clearQueue: function( type ) {
4086                 return this.queue( type || "fx", [] );
4087         },
4088         // Get a promise resolved when queues of a certain type
4089         // are emptied (fx is the type by default)
4090         promise: function( type, obj ) {
4091                 var tmp,
4092                         count = 1,
4093                         defer = jQuery.Deferred(),
4094                         elements = this,
4095                         i = this.length,
4096                         resolve = function() {
4097                                 if ( !( --count ) ) {
4098                                         defer.resolveWith( elements, [ elements ] );
4099                                 }
4100                         };
4102                 if ( typeof type !== "string" ) {
4103                         obj = type;
4104                         type = undefined;
4105                 }
4106                 type = type || "fx";
4108                 while ( i-- ) {
4109                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4110                         if ( tmp && tmp.empty ) {
4111                                 count++;
4112                                 tmp.empty.add( resolve );
4113                         }
4114                 }
4115                 resolve();
4116                 return defer.promise( obj );
4117         }
4119 var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
4121 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4123 var isHidden = function( elem, el ) {
4124                 // isHidden might be called from jQuery#filter function;
4125                 // in that case, element will be second argument
4126                 elem = el || elem;
4127                 return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
4128         };
4132 // Multifunctional method to get and set values of a collection
4133 // The value/s can optionally be executed if it's a function
4134 var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4135         var i = 0,
4136                 length = elems.length,
4137                 bulk = key == null;
4139         // Sets many values
4140         if ( jQuery.type( key ) === "object" ) {
4141                 chainable = true;
4142                 for ( i in key ) {
4143                         jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
4144                 }
4146         // Sets one value
4147         } else if ( value !== undefined ) {
4148                 chainable = true;
4150                 if ( !jQuery.isFunction( value ) ) {
4151                         raw = true;
4152                 }
4154                 if ( bulk ) {
4155                         // Bulk operations run against the entire set
4156                         if ( raw ) {
4157                                 fn.call( elems, value );
4158                                 fn = null;
4160                         // ...except when executing function values
4161                         } else {
4162                                 bulk = fn;
4163                                 fn = function( elem, key, value ) {
4164                                         return bulk.call( jQuery( elem ), value );
4165                                 };
4166                         }
4167                 }
4169                 if ( fn ) {
4170                         for ( ; i < length; i++ ) {
4171                                 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
4172                         }
4173                 }
4174         }
4176         return chainable ?
4177                 elems :
4179                 // Gets
4180                 bulk ?
4181                         fn.call( elems ) :
4182                         length ? fn( elems[0], key ) : emptyGet;
4184 var rcheckableType = (/^(?:checkbox|radio)$/i);
4188 (function() {
4189         // Minified: var a,b,c
4190         var input = document.createElement( "input" ),
4191                 div = document.createElement( "div" ),
4192                 fragment = document.createDocumentFragment();
4194         // Setup
4195         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
4197         // IE strips leading whitespace when .innerHTML is used
4198         support.leadingWhitespace = div.firstChild.nodeType === 3;
4200         // Make sure that tbody elements aren't automatically inserted
4201         // IE will insert them into empty tables
4202         support.tbody = !div.getElementsByTagName( "tbody" ).length;
4204         // Make sure that link elements get serialized correctly by innerHTML
4205         // This requires a wrapper element in IE
4206         support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
4208         // Makes sure cloning an html5 element does not cause problems
4209         // Where outerHTML is undefined, this still works
4210         support.html5Clone =
4211                 document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
4213         // Check if a disconnected checkbox will retain its checked
4214         // value of true after appended to the DOM (IE6/7)
4215         input.type = "checkbox";
4216         input.checked = true;
4217         fragment.appendChild( input );
4218         support.appendChecked = input.checked;
4220         // Make sure textarea (and checkbox) defaultValue is properly cloned
4221         // Support: IE6-IE11+
4222         div.innerHTML = "<textarea>x</textarea>";
4223         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4225         // #11217 - WebKit loses check when the name is after the checked attribute
4226         fragment.appendChild( div );
4227         div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
4229         // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
4230         // old WebKit doesn't clone checked state correctly in fragments
4231         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4233         // Support: IE<9
4234         // Opera does not clone events (and typeof div.attachEvent === undefined).
4235         // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
4236         support.noCloneEvent = true;
4237         if ( div.attachEvent ) {
4238                 div.attachEvent( "onclick", function() {
4239                         support.noCloneEvent = false;
4240                 });
4242                 div.cloneNode( true ).click();
4243         }
4245         // Execute the test only if not already executed in another module.
4246         if (support.deleteExpando == null) {
4247                 // Support: IE<9
4248                 support.deleteExpando = true;
4249                 try {
4250                         delete div.test;
4251                 } catch( e ) {
4252                         support.deleteExpando = false;
4253                 }
4254         }
4255 })();
4258 (function() {
4259         var i, eventName,
4260                 div = document.createElement( "div" );
4262         // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)
4263         for ( i in { submit: true, change: true, focusin: true }) {
4264                 eventName = "on" + i;
4266                 if ( !(support[ i + "Bubbles" ] = eventName in window) ) {
4267                         // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
4268                         div.setAttribute( eventName, "t" );
4269                         support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false;
4270                 }
4271         }
4273         // Null elements to avoid leaks in IE.
4274         div = null;
4275 })();
4278 var rformElems = /^(?:input|select|textarea)$/i,
4279         rkeyEvent = /^key/,
4280         rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
4281         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4282         rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4284 function returnTrue() {
4285         return true;
4288 function returnFalse() {
4289         return false;
4292 function safeActiveElement() {
4293         try {
4294                 return document.activeElement;
4295         } catch ( err ) { }
4299  * Helper functions for managing events -- not part of the public interface.
4300  * Props to Dean Edwards' addEvent library for many of the ideas.
4301  */
4302 jQuery.event = {
4304         global: {},
4306         add: function( elem, types, handler, data, selector ) {
4307                 var tmp, events, t, handleObjIn,
4308                         special, eventHandle, handleObj,
4309                         handlers, type, namespaces, origType,
4310                         elemData = jQuery._data( elem );
4312                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4313                 if ( !elemData ) {
4314                         return;
4315                 }
4317                 // Caller can pass in an object of custom data in lieu of the handler
4318                 if ( handler.handler ) {
4319                         handleObjIn = handler;
4320                         handler = handleObjIn.handler;
4321                         selector = handleObjIn.selector;
4322                 }
4324                 // Make sure that the handler has a unique ID, used to find/remove it later
4325                 if ( !handler.guid ) {
4326                         handler.guid = jQuery.guid++;
4327                 }
4329                 // Init the element's event structure and main handler, if this is the first
4330                 if ( !(events = elemData.events) ) {
4331                         events = elemData.events = {};
4332                 }
4333                 if ( !(eventHandle = elemData.handle) ) {
4334                         eventHandle = elemData.handle = function( e ) {
4335                                 // Discard the second event of a jQuery.event.trigger() and
4336                                 // when an event is called after a page has unloaded
4337                                 return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
4338                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4339                                         undefined;
4340                         };
4341                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4342                         eventHandle.elem = elem;
4343                 }
4345                 // Handle multiple events separated by a space
4346                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4347                 t = types.length;
4348                 while ( t-- ) {
4349                         tmp = rtypenamespace.exec( types[t] ) || [];
4350                         type = origType = tmp[1];
4351                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4353                         // There *must* be a type, no attaching namespace-only handlers
4354                         if ( !type ) {
4355                                 continue;
4356                         }
4358                         // If event changes its type, use the special event handlers for the changed type
4359                         special = jQuery.event.special[ type ] || {};
4361                         // If selector defined, determine special event api type, otherwise given type
4362                         type = ( selector ? special.delegateType : special.bindType ) || type;
4364                         // Update special based on newly reset type
4365                         special = jQuery.event.special[ type ] || {};
4367                         // handleObj is passed to all event handlers
4368                         handleObj = jQuery.extend({
4369                                 type: type,
4370                                 origType: origType,
4371                                 data: data,
4372                                 handler: handler,
4373                                 guid: handler.guid,
4374                                 selector: selector,
4375                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4376                                 namespace: namespaces.join(".")
4377                         }, handleObjIn );
4379                         // Init the event handler queue if we're the first
4380                         if ( !(handlers = events[ type ]) ) {
4381                                 handlers = events[ type ] = [];
4382                                 handlers.delegateCount = 0;
4384                                 // Only use addEventListener/attachEvent if the special events handler returns false
4385                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4386                                         // Bind the global event handler to the element
4387                                         if ( elem.addEventListener ) {
4388                                                 elem.addEventListener( type, eventHandle, false );
4390                                         } else if ( elem.attachEvent ) {
4391                                                 elem.attachEvent( "on" + type, eventHandle );
4392                                         }
4393                                 }
4394                         }
4396                         if ( special.add ) {
4397                                 special.add.call( elem, handleObj );
4399                                 if ( !handleObj.handler.guid ) {
4400                                         handleObj.handler.guid = handler.guid;
4401                                 }
4402                         }
4404                         // Add to the element's handler list, delegates in front
4405                         if ( selector ) {
4406                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4407                         } else {
4408                                 handlers.push( handleObj );
4409                         }
4411                         // Keep track of which events have ever been used, for event optimization
4412                         jQuery.event.global[ type ] = true;
4413                 }
4415                 // Nullify elem to prevent memory leaks in IE
4416                 elem = null;
4417         },
4419         // Detach an event or set of events from an element
4420         remove: function( elem, types, handler, selector, mappedTypes ) {
4421                 var j, handleObj, tmp,
4422                         origCount, t, events,
4423                         special, handlers, type,
4424                         namespaces, origType,
4425                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4427                 if ( !elemData || !(events = elemData.events) ) {
4428                         return;
4429                 }
4431                 // Once for each type.namespace in types; type may be omitted
4432                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4433                 t = types.length;
4434                 while ( t-- ) {
4435                         tmp = rtypenamespace.exec( types[t] ) || [];
4436                         type = origType = tmp[1];
4437                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4439                         // Unbind all events (on this namespace, if provided) for the element
4440                         if ( !type ) {
4441                                 for ( type in events ) {
4442                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4443                                 }
4444                                 continue;
4445                         }
4447                         special = jQuery.event.special[ type ] || {};
4448                         type = ( selector ? special.delegateType : special.bindType ) || type;
4449                         handlers = events[ type ] || [];
4450                         tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4452                         // Remove matching events
4453                         origCount = j = handlers.length;
4454                         while ( j-- ) {
4455                                 handleObj = handlers[ j ];
4457                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4458                                         ( !handler || handler.guid === handleObj.guid ) &&
4459                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
4460                                         ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4461                                         handlers.splice( j, 1 );
4463                                         if ( handleObj.selector ) {
4464                                                 handlers.delegateCount--;
4465                                         }
4466                                         if ( special.remove ) {
4467                                                 special.remove.call( elem, handleObj );
4468                                         }
4469                                 }
4470                         }
4472                         // Remove generic event handler if we removed something and no more handlers exist
4473                         // (avoids potential for endless recursion during removal of special event handlers)
4474                         if ( origCount && !handlers.length ) {
4475                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4476                                         jQuery.removeEvent( elem, type, elemData.handle );
4477                                 }
4479                                 delete events[ type ];
4480                         }
4481                 }
4483                 // Remove the expando if it's no longer used
4484                 if ( jQuery.isEmptyObject( events ) ) {
4485                         delete elemData.handle;
4487                         // removeData also checks for emptiness and clears the expando if empty
4488                         // so use it instead of delete
4489                         jQuery._removeData( elem, "events" );
4490                 }
4491         },
4493         trigger: function( event, data, elem, onlyHandlers ) {
4494                 var handle, ontype, cur,
4495                         bubbleType, special, tmp, i,
4496                         eventPath = [ elem || document ],
4497                         type = hasOwn.call( event, "type" ) ? event.type : event,
4498                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4500                 cur = tmp = elem = elem || document;
4502                 // Don't do events on text and comment nodes
4503                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4504                         return;
4505                 }
4507                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
4508                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4509                         return;
4510                 }
4512                 if ( type.indexOf(".") >= 0 ) {
4513                         // Namespaced trigger; create a regexp to match event type in handle()
4514                         namespaces = type.split(".");
4515                         type = namespaces.shift();
4516                         namespaces.sort();
4517                 }
4518                 ontype = type.indexOf(":") < 0 && "on" + type;
4520                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
4521                 event = event[ jQuery.expando ] ?
4522                         event :
4523                         new jQuery.Event( type, typeof event === "object" && event );
4525                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4526                 event.isTrigger = onlyHandlers ? 2 : 3;
4527                 event.namespace = namespaces.join(".");
4528                 event.namespace_re = event.namespace ?
4529                         new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4530                         null;
4532                 // Clean up the event in case it is being reused
4533                 event.result = undefined;
4534                 if ( !event.target ) {
4535                         event.target = elem;
4536                 }
4538                 // Clone any incoming data and prepend the event, creating the handler arg list
4539                 data = data == null ?
4540                         [ event ] :
4541                         jQuery.makeArray( data, [ event ] );
4543                 // Allow special events to draw outside the lines
4544                 special = jQuery.event.special[ type ] || {};
4545                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4546                         return;
4547                 }
4549                 // Determine event propagation path in advance, per W3C events spec (#9951)
4550                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4551                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4553                         bubbleType = special.delegateType || type;
4554                         if ( !rfocusMorph.test( bubbleType + type ) ) {
4555                                 cur = cur.parentNode;
4556                         }
4557                         for ( ; cur; cur = cur.parentNode ) {
4558                                 eventPath.push( cur );
4559                                 tmp = cur;
4560                         }
4562                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
4563                         if ( tmp === (elem.ownerDocument || document) ) {
4564                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4565                         }
4566                 }
4568                 // Fire handlers on the event path
4569                 i = 0;
4570                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
4572                         event.type = i > 1 ?
4573                                 bubbleType :
4574                                 special.bindType || type;
4576                         // jQuery handler
4577                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
4578                         if ( handle ) {
4579                                 handle.apply( cur, data );
4580                         }
4582                         // Native handler
4583                         handle = ontype && cur[ ontype ];
4584                         if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
4585                                 event.result = handle.apply( cur, data );
4586                                 if ( event.result === false ) {
4587                                         event.preventDefault();
4588                                 }
4589                         }
4590                 }
4591                 event.type = type;
4593                 // If nobody prevented the default action, do it now
4594                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
4596                         if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
4597                                 jQuery.acceptData( elem ) ) {
4599                                 // Call a native DOM method on the target with the same name name as the event.
4600                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
4601                                 // Don't do default actions on window, that's where global variables be (#6170)
4602                                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
4604                                         // Don't re-trigger an onFOO event when we call its FOO() method
4605                                         tmp = elem[ ontype ];
4607                                         if ( tmp ) {
4608                                                 elem[ ontype ] = null;
4609                                         }
4611                                         // Prevent re-triggering of the same event, since we already bubbled it above
4612                                         jQuery.event.triggered = type;
4613                                         try {
4614                                                 elem[ type ]();
4615                                         } catch ( e ) {
4616                                                 // IE<9 dies on focus/blur to hidden element (#1486,#12518)
4617                                                 // only reproducible on winXP IE8 native, not IE9 in IE8 mode
4618                                         }
4619                                         jQuery.event.triggered = undefined;
4621                                         if ( tmp ) {
4622                                                 elem[ ontype ] = tmp;
4623                                         }
4624                                 }
4625                         }
4626                 }
4628                 return event.result;
4629         },
4631         dispatch: function( event ) {
4633                 // Make a writable jQuery.Event from the native event object
4634                 event = jQuery.event.fix( event );
4636                 var i, ret, handleObj, matched, j,
4637                         handlerQueue = [],
4638                         args = slice.call( arguments ),
4639                         handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
4640                         special = jQuery.event.special[ event.type ] || {};
4642                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
4643                 args[0] = event;
4644                 event.delegateTarget = this;
4646                 // Call the preDispatch hook for the mapped type, and let it bail if desired
4647                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
4648                         return;
4649                 }
4651                 // Determine handlers
4652                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
4654                 // Run delegates first; they may want to stop propagation beneath us
4655                 i = 0;
4656                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
4657                         event.currentTarget = matched.elem;
4659                         j = 0;
4660                         while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
4662                                 // Triggered event must either 1) have no namespace, or
4663                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
4664                                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
4666                                         event.handleObj = handleObj;
4667                                         event.data = handleObj.data;
4669                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
4670                                                         .apply( matched.elem, args );
4672                                         if ( ret !== undefined ) {
4673                                                 if ( (event.result = ret) === false ) {
4674                                                         event.preventDefault();
4675                                                         event.stopPropagation();
4676                                                 }
4677                                         }
4678                                 }
4679                         }
4680                 }
4682                 // Call the postDispatch hook for the mapped type
4683                 if ( special.postDispatch ) {
4684                         special.postDispatch.call( this, event );
4685                 }
4687                 return event.result;
4688         },
4690         handlers: function( event, handlers ) {
4691                 var sel, handleObj, matches, i,
4692                         handlerQueue = [],
4693                         delegateCount = handlers.delegateCount,
4694                         cur = event.target;
4696                 // Find delegate handlers
4697                 // Black-hole SVG <use> instance trees (#13180)
4698                 // Avoid non-left-click bubbling in Firefox (#3861)
4699                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
4701                         /* jshint eqeqeq: false */
4702                         for ( ; cur != this; cur = cur.parentNode || this ) {
4703                                 /* jshint eqeqeq: true */
4705                                 // Don't check non-elements (#13208)
4706                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
4707                                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
4708                                         matches = [];
4709                                         for ( i = 0; i < delegateCount; i++ ) {
4710                                                 handleObj = handlers[ i ];
4712                                                 // Don't conflict with Object.prototype properties (#13203)
4713                                                 sel = handleObj.selector + " ";
4715                                                 if ( matches[ sel ] === undefined ) {
4716                                                         matches[ sel ] = handleObj.needsContext ?
4717                                                                 jQuery( sel, this ).index( cur ) >= 0 :
4718                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
4719                                                 }
4720                                                 if ( matches[ sel ] ) {
4721                                                         matches.push( handleObj );
4722                                                 }
4723                                         }
4724                                         if ( matches.length ) {
4725                                                 handlerQueue.push({ elem: cur, handlers: matches });
4726                                         }
4727                                 }
4728                         }
4729                 }
4731                 // Add the remaining (directly-bound) handlers
4732                 if ( delegateCount < handlers.length ) {
4733                         handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
4734                 }
4736                 return handlerQueue;
4737         },
4739         fix: function( event ) {
4740                 if ( event[ jQuery.expando ] ) {
4741                         return event;
4742                 }
4744                 // Create a writable copy of the event object and normalize some properties
4745                 var i, prop, copy,
4746                         type = event.type,
4747                         originalEvent = event,
4748                         fixHook = this.fixHooks[ type ];
4750                 if ( !fixHook ) {
4751                         this.fixHooks[ type ] = fixHook =
4752                                 rmouseEvent.test( type ) ? this.mouseHooks :
4753                                 rkeyEvent.test( type ) ? this.keyHooks :
4754                                 {};
4755                 }
4756                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
4758                 event = new jQuery.Event( originalEvent );
4760                 i = copy.length;
4761                 while ( i-- ) {
4762                         prop = copy[ i ];
4763                         event[ prop ] = originalEvent[ prop ];
4764                 }
4766                 // Support: IE<9
4767                 // Fix target property (#1925)
4768                 if ( !event.target ) {
4769                         event.target = originalEvent.srcElement || document;
4770                 }
4772                 // Support: Chrome 23+, Safari?
4773                 // Target should not be a text node (#504, #13143)
4774                 if ( event.target.nodeType === 3 ) {
4775                         event.target = event.target.parentNode;
4776                 }
4778                 // Support: IE<9
4779                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
4780                 event.metaKey = !!event.metaKey;
4782                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
4783         },
4785         // Includes some event props shared by KeyEvent and MouseEvent
4786         props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
4788         fixHooks: {},
4790         keyHooks: {
4791                 props: "char charCode key keyCode".split(" "),
4792                 filter: function( event, original ) {
4794                         // Add which for key events
4795                         if ( event.which == null ) {
4796                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
4797                         }
4799                         return event;
4800                 }
4801         },
4803         mouseHooks: {
4804                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
4805                 filter: function( event, original ) {
4806                         var body, eventDoc, doc,
4807                                 button = original.button,
4808                                 fromElement = original.fromElement;
4810                         // Calculate pageX/Y if missing and clientX/Y available
4811                         if ( event.pageX == null && original.clientX != null ) {
4812                                 eventDoc = event.target.ownerDocument || document;
4813                                 doc = eventDoc.documentElement;
4814                                 body = eventDoc.body;
4816                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
4817                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
4818                         }
4820                         // Add relatedTarget, if necessary
4821                         if ( !event.relatedTarget && fromElement ) {
4822                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
4823                         }
4825                         // Add which for click: 1 === left; 2 === middle; 3 === right
4826                         // Note: button is not normalized, so don't use it
4827                         if ( !event.which && button !== undefined ) {
4828                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
4829                         }
4831                         return event;
4832                 }
4833         },
4835         special: {
4836                 load: {
4837                         // Prevent triggered image.load events from bubbling to window.load
4838                         noBubble: true
4839                 },
4840                 focus: {
4841                         // Fire native event if possible so blur/focus sequence is correct
4842                         trigger: function() {
4843                                 if ( this !== safeActiveElement() && this.focus ) {
4844                                         try {
4845                                                 this.focus();
4846                                                 return false;
4847                                         } catch ( e ) {
4848                                                 // Support: IE<9
4849                                                 // If we error on focus to hidden element (#1486, #12518),
4850                                                 // let .trigger() run the handlers
4851                                         }
4852                                 }
4853                         },
4854                         delegateType: "focusin"
4855                 },
4856                 blur: {
4857                         trigger: function() {
4858                                 if ( this === safeActiveElement() && this.blur ) {
4859                                         this.blur();
4860                                         return false;
4861                                 }
4862                         },
4863                         delegateType: "focusout"
4864                 },
4865                 click: {
4866                         // For checkbox, fire native event so checked state will be right
4867                         trigger: function() {
4868                                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
4869                                         this.click();
4870                                         return false;
4871                                 }
4872                         },
4874                         // For cross-browser consistency, don't fire native .click() on links
4875                         _default: function( event ) {
4876                                 return jQuery.nodeName( event.target, "a" );
4877                         }
4878                 },
4880                 beforeunload: {
4881                         postDispatch: function( event ) {
4883                                 // Support: Firefox 20+
4884                                 // Firefox doesn't alert if the returnValue field is not set.
