implement preload_id/preload_type url scheme for backwards compatibility.
[sgn.git] / js / jquery.js
blobc5c648255c1574dcc95c506b82c25044f0972dfd
1 /*!
2  * jQuery JavaScript Library v1.10.2
3  * http://jquery.com/
4  *
5  * Includes Sizzle.js
6  * http://sizzlejs.com/
7  *
8  * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
9  * Released under the MIT license
10  * http://jquery.org/license
11  *
12  * Date: 2013-07-03T13:48Z
13  */
14 (function( window, undefined ) {
16 // Can't do this because several apps including ASP.NET trace
17 // the stack via arguments.caller.callee and Firefox dies if
18 // you try to trace through "use strict" call chains. (#13335)
19 // Support: Firefox 18+
20 //"use strict";
21 var
22         // The deferred used on DOM ready
23         readyList,
25         // A central reference to the root jQuery(document)
26         rootjQuery,
28         // Support: IE<10
29         // For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
30         core_strundefined = typeof undefined,
32         // Use the correct document accordingly with window argument (sandbox)
33         location = window.location,
34         document = window.document,
35         docElem = document.documentElement,
37         // Map over jQuery in case of overwrite
38         _jQuery = window.jQuery,
40         // Map over the $ in case of overwrite
41         _$ = window.$,
43         // [[Class]] -> type pairs
44         class2type = {},
46         // List of deleted data cache ids, so we can reuse them
47         core_deletedIds = [],
49         core_version = "1.10.2",
51         // Save a reference to some core methods
52         core_concat = core_deletedIds.concat,
53         core_push = core_deletedIds.push,
54         core_slice = core_deletedIds.slice,
55         core_indexOf = core_deletedIds.indexOf,
56         core_toString = class2type.toString,
57         core_hasOwn = class2type.hasOwnProperty,
58         core_trim = core_version.trim,
60         // Define a local copy of jQuery
61         jQuery = function( selector, context ) {
62                 // The jQuery object is actually just the init constructor 'enhanced'
63                 return new jQuery.fn.init( selector, context, rootjQuery );
64         },
66         // Used for matching numbers
67         core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
69         // Used for splitting on whitespace
70         core_rnotwhite = /\S+/g,
72         // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
73         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
75         // A simple way to check for HTML strings
76         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
77         // Strict HTML recognition (#11290: must start with <)
78         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
80         // Match a standalone tag
81         rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
83         // JSON RegExp
84         rvalidchars = /^[\],:{}\s]*$/,
85         rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
86         rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
87         rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,
89         // Matches dashed string for camelizing
90         rmsPrefix = /^-ms-/,
91         rdashAlpha = /-([\da-z])/gi,
93         // Used by jQuery.camelCase as callback to replace()
94         fcamelCase = function( all, letter ) {
95                 return letter.toUpperCase();
96         },
98         // The ready event handler
99         completed = function( event ) {
101                 // readyState === "complete" is good enough for us to call the dom ready in oldIE
102                 if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
103                         detach();
104                         jQuery.ready();
105                 }
106         },
107         // Clean-up method for dom ready events
108         detach = function() {
109                 if ( document.addEventListener ) {
110                         document.removeEventListener( "DOMContentLoaded", completed, false );
111                         window.removeEventListener( "load", completed, false );
113                 } else {
114                         document.detachEvent( "onreadystatechange", completed );
115                         window.detachEvent( "onload", completed );
116                 }
117         };
119 jQuery.fn = jQuery.prototype = {
120         // The current version of jQuery being used
121         jquery: core_version,
123         constructor: jQuery,
124         init: function( selector, context, rootjQuery ) {
125                 var match, elem;
127                 // HANDLE: $(""), $(null), $(undefined), $(false)
128                 if ( !selector ) {
129                         return this;
130                 }
132                 // Handle HTML strings
133                 if ( typeof selector === "string" ) {
134                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
135                                 // Assume that strings that start and end with <> are HTML and skip the regex check
136                                 match = [ null, selector, null ];
138                         } else {
139                                 match = rquickExpr.exec( selector );
140                         }
142                         // Match html or make sure no context is specified for #id
143                         if ( match && (match[1] || !context) ) {
145                                 // HANDLE: $(html) -> $(array)
146                                 if ( match[1] ) {
147                                         context = context instanceof jQuery ? context[0] : context;
149                                         // scripts is true for back-compat
150                                         jQuery.merge( this, jQuery.parseHTML(
151                                                 match[1],
152                                                 context && context.nodeType ? context.ownerDocument || context : document,
153                                                 true
154                                         ) );
156                                         // HANDLE: $(html, props)
157                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