4885                                 if ( event.result !== undefined && event.originalEvent ) {
4886                                         event.originalEvent.returnValue = event.result;
4887                                 }
4888                         }
4889                 }
4890         },
4892         simulate: function( type, elem, event, bubble ) {
4893                 // Piggyback on a donor event to simulate a different one.
4894                 // Fake originalEvent to avoid donor's stopPropagation, but if the
4895                 // simulated event prevents default then we do the same on the donor.
4896                 var e = jQuery.extend(
4897                         new jQuery.Event(),
4898                         event,
4899                         {
4900                                 type: type,
4901                                 isSimulated: true,
4902                                 originalEvent: {}
4903                         }
4904                 );
4905                 if ( bubble ) {
4906                         jQuery.event.trigger( e, null, elem );
4907                 } else {
4908                         jQuery.event.dispatch.call( elem, e );
4909                 }
4910                 if ( e.isDefaultPrevented() ) {
4911                         event.preventDefault();
4912                 }
4913         }
4916 jQuery.removeEvent = document.removeEventListener ?
4917         function( elem, type, handle ) {
4918                 if ( elem.removeEventListener ) {
4919                         elem.removeEventListener( type, handle, false );
4920                 }
4921         } :
4922         function( elem, type, handle ) {
4923                 var name = "on" + type;
4925                 if ( elem.detachEvent ) {
4927                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
4928                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
4929                         if ( typeof elem[ name ] === strundefined ) {
4930                                 elem[ name ] = null;
4931                         }
4933                         elem.detachEvent( name, handle );
4934                 }
4935         };
4937 jQuery.Event = function( src, props ) {
4938         // Allow instantiation without the 'new' keyword
4939         if ( !(this instanceof jQuery.Event) ) {
4940                 return new jQuery.Event( src, props );
4941         }
4943         // Event object
4944         if ( src && src.type ) {
4945                 this.originalEvent = src;
4946                 this.type = src.type;
4948                 // Events bubbling up the document may have been marked as prevented
4949                 // by a handler lower down the tree; reflect the correct value.
4950                 this.isDefaultPrevented = src.defaultPrevented ||
4951                                 src.defaultPrevented === undefined &&
4952                                 // Support: IE < 9, Android < 4.0
4953                                 src.returnValue === false ?
4954                         returnTrue :
4955                         returnFalse;
4957         // Event type
4958         } else {
4959                 this.type = src;
4960         }
4962         // Put explicitly provided properties onto the event object
4963         if ( props ) {
4964                 jQuery.extend( this, props );
4965         }
4967         // Create a timestamp if incoming event doesn't have one
4968         this.timeStamp = src && src.timeStamp || jQuery.now();
4970         // Mark it as fixed
4971         this[ jQuery.expando ] = true;
4974 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
4975 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
4976 jQuery.Event.prototype = {
4977         isDefaultPrevented: returnFalse,
4978         isPropagationStopped: returnFalse,
4979         isImmediatePropagationStopped: returnFalse,
4981         preventDefault: function() {
4982                 var e = this.originalEvent;
4984                 this.isDefaultPrevented = returnTrue;
4985                 if ( !e ) {
4986                         return;
4987                 }
4989                 // If preventDefault exists, run it on the original event
4990                 if ( e.preventDefault ) {
4991                         e.preventDefault();
4993                 // Support: IE
4994                 // Otherwise set the returnValue property of the original event to false
4995                 } else {
4996                         e.returnValue = false;
4997                 }
4998         },
4999         stopPropagation: function() {
5000                 var e = this.originalEvent;
5002                 this.isPropagationStopped = returnTrue;
5003                 if ( !e ) {
5004                         return;
5005                 }
5006                 // If stopPropagation exists, run it on the original event
5007                 if ( e.stopPropagation ) {
5008                         e.stopPropagation();
5009                 }
5011                 // Support: IE
5012                 // Set the cancelBubble property of the original event to true
5013                 e.cancelBubble = true;
5014         },
5015         stopImmediatePropagation: function() {
5016                 var e = this.originalEvent;
5018                 this.isImmediatePropagationStopped = returnTrue;
5020                 if ( e && e.stopImmediatePropagation ) {
5021                         e.stopImmediatePropagation();
5022                 }
5024                 this.stopPropagation();
5025         }
5028 // Create mouseenter/leave events using mouseover/out and event-time checks
5029 jQuery.each({
5030         mouseenter: "mouseover",
5031         mouseleave: "mouseout",
5032         pointerenter: "pointerover",
5033         pointerleave: "pointerout"
5034 }, function( orig, fix ) {
5035         jQuery.event.special[ orig ] = {
5036                 delegateType: fix,
5037                 bindType: fix,
5039                 handle: function( event ) {
5040                         var ret,
5041                                 target = this,
5042                                 related = event.relatedTarget,
5043                                 handleObj = event.handleObj;
5045                         // For mousenter/leave call the handler if related is outside the target.
5046                         // NB: No relatedTarget if the mouse left/entered the browser window
5047                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5048                                 event.type = handleObj.origType;
5049                                 ret = handleObj.handler.apply( this, arguments );
5050                                 event.type = fix;
5051                         }
5052                         return ret;
5053                 }
5054         };
5057 // IE submit delegation
5058 if ( !support.submitBubbles ) {
5060         jQuery.event.special.submit = {
5061                 setup: function() {
5062                         // Only need this for delegated form submit events
5063                         if ( jQuery.nodeName( this, "form" ) ) {
5064                                 return false;
5065                         }
5067                         // Lazy-add a submit handler when a descendant form may potentially be submitted
5068                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5069                                 // Node name check avoids a VML-related crash in IE (#9807)
5070                                 var elem = e.target,
5071                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5072                                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5073                                         jQuery.event.add( form, "submit._submit", function( event ) {
5074                                                 event._submit_bubble = true;
5075                                         });
5076                                         jQuery._data( form, "submitBubbles", true );
5077                                 }
5078                         });
5079                         // return undefined since we don't need an event listener
5080                 },
5082                 postDispatch: function( event ) {
5083                         // If form was submitted by the user, bubble the event up the tree
5084                         if ( event._submit_bubble ) {
5085                                 delete event._submit_bubble;
5086                                 if ( this.parentNode && !event.isTrigger ) {
5087                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
5088                                 }
5089                         }
5090                 },
5092                 teardown: function() {
5093                         // Only need this for delegated form submit events
5094                         if ( jQuery.nodeName( this, "form" ) ) {
5095                                 return false;
5096                         }
5098                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5099                         jQuery.event.remove( this, "._submit" );
5100                 }
5101         };
5104 // IE change delegation and checkbox/radio fix
5105 if ( !support.changeBubbles ) {
5107         jQuery.event.special.change = {
5109                 setup: function() {
5111                         if ( rformElems.test( this.nodeName ) ) {
5112                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5113                                 // after a propertychange. Eat the blur-change in special.change.handle.
5114                                 // This still fires onchange a second time for check/radio after blur.
5115                                 if ( this.type === "checkbox" || this.type === "radio" ) {
5116                                         jQuery.event.add( this, "propertychange._change", function( event ) {
5117                                                 if ( event.originalEvent.propertyName === "checked" ) {
5118                                                         this._just_changed = true;
5119                                                 }
5120                                         });
5121                                         jQuery.event.add( this, "click._change", function( event ) {
5122                                                 if ( this._just_changed && !event.isTrigger ) {
5123                                                         this._just_changed = false;
5124                                                 }
5125                                                 // Allow triggered, simulated change events (#11500)
5126                                                 jQuery.event.simulate( "change", this, event, true );
5127                                         });
5128                                 }
5129                                 return false;
5130                         }
5131                         // Delegated event; lazy-add a change handler on descendant inputs
5132                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
5133                                 var elem = e.target;
5135                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5136                                         jQuery.event.add( elem, "change._change", function( event ) {
5137                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5138                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
5139                                                 }
5140                                         });
5141                                         jQuery._data( elem, "changeBubbles", true );
5142                                 }
5143                         });
5144                 },
5146                 handle: function( event ) {
5147                         var elem = event.target;
5149                         // Swallow native change events from checkbox/radio, we already triggered them above
5150                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5151                                 return event.handleObj.handler.apply( this, arguments );
5152                         }
5153                 },
5155                 teardown: function() {
5156                         jQuery.event.remove( this, "._change" );
5158                         return !rformElems.test( this.nodeName );
5159                 }
5160         };
5163 // Create "bubbling" focus and blur events
5164 if ( !support.focusinBubbles ) {
5165         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5167                 // Attach a single capturing handler on the document while someone wants focusin/focusout
5168                 var handler = function( event ) {
5169                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5170                         };
5172                 jQuery.event.special[ fix ] = {
5173                         setup: function() {
5174                                 var doc = this.ownerDocument || this,
5175                                         attaches = jQuery._data( doc, fix );
5177                                 if ( !attaches ) {
5178                                         doc.addEventListener( orig, handler, true );
5179                                 }
5180                                 jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
5181                         },
5182                         teardown: function() {
5183                                 var doc = this.ownerDocument || this,
5184                                         attaches = jQuery._data( doc, fix ) - 1;
5186                                 if ( !attaches ) {
5187                                         doc.removeEventListener( orig, handler, true );
5188                                         jQuery._removeData( doc, fix );
5189                                 } else {
5190                                         jQuery._data( doc, fix, attaches );
5191                                 }
5192                         }
5193                 };
5194         });
5197 jQuery.fn.extend({
5199         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5200                 var type, origFn;
5202                 // Types can be a map of types/handlers
5203                 if ( typeof types === "object" ) {
5204                         // ( types-Object, selector, data )
5205                         if ( typeof selector !== "string" ) {
5206                                 // ( types-Object, data )
5207                                 data = data || selector;
5208                                 selector = undefined;
5209                         }
5210                         for ( type in types ) {
5211                                 this.on( type, selector, data, types[ type ], one );
5212                         }
5213                         return this;
5214                 }
5216                 if ( data == null && fn == null ) {
5217                         // ( types, fn )
5218                         fn = selector;
5219                         data = selector = undefined;
5220                 } else if ( fn == null ) {
5221                         if ( typeof selector === "string" ) {
5222                                 // ( types, selector, fn )
5223                                 fn = data;
5224                                 data = undefined;
5225                         } else {
5226                                 // ( types, data, fn )
5227                                 fn = data;
5228                                 data = selector;
5229                                 selector = undefined;
5230                         }
5231                 }
5232                 if ( fn === false ) {
5233                         fn = returnFalse;
5234                 } else if ( !fn ) {
5235                         return this;
5236                 }
5238                 if ( one === 1 ) {
5239                         origFn = fn;
5240                         fn = function( event ) {
5241                                 // Can use an empty set, since event contains the info
5242                                 jQuery().off( event );
5243                                 return origFn.apply( this, arguments );
5244                         };
5245                         // Use same guid so caller can remove using origFn
5246                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5247                 }
5248                 return this.each( function() {
5249                         jQuery.event.add( this, types, fn, data, selector );
5250                 });
5251         },
5252         one: function( types, selector, data, fn ) {
5253                 return this.on( types, selector, data, fn, 1 );
5254         },
5255         off: function( types, selector, fn ) {
5256                 var handleObj, type;
5257                 if ( types && types.preventDefault && types.handleObj ) {
5258                         // ( event )  dispatched jQuery.Event
5259                         handleObj = types.handleObj;
5260                         jQuery( types.delegateTarget ).off(
5261                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5262                                 handleObj.selector,
5263                                 handleObj.handler
5264                         );
5265                         return this;
5266                 }
5267                 if ( typeof types === "object" ) {
5268                         // ( types-object [, selector] )
5269                         for ( type in types ) {
5270                                 this.off( type, selector, types[ type ] );
5271                         }
5272                         return this;
5273                 }
5274                 if ( selector === false || typeof selector === "function" ) {
5275                         // ( types [, fn] )
5276                         fn = selector;
5277                         selector = undefined;
5278                 }
5279                 if ( fn === false ) {
5280                         fn = returnFalse;
5281                 }
5282                 return this.each(function() {
5283                         jQuery.event.remove( this, types, fn, selector );
5284                 });
5285         },
5287         trigger: function( type, data ) {
5288                 return this.each(function() {
5289                         jQuery.event.trigger( type, data, this );
5290                 });
5291         },
5292         triggerHandler: function( type, data ) {
5293                 var elem = this[0];
5294                 if ( elem ) {
5295                         return jQuery.event.trigger( type, data, elem, true );
5296                 }
5297         }
5301 function createSafeFragment( document ) {
5302         var list = nodeNames.split( "|" ),
5303                 safeFrag = document.createDocumentFragment();
5305         if ( safeFrag.createElement ) {
5306                 while ( list.length ) {
5307                         safeFrag.createElement(
5308                                 list.pop()
5309                         );
5310                 }
5311         }
5312         return safeFrag;
5315 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5316                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5317         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5318         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5319         rleadingWhitespace = /^\s+/,
5320         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
5321         rtagName = /<([\w:]+)/,
5322         rtbody = /<tbody/i,
5323         rhtml = /<|&#?\w+;/,
5324         rnoInnerhtml = /<(?:script|style|link)/i,
5325         // checked="checked" or checked
5326         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5327         rscriptType = /^$|\/(?:java|ecma)script/i,
5328         rscriptTypeMasked = /^true\/(.*)/,
5329         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
5331         // We have to close these tags to support XHTML (#13200)
5332         wrapMap = {
5333                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
5334                 legend: [ 1, "<fieldset>", "</fieldset>" ],
5335                 area: [ 1, "<map>", "</map>" ],
5336                 param: [ 1, "<object>", "</object>" ],
5337                 thead: [ 1, "<table>", "</table>" ],
5338                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
5339                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
5340                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
5342                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
5343                 // unless wrapped in a div with non-breaking characters in front of it.
5344                 _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
5345         },
5346         safeFragment = createSafeFragment( document ),
5347         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
5349 wrapMap.optgroup = wrapMap.option;
5350 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
5351 wrapMap.th = wrapMap.td;
5353 function getAll( context, tag ) {
5354         var elems, elem,
5355                 i = 0,
5356                 found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) :
5357                         typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) :
5358                         undefined;
5360         if ( !found ) {
5361                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
5362                         if ( !tag || jQuery.nodeName( elem, tag ) ) {
5363                                 found.push( elem );
5364                         } else {
5365                                 jQuery.merge( found, getAll( elem, tag ) );
5366                         }
5367                 }
5368         }
5370         return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
5371                 jQuery.merge( [ context ], found ) :
5372                 found;
5375 // Used in buildFragment, fixes the defaultChecked property
5376 function fixDefaultChecked( elem ) {
5377         if ( rcheckableType.test( elem.type ) ) {
5378                 elem.defaultChecked = elem.checked;
5379         }
5382 // Support: IE<8
5383 // Manipulating tables requires a tbody
5384 function manipulationTarget( elem, content ) {
5385         return jQuery.nodeName( elem, "table" ) &&
5386                 jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
5388                 elem.getElementsByTagName("tbody")[0] ||
5389                         elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
5390                 elem;
5393 // Replace/restore the type attribute of script elements for safe DOM manipulation
5394 function disableScript( elem ) {
5395         elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
5396         return elem;
5398 function restoreScript( elem ) {
5399         var match = rscriptTypeMasked.exec( elem.type );
5400         if ( match ) {
5401                 elem.type = match[1];
5402         } else {
5403                 elem.removeAttribute("type");
5404         }
5405         return elem;
5408 // Mark scripts as having already been evaluated
5409 function setGlobalEval( elems, refElements ) {
5410         var elem,
5411                 i = 0;
5412         for ( ; (elem = elems[i]) != null; i++ ) {
5413                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
5414         }
5417 function cloneCopyEvent( src, dest ) {
5419         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
5420                 return;
5421         }
5423         var type, i, l,
5424                 oldData = jQuery._data( src ),
5425                 curData = jQuery._data( dest, oldData ),
5426                 events = oldData.events;
5428         if ( events ) {
5429                 delete curData.handle;
5430                 curData.events = {};
5432                 for ( type in events ) {
5433                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5434                                 jQuery.event.add( dest, type, events[ type ][ i ] );
5435                         }
5436                 }
5437         }
5439         // make the cloned public data object a copy from the original
5440         if ( curData.data ) {
5441                 curData.data = jQuery.extend( {}, curData.data );
5442         }
5445 function fixCloneNodeIssues( src, dest ) {
5446         var nodeName, e, data;
5448         // We do not need to do anything for non-Elements
5449         if ( dest.nodeType !== 1 ) {
5450                 return;
5451         }
5453         nodeName = dest.nodeName.toLowerCase();
5455         // IE6-8 copies events bound via attachEvent when using cloneNode.
5456         if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
5457                 data = jQuery._data( dest );
5459                 for ( e in data.events ) {
5460                         jQuery.removeEvent( dest, e, data.handle );
5461                 }
5463                 // Event data gets referenced instead of copied if the expando gets copied too
5464                 dest.removeAttribute( jQuery.expando );
5465         }
5467         // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
5468         if ( nodeName === "script" && dest.text !== src.text ) {
5469                 disableScript( dest ).text = src.text;
5470                 restoreScript( dest );
5472         // IE6-10 improperly clones children of object elements using classid.
5473         // IE10 throws NoModificationAllowedError if parent is null, #12132.
5474         } else if ( nodeName === "object" ) {
5475                 if ( dest.parentNode ) {
5476                         dest.outerHTML = src.outerHTML;
5477                 }
5479                 // This path appears unavoidable for IE9. When cloning an object
5480                 // element in IE9, the outerHTML strategy above is not sufficient.
5481                 // If the src has innerHTML and the destination does not,
5482                 // copy the src.innerHTML into the dest.innerHTML. #10324
5483                 if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
5484                         dest.innerHTML = src.innerHTML;
5485                 }
5487         } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5488                 // IE6-8 fails to persist the checked state of a cloned checkbox
5489                 // or radio button. Worse, IE6-7 fail to give the cloned element
5490                 // a checked appearance if the defaultChecked value isn't also set
5492                 dest.defaultChecked = dest.checked = src.checked;
5494                 // IE6-7 get confused and end up setting the value of a cloned
5495                 // checkbox/radio button to an empty string instead of "on"
5496                 if ( dest.value !== src.value ) {
5497                         dest.value = src.value;
5498                 }
5500         // IE6-8 fails to return the selected option to the default selected
5501         // state when cloning options
5502         } else if ( nodeName === "option" ) {
5503                 dest.defaultSelected = dest.selected = src.defaultSelected;
5505         // IE6-8 fails to set the defaultValue to the correct value when
5506         // cloning other types of input fields
5507         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5508                 dest.defaultValue = src.defaultValue;
5509         }
5512 jQuery.extend({
5513         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5514                 var destElements, node, clone, i, srcElements,
5515                         inPage = jQuery.contains( elem.ownerDocument, elem );
5517                 if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
5518                         clone = elem.cloneNode( true );
5520                 // IE<=8 does not properly clone detached, unknown element nodes
5521                 } else {
5522                         fragmentDiv.innerHTML = elem.outerHTML;
5523                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
5524                 }
5526                 if ( (!support.noCloneEvent || !support.noCloneChecked) &&
5527                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
5529                         // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
5530                         destElements = getAll( clone );
5531                         srcElements = getAll( elem );
5533                         // Fix all IE cloning issues
5534                         for ( i = 0; (node = srcElements[i]) != null; ++i ) {
5535                                 // Ensure that the destination node is not null; Fixes #9587
5536                                 if ( destElements[i] ) {
5537                                         fixCloneNodeIssues( node, destElements[i] );
5538                                 }
5539                         }
5540                 }
5542                 // Copy the events from the original to the clone
5543                 if ( dataAndEvents ) {
5544                         if ( deepDataAndEvents ) {
5545                                 srcElements = srcElements || getAll( elem );
5546                                 destElements = destElements || getAll( clone );
5548                                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
5549                                         cloneCopyEvent( node, destElements[i] );
5550                                 }
5551                         } else {
5552                                 cloneCopyEvent( elem, clone );
5553                         }
5554                 }
5556                 // Preserve script evaluation history
5557                 destElements = getAll( clone, "script" );
5558                 if ( destElements.length > 0 ) {
5559                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5560                 }
5562                 destElements = srcElements = node = null;
5564                 // Return the cloned set
5565                 return clone;
5566         },
5568         buildFragment: function( elems, context, scripts, selection ) {
5569                 var j, elem, contains,
5570                         tmp, tag, tbody, wrap,
5571                         l = elems.length,
5573                         // Ensure a safe fragment
5574                         safe = createSafeFragment( context ),
5576                         nodes = [],
5577                         i = 0;
5579                 for ( ; i < l; i++ ) {
5580                         elem = elems[ i ];
5582                         if ( elem || elem === 0 ) {
5584                                 // Add nodes directly
5585                                 if ( jQuery.type( elem ) === "object" ) {
5586                                         jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5588                                 // Convert non-html into a text node
5589                                 } else if ( !rhtml.test( elem ) ) {
5590                                         nodes.push( context.createTextNode( elem ) );
5592                                 // Convert html into DOM nodes
5593                                 } else {
5594                                         tmp = tmp || safe.appendChild( context.createElement("div") );
5596                                         // Deserialize a standard representation
5597                                         tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase();
5598                                         wrap = wrapMap[ tag ] || wrapMap._default;
5600                                         tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
5602                                         // Descend through wrappers to the right content
5603                                         j = wrap[0];
5604                                         while ( j-- ) {
5605                                                 tmp = tmp.lastChild;
5606                                         }
5608                                         // Manually add leading whitespace removed by IE
5609                                         if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
5610                                                 nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
5611                                         }
5613                                         // Remove IE's autoinserted <tbody> from table fragments
5614                                         if ( !support.tbody ) {
5616                                                 // String was a <table>, *may* have spurious <tbody>
5617                                                 elem = tag === "table" && !rtbody.test( elem ) ?
5618                                                         tmp.firstChild :
5620                                                         // String was a bare <thead> or <tfoot>
5621                                                         wrap[1] === "<table>" && !rtbody.test( elem ) ?
5622                                                                 tmp :
5623                                                                 0;
5625                                                 j = elem && elem.childNodes.length;
5626                                                 while ( j-- ) {
5627                                                         if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
5628                                                                 elem.removeChild( tbody );
5629                                                         }
5630                                                 }
5631                                         }
5633                                         jQuery.merge( nodes, tmp.childNodes );
5635                                         // Fix #12392 for WebKit and IE > 9
5636                                         tmp.textContent = "";
5638                                         // Fix #12392 for oldIE
5639                                         while ( tmp.firstChild ) {
5640                                                 tmp.removeChild( tmp.firstChild );
5641                                         }
5643                                         // Remember the top-level container for proper cleanup
5644                                         tmp = safe.lastChild;
5645                                 }
5646                         }
5647                 }
5649                 // Fix #11356: Clear elements from fragment
5650                 if ( tmp ) {
5651                         safe.removeChild( tmp );
5652                 }
5654                 // Reset defaultChecked for any radios and checkboxes
5655                 // about to be appended to the DOM in IE 6/7 (#8060)
5656                 if ( !support.appendChecked ) {
5657                         jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
5658                 }
5660                 i = 0;
5661                 while ( (elem = nodes[ i++ ]) ) {
5663                         // #4087 - If origin and destination elements are the same, and this is
5664                         // that element, do not do anything
5665                         if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
5666                                 continue;
5667                         }
5669                         contains = jQuery.contains( elem.ownerDocument, elem );
5671                         // Append to fragment
5672                         tmp = getAll( safe.appendChild( elem ), "script" );
5674                         // Preserve script evaluation history
5675                         if ( contains ) {
5676                                 setGlobalEval( tmp );
5677                         }
5679                         // Capture executables
5680                         if ( scripts ) {
5681                                 j = 0;
5682                                 while ( (elem = tmp[ j++ ]) ) {
5683                                         if ( rscriptType.test( elem.type || "" ) ) {
5684                                                 scripts.push( elem );
5685                                         }
5686                                 }
5687                         }
5688                 }
5690                 tmp = null;
5692                 return safe;
5693         },
5695         cleanData: function( elems, /* internal */ acceptData ) {
5696                 var elem, type, id, data,
5697                         i = 0,
5698                         internalKey = jQuery.expando,
5699                         cache = jQuery.cache,
5700                         deleteExpando = support.deleteExpando,
5701                         special = jQuery.event.special;
5703                 for ( ; (elem = elems[i]) != null; i++ ) {
5704                         if ( acceptData || jQuery.acceptData( elem ) ) {
5706                                 id = elem[ internalKey ];
5707                                 data = id && cache[ id ];
5709                                 if ( data ) {
5710                                         if ( data.events ) {
5711                                                 for ( type in data.events ) {
5712                                                         if ( special[ type ] ) {
5713                                                                 jQuery.event.remove( elem, type );
5715                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
5716                                                         } else {
5717                                                                 jQuery.removeEvent( elem, type, data.handle );
5718                                                         }
5719                                                 }
5720                                         }
5722                                         // Remove cache only if it was not already removed by jQuery.event.remove
5723                                         if ( cache[ id ] ) {
5725                                                 delete cache[ id ];
5727                                                 // IE does not allow us to delete expando properties from nodes,
5728                                                 // nor does it have a removeAttribute function on Document nodes;
5729                                                 // we must handle all of these cases
5730                                                 if ( deleteExpando ) {
5731                                                         delete elem[ internalKey ];
5733                                                 } else if ( typeof elem.removeAttribute !== strundefined ) {
5734                                                         elem.removeAttribute( internalKey );
5736                                                 } else {
5737                                                         elem[ internalKey ] = null;
5738                                                 }
5740                                                 deletedIds.push( id );
5741                                         }
5742                                 }
5743                         }
5744                 }
5745         }
5748 jQuery.fn.extend({
5749         text: function( value ) {
5750                 return access( this, function( value ) {
5751                         return value === undefined ?
5752                                 jQuery.text( this ) :
5753                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
5754                 }, null, value, arguments.length );
5755         },
5757         append: function() {
5758                 return this.domManip( arguments, function( elem ) {
5759                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5760                                 var target = manipulationTarget( this, elem );
5761                                 target.appendChild( elem );
5762                         }
5763                 });
5764         },
5766         prepend: function() {
5767                 return this.domManip( arguments, function( elem ) {
5768                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5769                                 var target = manipulationTarget( this, elem );
5770                                 target.insertBefore( elem, target.firstChild );
5771                         }
5772                 });
5773         },
5775         before: function() {
5776                 return this.domManip( arguments, function( elem ) {
5777                         if ( this.parentNode ) {
5778                                 this.parentNode.insertBefore( elem, this );
5779                         }
5780                 });
5781         },
5783         after: function() {
5784                 return this.domManip( arguments, function( elem ) {
5785                         if ( this.parentNode ) {
5786                                 this.parentNode.insertBefore( elem, this.nextSibling );
5787                         }
5788                 });
5789         },
5791         remove: function( selector, keepData /* Internal Use Only */ ) {
5792                 var elem,
5793                         elems = selector ? jQuery.filter( selector, this ) : this,
5794                         i = 0;
5796                 for ( ; (elem = elems[i]) != null; i++ ) {
5798                         if ( !keepData && elem.nodeType === 1 ) {
5799                                 jQuery.cleanData( getAll( elem ) );
5800                         }
5802                         if ( elem.parentNode ) {
5803                                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
5804                                         setGlobalEval( getAll( elem, "script" ) );
5805                                 }
5806                                 elem.parentNode.removeChild( elem );
5807                         }
5808                 }
5810                 return this;
5811         },
5813         empty: function() {
5814                 var elem,
5815                         i = 0;
5817                 for ( ; (elem = this[i]) != null; i++ ) {
5818                         // Remove element nodes and prevent memory leaks
5819                         if ( elem.nodeType === 1 ) {
5820                                 jQuery.cleanData( getAll( elem, false ) );
5821                         }
5823                         // Remove any remaining nodes
5824                         while ( elem.firstChild ) {
5825                                 elem.removeChild( elem.firstChild );
5826                         }
5828                         // If this is a select, ensure that it displays empty (#12336)
5829                         // Support: IE<9
5830                         if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
5831                                 elem.options.length = 0;
5832                         }
5833                 }
5835                 return this;
5836         },
5838         clone: function( dataAndEvents, deepDataAndEvents ) {
5839                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5840                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5842                 return this.map(function() {
5843                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5844                 });
5845         },
5847         html: function( value ) {
5848                 return access( this, function( value ) {
5849                         var elem = this[ 0 ] || {},
5850                                 i = 0,
5851                                 l = this.length;
5853                         if ( value === undefined ) {
5854                                 return elem.nodeType === 1 ?
5855                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
5856                                         undefined;
5857                         }
5859                         // See if we can take a shortcut and just use innerHTML
5860                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5861                                 ( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
5862                                 ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
5863                                 !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) {
5865                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
5867                                 try {
5868                                         for (; i < l; i++ ) {
5869                                                 // Remove element nodes and prevent memory leaks
5870                                                 elem = this[i] || {};
5871                                                 if ( elem.nodeType === 1 ) {
5872                                                         jQuery.cleanData( getAll( elem, false ) );
5873                                                         elem.innerHTML = value;
5874                                                 }
5875                                         }
5877                                         elem = 0;
5879                                 // If using innerHTML throws an exception, use the fallback method
5880                                 } catch(e) {}
5881                         }
5883                         if ( elem ) {
5884                                 this.empty().append( value );
5885                         }
5886                 }, null, value, arguments.length );
5887         },
5889         replaceWith: function() {
5890                 var arg = arguments[ 0 ];
5892                 // Make the changes, replacing each context element with the new content
5893                 this.domManip( arguments, function( elem ) {
5894                         arg = this.parentNode;
5896                         jQuery.cleanData( getAll( this ) );
5898                         if ( arg ) {
5899                                 arg.replaceChild( elem, this );
5900                         }
5901                 });
5903                 // Force removal if there was no new content (e.g., from empty arguments)
5904                 return arg && (arg.length || arg.nodeType) ? this : this.remove();
5905         },
5907         detach: function( selector ) {
5908                 return this.remove( selector, true );
5909         },
5911         domManip: function( args, callback ) {
5913                 // Flatten any nested arrays
5914                 args = concat.apply( [], args );
5916                 var first, node, hasScripts,
5917                         scripts, doc, fragment,
5918                         i = 0,
5919                         l = this.length,
5920                         set = this,
5921                         iNoClone = l - 1,
5922                         value = args[0],
5923                         isFunction = jQuery.isFunction( value );
5925                 // We can't cloneNode fragments that contain checked, in WebKit
5926                 if ( isFunction ||
5927                                 ( l > 1 && typeof value === "string" &&
5928                                         !support.checkClone && rchecked.test( value ) ) ) {
5929                         return this.each(function( index ) {
5930                                 var self = set.eq( index );
5931                                 if ( isFunction ) {
5932                                         args[0] = value.call( this, index, self.html() );
5933                                 }
5934                                 self.domManip( args, callback );
5935                         });
5936                 }
5938                 if ( l ) {
5939                         fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
5940                         first = fragment.firstChild;
5942                         if ( fragment.childNodes.length === 1 ) {
5943                                 fragment = first;
5944                         }
5946                         if ( first ) {
5947                                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5948                                 hasScripts = scripts.length;
5950                                 // Use the original fragment for the last item instead of the first because it can end up
5951                                 // being emptied incorrectly in certain situations (#8070).
5952                                 for ( ; i < l; i++ ) {
5953                                         node = fragment;
5955                                         if ( i !== iNoClone ) {
5956                                                 node = jQuery.clone( node, true, true );
5958                                                 // Keep references to cloned scripts for later restoration
5959                                                 if ( hasScripts ) {
5960                                                         jQuery.merge( scripts, getAll( node, "script" ) );
5961                                                 }
5962                                         }
5964                                         callback.call( this[i], node, i );
5965                                 }
5967                                 if ( hasScripts ) {
5968                                         doc = scripts[ scripts.length - 1 ].ownerDocument;
5970                                         // Reenable scripts
5971                                         jQuery.map( scripts, restoreScript );
5973                                         // Evaluate executable scripts on first document insertion
5974                                         for ( i = 0; i < hasScripts; i++ ) {
5975                                                 node = scripts[ i ];
5976                                                 if ( rscriptType.test( node.type || "" ) &&
5977                                                         !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
5979                                                         if ( node.src ) {
5980                                                                 // Optional AJAX dependency, but won't run scripts if not present
5981                                                                 if ( jQuery._evalUrl ) {
5982                                                                         jQuery._evalUrl( node.src );
5983                                                                 }
5984                                                         } else {
5985                                                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
5986                                                         }
5987                                                 }
5988                                         }
5989                                 }
5991                                 // Fix #11809: Avoid leaking memory
5992                                 fragment = first = null;
5993                         }
5994                 }
5996                 return this;
5997         }
6000 jQuery.each({
6001         appendTo: "append",
6002         prependTo: "prepend",
6003         insertBefore: "before",
6004         insertAfter: "after",
6005         replaceAll: "replaceWith"
6006 }, function( name, original ) {
6007         jQuery.fn[ name ] = function( selector ) {
6008                 var elems,
6009                         i = 0,
6010                         ret = [],
6011                         insert = jQuery( selector ),
6012                         last = insert.length - 1;
6014                 for ( ; i <= last; i++ ) {
6015                         elems = i === last ? this : this.clone(true);
6016                         jQuery( insert[i] )[ original ]( elems );
6018                         // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
6019                         push.apply( ret, elems.get() );
6020                 }
6022                 return this.pushStack( ret );
6023         };
6027 var iframe,
6028         elemdisplay = {};
6031  * Retrieve the actual display of a element
6032  * @param {String} name nodeName of the element
6033  * @param {Object} doc Document object
6034  */
6035 // Called only from within defaultDisplay
6036 function actualDisplay( name, doc ) {
6037         var style,
6038                 elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
6040                 // getDefaultComputedStyle might be reliably used only on attached element
6041                 display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
6043                         // Use of this method is a temporary fix (more like optmization) until something better comes along,
6044                         // since it was removed from specification and supported only in FF
6045                         style.display : jQuery.css( elem[ 0 ], "display" );
6047         // We don't have any data stored on the element,
6048         // so use "detach" method as fast way to get rid of the element
6049         elem.detach();
6051         return display;
6055  * Try to determine the default display value of an element
6056  * @param {String} nodeName
6057  */
6058 function defaultDisplay( nodeName ) {
6059         var doc = document,
6060                 display = elemdisplay[ nodeName ];
6062         if ( !display ) {
6063                 display = actualDisplay( nodeName, doc );
6065                 // If the simple way fails, read from inside an iframe
6066                 if ( display === "none" || !display ) {
6068                         // Use the already-created iframe if possible
6069                         iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
6071                         // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
6072                         doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
6074                         // Support: IE
6075                         doc.write();
6076                         doc.close();
6078                         display = actualDisplay( nodeName, doc );
6079                         iframe.detach();
6080                 }
6082                 // Store the correct default display
6083                 elemdisplay[ nodeName ] = display;
6084         }
6086         return display;
6090 (function() {
6091         var shrinkWrapBlocksVal;
6093         support.shrinkWrapBlocks = function() {
6094                 if ( shrinkWrapBlocksVal != null ) {
6095                         return shrinkWrapBlocksVal;
6096                 }
6098                 // Will be changed later if needed.
6099                 shrinkWrapBlocksVal = false;
6101                 // Minified: var b,c,d
6102                 var div, body, container;
6104                 body = document.getElementsByTagName( "body" )[ 0 ];
6105                 if ( !body || !body.style ) {
6106                         // Test fired too early or in an unsupported environment, exit.
6107                         return;
6108                 }
6110                 // Setup
6111                 div = document.createElement( "div" );
6112                 container = document.createElement( "div" );
6113                 container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6114                 body.appendChild( container ).appendChild( div );
6116                 // Support: IE6
6117                 // Check if elements with layout shrink-wrap their children
6118                 if ( typeof div.style.zoom !== strundefined ) {
6119                         // Reset CSS: box-sizing; display; margin; border
6120                         div.style.cssText =
6121                                 // Support: Firefox<29, Android 2.3
6122                                 // Vendor-prefix box-sizing
6123                                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6124                                 "box-sizing:content-box;display:block;margin:0;border:0;" +
6125                                 "padding:1px;width:1px;zoom:1";
6126                         div.appendChild( document.createElement( "div" ) ).style.width = "5px";
6127                         shrinkWrapBlocksVal = div.offsetWidth !== 3;
6128                 }
6130                 body.removeChild( container );
6132                 return shrinkWrapBlocksVal;
6133         };
6135 })();
6136 var rmargin = (/^margin/);
6138 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6142 var getStyles, curCSS,
6143         rposition = /^(top|right|bottom|left)$/;
6145 if ( window.getComputedStyle ) {
6146         getStyles = function( elem ) {
6147                 // Support: IE<=11+, Firefox<=30+ (#15098, #14150)
6148                 // IE throws on elements created in popups
6149                 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6150                 if ( elem.ownerDocument.defaultView.opener ) {
6151                         return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
6152                 }
6154                 return window.getComputedStyle( elem, null );
6155         };
6157         curCSS = function( elem, name, computed ) {
6158                 var width, minWidth, maxWidth, ret,
6159                         style = elem.style;
6161                 computed = computed || getStyles( elem );
6163                 // getPropertyValue is only needed for .css('filter') in IE9, see #12537
6164                 ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
6166                 if ( computed ) {
6168                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6169                                 ret = jQuery.style( elem, name );
6170                         }
6172                         // A tribute to the "awesome hack by Dean Edwards"
6173                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
6174                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
6175                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
6176                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6178                                 // Remember the original values
6179                                 width = style.width;
6180                                 minWidth = style.minWidth;
6181                                 maxWidth = style.maxWidth;
6183                                 // Put in the new values to get a computed value out
6184                                 style.minWidth = style.maxWidth = style.width = ret;
6185                                 ret = computed.width;
6187                                 // Revert the changed values
6188                                 style.width = width;
6189                                 style.minWidth = minWidth;
6190                                 style.maxWidth = maxWidth;
6191                         }
6192                 }
6194                 // Support: IE
6195                 // IE returns zIndex value as an integer.
6196                 return ret === undefined ?
6197                         ret :
6198                         ret + "";
6199         };
6200 } else if ( document.documentElement.currentStyle ) {
6201         getStyles = function( elem ) {
6202                 return elem.currentStyle;
6203         };
6205         curCSS = function( elem, name, computed ) {
6206                 var left, rs, rsLeft, ret,
6207                         style = elem.style;
6209                 computed = computed || getStyles( elem );
6210                 ret = computed ? computed[ name ] : undefined;
6212                 // Avoid setting ret to empty string here
6213                 // so we don't default to auto
6214                 if ( ret == null && style && style[ name ] ) {
6215                         ret = style[ name ];
6216                 }
6218                 // From the awesome hack by Dean Edwards
6219                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
6221                 // If we're not dealing with a regular pixel number
6222                 // but a number that has a weird ending, we need to convert it to pixels
6223                 // but not position css attributes, as those are proportional to the parent element instead
6224                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
6225                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
6227                         // Remember the original values
6228                         left = style.left;
6229                         rs = elem.runtimeStyle;
6230                         rsLeft = rs && rs.left;
6232                         // Put in the new values to get a computed value out
6233                         if ( rsLeft ) {
6234                                 rs.left = elem.currentStyle.left;
6235                         }
6236                         style.left = name === "fontSize" ? "1em" : ret;
6237                         ret = style.pixelLeft + "px";
6239                         // Revert the changed values
6240                         style.left = left;
6241                         if ( rsLeft ) {
6242                                 rs.left = rsLeft;
6243                         }
6244                 }
6246                 // Support: IE
6247                 // IE returns zIndex value as an integer.
6248                 return ret === undefined ?
6249                         ret :
6250                         ret + "" || "auto";
6251         };
6257 function addGetHookIf( conditionFn, hookFn ) {
6258         // Define the hook, we'll check on the first run if it's really needed.
6259         return {
6260                 get: function() {
6261                         var condition = conditionFn();
6263                         if ( condition == null ) {
6264                                 // The test was not ready at this point; screw the hook this time
6265                                 // but check again when needed next time.
6266                                 return;
6267                         }
6269                         if ( condition ) {
6270                                 // Hook not needed (or it's not possible to use it due to missing dependency),
6271                                 // remove it.
6272                                 // Since there are no other hooks for marginRight, remove the whole object.
6273                                 delete this.get;
6274                                 return;
6275                         }
6277                         // Hook needed; redefine it so that the support test is not executed again.
6279                         return (this.get = hookFn).apply( this, arguments );
6280                 }
6281         };
6285 (function() {
6286         // Minified: var b,c,d,e,f,g, h,i
6287         var div, style, a, pixelPositionVal, boxSizingReliableVal,
6288                 reliableHiddenOffsetsVal, reliableMarginRightVal;
6290         // Setup
6291         div = document.createElement( "div" );
6292         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6293         a = div.getElementsByTagName( "a" )[ 0 ];
6294         style = a && a.style;
6296         // Finish early in limited (non-browser) environments
6297         if ( !style ) {
6298                 return;
6299         }
6301         style.cssText = "float:left;opacity:.5";
6303         // Support: IE<9
6304         // Make sure that element opacity exists (as opposed to filter)
6305         support.opacity = style.opacity === "0.5";
6307         // Verify style float existence
6308         // (IE uses styleFloat instead of cssFloat)
6309         support.cssFloat = !!style.cssFloat;
6311         div.style.backgroundClip = "content-box";
6312         div.cloneNode( true ).style.backgroundClip = "";
6313         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6315         // Support: Firefox<29, Android 2.3
6316         // Vendor-prefix box-sizing
6317         support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" ||
6318                 style.WebkitBoxSizing === "";
6320         jQuery.extend(support, {
6321                 reliableHiddenOffsets: function() {
6322                         if ( reliableHiddenOffsetsVal == null ) {
6323                                 computeStyleTests();
6324                         }
6325                         return reliableHiddenOffsetsVal;
6326                 },
6328                 boxSizingReliable: function() {
6329                         if ( boxSizingReliableVal == null ) {
6330                                 computeStyleTests();
6331                         }
6332                         return boxSizingReliableVal;
6333                 },
6335                 pixelPosition: function() {
6336                         if ( pixelPositionVal == null ) {
6337                                 computeStyleTests();
6338                         }
6339                         return pixelPositionVal;
6340                 },
6342                 // Support: Android 2.3
6343                 reliableMarginRight: function() {
6344                         if ( reliableMarginRightVal == null ) {
6345                                 computeStyleTests();
6346                         }
6347                         return reliableMarginRightVal;
6348                 }
6349         });
6351         function computeStyleTests() {
6352                 // Minified: var b,c,d,j
6353                 var div, body, container, contents;
6355                 body = document.getElementsByTagName( "body" )[ 0 ];
6356                 if ( !body || !body.style ) {
6357                         // Test fired too early or in an unsupported environment, exit.
6358                         return;
6359                 }
6361                 // Setup
6362                 div = document.createElement( "div" );
6363                 container = document.createElement( "div" );
6364                 container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6365                 body.appendChild( container ).appendChild( div );
6367                 div.style.cssText =
6368                         // Support: Firefox<29, Android 2.3
6369                         // Vendor-prefix box-sizing
6370                         "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
6371                         "box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
6372                         "border:1px;padding:1px;width:4px;position:absolute";
6374                 // Support: IE<9
6375                 // Assume reasonable values in the absence of getComputedStyle
6376                 pixelPositionVal = boxSizingReliableVal = false;
6377                 reliableMarginRightVal = true;
6379                 // Check for getComputedStyle so that this code is not run in IE<9.