158                                                 for ( match in context ) {
159                                                         // Properties of context are called as methods if possible
160                                                         if ( jQuery.isFunction( this[ match ] ) ) {
161                                                                 this[ match ]( context[ match ] );
163                                                         // ...and otherwise set as attributes
164                                                         } else {
165                                                                 this.attr( match, context[ match ] );
166                                                         }
167                                                 }
168                                         }
170                                         return this;
172                                 // HANDLE: $(#id)
173                                 } else {
174                                         elem = document.getElementById( match[2] );
176                                         // Check parentNode to catch when Blackberry 4.6 returns
177                                         // nodes that are no longer in the document #6963
178                                         if ( elem && elem.parentNode ) {
179                                                 // Handle the case where IE and Opera return items
180                                                 // by name instead of ID
181                                                 if ( elem.id !== match[2] ) {
182                                                         return rootjQuery.find( selector );
183                                                 }
185                                                 // Otherwise, we inject the element directly into the jQuery object
186                                                 this.length = 1;
187                                                 this[0] = elem;
188                                         }
190                                         this.context = document;
191                                         this.selector = selector;
192                                         return this;
193                                 }
195                         // HANDLE: $(expr, $(...))
196                         } else if ( !context || context.jquery ) {
197                                 return ( context || rootjQuery ).find( selector );
199                         // HANDLE: $(expr, context)
200                         // (which is just equivalent to: $(context).find(expr)
201                         } else {
202                                 return this.constructor( context ).find( selector );
203                         }
205                 // HANDLE: $(DOMElement)
206                 } else if ( selector.nodeType ) {
207                         this.context = this[0] = selector;
208                         this.length = 1;
209                         return this;
211                 // HANDLE: $(function)
212                 // Shortcut for document ready
213                 } else if ( jQuery.isFunction( selector ) ) {
214                         return rootjQuery.ready( selector );
215                 }
217                 if ( selector.selector !== undefined ) {
218                         this.selector = selector.selector;
219                         this.context = selector.context;
220                 }
222                 return jQuery.makeArray( selector, this );
223         },
225         // Start with an empty selector
226         selector: "",
228         // The default length of a jQuery object is 0
229         length: 0,
231         toArray: function() {
232                 return core_slice.call( this );
233         },
235         // Get the Nth element in the matched element set OR
236         // Get the whole matched element set as a clean array
237         get: function( num ) {
238                 return num == null ?
240                         // Return a 'clean' array
241                         this.toArray() :
243                         // Return just the object
244                         ( num < 0 ? this[ this.length + num ] : this[ num ] );
245         },
247         // Take an array of elements and push it onto the stack
248         // (returning the new matched element set)
249         pushStack: function( elems ) {
251                 // Build a new jQuery matched element set
252                 var ret = jQuery.merge( this.constructor(), elems );
254                 // Add the old object onto the stack (as a reference)
255                 ret.prevObject = this;
256                 ret.context = this.context;
258                 // Return the newly-formed element set
259                 return ret;
260         },
262         // Execute a callback for every element in the matched set.
263         // (You can seed the arguments with an array of args, but this is
264         // only used internally.)
265         each: function( callback, args ) {
266                 return jQuery.each( this, callback, args );
267         },
269         ready: function( fn ) {
270                 // Add the callback
271                 jQuery.ready.promise().done( fn );
273                 return this;
274         },
276         slice: function() {
277                 return this.pushStack( core_slice.apply( this, arguments ) );
278         },
280         first: function() {
281                 return this.eq( 0 );
282         },
284         last: function() {
285                 return this.eq( -1 );
286         },
288         eq: function( i ) {
289                 var len = this.length,
290                         j = +i + ( i < 0 ? len : 0 );
291                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
292         },
294         map: function( callback ) {
295                 return this.pushStack( jQuery.map(this, function( elem, i ) {
296                         return callback.call( elem, i, elem );
297                 }));
298         },
300         end: function() {
301                 return this.prevObject || this.constructor(null);
302         },
304         // For internal use only.
305         // Behaves like an Array's method, not like a jQuery method.