6380                 if ( window.getComputedStyle ) {
6381                         pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
6382                         boxSizingReliableVal =
6383                                 ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
6385                         // Support: Android 2.3
6386                         // Div with explicit width and no margin-right incorrectly
6387                         // gets computed margin-right based on width of container (#3333)
6388                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6389                         contents = div.appendChild( document.createElement( "div" ) );
6391                         // Reset CSS: box-sizing; display; margin; border; padding
6392                         contents.style.cssText = div.style.cssText =
6393                                 // Support: Firefox<29, Android 2.3
6394                                 // Vendor-prefix box-sizing
6395                                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6396                                 "box-sizing:content-box;display:block;margin:0;border:0;padding:0";
6397                         contents.style.marginRight = contents.style.width = "0";
6398                         div.style.width = "1px";
6400                         reliableMarginRightVal =
6401                                 !parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );
6403                         div.removeChild( contents );
6404                 }
6406                 // Support: IE8
6407                 // Check if table cells still have offsetWidth/Height when they are set
6408                 // to display:none and there are still other visible table cells in a
6409                 // table row; if so, offsetWidth/Height are not reliable for use when
6410                 // determining if an element has been hidden directly using
6411                 // display:none (it is still safe to use offsets if a parent element is
6412                 // hidden; don safety goggles and see bug #4512 for more information).
6413                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
6414                 contents = div.getElementsByTagName( "td" );
6415                 contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
6416                 reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6417                 if ( reliableHiddenOffsetsVal ) {
6418                         contents[ 0 ].style.display = "";
6419                         contents[ 1 ].style.display = "none";
6420                         reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6421                 }
6423                 body.removeChild( container );
6424         }
6426 })();
6429 // A method for quickly swapping in/out CSS properties to get correct calculations.
6430 jQuery.swap = function( elem, options, callback, args ) {
6431         var ret, name,
6432                 old = {};
6434         // Remember the old values, and insert the new ones
6435         for ( name in options ) {
6436                 old[ name ] = elem.style[ name ];
6437                 elem.style[ name ] = options[ name ];
6438         }
6440         ret = callback.apply( elem, args || [] );
6442         // Revert the old values
6443         for ( name in options ) {
6444                 elem.style[ name ] = old[ name ];
6445         }
6447         return ret;
6452                 ralpha = /alpha\([^)]*\)/i,
6453         ropacity = /opacity\s*=\s*([^)]*)/,
6455         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6456         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6457         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6458         rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
6459         rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
6461         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6462         cssNormalTransform = {
6463                 letterSpacing: "0",
6464                 fontWeight: "400"
6465         },
6467         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6470 // return a css property mapped to a potentially vendor prefixed property
6471 function vendorPropName( style, name ) {
6473         // shortcut for names that are not vendor prefixed
6474         if ( name in style ) {
6475                 return name;
6476         }
6478         // check for vendor prefixed names
6479         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6480                 origName = name,
6481                 i = cssPrefixes.length;
6483         while ( i-- ) {
6484                 name = cssPrefixes[ i ] + capName;
6485                 if ( name in style ) {
6486                         return name;
6487                 }
6488         }
6490         return origName;
6493 function showHide( elements, show ) {
6494         var display, elem, hidden,
6495                 values = [],
6496                 index = 0,
6497                 length = elements.length;
6499         for ( ; index < length; index++ ) {
6500                 elem = elements[ index ];
6501                 if ( !elem.style ) {
6502                         continue;
6503                 }
6505                 values[ index ] = jQuery._data( elem, "olddisplay" );
6506                 display = elem.style.display;
6507                 if ( show ) {
6508                         // Reset the inline display of this element to learn if it is
6509                         // being hidden by cascaded rules or not
6510                         if ( !values[ index ] && display === "none" ) {
6511                                 elem.style.display = "";
6512                         }
6514                         // Set elements which have been overridden with display: none
6515                         // in a stylesheet to whatever the default browser style is
6516                         // for such an element
6517                         if ( elem.style.display === "" && isHidden( elem ) ) {
6518                                 values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
6519                         }
6520                 } else {
6521                         hidden = isHidden( elem );
6523                         if ( display && display !== "none" || !hidden ) {
6524                                 jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6525                         }
6526                 }
6527         }
6529         // Set the display of most of the elements in a second loop
6530         // to avoid the constant reflow
6531         for ( index = 0; index < length; index++ ) {
6532                 elem = elements[ index ];
6533                 if ( !elem.style ) {
6534                         continue;
6535                 }
6536                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6537                         elem.style.display = show ? values[ index ] || "" : "none";
6538                 }
6539         }
6541         return elements;
6544 function setPositiveNumber( elem, value, subtract ) {
6545         var matches = rnumsplit.exec( value );
6546         return matches ?
6547                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6548                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
6549                 value;
6552 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6553         var i = extra === ( isBorderBox ? "border" : "content" ) ?
6554                 // If we already have the right measurement, avoid augmentation
6555                 4 :
6556                 // Otherwise initialize for horizontal or vertical properties
6557                 name === "width" ? 1 : 0,
6559                 val = 0;
6561         for ( ; i < 4; i += 2 ) {
6562                 // both box models exclude margin, so add it if we want it
6563                 if ( extra === "margin" ) {
6564                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6565                 }
6567                 if ( isBorderBox ) {
6568                         // border-box includes padding, so remove it if we want content
6569                         if ( extra === "content" ) {
6570                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6571                         }
6573                         // at this point, extra isn't border nor margin, so remove border
6574                         if ( extra !== "margin" ) {
6575                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6576                         }
6577                 } else {
6578                         // at this point, extra isn't content, so add padding
6579                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6581                         // at this point, extra isn't content nor padding, so add border
6582                         if ( extra !== "padding" ) {
6583                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6584                         }
6585                 }
6586         }
6588         return val;
6591 function getWidthOrHeight( elem, name, extra ) {
6593         // Start with offset property, which is equivalent to the border-box value
6594         var valueIsBorderBox = true,
6595                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
6596                 styles = getStyles( elem ),
6597                 isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6599         // some non-html elements return undefined for offsetWidth, so check for null/undefined
6600         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6601         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6602         if ( val <= 0 || val == null ) {
6603                 // Fall back to computed then uncomputed css if necessary
6604                 val = curCSS( elem, name, styles );
6605                 if ( val < 0 || val == null ) {
6606                         val = elem.style[ name ];
6607                 }
6609                 // Computed unit is not pixels. Stop here and return.
6610                 if ( rnumnonpx.test(val) ) {
6611                         return val;
6612                 }
6614                 // we need the check for style in case a browser which returns unreliable values
6615                 // for getComputedStyle silently falls back to the reliable elem.style
6616                 valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
6618                 // Normalize "", auto, and prepare for extra
6619                 val = parseFloat( val ) || 0;
6620         }
6622         // use the active box-sizing model to add/subtract irrelevant styles
6623         return ( val +
6624                 augmentWidthOrHeight(
6625                         elem,
6626                         name,
6627                         extra || ( isBorderBox ? "border" : "content" ),
6628                         valueIsBorderBox,
6629                         styles
6630                 )
6631         ) + "px";
6634 jQuery.extend({
6635         // Add in style property hooks for overriding the default
6636         // behavior of getting and setting a style property
6637         cssHooks: {
6638                 opacity: {
6639                         get: function( elem, computed ) {
6640                                 if ( computed ) {
6641                                         // We should always get a number back from opacity
6642                                         var ret = curCSS( elem, "opacity" );
6643                                         return ret === "" ? "1" : ret;
6644                                 }
6645                         }
6646                 }
6647         },
6649         // Don't automatically add "px" to these possibly-unitless properties
6650         cssNumber: {
6651                 "columnCount": true,
6652                 "fillOpacity": true,
6653                 "flexGrow": true,
6654                 "flexShrink": true,
6655                 "fontWeight": true,
6656                 "lineHeight": true,
6657                 "opacity": true,
6658                 "order": true,
6659                 "orphans": true,
6660                 "widows": true,
6661                 "zIndex": true,
6662                 "zoom": true
6663         },
6665         // Add in properties whose names you wish to fix before
6666         // setting or getting the value
6667         cssProps: {
6668                 // normalize float css property
6669                 "float": support.cssFloat ? "cssFloat" : "styleFloat"
6670         },
6672         // Get and set the style property on a DOM Node
6673         style: function( elem, name, value, extra ) {
6674                 // Don't set styles on text and comment nodes
6675                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6676                         return;
6677                 }
6679                 // Make sure that we're working with the right name
6680                 var ret, type, hooks,
6681                         origName = jQuery.camelCase( name ),
6682                         style = elem.style;
6684                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6686                 // gets hook for the prefixed version
6687                 // followed by the unprefixed version
6688                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6690                 // Check if we're setting a value
6691                 if ( value !== undefined ) {
6692                         type = typeof value;
6694                         // convert relative number strings (+= or -=) to relative numbers. #7345
6695                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
6696                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
6697                                 // Fixes bug #9237
6698                                 type = "number";
6699                         }
6701                         // Make sure that null and NaN values aren't set. See: #7116
6702                         if ( value == null || value !== value ) {
6703                                 return;
6704                         }
6706                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
6707                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
6708                                 value += "px";
6709                         }
6711                         // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
6712                         // but it would mean to define eight (for every problematic property) identical functions
6713                         if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
6714                                 style[ name ] = "inherit";
6715                         }
6717                         // If a hook was provided, use that value, otherwise just set the specified value
6718                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
6720                                 // Support: IE
6721                                 // Swallow errors from 'invalid' CSS values (#5509)
6722                                 try {
6723                                         style[ name ] = value;
6724                                 } catch(e) {}
6725                         }
6727                 } else {
6728                         // If a hook was provided get the non-computed value from there
6729                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
6730                                 return ret;
6731                         }
6733                         // Otherwise just get the value from the style object
6734                         return style[ name ];
6735                 }
6736         },
6738         css: function( elem, name, extra, styles ) {
6739                 var num, val, hooks,
6740                         origName = jQuery.camelCase( name );
6742                 // Make sure that we're working with the right name
6743                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
6745                 // gets hook for the prefixed version
6746                 // followed by the unprefixed version
6747                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6749                 // If a hook was provided get the computed value from there
6750                 if ( hooks && "get" in hooks ) {
6751                         val = hooks.get( elem, true, extra );
6752                 }
6754                 // Otherwise, if a way to get the computed value exists, use that
6755                 if ( val === undefined ) {
6756                         val = curCSS( elem, name, styles );
6757                 }
6759                 //convert "normal" to computed value
6760                 if ( val === "normal" && name in cssNormalTransform ) {
6761                         val = cssNormalTransform[ name ];
6762                 }
6764                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
6765                 if ( extra === "" || extra ) {
6766                         num = parseFloat( val );
6767                         return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
6768                 }
6769                 return val;
6770         }
6773 jQuery.each([ "height", "width" ], function( i, name ) {
6774         jQuery.cssHooks[ name ] = {
6775                 get: function( elem, computed, extra ) {
6776                         if ( computed ) {
6777                                 // certain elements can have dimension info if we invisibly show them
6778                                 // however, it must have a current display style that would benefit from this
6779                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ?
6780                                         jQuery.swap( elem, cssShow, function() {
6781                                                 return getWidthOrHeight( elem, name, extra );
6782                                         }) :
6783                                         getWidthOrHeight( elem, name, extra );
6784                         }
6785                 },
6787                 set: function( elem, value, extra ) {
6788                         var styles = extra && getStyles( elem );
6789                         return setPositiveNumber( elem, value, extra ?
6790                                 augmentWidthOrHeight(
6791                                         elem,
6792                                         name,
6793                                         extra,
6794                                         support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6795                                         styles
6796                                 ) : 0
6797                         );
6798                 }
6799         };
6802 if ( !support.opacity ) {
6803         jQuery.cssHooks.opacity = {
6804                 get: function( elem, computed ) {
6805                         // IE uses filters for opacity
6806                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
6807                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
6808                                 computed ? "1" : "";
6809                 },
6811                 set: function( elem, value ) {
6812                         var style = elem.style,
6813                                 currentStyle = elem.currentStyle,
6814                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
6815                                 filter = currentStyle && currentStyle.filter || style.filter || "";
6817                         // IE has trouble with opacity if it does not have layout
6818                         // Force it by setting the zoom level
6819                         style.zoom = 1;
6821                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
6822                         // if value === "", then remove inline opacity #12685
6823                         if ( ( value >= 1 || value === "" ) &&
6824                                         jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
6825                                         style.removeAttribute ) {
6827                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
6828                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
6829                                 // style.removeAttribute is IE Only, but so apparently is this code path...
6830                                 style.removeAttribute( "filter" );
6832                                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
6833                                 if ( value === "" || currentStyle && !currentStyle.filter ) {
6834                                         return;
6835                                 }
6836                         }
6838                         // otherwise, set new filter values
6839                         style.filter = ralpha.test( filter ) ?
6840                                 filter.replace( ralpha, opacity ) :
6841                                 filter + " " + opacity;
6842                 }
6843         };
6846 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
6847         function( elem, computed ) {
6848                 if ( computed ) {
6849                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6850                         // Work around by temporarily setting element display to inline-block
6851                         return jQuery.swap( elem, { "display": "inline-block" },
6852                                 curCSS, [ elem, "marginRight" ] );
6853                 }
6854         }
6857 // These hooks are used by animate to expand properties
6858 jQuery.each({
6859         margin: "",
6860         padding: "",
6861         border: "Width"
6862 }, function( prefix, suffix ) {
6863         jQuery.cssHooks[ prefix + suffix ] = {
6864                 expand: function( value ) {
6865                         var i = 0,
6866                                 expanded = {},
6868                                 // assumes a single number if not a string
6869                                 parts = typeof value === "string" ? value.split(" ") : [ value ];
6871                         for ( ; i < 4; i++ ) {
6872                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6873                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6874                         }
6876                         return expanded;
6877                 }
6878         };
6880         if ( !rmargin.test( prefix ) ) {
6881                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6882         }
6885 jQuery.fn.extend({
6886         css: function( name, value ) {
6887                 return access( this, function( elem, name, value ) {
6888                         var styles, len,
6889                                 map = {},
6890                                 i = 0;
6892                         if ( jQuery.isArray( name ) ) {
6893                                 styles = getStyles( elem );
6894                                 len = name.length;
6896                                 for ( ; i < len; i++ ) {
6897                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6898                                 }
6900                                 return map;
6901                         }
6903                         return value !== undefined ?
6904                                 jQuery.style( elem, name, value ) :
6905                                 jQuery.css( elem, name );
6906                 }, name, value, arguments.length > 1 );
6907         },
6908         show: function() {
6909                 return showHide( this, true );
6910         },
6911         hide: function() {
6912                 return showHide( this );
6913         },
6914         toggle: function( state ) {
6915                 if ( typeof state === "boolean" ) {
6916                         return state ? this.show() : this.hide();
6917                 }
6919                 return this.each(function() {
6920                         if ( isHidden( this ) ) {
6921                                 jQuery( this ).show();
6922                         } else {
6923                                 jQuery( this ).hide();
6924                         }
6925                 });
6926         }
6930 function Tween( elem, options, prop, end, easing ) {
6931         return new Tween.prototype.init( elem, options, prop, end, easing );
6933 jQuery.Tween = Tween;
6935 Tween.prototype = {
6936         constructor: Tween,
6937         init: function( elem, options, prop, end, easing, unit ) {
6938                 this.elem = elem;
6939                 this.prop = prop;
6940                 this.easing = easing || "swing";
6941                 this.options = options;
6942                 this.start = this.now = this.cur();
6943                 this.end = end;
6944                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6945         },
6946         cur: function() {
6947                 var hooks = Tween.propHooks[ this.prop ];
6949                 return hooks && hooks.get ?
6950                         hooks.get( this ) :
6951                         Tween.propHooks._default.get( this );
6952         },
6953         run: function( percent ) {
6954                 var eased,
6955                         hooks = Tween.propHooks[ this.prop ];
6957                 if ( this.options.duration ) {
6958                         this.pos = eased = jQuery.easing[ this.easing ](
6959                                 percent, this.options.duration * percent, 0, 1, this.options.duration
6960                         );
6961                 } else {
6962                         this.pos = eased = percent;
6963                 }
6964                 this.now = ( this.end - this.start ) * eased + this.start;
6966                 if ( this.options.step ) {
6967                         this.options.step.call( this.elem, this.now, this );
6968                 }
6970                 if ( hooks && hooks.set ) {
6971                         hooks.set( this );
6972                 } else {
6973                         Tween.propHooks._default.set( this );
6974                 }
6975                 return this;
6976         }
6979 Tween.prototype.init.prototype = Tween.prototype;
6981 Tween.propHooks = {
6982         _default: {
6983                 get: function( tween ) {
6984                         var result;
6986                         if ( tween.elem[ tween.prop ] != null &&
6987                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
6988                                 return tween.elem[ tween.prop ];
6989                         }
6991                         // passing an empty string as a 3rd parameter to .css will automatically
6992                         // attempt a parseFloat and fallback to a string if the parse fails
6993                         // so, simple values such as "10px" are parsed to Float.
6994                         // complex values such as "rotate(1rad)" are returned as is.
6995                         result = jQuery.css( tween.elem, tween.prop, "" );
6996                         // Empty strings, null, undefined and "auto" are converted to 0.
6997                         return !result || result === "auto" ? 0 : result;
6998                 },
6999                 set: function( tween ) {
7000                         // use step hook for back compat - use cssHook if its there - use .style if its
7001                         // available and use plain properties where available
7002                         if ( jQuery.fx.step[ tween.prop ] ) {
7003                                 jQuery.fx.step[ tween.prop ]( tween );
7004                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
7005                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
7006                         } else {
7007                                 tween.elem[ tween.prop ] = tween.now;
7008                         }
7009                 }
7010         }
7013 // Support: IE <=9
7014 // Panic based approach to setting things on disconnected nodes
7016 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
7017         set: function( tween ) {
7018                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
7019                         tween.elem[ tween.prop ] = tween.now;
7020                 }
7021         }
7024 jQuery.easing = {
7025         linear: function( p ) {
7026                 return p;
7027         },
7028         swing: function( p ) {
7029                 return 0.5 - Math.cos( p * Math.PI ) / 2;
7030         }
7033 jQuery.fx = Tween.prototype.init;
7035 // Back Compat <1.8 extension point
7036 jQuery.fx.step = {};
7042         fxNow, timerId,
7043         rfxtypes = /^(?:toggle|show|hide)$/,
7044         rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
7045         rrun = /queueHooks$/,
7046         animationPrefilters = [ defaultPrefilter ],
7047         tweeners = {
7048                 "*": [ function( prop, value ) {
7049                         var tween = this.createTween( prop, value ),
7050                                 target = tween.cur(),
7051                                 parts = rfxnum.exec( value ),
7052                                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
7054                                 // Starting value computation is required for potential unit mismatches
7055                                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
7056                                         rfxnum.exec( jQuery.css( tween.elem, prop ) ),
7057                                 scale = 1,
7058                                 maxIterations = 20;
7060                         if ( start && start[ 3 ] !== unit ) {
7061                                 // Trust units reported by jQuery.css
7062                                 unit = unit || start[ 3 ];
7064                                 // Make sure we update the tween properties later on
7065                                 parts = parts || [];
7067                                 // Iteratively approximate from a nonzero starting point
7068                                 start = +target || 1;
7070                                 do {
7071                                         // If previous iteration zeroed out, double until we get *something*
7072                                         // Use a string for doubling factor so we don't accidentally see scale as unchanged below
7073                                         scale = scale || ".5";
7075                                         // Adjust and apply
7076                                         start = start / scale;
7077                                         jQuery.style( tween.elem, prop, start + unit );
7079                                 // Update scale, tolerating zero or NaN from tween.cur()
7080                                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
7081                                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
7082                         }
7084                         // Update tween properties
7085                         if ( parts ) {
7086                                 start = tween.start = +start || +target || 0;
7087                                 tween.unit = unit;
7088                                 // If a +=/-= token was provided, we're doing a relative animation
7089                                 tween.end = parts[ 1 ] ?
7090                                         start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
7091                                         +parts[ 2 ];
7092                         }
7094                         return tween;
7095                 } ]
7096         };
7098 // Animations created synchronously will run synchronously
7099 function createFxNow() {
7100         setTimeout(function() {
7101                 fxNow = undefined;
7102         });
7103         return ( fxNow = jQuery.now() );
7106 // Generate parameters to create a standard animation
7107 function genFx( type, includeWidth ) {
7108         var which,
7109                 attrs = { height: type },
7110                 i = 0;
7112         // if we include width, step value is 1 to do all cssExpand values,
7113         // if we don't include width, step value is 2 to skip over Left and Right
7114         includeWidth = includeWidth ? 1 : 0;
7115         for ( ; i < 4 ; i += 2 - includeWidth ) {
7116                 which = cssExpand[ i ];
7117                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7118         }
7120         if ( includeWidth ) {
7121                 attrs.opacity = attrs.width = type;
7122         }
7124         return attrs;
7127 function createTween( value, prop, animation ) {
7128         var tween,
7129                 collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
7130                 index = 0,
7131                 length = collection.length;
7132         for ( ; index < length; index++ ) {
7133                 if ( (tween = collection[ index ].call( animation, prop, value )) ) {
7135                         // we're done with this property
7136                         return tween;
7137                 }
7138         }
7141 function defaultPrefilter( elem, props, opts ) {
7142         /* jshint validthis: true */
7143         var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
7144                 anim = this,
7145                 orig = {},
7146                 style = elem.style,
7147                 hidden = elem.nodeType && isHidden( elem ),
7148                 dataShow = jQuery._data( elem, "fxshow" );
7150         // handle queue: false promises
7151         if ( !opts.queue ) {
7152                 hooks = jQuery._queueHooks( elem, "fx" );
7153                 if ( hooks.unqueued == null ) {
7154                         hooks.unqueued = 0;
7155                         oldfire = hooks.empty.fire;
7156                         hooks.empty.fire = function() {
7157                                 if ( !hooks.unqueued ) {
7158                                         oldfire();
7159                                 }
7160                         };
7161                 }
7162                 hooks.unqueued++;
7164                 anim.always(function() {
7165                         // doing this makes sure that the complete handler will be called
7166                         // before this completes
7167                         anim.always(function() {
7168                                 hooks.unqueued--;
7169                                 if ( !jQuery.queue( elem, "fx" ).length ) {
7170                                         hooks.empty.fire();
7171                                 }
7172                         });
7173                 });
7174         }
7176         // height/width overflow pass
7177         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
7178                 // Make sure that nothing sneaks out
7179                 // Record all 3 overflow attributes because IE does not
7180                 // change the overflow attribute when overflowX and
7181                 // overflowY are set to the same value
7182                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7184                 // Set display property to inline-block for height/width
7185                 // animations on inline elements that are having width/height animated
7186                 display = jQuery.css( elem, "display" );
7188                 // Test default display if display is currently "none"
7189                 checkDisplay = display === "none" ?
7190                         jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
7192                 if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
7194                         // inline-level elements accept inline-block;
7195                         // block-level elements need to be inline with layout
7196                         if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
7197                                 style.display = "inline-block";
7198                         } else {
7199                                 style.zoom = 1;
7200                         }
7201                 }
7202         }
7204         if ( opts.overflow ) {
7205                 style.overflow = "hidden";
7206                 if ( !support.shrinkWrapBlocks() ) {
7207                         anim.always(function() {
7208                                 style.overflow = opts.overflow[ 0 ];
7209                                 style.overflowX = opts.overflow[ 1 ];
7210                                 style.overflowY = opts.overflow[ 2 ];
7211                         });
7212                 }
7213         }
7215         // show/hide pass
7216         for ( prop in props ) {
7217                 value = props[ prop ];
7218                 if ( rfxtypes.exec( value ) ) {
7219                         delete props[ prop ];
7220                         toggle = toggle || value === "toggle";
7221                         if ( value === ( hidden ? "hide" : "show" ) ) {
7223                                 // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
7224                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7225                                         hidden = true;
7226                                 } else {
7227                                         continue;
7228                                 }
7229                         }
7230                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7232                 // Any non-fx value stops us from restoring the original display value
7233                 } else {
7234                         display = undefined;
7235                 }
7236         }
7238         if ( !jQuery.isEmptyObject( orig ) ) {
7239                 if ( dataShow ) {
7240                         if ( "hidden" in dataShow ) {
7241                                 hidden = dataShow.hidden;
7242                         }
7243                 } else {
7244                         dataShow = jQuery._data( elem, "fxshow", {} );
7245                 }
7247                 // store state if its toggle - enables .stop().toggle() to "reverse"
7248                 if ( toggle ) {
7249                         dataShow.hidden = !hidden;
7250                 }
7251                 if ( hidden ) {
7252                         jQuery( elem ).show();
7253                 } else {
7254                         anim.done(function() {
7255                                 jQuery( elem ).hide();
7256                         });
7257                 }
7258                 anim.done(function() {
7259                         var prop;
7260                         jQuery._removeData( elem, "fxshow" );
7261                         for ( prop in orig ) {
7262                                 jQuery.style( elem, prop, orig[ prop ] );
7263                         }
7264                 });
7265                 for ( prop in orig ) {
7266                         tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7268                         if ( !( prop in dataShow ) ) {
7269                                 dataShow[ prop ] = tween.start;
7270                                 if ( hidden ) {
7271                                         tween.end = tween.start;
7272                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
7273                                 }
7274                         }
7275                 }
7277         // If this is a noop like .hide().hide(), restore an overwritten display value
7278         } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
7279                 style.display = display;
7280         }
7283 function propFilter( props, specialEasing ) {
7284         var index, name, easing, value, hooks;
7286         // camelCase, specialEasing and expand cssHook pass
7287         for ( index in props ) {
7288                 name = jQuery.camelCase( index );
7289                 easing = specialEasing[ name ];
7290                 value = props[ index ];
7291                 if ( jQuery.isArray( value ) ) {
7292                         easing = value[ 1 ];
7293                         value = props[ index ] = value[ 0 ];
7294                 }
7296                 if ( index !== name ) {
7297                         props[ name ] = value;
7298                         delete props[ index ];
7299                 }
7301                 hooks = jQuery.cssHooks[ name ];
7302                 if ( hooks && "expand" in hooks ) {
7303                         value = hooks.expand( value );
7304                         delete props[ name ];
7306                         // not quite $.extend, this wont overwrite keys already present.
7307                         // also - reusing 'index' from above because we have the correct "name"
7308                         for ( index in value ) {
7309                                 if ( !( index in props ) ) {
7310                                         props[ index ] = value[ index ];
7311                                         specialEasing[ index ] = easing;
7312                                 }
7313                         }
7314                 } else {
7315                         specialEasing[ name ] = easing;
7316                 }
7317         }
7320 function Animation( elem, properties, options ) {
7321         var result,
7322                 stopped,
7323                 index = 0,
7324                 length = animationPrefilters.length,
7325                 deferred = jQuery.Deferred().always( function() {
7326                         // don't match elem in the :animated selector
7327                         delete tick.elem;
7328                 }),
7329                 tick = function() {
7330                         if ( stopped ) {
7331                                 return false;
7332                         }
7333                         var currentTime = fxNow || createFxNow(),
7334                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7335                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
7336                                 temp = remaining / animation.duration || 0,
7337                                 percent = 1 - temp,
7338                                 index = 0,
7339                                 length = animation.tweens.length;
7341                         for ( ; index < length ; index++ ) {
7342                                 animation.tweens[ index ].run( percent );
7343                         }
7345                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
7347                         if ( percent < 1 && length ) {
7348                                 return remaining;
7349                         } else {
7350                                 deferred.resolveWith( elem, [ animation ] );
7351                                 return false;
7352                         }
7353                 },
7354                 animation = deferred.promise({
7355                         elem: elem,
7356                         props: jQuery.extend( {}, properties ),
7357                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
7358                         originalProperties: properties,
7359                         originalOptions: options,
7360                         startTime: fxNow || createFxNow(),
7361                         duration: options.duration,
7362                         tweens: [],
7363                         createTween: function( prop, end ) {
7364                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7365                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7366                                 animation.tweens.push( tween );
7367                                 return tween;
7368                         },
7369                         stop: function( gotoEnd ) {
7370                                 var index = 0,
7371                                         // if we are going to the end, we want to run all the tweens
7372                                         // otherwise we skip this part
7373                                         length = gotoEnd ? animation.tweens.length : 0;
7374                                 if ( stopped ) {
7375                                         return this;
7376                                 }
7377                                 stopped = true;
7378                                 for ( ; index < length ; index++ ) {
7379                                         animation.tweens[ index ].run( 1 );
7380                                 }
7382                                 // resolve when we played the last frame
7383                                 // otherwise, reject
7384                                 if ( gotoEnd ) {
7385                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7386                                 } else {
7387                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7388                                 }
7389                                 return this;
7390                         }
7391                 }),
7392                 props = animation.props;
7394         propFilter( props, animation.opts.specialEasing );
7396         for ( ; index < length ; index++ ) {
7397                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
7398                 if ( result ) {
7399                         return result;
7400                 }
7401         }
7403         jQuery.map( props, createTween, animation );
7405         if ( jQuery.isFunction( animation.opts.start ) ) {
7406                 animation.opts.start.call( elem, animation );
7407         }
7409         jQuery.fx.timer(
7410                 jQuery.extend( tick, {
7411                         elem: elem,
7412                         anim: animation,
7413                         queue: animation.opts.queue
7414                 })
7415         );
7417         // attach callbacks from options
7418         return animation.progress( animation.opts.progress )
7419                 .done( animation.opts.done, animation.opts.complete )
7420                 .fail( animation.opts.fail )
7421                 .always( animation.opts.always );
7424 jQuery.Animation = jQuery.extend( Animation, {
7425         tweener: function( props, callback ) {
7426                 if ( jQuery.isFunction( props ) ) {
7427                         callback = props;
7428                         props = [ "*" ];
7429                 } else {
7430                         props = props.split(" ");
7431                 }
7433                 var prop,
7434                         index = 0,
7435                         length = props.length;
7437                 for ( ; index < length ; index++ ) {
7438                         prop = props[ index ];
7439                         tweeners[ prop ] = tweeners[ prop ] || [];
7440                         tweeners[ prop ].unshift( callback );
7441                 }
7442         },
7444         prefilter: function( callback, prepend ) {
7445                 if ( prepend ) {
7446                         animationPrefilters.unshift( callback );
7447                 } else {
7448                         animationPrefilters.push( callback );
7449                 }
7450         }
7453 jQuery.speed = function( speed, easing, fn ) {
7454         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7455                 complete: fn || !fn && easing ||
7456                         jQuery.isFunction( speed ) && speed,
7457                 duration: speed,
7458                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7459         };
7461         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
7462                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
7464         // normalize opt.queue - true/undefined/null -> "fx"
7465         if ( opt.queue == null || opt.queue === true ) {
7466                 opt.queue = "fx";
7467         }
7469         // Queueing
7470         opt.old = opt.complete;
7472         opt.complete = function() {
7473                 if ( jQuery.isFunction( opt.old ) ) {
7474                         opt.old.call( this );
7475                 }
7477                 if ( opt.queue ) {
7478                         jQuery.dequeue( this, opt.queue );
7479                 }
7480         };
7482         return opt;
7485 jQuery.fn.extend({
7486         fadeTo: function( speed, to, easing, callback ) {
7488                 // show any hidden elements after setting opacity to 0
7489                 return this.filter( isHidden ).css( "opacity", 0 ).show()
7491                         // animate to the value specified
7492                         .end().animate({ opacity: to }, speed, easing, callback );
7493         },
7494         animate: function( prop, speed, easing, callback ) {
7495                 var empty = jQuery.isEmptyObject( prop ),
7496                         optall = jQuery.speed( speed, easing, callback ),
7497                         doAnimation = function() {
7498                                 // Operate on a copy of prop so per-property easing won't be lost
7499                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7501                                 // Empty animations, or finishing resolves immediately
7502                                 if ( empty || jQuery._data( this, "finish" ) ) {
7503                                         anim.stop( true );
7504                                 }
7505                         };
7506                         doAnimation.finish = doAnimation;
7508                 return empty || optall.queue === false ?
7509                         this.each( doAnimation ) :
7510                         this.queue( optall.queue, doAnimation );
7511         },
7512         stop: function( type, clearQueue, gotoEnd ) {
7513                 var stopQueue = function( hooks ) {
7514                         var stop = hooks.stop;
7515                         delete hooks.stop;
7516                         stop( gotoEnd );
7517                 };
7519                 if ( typeof type !== "string" ) {
7520                         gotoEnd = clearQueue;
7521                         clearQueue = type;
7522                         type = undefined;
7523                 }
7524                 if ( clearQueue && type !== false ) {
7525                         this.queue( type || "fx", [] );
7526                 }
7528                 return this.each(function() {
7529                         var dequeue = true,
7530                                 index = type != null && type + "queueHooks",
7531                                 timers = jQuery.timers,
7532                                 data = jQuery._data( this );
7534                         if ( index ) {
7535                                 if ( data[ index ] && data[ index ].stop ) {
7536                                         stopQueue( data[ index ] );
7537                                 }
7538                         } else {
7539                                 for ( index in data ) {
7540                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7541                                                 stopQueue( data[ index ] );
7542                                         }
7543                                 }
7544                         }
7546                         for ( index = timers.length; index--; ) {
7547                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
7548                                         timers[ index ].anim.stop( gotoEnd );
7549                                         dequeue = false;
7550                                         timers.splice( index, 1 );
7551                                 }
7552                         }
7554                         // start the next in the queue if the last step wasn't forced
7555                         // timers currently will call their complete callbacks, which will dequeue
7556                         // but only if they were gotoEnd
7557                         if ( dequeue || !gotoEnd ) {
7558                                 jQuery.dequeue( this, type );
7559                         }
7560                 });
7561         },
7562         finish: function( type ) {
7563                 if ( type !== false ) {
7564                         type = type || "fx";
7565                 }
7566                 return this.each(function() {
7567                         var index,
7568                                 data = jQuery._data( this ),
7569                                 queue = data[ type + "queue" ],
7570                                 hooks = data[ type + "queueHooks" ],
7571                                 timers = jQuery.timers,
7572                                 length = queue ? queue.length : 0;
7574                         // enable finishing flag on private data
7575                         data.finish = true;
7577                         // empty the queue first
7578                         jQuery.queue( this, type, [] );
7580                         if ( hooks && hooks.stop ) {
7581                                 hooks.stop.call( this, true );
7582                         }
7584                         // look for any active animations, and finish them
7585                         for ( index = timers.length; index--; ) {
7586                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7587                                         timers[ index ].anim.stop( true );
7588                                         timers.splice( index, 1 );
7589                                 }
7590                         }
7592                         // look for any animations in the old queue and finish them
7593                         for ( index = 0; index < length; index++ ) {
7594                                 if ( queue[ index ] && queue[ index ].finish ) {
7595                                         queue[ index ].finish.call( this );
7596                                 }
7597                         }
7599                         // turn off finishing flag
7600                         delete data.finish;
7601                 });
7602         }
7605 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
7606         var cssFn = jQuery.fn[ name ];
7607         jQuery.fn[ name ] = function( speed, easing, callback ) {
7608                 return speed == null || typeof speed === "boolean" ?
7609                         cssFn.apply( this, arguments ) :
7610                         this.animate( genFx( name, true ), speed, easing, callback );
7611         };
7614 // Generate shortcuts for custom animations
7615 jQuery.each({
7616         slideDown: genFx("show"),
7617         slideUp: genFx("hide"),
7618         slideToggle: genFx("toggle"),
7619         fadeIn: { opacity: "show" },
7620         fadeOut: { opacity: "hide" },
7621         fadeToggle: { opacity: "toggle" }
7622 }, function( name, props ) {
7623         jQuery.fn[ name ] = function( speed, easing, callback ) {
7624                 return this.animate( props, speed, easing, callback );
7625         };
7628 jQuery.timers = [];
7629 jQuery.fx.tick = function() {
7630         var timer,
7631                 timers = jQuery.timers,
7632                 i = 0;
7634         fxNow = jQuery.now();
7636         for ( ; i < timers.length; i++ ) {
7637                 timer = timers[ i ];
7638                 // Checks the timer has not already been removed
7639                 if ( !timer() && timers[ i ] === timer ) {
7640                         timers.splice( i--, 1 );
7641                 }
7642         }
7644         if ( !timers.length ) {
7645                 jQuery.fx.stop();
7646         }
7647         fxNow = undefined;
7650 jQuery.fx.timer = function( timer ) {
7651         jQuery.timers.push( timer );
7652         if ( timer() ) {
7653                 jQuery.fx.start();
7654         } else {
7655                 jQuery.timers.pop();
7656         }
7659 jQuery.fx.interval = 13;
7661 jQuery.fx.start = function() {
7662         if ( !timerId ) {
7663                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
7664         }
7667 jQuery.fx.stop = function() {
7668         clearInterval( timerId );
7669         timerId = null;
7672 jQuery.fx.speeds = {
7673         slow: 600,
7674         fast: 200,
7675         // Default speed
7676         _default: 400
7680 // Based off of the plugin by Clint Helfers, with permission.
7681 // http://blindsignals.com/index.php/2009/07/jquery-delay/
7682 jQuery.fn.delay = function( time, type ) {
7683         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7684         type = type || "fx";
7686         return this.queue( type, function( next, hooks ) {
7687                 var timeout = setTimeout( next, time );
7688                 hooks.stop = function() {
7689                         clearTimeout( timeout );
7690                 };
7691         });
7695 (function() {
7696         // Minified: var a,b,c,d,e
7697         var input, div, select, a, opt;
7699         // Setup
7700         div = document.createElement( "div" );
7701         div.setAttribute( "className", "t" );
7702         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
7703         a = div.getElementsByTagName("a")[ 0 ];
7705         // First batch of tests.
7706         select = document.createElement("select");
7707         opt = select.appendChild( document.createElement("option") );
7708         input = div.getElementsByTagName("input")[ 0 ];
7710         a.style.cssText = "top:1px";
7712         // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
7713         support.getSetAttribute = div.className !== "t";
7715         // Get the style information from getAttribute
7716         // (IE uses .cssText instead)
7717         support.style = /top/.test( a.getAttribute("style") );
7719         // Make sure that URLs aren't manipulated
7720         // (IE normalizes it by default)
7721         support.hrefNormalized = a.getAttribute("href") === "/a";
7723         // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
7724         support.checkOn = !!input.value;
7726         // Make sure that a selected-by-default option has a working selected property.
7727         // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
7728         support.optSelected = opt.selected;
7730         // Tests for enctype support on a form (#6743)
7731         support.enctype = !!document.createElement("form").enctype;
7733         // Make sure that the options inside disabled selects aren't marked as disabled
7734         // (WebKit marks them as disabled)
7735         select.disabled = true;
7736         support.optDisabled = !opt.disabled;
7738         // Support: IE8 only
7739         // Check if we can trust getAttribute("value")
7740         input = document.createElement( "input" );
7741         input.setAttribute( "value", "" );
7742         support.input = input.getAttribute( "value" ) === "";
7744         // Check if an input maintains its value after becoming a radio
7745         input.value = "t";
7746         input.setAttribute( "type", "radio" );
7747         support.radioValue = input.value === "t";
7748 })();
7751 var rreturn = /\r/g;
7753 jQuery.fn.extend({
7754         val: function( value ) {
7755                 var hooks, ret, isFunction,
7756                         elem = this[0];
7758                 if ( !arguments.length ) {
7759                         if ( elem ) {
7760                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7762                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
7763                                         return ret;
7764                                 }
7766                                 ret = elem.value;
7768                                 return typeof ret === "string" ?
7769                                         // handle most common string cases
7770                                         ret.replace(rreturn, "") :
7771                                         // handle cases where value is null/undef or number
7772                                         ret == null ? "" : ret;
7773                         }
7775                         return;
7776                 }
7778                 isFunction = jQuery.isFunction( value );
7780                 return this.each(function( i ) {
7781                         var val;
7783                         if ( this.nodeType !== 1 ) {
7784                                 return;
7785                         }
7787                         if ( isFunction ) {
7788                                 val = value.call( this, i, jQuery( this ).val() );
7789                         } else {
7790                                 val = value;
7791                         }
7793                         // Treat null/undefined as ""; convert numbers to string
7794                         if ( val == null ) {
7795                                 val = "";
7796                         } else if ( typeof val === "number" ) {
7797                                 val += "";
7798                         } else if ( jQuery.isArray( val ) ) {
7799                                 val = jQuery.map( val, function( value ) {
7800                                         return value == null ? "" : value + "";
7801                                 });
7802                         }
7804                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7806                         // If set returns undefined, fall back to normal setting
7807                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
7808                                 this.value = val;
7809                         }
7810                 });
7811         }
7814 jQuery.extend({
7815         valHooks: {
7816                 option: {
7817                         get: function( elem ) {
7818                                 var val = jQuery.find.attr( elem, "value" );
7819                                 return val != null ?
7820                                         val :
7821                                         // Support: IE10-11+
7822                                         // option.text throws exceptions (#14686, #14858)
7823                                         jQuery.trim( jQuery.text( elem ) );
7824                         }
7825                 },
7826                 select: {
7827                         get: function( elem ) {
7828                                 var value, option,
7829                                         options = elem.options,
7830                                         index = elem.selectedIndex,
7831                                         one = elem.type === "select-one" || index < 0,
7832                                         values = one ? null : [],
7833                                         max = one ? index + 1 : options.length,
7834                                         i = index < 0 ?
7835                                                 max :
7836                                                 one ? index : 0;
7838                                 // Loop through all the selected options
7839                                 for ( ; i < max; i++ ) {
7840                                         option = options[ i ];
7842                                         // oldIE doesn't update selected after form reset (#2551)
7843                                         if ( ( option.selected || i === index ) &&
7844                                                         // Don't return options that are disabled or in a disabled optgroup
7845                                                         ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
7846                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
7848                                                 // Get the specific value for the option
7849                                                 value = jQuery( option ).val();
7851                                                 // We don't need an array for one selects
7852                                                 if ( one ) {
7853                                                         return value;
7854                                                 }
7856                                                 // Multi-Selects return an array
7857                                                 values.push( value );
7858                                         }
7859                                 }
7861                                 return values;
7862                         },
7864                         set: function( elem, value ) {
7865                                 var optionSet, option,
7866                                         options = elem.options,
7867                                         values = jQuery.makeArray( value ),
7868                                         i = options.length;
7870                                 while ( i-- ) {
7871                                         option = options[ i ];
7873                                         if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
7875                                                 // Support: IE6
7876                                                 // When new option element is added to select box we need to
7877                                                 // force reflow of newly added node in order to workaround delay
7878                                                 // of initialization properties
7879                                                 try {
7880                                                         option.selected = optionSet = true;
7882                                                 } catch ( _ ) {
7884                                                         // Will be executed only in IE6
7885                                                         option.scrollHeight;
7886                                                 }
7888                                         } else {
7889                                                 option.selected = false;
7890                                         }
7891                                 }
7893                                 // Force browsers to behave consistently when non-matching value is set
7894                                 if ( !optionSet ) {
7895                                         elem.selectedIndex = -1;
7896                                 }
7898                                 return options;
7899                         }
7900                 }
7901         }
7904 // Radios and checkboxes getter/setter
7905 jQuery.each([ "radio", "checkbox" ], function() {
7906         jQuery.valHooks[ this ] = {
7907                 set: function( elem, value ) {
7908                         if ( jQuery.isArray( value ) ) {
7909                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
7910                         }
7911                 }
7912         };
7913         if ( !support.checkOn ) {
7914                 jQuery.valHooks[ this ].get = function( elem ) {
7915                         // Support: Webkit
7916                         // "" is returned instead of "on" if a value isn't specified
7917                         return elem.getAttribute("value") === null ? "on" : elem.value;
7918                 };
7919         }
7925 var nodeHook, boolHook,
7926         attrHandle = jQuery.expr.attrHandle,
7927         ruseDefault = /^(?:checked|selected)$/i,
7928         getSetAttribute = support.getSetAttribute,
7929         getSetInput = support.input;
7931 jQuery.fn.extend({
7932         attr: function( name, value ) {
7933                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7934         },
7936         removeAttr: function( name ) {
7937                 return this.each(function() {
7938                         jQuery.removeAttr( this, name );
7939                 });
7940         }
7943 jQuery.extend({
7944         attr: function( elem, name, value ) {
7945                 var hooks, ret,
7946                         nType = elem.nodeType;
7948                 // don't get/set attributes on text, comment and attribute nodes
7949                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
7950                         return;
7951                 }
7953                 // Fallback to prop when attributes are not supported
7954                 if ( typeof elem.getAttribute === strundefined ) {
7955                         return jQuery.prop( elem, name, value );
7956                 }
7958                 // All attributes are lowercase
7959                 // Grab necessary hook if one is defined
7960                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7961                         name = name.toLowerCase();
7962                         hooks = jQuery.attrHooks[ name ] ||
7963                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
7964                 }
7966                 if ( value !== undefined ) {
7968                         if ( value === null ) {
7969                                 jQuery.removeAttr( elem, name );
7971                         } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
7972                                 return ret;
7974                         } else {
7975                                 elem.setAttribute( name, value + "" );
7976                                 return value;
7977                         }
7979                 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
7980                         return ret;
7982                 } else {
7983                         ret = jQuery.find.attr( elem, name );
7985                         // Non-existent attributes return null, we normalize to undefined
7986                         return ret == null ?