306         push: core_push,
307         sort: [].sort,
308         splice: [].splice
311 // Give the init function the jQuery prototype for later instantiation
312 jQuery.fn.init.prototype = jQuery.fn;
314 jQuery.extend = jQuery.fn.extend = function() {
315         var src, copyIsArray, copy, name, options, clone,
316                 target = arguments[0] || {},
317                 i = 1,
318                 length = arguments.length,
319                 deep = false;
321         // Handle a deep copy situation
322         if ( typeof target === "boolean" ) {
323                 deep = target;
324                 target = arguments[1] || {};
325                 // skip the boolean and the target
326                 i = 2;
327         }
329         // Handle case when target is a string or something (possible in deep copy)
330         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
331                 target = {};
332         }
334         // extend jQuery itself if only one argument is passed
335         if ( length === i ) {
336                 target = this;
337                 --i;
338         }
340         for ( ; i < length; i++ ) {
341                 // Only deal with non-null/undefined values
342                 if ( (options = arguments[ i ]) != null ) {
343                         // Extend the base object
344                         for ( name in options ) {
345                                 src = target[ name ];
346                                 copy = options[ name ];
348                                 // Prevent never-ending loop
349                                 if ( target === copy ) {
350                                         continue;
351                                 }
353                                 // Recurse if we're merging plain objects or arrays
354                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
355                                         if ( copyIsArray ) {
356                                                 copyIsArray = false;
357                                                 clone = src && jQuery.isArray(src) ? src : [];
359                                         } else {
360                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
361                                         }
363                                         // Never move original objects, clone them
364                                         target[ name ] = jQuery.extend( deep, clone, copy );
366                                 // Don't bring in undefined values
367                                 } else if ( copy !== undefined ) {
368                                         target[ name ] = copy;
369                                 }
370                         }
371                 }
372         }
374         // Return the modified object
375         return target;
378 jQuery.extend({
379         // Unique for each copy of jQuery on the page
380         // Non-digits removed to match rinlinejQuery
381         expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
383         noConflict: function( deep ) {
384                 if ( window.$ === jQuery ) {
385                         window.$ = _$;
386                 }
388                 if ( deep && window.jQuery === jQuery ) {
389                         window.jQuery = _jQuery;
390                 }
392                 return jQuery;
393         },
395         // Is the DOM ready to be used? Set to true once it occurs.
396         isReady: false,
398         // A counter to track how many items to wait for before
399         // the ready event fires. See #6781
400         readyWait: 1,
402         // Hold (or release) the ready event
403         holdReady: function( hold ) {
404                 if ( hold ) {
405                         jQuery.readyWait++;
406                 } else {
407                         jQuery.ready( true );
408                 }
409         },
411         // Handle when the DOM is ready
412         ready: function( wait ) {
414                 // Abort if there are pending holds or we're already ready
415                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
416                         return;
417                 }
419                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
420                 if ( !document.body ) {
421                         return setTimeout( jQuery.ready );
422                 }
424                 // Remember that the DOM is ready
425                 jQuery.isReady = true;
427                 // If a normal DOM Ready event fired, decrement, and wait if need be
428                 if ( wait !== true && --jQuery.readyWait > 0 ) {
429                         return;
430                 }
432                 // If there are functions bound, to execute
433                 readyList.resolveWith( document, [ jQuery ] );
435                 // Trigger any bound ready events
436                 if ( jQuery.fn.trigger ) {
437                         jQuery( document ).trigger("ready").off("ready");
438                 }
439         },
441         // See test/unit/core.js for details concerning isFunction.
442         // Since version 1.3, DOM methods and functions like alert
443         // aren't supported. They return false on IE (#2968).
444         isFunction: function( obj ) {
445                 return jQuery.type(obj) === "function";
446         },
448         isArray: Array.isArray || function( obj ) {
449                 return jQuery.type(obj) === "array";
450         },
452         isWindow: function( obj ) {
453                 /* jshint eqeqeq: false */
454                 return obj != null && obj == obj.window;
455         },
457         isNumeric: function( obj ) {
458                 return !isNaN( parseFloat(obj) ) && isFinite( obj );
459         },
461         type: function( obj ) {
462                 if ( obj == null ) {
463                         return String( obj );
464                 }
465                 return typeof obj === "object" || typeof obj === "function" ?