7987                                 undefined :
7988                                 ret;
7989                 }
7990         },
7992         removeAttr: function( elem, value ) {
7993                 var name, propName,
7994                         i = 0,
7995                         attrNames = value && value.match( rnotwhite );
7997                 if ( attrNames && elem.nodeType === 1 ) {
7998                         while ( (name = attrNames[i++]) ) {
7999                                 propName = jQuery.propFix[ name ] || name;
8001                                 // Boolean attributes get special treatment (#10870)
8002                                 if ( jQuery.expr.match.bool.test( name ) ) {
8003                                         // Set corresponding property to false
8004                                         if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8005                                                 elem[ propName ] = false;
8006                                         // Support: IE<9
8007                                         // Also clear defaultChecked/defaultSelected (if appropriate)
8008                                         } else {
8009                                                 elem[ jQuery.camelCase( "default-" + name ) ] =
8010                                                         elem[ propName ] = false;
8011                                         }
8013                                 // See #9699 for explanation of this approach (setting first, then removal)
8014                                 } else {
8015                                         jQuery.attr( elem, name, "" );
8016                                 }
8018                                 elem.removeAttribute( getSetAttribute ? name : propName );
8019                         }
8020                 }
8021         },
8023         attrHooks: {
8024                 type: {
8025                         set: function( elem, value ) {
8026                                 if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
8027                                         // Setting the type on a radio button after the value resets the value in IE6-9
8028                                         // Reset value to default in case type is set after value during creation
8029                                         var val = elem.value;
8030                                         elem.setAttribute( "type", value );
8031                                         if ( val ) {
8032                                                 elem.value = val;
8033                                         }
8034                                         return value;
8035                                 }
8036                         }
8037                 }
8038         }
8041 // Hook for boolean attributes
8042 boolHook = {
8043         set: function( elem, value, name ) {
8044                 if ( value === false ) {
8045                         // Remove boolean attributes when set to false
8046                         jQuery.removeAttr( elem, name );
8047                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8048                         // IE<8 needs the *property* name
8049                         elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
8051                 // Use defaultChecked and defaultSelected for oldIE
8052                 } else {
8053                         elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
8054                 }
8056                 return name;
8057         }
8060 // Retrieve booleans specially
8061 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
8063         var getter = attrHandle[ name ] || jQuery.find.attr;
8065         attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
8066                 function( elem, name, isXML ) {
8067                         var ret, handle;
8068                         if ( !isXML ) {
8069                                 // Avoid an infinite loop by temporarily removing this function from the getter
8070                                 handle = attrHandle[ name ];
8071                                 attrHandle[ name ] = ret;
8072                                 ret = getter( elem, name, isXML ) != null ?
8073                                         name.toLowerCase() :
8074                                         null;
8075                                 attrHandle[ name ] = handle;
8076                         }
8077                         return ret;
8078                 } :
8079                 function( elem, name, isXML ) {
8080                         if ( !isXML ) {
8081                                 return elem[ jQuery.camelCase( "default-" + name ) ] ?
8082                                         name.toLowerCase() :
8083                                         null;
8084                         }
8085                 };
8088 // fix oldIE attroperties
8089 if ( !getSetInput || !getSetAttribute ) {
8090         jQuery.attrHooks.value = {
8091                 set: function( elem, value, name ) {
8092                         if ( jQuery.nodeName( elem, "input" ) ) {
8093                                 // Does not return so that setAttribute is also used
8094                                 elem.defaultValue = value;
8095                         } else {
8096                                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
8097                                 return nodeHook && nodeHook.set( elem, value, name );
8098                         }
8099                 }
8100         };
8103 // IE6/7 do not support getting/setting some attributes with get/setAttribute
8104 if ( !getSetAttribute ) {
8106         // Use this for any attribute in IE6/7
8107         // This fixes almost every IE6/7 issue
8108         nodeHook = {
8109                 set: function( elem, value, name ) {
8110                         // Set the existing or create a new attribute node
8111                         var ret = elem.getAttributeNode( name );
8112                         if ( !ret ) {
8113                                 elem.setAttributeNode(
8114                                         (ret = elem.ownerDocument.createAttribute( name ))
8115                                 );
8116                         }
8118                         ret.value = value += "";
8120                         // Break association with cloned elements by also using setAttribute (#9646)
8121                         if ( name === "value" || value === elem.getAttribute( name ) ) {
8122                                 return value;
8123                         }
8124                 }
8125         };
8127         // Some attributes are constructed with empty-string values when not defined
8128         attrHandle.id = attrHandle.name = attrHandle.coords =
8129                 function( elem, name, isXML ) {
8130                         var ret;
8131                         if ( !isXML ) {
8132                                 return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
8133                                         ret.value :
8134                                         null;
8135                         }
8136                 };
8138         // Fixing value retrieval on a button requires this module
8139         jQuery.valHooks.button = {
8140                 get: function( elem, name ) {
8141                         var ret = elem.getAttributeNode( name );
8142                         if ( ret && ret.specified ) {
8143                                 return ret.value;
8144                         }
8145                 },
8146                 set: nodeHook.set
8147         };
8149         // Set contenteditable to false on removals(#10429)
8150         // Setting to empty string throws an error as an invalid value
8151         jQuery.attrHooks.contenteditable = {
8152                 set: function( elem, value, name ) {
8153                         nodeHook.set( elem, value === "" ? false : value, name );
8154                 }
8155         };
8157         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
8158         // This is for removals
8159         jQuery.each([ "width", "height" ], function( i, name ) {
8160                 jQuery.attrHooks[ name ] = {
8161                         set: function( elem, value ) {
8162                                 if ( value === "" ) {
8163                                         elem.setAttribute( name, "auto" );
8164                                         return value;
8165                                 }
8166                         }
8167                 };
8168         });
8171 if ( !support.style ) {
8172         jQuery.attrHooks.style = {
8173                 get: function( elem ) {
8174                         // Return undefined in the case of empty string
8175                         // Note: IE uppercases css property names, but if we were to .toLowerCase()
8176                         // .cssText, that would destroy case senstitivity in URL's, like in "background"
8177                         return elem.style.cssText || undefined;
8178                 },
8179                 set: function( elem, value ) {
8180                         return ( elem.style.cssText = value + "" );
8181                 }
8182         };
8188 var rfocusable = /^(?:input|select|textarea|button|object)$/i,
8189         rclickable = /^(?:a|area)$/i;
8191 jQuery.fn.extend({
8192         prop: function( name, value ) {
8193                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
8194         },
8196         removeProp: function( name ) {
8197                 name = jQuery.propFix[ name ] || name;
8198                 return this.each(function() {
8199                         // try/catch handles cases where IE balks (such as removing a property on window)
8200                         try {
8201                                 this[ name ] = undefined;
8202                                 delete this[ name ];
8203                         } catch( e ) {}
8204                 });
8205         }
8208 jQuery.extend({
8209         propFix: {
8210                 "for": "htmlFor",
8211                 "class": "className"
8212         },
8214         prop: function( elem, name, value ) {
8215                 var ret, hooks, notxml,
8216                         nType = elem.nodeType;
8218                 // don't get/set properties on text, comment and attribute nodes
8219                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
8220                         return;
8221                 }
8223                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
8225                 if ( notxml ) {
8226                         // Fix name and attach hooks
8227                         name = jQuery.propFix[ name ] || name;
8228                         hooks = jQuery.propHooks[ name ];
8229                 }
8231                 if ( value !== undefined ) {
8232                         return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
8233                                 ret :
8234                                 ( elem[ name ] = value );
8236                 } else {
8237                         return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
8238                                 ret :
8239                                 elem[ name ];
8240                 }
8241         },
8243         propHooks: {
8244                 tabIndex: {
8245                         get: function( elem ) {
8246                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
8247                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8248                                 // Use proper attribute retrieval(#12072)
8249                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
8251                                 return tabindex ?
8252                                         parseInt( tabindex, 10 ) :
8253                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
8254                                                 0 :
8255                                                 -1;
8256                         }
8257                 }
8258         }
8261 // Some attributes require a special call on IE
8262 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
8263 if ( !support.hrefNormalized ) {
8264         // href/src property should get the full normalized URL (#10299/#12915)
8265         jQuery.each([ "href", "src" ], function( i, name ) {
8266                 jQuery.propHooks[ name ] = {
8267                         get: function( elem ) {
8268                                 return elem.getAttribute( name, 4 );
8269                         }
8270                 };
8271         });
8274 // Support: Safari, IE9+
8275 // mis-reports the default selected property of an option
8276 // Accessing the parent's selectedIndex property fixes it
8277 if ( !support.optSelected ) {
8278         jQuery.propHooks.selected = {
8279                 get: function( elem ) {
8280                         var parent = elem.parentNode;
8282                         if ( parent ) {
8283                                 parent.selectedIndex;
8285                                 // Make sure that it also works with optgroups, see #5701
8286                                 if ( parent.parentNode ) {
8287                                         parent.parentNode.selectedIndex;
8288                                 }
8289                         }
8290                         return null;
8291                 }
8292         };
8295 jQuery.each([
8296         "tabIndex",
8297         "readOnly",
8298         "maxLength",
8299         "cellSpacing",
8300         "cellPadding",
8301         "rowSpan",
8302         "colSpan",
8303         "useMap",
8304         "frameBorder",
8305         "contentEditable"
8306 ], function() {
8307         jQuery.propFix[ this.toLowerCase() ] = this;
8310 // IE6/7 call enctype encoding
8311 if ( !support.enctype ) {
8312         jQuery.propFix.enctype = "encoding";
8318 var rclass = /[\t\r\n\f]/g;
8320 jQuery.fn.extend({
8321         addClass: function( value ) {
8322                 var classes, elem, cur, clazz, j, finalValue,
8323                         i = 0,
8324                         len = this.length,
8325                         proceed = typeof value === "string" && value;
8327                 if ( jQuery.isFunction( value ) ) {
8328                         return this.each(function( j ) {
8329                                 jQuery( this ).addClass( value.call( this, j, this.className ) );
8330                         });
8331                 }
8333                 if ( proceed ) {
8334                         // The disjunction here is for better compressibility (see removeClass)
8335                         classes = ( value || "" ).match( rnotwhite ) || [];
8337                         for ( ; i < len; i++ ) {
8338                                 elem = this[ i ];
8339                                 cur = elem.nodeType === 1 && ( elem.className ?
8340                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8341                                         " "
8342                                 );
8344                                 if ( cur ) {
8345                                         j = 0;
8346                                         while ( (clazz = classes[j++]) ) {
8347                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8348                                                         cur += clazz + " ";
8349                                                 }
8350                                         }
8352                                         // only assign if different to avoid unneeded rendering.
8353                                         finalValue = jQuery.trim( cur );
8354                                         if ( elem.className !== finalValue ) {
8355                                                 elem.className = finalValue;
8356                                         }
8357                                 }
8358                         }
8359                 }
8361                 return this;
8362         },
8364         removeClass: function( value ) {
8365                 var classes, elem, cur, clazz, j, finalValue,
8366                         i = 0,
8367                         len = this.length,
8368                         proceed = arguments.length === 0 || typeof value === "string" && value;
8370                 if ( jQuery.isFunction( value ) ) {
8371                         return this.each(function( j ) {
8372                                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
8373                         });
8374                 }
8375                 if ( proceed ) {
8376                         classes = ( value || "" ).match( rnotwhite ) || [];
8378                         for ( ; i < len; i++ ) {
8379                                 elem = this[ i ];
8380                                 // This expression is here for better compressibility (see addClass)
8381                                 cur = elem.nodeType === 1 && ( elem.className ?
8382                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8383                                         ""
8384                                 );
8386                                 if ( cur ) {
8387                                         j = 0;
8388                                         while ( (clazz = classes[j++]) ) {
8389                                                 // Remove *all* instances
8390                                                 while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
8391                                                         cur = cur.replace( " " + clazz + " ", " " );
8392                                                 }
8393                                         }
8395                                         // only assign if different to avoid unneeded rendering.
8396                                         finalValue = value ? jQuery.trim( cur ) : "";
8397                                         if ( elem.className !== finalValue ) {
8398                                                 elem.className = finalValue;
8399                                         }
8400                                 }
8401                         }
8402                 }
8404                 return this;
8405         },
8407         toggleClass: function( value, stateVal ) {
8408                 var type = typeof value;
8410                 if ( typeof stateVal === "boolean" && type === "string" ) {
8411                         return stateVal ? this.addClass( value ) : this.removeClass( value );
8412                 }
8414                 if ( jQuery.isFunction( value ) ) {
8415                         return this.each(function( i ) {
8416                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
8417                         });
8418                 }
8420                 return this.each(function() {
8421                         if ( type === "string" ) {
8422                                 // toggle individual class names
8423                                 var className,
8424                                         i = 0,
8425                                         self = jQuery( this ),
8426                                         classNames = value.match( rnotwhite ) || [];
8428                                 while ( (className = classNames[ i++ ]) ) {
8429                                         // check each className given, space separated list
8430                                         if ( self.hasClass( className ) ) {
8431                                                 self.removeClass( className );
8432                                         } else {
8433                                                 self.addClass( className );
8434                                         }
8435                                 }
8437                         // Toggle whole class name
8438                         } else if ( type === strundefined || type === "boolean" ) {
8439                                 if ( this.className ) {
8440                                         // store className if set
8441                                         jQuery._data( this, "__className__", this.className );
8442                                 }
8444                                 // If the element has a class name or if we're passed "false",
8445                                 // then remove the whole classname (if there was one, the above saved it).
8446                                 // Otherwise bring back whatever was previously saved (if anything),
8447                                 // falling back to the empty string if nothing was stored.
8448                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
8449                         }
8450                 });
8451         },
8453         hasClass: function( selector ) {
8454                 var className = " " + selector + " ",
8455                         i = 0,
8456                         l = this.length;
8457                 for ( ; i < l; i++ ) {
8458                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
8459                                 return true;
8460                         }
8461                 }
8463                 return false;
8464         }
8470 // Return jQuery for attributes-only inclusion
8473 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
8474         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8475         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
8477         // Handle event binding
8478         jQuery.fn[ name ] = function( data, fn ) {
8479                 return arguments.length > 0 ?
8480                         this.on( name, null, data, fn ) :
8481                         this.trigger( name );
8482         };
8485 jQuery.fn.extend({
8486         hover: function( fnOver, fnOut ) {
8487                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8488         },
8490         bind: function( types, data, fn ) {
8491                 return this.on( types, null, data, fn );
8492         },
8493         unbind: function( types, fn ) {
8494                 return this.off( types, null, fn );
8495         },
8497         delegate: function( selector, types, data, fn ) {
8498                 return this.on( types, selector, data, fn );
8499         },
8500         undelegate: function( selector, types, fn ) {
8501                 // ( namespace ) or ( selector, types [, fn] )
8502                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
8503         }
8507 var nonce = jQuery.now();
8509 var rquery = (/\?/);
8513 var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
8515 jQuery.parseJSON = function( data ) {
8516         // Attempt to parse using the native JSON parser first
8517         if ( window.JSON && window.JSON.parse ) {
8518                 // Support: Android 2.3
8519                 // Workaround failure to string-cast null input
8520                 return window.JSON.parse( data + "" );
8521         }
8523         var requireNonComma,
8524                 depth = null,
8525                 str = jQuery.trim( data + "" );
8527         // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
8528         // after removing valid tokens
8529         return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
8531                 // Force termination if we see a misplaced comma
8532                 if ( requireNonComma && comma ) {
8533                         depth = 0;
8534                 }
8536                 // Perform no more replacements after returning to outermost depth
8537                 if ( depth === 0 ) {
8538                         return token;
8539                 }
8541                 // Commas must not follow "[", "{", or ","
8542                 requireNonComma = open || comma;
8544                 // Determine new depth
8545                 // array/object open ("[" or "{"): depth += true - false (increment)
8546                 // array/object close ("]" or "}"): depth += false - true (decrement)
8547                 // other cases ("," or primitive): depth += true - true (numeric cast)
8548                 depth += !close - !open;
8550                 // Remove this token
8551                 return "";
8552         }) ) ?
8553                 ( Function( "return " + str ) )() :
8554                 jQuery.error( "Invalid JSON: " + data );
8558 // Cross-browser xml parsing
8559 jQuery.parseXML = function( data ) {
8560         var xml, tmp;
8561         if ( !data || typeof data !== "string" ) {
8562                 return null;
8563         }
8564         try {
8565                 if ( window.DOMParser ) { // Standard
8566                         tmp = new DOMParser();
8567                         xml = tmp.parseFromString( data, "text/xml" );
8568                 } else { // IE
8569                         xml = new ActiveXObject( "Microsoft.XMLDOM" );
8570                         xml.async = "false";
8571                         xml.loadXML( data );
8572                 }
8573         } catch( e ) {
8574                 xml = undefined;
8575         }
8576         if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
8577                 jQuery.error( "Invalid XML: " + data );
8578         }
8579         return xml;
8584         // Document location
8585         ajaxLocParts,
8586         ajaxLocation,
8588         rhash = /#.*$/,
8589         rts = /([?&])_=[^&]*/,
8590         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
8591         // #7653, #8125, #8152: local protocol detection
8592         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8593         rnoContent = /^(?:GET|HEAD)$/,
8594         rprotocol = /^\/\//,
8595         rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
8597         /* Prefilters
8598          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8599          * 2) These are called:
8600          *    - BEFORE asking for a transport
8601          *    - AFTER param serialization (s.data is a string if s.processData is true)
8602          * 3) key is the dataType
8603          * 4) the catchall symbol "*" can be used
8604          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8605          */
8606         prefilters = {},
8608         /* Transports bindings
8609          * 1) key is the dataType
8610          * 2) the catchall symbol "*" can be used
8611          * 3) selection will start with transport dataType and THEN go to "*" if needed
8612          */
8613         transports = {},
8615         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8616         allTypes = "*/".concat("*");
8618 // #8138, IE may throw an exception when accessing
8619 // a field from window.location if document.domain has been set
8620 try {
8621         ajaxLocation = location.href;
8622 } catch( e ) {
8623         // Use the href attribute of an A element
8624         // since IE will modify it given document.location
8625         ajaxLocation = document.createElement( "a" );
8626         ajaxLocation.href = "";
8627         ajaxLocation = ajaxLocation.href;
8630 // Segment location into parts
8631 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
8633 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8634 function addToPrefiltersOrTransports( structure ) {
8636         // dataTypeExpression is optional and defaults to "*"
8637         return function( dataTypeExpression, func ) {
8639                 if ( typeof dataTypeExpression !== "string" ) {
8640                         func = dataTypeExpression;
8641                         dataTypeExpression = "*";
8642                 }
8644                 var dataType,
8645                         i = 0,
8646                         dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
8648                 if ( jQuery.isFunction( func ) ) {
8649                         // For each dataType in the dataTypeExpression
8650                         while ( (dataType = dataTypes[i++]) ) {
8651                                 // Prepend if requested
8652                                 if ( dataType.charAt( 0 ) === "+" ) {
8653                                         dataType = dataType.slice( 1 ) || "*";
8654                                         (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
8656                                 // Otherwise append
8657                                 } else {
8658                                         (structure[ dataType ] = structure[ dataType ] || []).push( func );
8659                                 }
8660                         }
8661                 }
8662         };
8665 // Base inspection function for prefilters and transports
8666 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8668         var inspected = {},
8669                 seekingTransport = ( structure === transports );
8671         function inspect( dataType ) {
8672                 var selected;
8673                 inspected[ dataType ] = true;
8674                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8675                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8676                         if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8677                                 options.dataTypes.unshift( dataTypeOrTransport );
8678                                 inspect( dataTypeOrTransport );
8679                                 return false;
8680                         } else if ( seekingTransport ) {
8681                                 return !( selected = dataTypeOrTransport );
8682                         }
8683                 });
8684                 return selected;
8685         }
8687         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8690 // A special extend for ajax options
8691 // that takes "flat" options (not to be deep extended)
8692 // Fixes #9887
8693 function ajaxExtend( target, src ) {
8694         var deep, key,
8695                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8697         for ( key in src ) {
8698                 if ( src[ key ] !== undefined ) {
8699                         ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
8700                 }
8701         }
8702         if ( deep ) {
8703                 jQuery.extend( true, target, deep );
8704         }
8706         return target;
8709 /* Handles responses to an ajax request:
8710  * - finds the right dataType (mediates between content-type and expected dataType)
8711  * - returns the corresponding response
8712  */
8713 function ajaxHandleResponses( s, jqXHR, responses ) {
8714         var firstDataType, ct, finalDataType, type,
8715                 contents = s.contents,
8716                 dataTypes = s.dataTypes;
8718         // Remove auto dataType and get content-type in the process
8719         while ( dataTypes[ 0 ] === "*" ) {
8720                 dataTypes.shift();
8721                 if ( ct === undefined ) {
8722                         ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8723                 }
8724         }
8726         // Check if we're dealing with a known content-type
8727         if ( ct ) {
8728                 for ( type in contents ) {
8729                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8730                                 dataTypes.unshift( type );
8731                                 break;
8732                         }
8733                 }
8734         }
8736         // Check to see if we have a response for the expected dataType
8737         if ( dataTypes[ 0 ] in responses ) {
8738                 finalDataType = dataTypes[ 0 ];
8739         } else {
8740                 // Try convertible dataTypes
8741                 for ( type in responses ) {
8742                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8743                                 finalDataType = type;
8744                                 break;
8745                         }
8746                         if ( !firstDataType ) {
8747                                 firstDataType = type;
8748                         }
8749                 }
8750                 // Or just use first one
8751                 finalDataType = finalDataType || firstDataType;
8752         }
8754         // If we found a dataType
8755         // We add the dataType to the list if needed
8756         // and return the corresponding response
8757         if ( finalDataType ) {
8758                 if ( finalDataType !== dataTypes[ 0 ] ) {
8759                         dataTypes.unshift( finalDataType );
8760                 }
8761                 return responses[ finalDataType ];
8762         }
8765 /* Chain conversions given the request and the original response
8766  * Also sets the responseXXX fields on the jqXHR instance
8767  */
8768 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8769         var conv2, current, conv, tmp, prev,
8770                 converters = {},
8771                 // Work with a copy of dataTypes in case we need to modify it for conversion
8772                 dataTypes = s.dataTypes.slice();
8774         // Create converters map with lowercased keys
8775         if ( dataTypes[ 1 ] ) {
8776                 for ( conv in s.converters ) {
8777                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8778                 }
8779         }
8781         current = dataTypes.shift();
8783         // Convert to each sequential dataType
8784         while ( current ) {
8786                 if ( s.responseFields[ current ] ) {
8787                         jqXHR[ s.responseFields[ current ] ] = response;
8788                 }
8790                 // Apply the dataFilter if provided
8791                 if ( !prev && isSuccess && s.dataFilter ) {
8792                         response = s.dataFilter( response, s.dataType );
8793                 }
8795                 prev = current;
8796                 current = dataTypes.shift();
8798                 if ( current ) {
8800                         // There's only work to do if current dataType is non-auto
8801                         if ( current === "*" ) {
8803                                 current = prev;
8805                         // Convert response if prev dataType is non-auto and differs from current
8806                         } else if ( prev !== "*" && prev !== current ) {
8808                                 // Seek a direct converter
8809                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8811                                 // If none found, seek a pair
8812                                 if ( !conv ) {
8813                                         for ( conv2 in converters ) {
8815                                                 // If conv2 outputs current
8816                                                 tmp = conv2.split( " " );
8817                                                 if ( tmp[ 1 ] === current ) {
8819                                                         // If prev can be converted to accepted input
8820                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8821                                                                 converters[ "* " + tmp[ 0 ] ];
8822                                                         if ( conv ) {
8823                                                                 // Condense equivalence converters
8824                                                                 if ( conv === true ) {
8825                                                                         conv = converters[ conv2 ];
8827                                                                 // Otherwise, insert the intermediate dataType
8828                                                                 } else if ( converters[ conv2 ] !== true ) {
8829                                                                         current = tmp[ 0 ];
8830                                                                         dataTypes.unshift( tmp[ 1 ] );
8831                                                                 }
8832                                                                 break;
8833                                                         }
8834                                                 }
8835                                         }
8836                                 }
8838                                 // Apply converter (if not an equivalence)
8839                                 if ( conv !== true ) {
8841                                         // Unless errors are allowed to bubble, catch and return them
8842                                         if ( conv && s[ "throws" ] ) {
8843                                                 response = conv( response );
8844                                         } else {
8845                                                 try {
8846                                                         response = conv( response );
8847                                                 } catch ( e ) {
8848                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8849                                                 }
8850                                         }
8851                                 }
8852                         }
8853                 }
8854         }
8856         return { state: "success", data: response };
8859 jQuery.extend({
8861         // Counter for holding the number of active queries
8862         active: 0,
8864         // Last-Modified header cache for next request
8865         lastModified: {},
8866         etag: {},
8868         ajaxSettings: {
8869                 url: ajaxLocation,
8870                 type: "GET",
8871                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
8872                 global: true,
8873                 processData: true,
8874                 async: true,
8875                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8876                 /*
8877                 timeout: 0,
8878                 data: null,
8879                 dataType: null,
8880                 username: null,
8881                 password: null,
8882                 cache: null,
8883                 throws: false,
8884                 traditional: false,
8885                 headers: {},
8886                 */
8888                 accepts: {
8889                         "*": allTypes,
8890                         text: "text/plain",
8891                         html: "text/html",
8892                         xml: "application/xml, text/xml",
8893                         json: "application/json, text/javascript"
8894                 },
8896                 contents: {
8897                         xml: /xml/,
8898                         html: /html/,
8899                         json: /json/
8900                 },
8902                 responseFields: {
8903                         xml: "responseXML",
8904                         text: "responseText",
8905                         json: "responseJSON"
8906                 },
8908                 // Data converters
8909                 // Keys separate source (or catchall "*") and destination types with a single space
8910                 converters: {
8912                         // Convert anything to text
8913                         "* text": String,
8915                         // Text to html (true = no transformation)
8916                         "text html": true,
8918                         // Evaluate text as a json expression
8919                         "text json": jQuery.parseJSON,
8921                         // Parse text as xml
8922                         "text xml": jQuery.parseXML
8923                 },
8925                 // For options that shouldn't be deep extended:
8926                 // you can add your own custom options here if
8927                 // and when you create one that shouldn't be
8928                 // deep extended (see ajaxExtend)
8929                 flatOptions: {
8930                         url: true,
8931                         context: true
8932                 }
8933         },
8935         // Creates a full fledged settings object into target
8936         // with both ajaxSettings and settings fields.