466                         class2type[ core_toString.call(obj) ] || "object" :
467                         typeof obj;
468         },
470         isPlainObject: function( obj ) {
471                 var key;
473                 // Must be an Object.
474                 // Because of IE, we also have to check the presence of the constructor property.
475                 // Make sure that DOM nodes and window objects don't pass through, as well
476                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
477                         return false;
478                 }
480                 try {
481                         // Not own constructor property must be Object
482                         if ( obj.constructor &&
483                                 !core_hasOwn.call(obj, "constructor") &&
484                                 !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
485                                 return false;
486                         }
487                 } catch ( e ) {
488                         // IE8,9 Will throw exceptions on certain host objects #9897
489                         return false;
490                 }
492                 // Support: IE<9
493                 // Handle iteration over inherited properties before own properties.
494                 if ( jQuery.support.ownLast ) {
495                         for ( key in obj ) {
496                                 return core_hasOwn.call( obj, key );
497                         }
498                 }
500                 // Own properties are enumerated firstly, so to speed up,
501                 // if last one is own, then all properties are own.
502                 for ( key in obj ) {}
504                 return key === undefined || core_hasOwn.call( obj, key );
505         },
507         isEmptyObject: function( obj ) {
508                 var name;
509                 for ( name in obj ) {
510                         return false;
511                 }
512                 return true;
513         },
515         error: function( msg ) {
516                 throw new Error( msg );
517         },
519         // data: string of html
520         // context (optional): If specified, the fragment will be created in this context, defaults to document
521         // keepScripts (optional): If true, will include scripts passed in the html string
522         parseHTML: function( data, context, keepScripts ) {
523                 if ( !data || typeof data !== "string" ) {
524                         return null;
525                 }
526                 if ( typeof context === "boolean" ) {
527                         keepScripts = context;
528                         context = false;
529                 }
530                 context = context || document;
532                 var parsed = rsingleTag.exec( data ),
533                         scripts = !keepScripts && [];
535                 // Single tag
536                 if ( parsed ) {
537                         return [ context.createElement( parsed[1] ) ];
538                 }
540                 parsed = jQuery.buildFragment( [ data ], context, scripts );
541                 if ( scripts ) {
542                         jQuery( scripts ).remove();
543                 }
544                 return jQuery.merge( [], parsed.childNodes );
545         },
547         parseJSON: function( data ) {
548                 // Attempt to parse using the native JSON parser first
549                 if ( window.JSON && window.JSON.parse ) {
550                         return window.JSON.parse( data );
551                 }
553                 if ( data === null ) {
554                         return data;
555                 }
557                 if ( typeof data === "string" ) {
559                         // Make sure leading/trailing whitespace is removed (IE can't handle it)
560                         data = jQuery.trim( data );
562                         if ( data ) {
563                                 // Make sure the incoming data is actual JSON
564                                 // Logic borrowed from http://json.org/json2.js
565                                 if ( rvalidchars.test( data.replace( rvalidescape, "@" )
566                                         .replace( rvalidtokens, "]" )
567                                         .replace( rvalidbraces, "")) ) {
569                                         return ( new Function( "return " + data ) )();
570                                 }
571                         }
572                 }
574                 jQuery.error( "Invalid JSON: " + data );
575         },
577         // Cross-browser xml parsing
578         parseXML: function( data ) {
579                 var xml, tmp;
580                 if ( !data || typeof data !== "string" ) {
581                         return null;
582                 }
583                 try {
584                         if ( window.DOMParser ) { // Standard
585                                 tmp = new DOMParser();
586                                 xml = tmp.parseFromString( data , "text/xml" );
587                         } else { // IE
588                                 xml = new ActiveXObject( "Microsoft.XMLDOM" );
589                                 xml.async = "false";
590                                 xml.loadXML( data );
591                         }
592                 } catch( e ) {
593                         xml = undefined;
594                 }
595                 if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
596                         jQuery.error( "Invalid XML: " + data );
597                 }
598                 return xml;
599         },
601         noop: function() {},
603         // Evaluates a script in a global context
604         // Workarounds based on findings by Jim Driscoll
605         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
606         globalEval: function( data ) {
607                 if ( data && jQuery.trim( data ) ) {
608                         // We use execScript on Internet Explorer
609                         // We use an anonymous function so that context is window
610                         // rather than jQuery in Firefox
611                         ( window.execScript || function( data ) {
612                                 window[ "eval" ].call( window, data );
613                         } )( data );
614                 }
615         },
617         // Convert dashed to camelCase; used by the css and data modules
618         // Microsoft forgot to hump their vendor prefix (#9572)
619         camelCase: function( string ) {
620                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
621         },
623         nodeName: function( elem, name ) {
624                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
625         },
627         // args is for internal usage only
628         each: function( obj, callback, args ) {
629                 var value,
630                         i = 0,
631                         length = obj.length,
632                         isArray = isArraylike( obj );
634                 if ( args ) {
635                         if ( isArray ) {
636                                 for ( ; i < length; i++ ) {
637                                         value = callback.apply( obj[ i ], args );
639                                         if ( value === false ) {
640                                                 break;
641                                         }
642                                 }
643                         } else {
644                                 for ( i in obj ) {
645                                         value = callback.apply( obj[ i ], args );
647                                         if ( value === false ) {
648                                                 break;
649                                         }
650                                 }
651                         }
653                 // A special, fast, case for the most common use of each
654                 } else {
655                         if ( isArray ) {
656                                 for ( ; i < length; i++ ) {
657                                         value = callback.call( obj[ i ], i, obj[ i ] );
659                                         if ( value === false ) {
660                                                 break;
661                                         }
662                                 }
663                         } else {
664                                 for ( i in obj ) {
665                                         value = callback.call( obj[ i ], i, obj[ i ] );
667                                         if ( value === false ) {
668                                                 break;
669                                         }
670                                 }
671                         }
672                 }
674                 return obj;
675         },
677         // Use native String.trim function wherever possible
678         trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
679                 function( text ) {
680                         return text == null ?
681                                 "" :
682                                 core_trim.call( text );
683                 } :
685                 // Otherwise use our own trimming functionality
686                 function( text ) {
687                         return text == null ?
688                                 "" :
689                                 ( text + "" ).replace( rtrim, "" );
690                 },
692         // results is for internal usage only
693         makeArray: function( arr, results ) {
694                 var ret = results || [];
696                 if ( arr != null ) {
697                         if ( isArraylike( Object(arr) ) ) {
698                                 jQuery.merge( ret,
699                                         typeof arr === "string" ?
700                                         [ arr ] : arr
701                                 );
702                         } else {
703                                 core_push.call( ret, arr );
704                         }
705                 }
707                 return ret;
708         },
710         inArray: function( elem, arr, i ) {
711                 var len;
713                 if ( arr ) {
714                         if ( core_indexOf ) {
715                                 return core_indexOf.call( arr, elem, i );
716                         }
718                         len = arr.length;
719                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
721                         for ( ; i < len; i++ ) {
722                                 // Skip accessing in sparse arrays
723                                 if ( i in arr && arr[ i ] === elem ) {
724                                         return i;
725                                 }
726                         }
727                 }
729                 return -1;
730         },
732         merge: function( first, second ) {
733                 var l = second.length,
734                         i = first.length,
735                         j = 0;
737                 if ( typeof l === "number" ) {
738                         for ( ; j < l; j++ ) {
739                                 first[ i++ ] = second[ j ];
740                         }
741                 } else {
742                         while ( second[j] !== undefined ) {
743                                 first[ i++ ] = second[ j++ ];
744                         }
745                 }
747                 first.length = i;
749                 return first;
750         },
752         grep: function( elems, callback, inv ) {
753                 var retVal,
754                         ret = [],
755                         i = 0,
756                         length = elems.length;
757                 inv = !!inv;
759                 // Go through the array, only saving the items
760                 // that pass the validator function
761                 for ( ; i < length; i++ ) {
762                         retVal = !!callback( elems[ i ], i );
763                         if ( inv !== retVal ) {
764                                 ret.push( elems[ i ] );
765                         }
766                 }
768                 return ret;
769         },
771         // arg is for internal usage only
772         map: function( elems, callback, arg ) {
773                 var value,
774                         i = 0,
775                         length = elems.length,
776                         isArray = isArraylike( elems ),
777                         ret = [];
779                 // Go through the array, translating each of the items to their
780                 if ( isArray ) {
781                         for ( ; i < length; i++ ) {
782                                 value = callback( elems[ i ], i, arg );
784                                 if ( value != null ) {
785                                         ret[ ret.length ] = value;
786                                 }
787                         }
789                 // Go through every key on the object,
790                 } else {
791                         for ( i in elems ) {
792                                 value = callback( elems[ i ], i, arg );
794                                 if ( value != null ) {
795                                         ret[ ret.length ] = value;
796                                 }
797                         }
798                 }
800                 // Flatten any nested arrays
801                 return core_concat.apply( [], ret );
802         },
804         // A global GUID counter for objects
805         guid: 1,
807         // Bind a function to a context, optionally partially applying any
808         // arguments.