8937         // If target is omitted, writes into ajaxSettings.
8938         ajaxSetup: function( target, settings ) {
8939                 return settings ?
8941                         // Building a settings object
8942                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8944                         // Extending ajaxSettings
8945                         ajaxExtend( jQuery.ajaxSettings, target );
8946         },
8948         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8949         ajaxTransport: addToPrefiltersOrTransports( transports ),
8951         // Main method
8952         ajax: function( url, options ) {
8954                 // If url is an object, simulate pre-1.5 signature
8955                 if ( typeof url === "object" ) {
8956                         options = url;
8957                         url = undefined;
8958                 }
8960                 // Force options to be an object
8961                 options = options || {};
8963                 var // Cross-domain detection vars
8964                         parts,
8965                         // Loop variable
8966                         i,
8967                         // URL without anti-cache param
8968                         cacheURL,
8969                         // Response headers as string
8970                         responseHeadersString,
8971                         // timeout handle
8972                         timeoutTimer,
8974                         // To know if global events are to be dispatched
8975                         fireGlobals,
8977                         transport,
8978                         // Response headers
8979                         responseHeaders,
8980                         // Create the final options object
8981                         s = jQuery.ajaxSetup( {}, options ),
8982                         // Callbacks context
8983                         callbackContext = s.context || s,
8984                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
8985                         globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
8986                                 jQuery( callbackContext ) :
8987                                 jQuery.event,
8988                         // Deferreds
8989                         deferred = jQuery.Deferred(),
8990                         completeDeferred = jQuery.Callbacks("once memory"),
8991                         // Status-dependent callbacks
8992                         statusCode = s.statusCode || {},
8993                         // Headers (they are sent all at once)
8994                         requestHeaders = {},
8995                         requestHeadersNames = {},
8996                         // The jqXHR state
8997                         state = 0,
8998                         // Default abort message
8999                         strAbort = "canceled",
9000                         // Fake xhr
9001                         jqXHR = {
9002                                 readyState: 0,
9004                                 // Builds headers hashtable if needed
9005                                 getResponseHeader: function( key ) {
9006                                         var match;
9007                                         if ( state === 2 ) {
9008                                                 if ( !responseHeaders ) {
9009                                                         responseHeaders = {};
9010                                                         while ( (match = rheaders.exec( responseHeadersString )) ) {
9011                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
9012                                                         }
9013                                                 }
9014                                                 match = responseHeaders[ key.toLowerCase() ];
9015                                         }
9016                                         return match == null ? null : match;
9017                                 },
9019                                 // Raw string
9020                                 getAllResponseHeaders: function() {
9021                                         return state === 2 ? responseHeadersString : null;
9022                                 },
9024                                 // Caches the header
9025                                 setRequestHeader: function( name, value ) {
9026                                         var lname = name.toLowerCase();
9027                                         if ( !state ) {
9028                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
9029                                                 requestHeaders[ name ] = value;
9030                                         }
9031                                         return this;
9032                                 },
9034                                 // Overrides response content-type header
9035                                 overrideMimeType: function( type ) {
9036                                         if ( !state ) {
9037                                                 s.mimeType = type;
9038                                         }
9039                                         return this;
9040                                 },
9042                                 // Status-dependent callbacks
9043                                 statusCode: function( map ) {
9044                                         var code;
9045                                         if ( map ) {
9046                                                 if ( state < 2 ) {
9047                                                         for ( code in map ) {
9048                                                                 // Lazy-add the new callback in a way that preserves old ones
9049                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9050                                                         }
9051                                                 } else {
9052                                                         // Execute the appropriate callbacks
9053                                                         jqXHR.always( map[ jqXHR.status ] );
9054                                                 }
9055                                         }
9056                                         return this;
9057                                 },
9059                                 // Cancel the request
9060                                 abort: function( statusText ) {
9061                                         var finalText = statusText || strAbort;
9062                                         if ( transport ) {
9063                                                 transport.abort( finalText );
9064                                         }
9065                                         done( 0, finalText );
9066                                         return this;
9067                                 }
9068                         };
9070                 // Attach deferreds
9071                 deferred.promise( jqXHR ).complete = completeDeferred.add;
9072                 jqXHR.success = jqXHR.done;
9073                 jqXHR.error = jqXHR.fail;
9075                 // Remove hash character (#7531: and string promotion)
9076                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
9077                 // Handle falsy url in the settings object (#10093: consistency with old signature)
9078                 // We also use the url parameter if available
9079                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
9081                 // Alias method option to type as per ticket #12004
9082                 s.type = options.method || options.type || s.method || s.type;
9084                 // Extract dataTypes list
9085                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
9087                 // A cross-domain request is in order when we have a protocol:host:port mismatch
9088                 if ( s.crossDomain == null ) {
9089                         parts = rurl.exec( s.url.toLowerCase() );
9090                         s.crossDomain = !!( parts &&
9091                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
9092                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
9093                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
9094                         );
9095                 }
9097                 // Convert data if not already a string
9098                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9099                         s.data = jQuery.param( s.data, s.traditional );
9100                 }
9102                 // Apply prefilters
9103                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9105                 // If request was aborted inside a prefilter, stop there
9106                 if ( state === 2 ) {
9107                         return jqXHR;
9108                 }
9110                 // We can fire global events as of now if asked to
9111                 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9112                 fireGlobals = jQuery.event && s.global;
9114                 // Watch for a new set of requests
9115                 if ( fireGlobals && jQuery.active++ === 0 ) {
9116                         jQuery.event.trigger("ajaxStart");
9117                 }
9119                 // Uppercase the type
9120                 s.type = s.type.toUpperCase();
9122                 // Determine if request has content
9123                 s.hasContent = !rnoContent.test( s.type );
9125                 // Save the URL in case we're toying with the If-Modified-Since
9126                 // and/or If-None-Match header later on
9127                 cacheURL = s.url;
9129                 // More options handling for requests with no content
9130                 if ( !s.hasContent ) {
9132                         // If data is available, append data to url
9133                         if ( s.data ) {
9134                                 cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
9135                                 // #9682: remove data so that it's not used in an eventual retry
9136                                 delete s.data;
9137                         }
9139                         // Add anti-cache in url if needed
9140                         if ( s.cache === false ) {
9141                                 s.url = rts.test( cacheURL ) ?
9143                                         // If there is already a '_' parameter, set its value
9144                                         cacheURL.replace( rts, "$1_=" + nonce++ ) :
9146                                         // Otherwise add one to the end
9147                                         cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
9148                         }
9149                 }
9151                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9152                 if ( s.ifModified ) {
9153                         if ( jQuery.lastModified[ cacheURL ] ) {
9154                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9155                         }
9156                         if ( jQuery.etag[ cacheURL ] ) {
9157                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9158                         }
9159                 }
9161                 // Set the correct header, if data is being sent
9162                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9163                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9164                 }
9166                 // Set the Accepts header for the server, depending on the dataType
9167                 jqXHR.setRequestHeader(
9168                         "Accept",
9169                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
9170                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9171                                 s.accepts[ "*" ]
9172                 );
9174                 // Check for headers option
9175                 for ( i in s.headers ) {
9176                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9177                 }
9179                 // Allow custom headers/mimetypes and early abort
9180                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
9181                         // Abort if not done already and return
9182                         return jqXHR.abort();
9183                 }
9185                 // aborting is no longer a cancellation
9186                 strAbort = "abort";
9188                 // Install callbacks on deferreds
9189                 for ( i in { success: 1, error: 1, complete: 1 } ) {
9190                         jqXHR[ i ]( s[ i ] );
9191                 }
9193                 // Get transport
9194                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9196                 // If no transport, we auto-abort
9197                 if ( !transport ) {
9198                         done( -1, "No Transport" );
9199                 } else {
9200                         jqXHR.readyState = 1;
9202                         // Send global event
9203                         if ( fireGlobals ) {
9204                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9205                         }
9206                         // Timeout
9207                         if ( s.async && s.timeout > 0 ) {
9208                                 timeoutTimer = setTimeout(function() {
9209                                         jqXHR.abort("timeout");
9210                                 }, s.timeout );
9211                         }
9213                         try {
9214                                 state = 1;
9215                                 transport.send( requestHeaders, done );
9216                         } catch ( e ) {
9217                                 // Propagate exception as error if not done
9218                                 if ( state < 2 ) {
9219                                         done( -1, e );
9220                                 // Simply rethrow otherwise
9221                                 } else {
9222                                         throw e;
9223                                 }
9224                         }
9225                 }
9227                 // Callback for when everything is done
9228                 function done( status, nativeStatusText, responses, headers ) {
9229                         var isSuccess, success, error, response, modified,
9230                                 statusText = nativeStatusText;
9232                         // Called once
9233                         if ( state === 2 ) {
9234                                 return;
9235                         }
9237                         // State is "done" now
9238                         state = 2;
9240                         // Clear timeout if it exists
9241                         if ( timeoutTimer ) {
9242                                 clearTimeout( timeoutTimer );
9243                         }
9245                         // Dereference transport for early garbage collection
9246                         // (no matter how long the jqXHR object will be used)
9247                         transport = undefined;
9249                         // Cache response headers
9250                         responseHeadersString = headers || "";
9252                         // Set readyState
9253                         jqXHR.readyState = status > 0 ? 4 : 0;
9255                         // Determine if successful
9256                         isSuccess = status >= 200 && status < 300 || status === 304;
9258                         // Get response data
9259                         if ( responses ) {
9260                                 response = ajaxHandleResponses( s, jqXHR, responses );
9261                         }
9263                         // Convert no matter what (that way responseXXX fields are always set)
9264                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9266                         // If successful, handle type chaining
9267                         if ( isSuccess ) {
9269                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9270                                 if ( s.ifModified ) {
9271                                         modified = jqXHR.getResponseHeader("Last-Modified");
9272                                         if ( modified ) {
9273                                                 jQuery.lastModified[ cacheURL ] = modified;
9274                                         }
9275                                         modified = jqXHR.getResponseHeader("etag");
9276                                         if ( modified ) {
9277                                                 jQuery.etag[ cacheURL ] = modified;
9278                                         }
9279                                 }
9281                                 // if no content
9282                                 if ( status === 204 || s.type === "HEAD" ) {
9283                                         statusText = "nocontent";
9285                                 // if not modified
9286                                 } else if ( status === 304 ) {
9287                                         statusText = "notmodified";
9289                                 // If we have data, let's convert it
9290                                 } else {
9291                                         statusText = response.state;
9292                                         success = response.data;
9293                                         error = response.error;
9294                                         isSuccess = !error;
9295                                 }
9296                         } else {
9297                                 // We extract error from statusText
9298                                 // then normalize statusText and status for non-aborts
9299                                 error = statusText;
9300                                 if ( status || !statusText ) {
9301                                         statusText = "error";
9302                                         if ( status < 0 ) {
9303                                                 status = 0;
9304                                         }
9305                                 }
9306                         }
9308                         // Set data for the fake xhr object
9309                         jqXHR.status = status;
9310                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9312                         // Success/Error
9313                         if ( isSuccess ) {
9314                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9315                         } else {
9316                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9317                         }
9319                         // Status-dependent callbacks
9320                         jqXHR.statusCode( statusCode );
9321                         statusCode = undefined;
9323                         if ( fireGlobals ) {
9324                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9325                                         [ jqXHR, s, isSuccess ? success : error ] );
9326                         }
9328                         // Complete
9329                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9331                         if ( fireGlobals ) {
9332                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9333                                 // Handle the global AJAX counter
9334                                 if ( !( --jQuery.active ) ) {
9335                                         jQuery.event.trigger("ajaxStop");
9336                                 }
9337                         }
9338                 }
9340                 return jqXHR;
9341         },
9343         getJSON: function( url, data, callback ) {
9344                 return jQuery.get( url, data, callback, "json" );
9345         },
9347         getScript: function( url, callback ) {
9348                 return jQuery.get( url, undefined, callback, "script" );
9349         }
9352 jQuery.each( [ "get", "post" ], function( i, method ) {
9353         jQuery[ method ] = function( url, data, callback, type ) {
9354                 // shift arguments if data argument was omitted
9355                 if ( jQuery.isFunction( data ) ) {
9356                         type = type || callback;
9357                         callback = data;
9358                         data = undefined;
9359                 }
9361                 return jQuery.ajax({
9362                         url: url,
9363                         type: method,
9364                         dataType: type,
9365                         data: data,
9366                         success: callback
9367                 });
9368         };
9372 jQuery._evalUrl = function( url ) {
9373         return jQuery.ajax({
9374                 url: url,
9375                 type: "GET",
9376                 dataType: "script",
9377                 async: false,
9378                 global: false,
9379                 "throws": true
9380         });
9384 jQuery.fn.extend({
9385         wrapAll: function( html ) {
9386                 if ( jQuery.isFunction( html ) ) {
9387                         return this.each(function(i) {
9388                                 jQuery(this).wrapAll( html.call(this, i) );
9389                         });
9390                 }
9392                 if ( this[0] ) {
9393                         // The elements to wrap the target around
9394                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
9396                         if ( this[0].parentNode ) {
9397                                 wrap.insertBefore( this[0] );
9398                         }
9400                         wrap.map(function() {
9401                                 var elem = this;
9403                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
9404                                         elem = elem.firstChild;
9405                                 }
9407                                 return elem;
9408                         }).append( this );
9409                 }
9411                 return this;
9412         },
9414         wrapInner: function( html ) {
9415                 if ( jQuery.isFunction( html ) ) {
9416                         return this.each(function(i) {
9417                                 jQuery(this).wrapInner( html.call(this, i) );
9418                         });
9419                 }
9421                 return this.each(function() {
9422                         var self = jQuery( this ),
9423                                 contents = self.contents();
9425                         if ( contents.length ) {
9426                                 contents.wrapAll( html );
9428                         } else {
9429                                 self.append( html );
9430                         }
9431                 });
9432         },
9434         wrap: function( html ) {
9435                 var isFunction = jQuery.isFunction( html );
9437                 return this.each(function(i) {
9438                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
9439                 });
9440         },
9442         unwrap: function() {
9443                 return this.parent().each(function() {
9444                         if ( !jQuery.nodeName( this, "body" ) ) {
9445                                 jQuery( this ).replaceWith( this.childNodes );
9446                         }
9447                 }).end();
9448         }
9452 jQuery.expr.filters.hidden = function( elem ) {
9453         // Support: Opera <= 12.12
9454         // Opera reports offsetWidths and offsetHeights less than zero on some elements
9455         return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
9456                 (!support.reliableHiddenOffsets() &&
9457                         ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
9460 jQuery.expr.filters.visible = function( elem ) {
9461         return !jQuery.expr.filters.hidden( elem );
9467 var r20 = /%20/g,
9468         rbracket = /\[\]$/,
9469         rCRLF = /\r?\n/g,
9470         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
9471         rsubmittable = /^(?:input|select|textarea|keygen)/i;
9473 function buildParams( prefix, obj, traditional, add ) {
9474         var name;
9476         if ( jQuery.isArray( obj ) ) {
9477                 // Serialize array item.
9478                 jQuery.each( obj, function( i, v ) {
9479                         if ( traditional || rbracket.test( prefix ) ) {
9480                                 // Treat each array item as a scalar.
9481                                 add( prefix, v );
9483                         } else {
9484                                 // Item is non-scalar (array or object), encode its numeric index.
9485                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
9486                         }
9487                 });
9489         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
9490                 // Serialize object item.
9491                 for ( name in obj ) {
9492                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
9493                 }
9495         } else {
9496                 // Serialize scalar item.
9497                 add( prefix, obj );
9498         }
9501 // Serialize an array of form elements or a set of
9502 // key/values into a query string
9503 jQuery.param = function( a, traditional ) {
9504         var prefix,
9505                 s = [],
9506                 add = function( key, value ) {
9507                         // If value is a function, invoke it and return its value
9508                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
9509                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
9510                 };
9512         // Set traditional to true for jQuery <= 1.3.2 behavior.
9513         if ( traditional === undefined ) {
9514                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
9515         }
9517         // If an array was passed in, assume that it is an array of form elements.
9518         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
9519                 // Serialize the form elements
9520                 jQuery.each( a, function() {
9521                         add( this.name, this.value );
9522                 });
9524         } else {
9525                 // If traditional, encode the "old" way (the way 1.3.2 or older
9526                 // did it), otherwise encode params recursively.
9527                 for ( prefix in a ) {
9528                         buildParams( prefix, a[ prefix ], traditional, add );
9529                 }
9530         }
9532         // Return the resulting serialization
9533         return s.join( "&" ).replace( r20, "+" );
9536 jQuery.fn.extend({
9537         serialize: function() {
9538                 return jQuery.param( this.serializeArray() );
9539         },
9540         serializeArray: function() {
9541                 return this.map(function() {
9542                         // Can add propHook for "elements" to filter or add form elements
9543                         var elements = jQuery.prop( this, "elements" );
9544                         return elements ? jQuery.makeArray( elements ) : this;
9545                 })
9546                 .filter(function() {
9547                         var type = this.type;
9548                         // Use .is(":disabled") so that fieldset[disabled] works
9549                         return this.name && !jQuery( this ).is( ":disabled" ) &&
9550                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
9551                                 ( this.checked || !rcheckableType.test( type ) );
9552                 })
9553                 .map(function( i, elem ) {
9554                         var val = jQuery( this ).val();
9556                         return val == null ?
9557                                 null :
9558                                 jQuery.isArray( val ) ?
9559                                         jQuery.map( val, function( val ) {
9560                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9561                                         }) :
9562                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9563                 }).get();
9564         }
9568 // Create the request object
9569 // (This is still attached to ajaxSettings for backward compatibility)
9570 jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
9571         // Support: IE6+
9572         function() {
9574                 // XHR cannot access local files, always use ActiveX for that case
9575                 return !this.isLocal &&
9577                         // Support: IE7-8
9578                         // oldIE XHR does not support non-RFC2616 methods (#13240)
9579                         // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
9580                         // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
9581                         // Although this check for six methods instead of eight
9582                         // since IE also does not support "trace" and "connect"
9583                         /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
9585                         createStandardXHR() || createActiveXHR();
9586         } :
9587         // For all other browsers, use the standard XMLHttpRequest object
9588         createStandardXHR;
9590 var xhrId = 0,
9591         xhrCallbacks = {},
9592         xhrSupported = jQuery.ajaxSettings.xhr();
9594 // Support: IE<10
9595 // Open requests must be manually aborted on unload (#5280)
9596 // See https://support.microsoft.com/kb/2856746 for more info
9597 if ( window.attachEvent ) {
9598         window.attachEvent( "onunload", function() {
9599                 for ( var key in xhrCallbacks ) {
9600                         xhrCallbacks[ key ]( undefined, true );
9601                 }
9602         });
9605 // Determine support properties
9606 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9607 xhrSupported = support.ajax = !!xhrSupported;
9609 // Create transport if the browser can provide an xhr
9610 if ( xhrSupported ) {
9612         jQuery.ajaxTransport(function( options ) {
9613                 // Cross domain only allowed if supported through XMLHttpRequest
9614                 if ( !options.crossDomain || support.cors ) {
9616                         var callback;
9618                         return {
9619                                 send: function( headers, complete ) {
9620                                         var i,
9621                                                 xhr = options.xhr(),
9622                                                 id = ++xhrId;
9624                                         // Open the socket
9625                                         xhr.open( options.type, options.url, options.async, options.username, options.password );
9627                                         // Apply custom fields if provided
9628                                         if ( options.xhrFields ) {
9629                                                 for ( i in options.xhrFields ) {
9630                                                         xhr[ i ] = options.xhrFields[ i ];
9631                                                 }
9632                                         }
9634                                         // Override mime type if needed
9635                                         if ( options.mimeType && xhr.overrideMimeType ) {
9636                                                 xhr.overrideMimeType( options.mimeType );
9637                                         }
9639                                         // X-Requested-With header
9640                                         // For cross-domain requests, seeing as conditions for a preflight are
9641                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
9642                                         // (it can always be set on a per-request basis or even using ajaxSetup)
9643                                         // For same-domain requests, won't change header if already provided.
9644                                         if ( !options.crossDomain && !headers["X-Requested-With"] ) {
9645                                                 headers["X-Requested-With"] = "XMLHttpRequest";
9646                                         }
9648                                         // Set headers
9649                                         for ( i in headers ) {
9650                                                 // Support: IE<9
9651                                                 // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
9652                                                 // request header to a null-value.
9653                                                 //
9654                                                 // To keep consistent with other XHR implementations, cast the value
9655                                                 // to string and ignore `undefined`.
9656                                                 if ( headers[ i ] !== undefined ) {
9657                                                         xhr.setRequestHeader( i, headers[ i ] + "" );
9658                                                 }
9659                                         }
9661                                         // Do send the request
9662                                         // This may raise an exception which is actually
9663                                         // handled in jQuery.ajax (so no try/catch here)
9664                                         xhr.send( ( options.hasContent && options.data ) || null );
9666                                         // Listener
9667                                         callback = function( _, isAbort ) {
9668                                                 var status, statusText, responses;
9670                                                 // Was never called and is aborted or complete
9671                                                 if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
9672                                                         // Clean up
9673                                                         delete xhrCallbacks[ id ];
9674                                                         callback = undefined;
9675                                                         xhr.onreadystatechange = jQuery.noop;
9677                                                         // Abort manually if needed
9678                                                         if ( isAbort ) {
9679                                                                 if ( xhr.readyState !== 4 ) {
9680                                                                         xhr.abort();
9681                                                                 }
9682                                                         } else {
9683                                                                 responses = {};
9684                                                                 status = xhr.status;
9686                                                                 // Support: IE<10
9687                                                                 // Accessing binary-data responseText throws an exception
9688                                                                 // (#11426)
9689                                                                 if ( typeof xhr.responseText === "string" ) {
9690                                                                         responses.text = xhr.responseText;
9691                                                                 }
9693                                                                 // Firefox throws an exception when accessing
9694                                                                 // statusText for faulty cross-domain requests
9695                                                                 try {
9696                                                                         statusText = xhr.statusText;
9697                                                                 } catch( e ) {
9698                                                                         // We normalize with Webkit giving an empty statusText
9699                                                                         statusText = "";
9700                                                                 }
9702                                                                 // Filter status for non standard behaviors
9704                                                                 // If the request is local and we have data: assume a success
9705                                                                 // (success with no data won't get notified, that's the best we
9706                                                                 // can do given current implementations)
9707                                                                 if ( !status && options.isLocal && !options.crossDomain ) {
9708                                                                         status = responses.text ? 200 : 404;
9709                                                                 // IE - #1450: sometimes returns 1223 when it should be 204
9710                                                                 } else if ( status === 1223 ) {
9711                                                                         status = 204;
9712                                                                 }
9713                                                         }
9714                                                 }
9716                                                 // Call complete if needed
9717                                                 if ( responses ) {
9718                                                         complete( status, statusText, responses, xhr.getAllResponseHeaders() );
9719                                                 }
9720                                         };
9722                                         if ( !options.async ) {
9723                                                 // if we're in sync mode we fire the callback
9724                                                 callback();
9725                                         } else if ( xhr.readyState === 4 ) {
9726                                                 // (IE6 & IE7) if it's in cache and has been
9727                                                 // retrieved directly we need to fire the callback
9728                                                 setTimeout( callback );
9729                                         } else {
9730                                                 // Add to the list of active xhr callbacks
9731                                                 xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
9732                                         }
9733                                 },
9735                                 abort: function() {
9736                                         if ( callback ) {
9737                                                 callback( undefined, true );
9738                                         }
9739                                 }
9740                         };
9741                 }
9742         });
9745 // Functions to create xhrs
9746 function createStandardXHR() {
9747         try {
9748                 return new window.XMLHttpRequest();
9749         } catch( e ) {}
9752 function createActiveXHR() {
9753         try {
9754                 return new window.ActiveXObject( "Microsoft.XMLHTTP" );
9755         } catch( e ) {}
9761 // Install script dataType
9762 jQuery.ajaxSetup({
9763         accepts: {
9764                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
9765         },
9766         contents: {
9767                 script: /(?:java|ecma)script/
9768         },
9769         converters: {
9770                 "text script": function( text ) {
9771                         jQuery.globalEval( text );
9772                         return text;
9773                 }
9774         }
9777 // Handle cache's special case and global
9778 jQuery.ajaxPrefilter( "script", function( s ) {
9779         if ( s.cache === undefined ) {
9780                 s.cache = false;
9781         }
9782         if ( s.crossDomain ) {
9783                 s.type = "GET";
9784                 s.global = false;
9785         }
9788 // Bind script tag hack transport
9789 jQuery.ajaxTransport( "script", function(s) {
9791         // This transport only deals with cross domain requests
9792         if ( s.crossDomain ) {
9794                 var script,
9795                         head = document.head || jQuery("head")[0] || document.documentElement;
9797                 return {
9799                         send: function( _, callback ) {
9801                                 script = document.createElement("script");
9803                                 script.async = true;
9805                                 if ( s.scriptCharset ) {
9806                                         script.charset = s.scriptCharset;
9807                                 }
9809                                 script.src = s.url;
9811                                 // Attach handlers for all browsers
9812                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
9814                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
9816                                                 // Handle memory leak in IE
9817                                                 script.onload = script.onreadystatechange = null;
9819                                                 // Remove the script
9820                                                 if ( script.parentNode ) {
9821                                                         script.parentNode.removeChild( script );
9822                                                 }
9824                                                 // Dereference the script
9825                                                 script = null;
9827                                                 // Callback if not abort
9828                                                 if ( !isAbort ) {
9829                                                         callback( 200, "success" );
9830                                                 }
9831                                         }
9832                                 };
9834                                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
9835                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9836                                 head.insertBefore( script, head.firstChild );
9837                         },
9839                         abort: function() {
9840                                 if ( script ) {
9841                                         script.onload( undefined, true );
9842                                 }
9843                         }
9844                 };
9845         }
9851 var oldCallbacks = [],
9852         rjsonp = /(=)\?(?=&|$)|\?\?/;
9854 // Default jsonp settings
9855 jQuery.ajaxSetup({
9856         jsonp: "callback",
9857         jsonpCallback: function() {
9858                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9859                 this[ callback ] = true;
9860                 return callback;
9861         }
9864 // Detect, normalize options and install callbacks for jsonp requests
9865 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9867         var callbackName, overwritten, responseContainer,
9868                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9869                         "url" :
9870                         typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
9871                 );
9873         // Handle iff the expected data type is "jsonp" or we have a parameter to set
9874         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9876                 // Get callback name, remembering preexisting value associated with it
9877                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9878                         s.jsonpCallback() :
9879                         s.jsonpCallback;
9881                 // Insert callback into url or form data
9882                 if ( jsonProp ) {
9883                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9884                 } else if ( s.jsonp !== false ) {
9885                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9886                 }
9888                 // Use data converter to retrieve json after script execution
9889                 s.converters["script json"] = function() {
9890                         if ( !responseContainer ) {
9891                                 jQuery.error( callbackName + " was not called" );
9892                         }
9893                         return responseContainer[ 0 ];
9894                 };
9896                 // force json dataType
9897                 s.dataTypes[ 0 ] = "json";
9899                 // Install callback
9900                 overwritten = window[ callbackName ];
9901                 window[ callbackName ] = function() {
9902                         responseContainer = arguments;
9903                 };
9905                 // Clean-up function (fires after converters)
9906                 jqXHR.always(function() {
9907                         // Restore preexisting value
9908                         window[ callbackName ] = overwritten;
9910                         // Save back as free
9911                         if ( s[ callbackName ] ) {
9912                                 // make sure that re-using the options doesn't screw things around
9913                                 s.jsonpCallback = originalSettings.jsonpCallback;
9915                                 // save the callback name for future use
9916                                 oldCallbacks.push( callbackName );
9917                         }
9919                         // Call if it was a function and we have a response
9920                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9921                                 overwritten( responseContainer[ 0 ] );
9922                         }
9924                         responseContainer = overwritten = undefined;
9925                 });
9927                 // Delegate to script
9928                 return "script";
9929         }
9935 // data: string of html
9936 // context (optional): If specified, the fragment will be created in this context, defaults to document
9937 // keepScripts (optional): If true, will include scripts passed in the html string
9938 jQuery.parseHTML = function( data, context, keepScripts ) {
9939         if ( !data || typeof data !== "string" ) {
9940                 return null;
9941         }
9942         if ( typeof context === "boolean" ) {
9943                 keepScripts = context;
9944                 context = false;
9945         }
9946         context = context || document;
9948         var parsed = rsingleTag.exec( data ),
9949                 scripts = !keepScripts && [];
9951         // Single tag
9952         if ( parsed ) {
9953                 return [ context.createElement( parsed[1] ) ];
9954         }
9956         parsed = jQuery.buildFragment( [ data ], context, scripts );
9958         if ( scripts && scripts.length ) {
9959                 jQuery( scripts ).remove();
9960         }
9962         return jQuery.merge( [], parsed.childNodes );
9966 // Keep a copy of the old load method
9967 var _load = jQuery.fn.load;
9970  * Load a url into a page
9971  */
9972 jQuery.fn.load = function( url, params, callback ) {
9973         if ( typeof url !== "string" && _load ) {
9974                 return _load.apply( this, arguments );
9975         }
9977         var selector, response, type,
9978                 self = this,
9979                 off = url.indexOf(" ");
9981         if ( off >= 0 ) {
9982                 selector = jQuery.trim( url.slice( off, url.length ) );
9983                 url = url.slice( 0, off );
9984         }
9986         // If it's a function
9987         if ( jQuery.isFunction( params ) ) {
9989                 // We assume that it's the callback
9990                 callback = params;
9991                 params = undefined;
9993         // Otherwise, build a param string
9994         } else if ( params && typeof params === "object" ) {
9995                 type = "POST";
9996         }
9998         // If we have elements to modify, make the request
9999         if ( self.length > 0 ) {
10000                 jQuery.ajax({
10001                         url: url,
10003                         // if "type" variable is undefined, then "GET" method will be used
10004                         type: type,
10005                         dataType: "html",
10006                         data: params
10007                 }).done(function( responseText ) {
10009                         // Save response for use in complete callback
10010                         response = arguments;
10012                         self.html( selector ?
10014                                 // If a selector was specified, locate the right elements in a dummy div
10015                                 // Exclude scripts to avoid IE 'Permission Denied' errors
10016                                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
10018                                 // Otherwise use the full result
10019                                 responseText );
10021                 }).complete( callback && function( jqXHR, status ) {
10022                         self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
10023                 });
10024         }
10026         return this;
10032 // Attach a bunch of functions for handling common AJAX events
10033 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
10034         jQuery.fn[ type ] = function( fn ) {
10035                 return this.on( type, fn );
10036         };
10042 jQuery.expr.filters.animated = function( elem ) {
10043         return jQuery.grep(jQuery.timers, function( fn ) {
10044                 return elem === fn.elem;
10045         }).length;
10052 var docElem = window.document.documentElement;
10055  * Gets a window from an element
10056  */
10057 function getWindow( elem ) {
10058         return jQuery.isWindow( elem ) ?
10059                 elem :
10060                 elem.nodeType === 9 ?
10061                         elem.defaultView || elem.parentWindow :
10062                         false;
10065 jQuery.offset = {
10066         setOffset: function( elem, options, i ) {
10067                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10068                         position = jQuery.css( elem, "position" ),
10069                         curElem = jQuery( elem ),
10070                         props = {};
10072                 // set position first, in-case top/left are set even on static elem
10073                 if ( position === "static" ) {
10074                         elem.style.position = "relative";
10075                 }
10077                 curOffset = curElem.offset();
10078                 curCSSTop = jQuery.css( elem, "top" );
10079                 curCSSLeft = jQuery.css( elem, "left" );
10080                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10081                         jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
10083                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
10084                 if ( calculatePosition ) {
10085                         curPosition = curElem.position();
10086                         curTop = curPosition.top;
10087                         curLeft = curPosition.left;
10088                 } else {
10089                         curTop = parseFloat( curCSSTop ) || 0;
10090                         curLeft = parseFloat( curCSSLeft ) || 0;
10091                 }
10093                 if ( jQuery.isFunction( options ) ) {
10094                         options = options.call( elem, i, curOffset );
10095                 }
10097                 if ( options.top != null ) {
10098                         props.top = ( options.top - curOffset.top ) + curTop;
10099                 }
10100                 if ( options.left != null ) {
10101                         props.left = ( options.left - curOffset.left ) + curLeft;
10102                 }
10104                 if ( "using" in options ) {
10105                         options.using.call( elem, props );
10106                 } else {
10107                         curElem.css( props );
10108                 }
10109         }
10112 jQuery.fn.extend({
10113         offset: function( options ) {
10114                 if ( arguments.length ) {
10115                         return options === undefined ?
10116                                 this :
10117                                 this.each(function( i ) {
10118                                         jQuery.offset.setOffset( this, options, i );
10119                                 });
10120                 }
10122                 var docElem, win,
10123                         box = { top: 0, left: 0 },
10124                         elem = this[ 0 ],
10125                         doc = elem && elem.ownerDocument;
10127                 if ( !doc ) {
10128                         return;
10129                 }
10131                 docElem = doc.documentElement;
10133                 // Make sure it's not a disconnected DOM node
10134                 if ( !jQuery.contains( docElem, elem ) ) {
10135                         return box;
10136                 }
10138                 // If we don't have gBCR, just use 0,0 rather than error
10139                 // BlackBerry 5, iOS 3 (original iPhone)
10140                 if ( typeof elem.getBoundingClientRect !== strundefined ) {
10141                         box = elem.getBoundingClientRect();
10142                 }
10143                 win = getWindow( doc );
10144                 return {
10145                         top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
10146                         left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
10147                 };
10148         },
10150         position: function() {
10151                 if ( !this[ 0 ] ) {
10152                         return;
10153                 }
10155                 var offsetParent, offset,
10156                         parentOffset = { top: 0, left: 0 },
10157                         elem = this[ 0 ];
10159                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
10160                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10161                         // we assume that getBoundingClientRect is available when computed position is fixed
10162                         offset = elem.getBoundingClientRect();
10163                 } else {
10164                         // Get *real* offsetParent
10165                         offsetParent = this.offsetParent();
10167                         // Get correct offsets
10168                         offset = this.offset();
10169                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
10170                                 parentOffset = offsetParent.offset();
10171                         }
10173                         // Add offsetParent borders
10174                         parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
10175                         parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
10176                 }
10178                 // Subtract parent offsets and element margins
10179                 // note: when an element has margin: auto the offsetLeft and marginLeft
10180                 // are the same in Safari causing offset.left to incorrectly be 0
10181                 return {
10182                         top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10183                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
10184                 };
10185         },
10187         offsetParent: function() {
10188                 return this.map(function() {
10189                         var offsetParent = this.offsetParent || docElem;
10191                         while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
10192                                 offsetParent = offsetParent.offsetParent;
10193                         }
10194                         return offsetParent || docElem;
10195                 });
10196         }
10199 // Create scrollLeft and scrollTop methods
10200 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10201         var top = /Y/.test( prop );
10203         jQuery.fn[ method ] = function( val ) {
10204                 return access( this, function( elem, method, val ) {
10205                         var win = getWindow( elem );
10207                         if ( val === undefined ) {
10208                                 return win ? (prop in win) ? win[ prop ] :
10209                                         win.document.documentElement[ method ] :
10210                                         elem[ method ];
10211                         }
10213                         if ( win ) {
10214                                 win.scrollTo(
10215                                         !top ? val : jQuery( win ).scrollLeft(),
10216                                         top ? val : jQuery( win ).scrollTop()
10217                                 );
10219                         } else {
10220                                 elem[ method ] = val;
10221                         }
10222                 }, method, val, arguments.length, null );
10223         };
10226 // Add the top/left cssHooks using jQuery.fn.position
10227 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10228 // getComputedStyle returns percent when specified for top/left/bottom/right
10229 // rather than make the css module depend on the offset module, we just check for it here
10230 jQuery.each( [ "top", "left" ], function( i, prop ) {
10231         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10232                 function( elem, computed ) {
10233                         if ( computed ) {
10234                                 computed = curCSS( elem, prop );
10235                                 // if curCSS returns percentage, fallback to offset
10236                                 return rnumnonpx.test( computed ) ?
10237                                         jQuery( elem ).position()[ prop ] + "px" :
10238                                         computed;
10239                         }
10240                 }
10241         );
10245 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10246 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10247         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
10248                 // margin is only for outerHeight, outerWidth
10249                 jQuery.fn[ funcName ] = function( margin, value ) {
10250                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10251                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10253                         return access( this, function( elem, type, value ) {
10254                                 var doc;
10256                                 if ( jQuery.isWindow( elem ) ) {
10257                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
10258                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
10259                                         // https://github.com/jquery/jquery/pull/764
10260                                         return elem.document.documentElement[ "client" + name ];
10261                                 }
10263                                 // Get document width or height
10264                                 if ( elem.nodeType === 9 ) {
10265                                         doc = elem.documentElement;
10267                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
10268                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
10269                                         return Math.max(
10270                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10271                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10272                                                 doc[ "client" + name ]
10273                                         );
10274                                 }
10276                                 return value === undefined ?
10277                                         // Get width or height on the element, requesting but not forcing parseFloat
10278                                         jQuery.css( elem, type, extra ) :
10280                                         // Set width or height on the element
10281                                         jQuery.style( elem, type, value, extra );
10282                         }, type, chainable ? margin : undefined, chainable, null );
10283                 };
10284         });
10288 // The number of elements contained in the matched element set
10289 jQuery.fn.size = function() {
10290         return this.length;
10293 jQuery.fn.andSelf = jQuery.fn.addBack;
10298 // Register as a named AMD module, since jQuery can be concatenated with other
10299 // files that may use define, but not via a proper concatenation script that
10300 // understands anonymous AMD modules. A named AMD is safest and most robust
10301 // way to register. Lowercase jquery is used because AMD module names are
10302 // derived from file names, and jQuery is normally delivered in a lowercase
10303 // file name. Do this after creating the global so that if an AMD module wants
10304 // to call noConflict to hide this version of jQuery, it will work.
10306 // Note that for maximum portability, libraries that are not jQuery should
10307 // declare themselves as anonymous modules, and avoid setting a global if an
10308 // AMD loader is present. jQuery is a special case. For more information, see
10309 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10311 if ( typeof define === "function" && define.amd ) {
10312         define( "jquery", [], function() {
10313                 return jQuery;
10314         });
10321         // Map over jQuery in case of overwrite
10322         _jQuery = window.jQuery,
10324         // Map over the $ in case of overwrite
10325         _$ = window.$;
10327 jQuery.noConflict = function( deep ) {
10328         if ( window.$ === jQuery ) {
10329                 window.$ = _$;
10330         }
10332         if ( deep && window.jQuery === jQuery ) {
10333                 window.jQuery = _jQuery;
10334         }
10336         return jQuery;
10339 // Expose jQuery and $ identifiers, even in
10340 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10341 // and CommonJS for browser emulators (#13566)
10342 if ( typeof noGlobal === strundefined ) {
10343         window.jQuery = window.$ = jQuery;
10349 return jQuery;
10351 }));