809         proxy: function( fn, context ) {
810                 var args, proxy, tmp;
812                 if ( typeof context === "string" ) {
813                         tmp = fn[ context ];
814                         context = fn;
815                         fn = tmp;
816                 }
818                 // Quick check to determine if target is callable, in the spec
819                 // this throws a TypeError, but we will just return undefined.
820                 if ( !jQuery.isFunction( fn ) ) {
821                         return undefined;
822                 }
824                 // Simulated bind
825                 args = core_slice.call( arguments, 2 );
826                 proxy = function() {
827                         return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
828                 };
830                 // Set the guid of unique handler to the same of original handler, so it can be removed
831                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
833                 return proxy;
834         },
836         // Multifunctional method to get and set values of a collection
837         // The value/s can optionally be executed if it's a function
838         access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
839                 var i = 0,
840                         length = elems.length,
841                         bulk = key == null;
843                 // Sets many values
844                 if ( jQuery.type( key ) === "object" ) {
845                         chainable = true;
846                         for ( i in key ) {
847                                 jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
848                         }
850                 // Sets one value
851                 } else if ( value !== undefined ) {
852                         chainable = true;
854                         if ( !jQuery.isFunction( value ) ) {
855                                 raw = true;
856                         }
858                         if ( bulk ) {
859                                 // Bulk operations run against the entire set
860                                 if ( raw ) {
861                                         fn.call( elems, value );
862                                         fn = null;
864                                 // ...except when executing function values
865                                 } else {
866                                         bulk = fn;
867                                         fn = function( elem, key, value ) {
868                                                 return bulk.call( jQuery( elem ), value );
869                                         };
870                                 }
871                         }
873                         if ( fn ) {
874                                 for ( ; i < length; i++ ) {
875                                         fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
876                                 }
877                         }
878                 }
880                 return chainable ?
881                         elems :
883                         // Gets
884                         bulk ?
885                                 fn.call( elems ) :
886                                 length ? fn( elems[0], key ) : emptyGet;
887         },
889         now: function() {
890                 return ( new Date() ).getTime();
891         },
893         // A method for quickly swapping in/out CSS properties to get correct calculations.
894         // Note: this method belongs to the css module but it's needed here for the support module.
895         // If support gets modularized, this method should be moved back to the css module.
896         swap: function( elem, options, callback, args ) {
897                 var ret, name,
898                         old = {};
900                 // Remember the old values, and insert the new ones
901                 for ( name in options ) {
902                         old[ name ] = elem.style[ name ];
903                         elem.style[ name ] = options[ name ];
904                 }
906                 ret = callback.apply( elem, args || [] );
908                 // Revert the old values
909                 for ( name in options ) {
910                         elem.style[ name ] = old[ name ];
911                 }
913                 return ret;
914         }
917 jQuery.ready.promise = function( obj ) {
918         if ( !readyList ) {
920                 readyList = jQuery.Deferred();
922                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
923                 // we once tried to use readyState "interactive" here, but it caused issues like the one
924                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
925                 if ( document.readyState === "complete" ) {
926                         // Handle it asynchronously to allow scripts the opportunity to delay ready
927                         setTimeout( jQuery.ready );
929                 // Standards-based browsers support DOMContentLoaded
930                 } else if ( document.addEventListener ) {
931                         // Use the handy event callback
932                         document.addEventListener( "DOMContentLoaded", completed, false );
934                         // A fallback to window.onload, that will always work
935                         window.addEventListener( "load", completed, false );
937                 // If IE event model is used
938                 } else {
939                         // Ensure firing before onload, maybe late but safe also for iframes
940                         document.attachEvent( "onreadystatechange", completed );
942                         // A fallback to window.onload, that will always work
943                         window.attachEvent( "onload", completed );
945                         // If IE and not a frame
946                         // continually check to see if the document is ready
947                         var top = false;
949                         try {
950                                 top = window.frameElement == null && document.documentElement;
951                         } catch(e) {}
953                         if ( top && top.doScroll ) {
954                                 (function doScrollCheck() {
955                                         if ( !jQuery.isReady ) {
957                                                 try {
958                                                         // Use the trick by Diego Perini
959                                                         // http://javascript.nwbox.com/IEContentLoaded/
960                                                         top.doScroll("left");
961                                                 } catch(e) {
962                                                         return setTimeout( doScrollCheck, 50 );
963                                                 }
965                                                 // detach all dom ready events
966                                                 detach();
968                                                 // and execute any waiting functions
969                                                 jQuery.ready();
970                                         }
971                                 })();
972                         }
973                 }
974         }
975         return readyList.promise( obj );
978 // Populate the class2type map
979 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
980         class2type[ "[object " + name + "]" ] = name.toLowerCase();
983 function isArraylike( obj ) {
984         var length = obj.length,
985                 type = jQuery.type( obj );
987         if ( jQuery.isWindow( obj ) ) {
988                 return false;
989         }
991         if ( obj.nodeType === 1 && length ) {
992                 return true;
993         }
995         return type === "array" || type !== "function" &&
996                 ( length === 0 ||
997                 typeof length === "number" && length > 0 && ( length - 1 ) in obj );
1000 // All jQuery objects should point back to these
1001 rootjQuery = jQuery(document);
1003  * Sizzle CSS Selector Engine v1.10.2
1004  * http://sizzlejs.com/
1006  * Copyright 2013 jQuery Foundation, Inc. and other contributors
1007  * Released under the MIT license
1008  * http://jquery.org/license
1010  * Date: 2013-07-03
1011  */
1012 (function( window, undefined ) {
1014 var i,
1015         support,
1016         cachedruns,
1017         Expr,
1018         getText,
1019         isXML,
1020         compile,
1021         outermostContext,
1022         sortInput,
1024         // Local document vars
1025         setDocument,
1026         document,
1027         docElem,
1028         documentIsHTML,
1029         rbuggyQSA,
1030         rbuggyMatches,
1031         matches,
1032         contains,
1034         // Instance-specific data
1035         expando = "sizzle" + -(new Date()),
1036         preferredDoc = window.document,
1037         dirruns = 0,
1038         done = 0,
1039         classCache = createCache(),
1040         tokenCache = createCache(),
1041         compilerCache = createCache(),
1042         hasDuplicate = false,
1043         sortOrder = function( a, b ) {
1044                 if ( a === b ) {
1045                         hasDuplicate = true;
1046                         return 0;
1047                 }
1048                 return 0;
1049         },
1051         // General-purpose constants
1052         strundefined = typeof undefined,
1053         MAX_NEGATIVE = 1 << 31,
1055         // Instance methods
1056         hasOwn = ({}).hasOwnProperty,
1057         arr = [],
1058         pop = arr.pop,
1059         push_native = arr.push,
1060         push = arr.push,
1061         slice = arr.slice,
1062         // Use a stripped-down indexOf if we can't use a native one
1063         indexOf = arr.indexOf || function( elem ) {
1064                 var i = 0,
1065                         len = this.length;
1066                 for ( ; i < len; i++ ) {
1067                         if ( this[i] === elem ) {
1068                                 return i;
1069                         }
1070                 }
1071                 return -1;
1072         },
1074         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
1076         // Regular expressions
1078         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
1079         whitespace = "[\\x20\\t\\r\\n\\f]",
1080         // http://www.w3.org/TR/css3-syntax/#characters
1081         characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
1083         // Loosely modeled on CSS identifier characters
1084         // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
1085         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
1086         identifier = characterEncoding.replace( "w", "w#" ),
1088         // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
1089         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
1090                 "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
1092         // Prefer arguments quoted,
1093         //   then not containing pseudos/brackets,
1094         //   then attribute selectors/non-parenthetical expressions,
1095         //   then anything else
1096         // These preferences are here to reduce the number of selectors
1097         //   needing tokenize in the PSEUDO preFilter
1098         pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
1100         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
1101         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
1103         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
1104         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
1106         rsibling = new RegExp( whitespace + "*[+~]" ),
1107         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),
1109         rpseudo = new RegExp( pseudos ),
1110         ridentifier = new RegExp( "^" + identifier + "$" ),
1112         matchExpr = {
1113                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
1114                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
1115                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
1116                 "ATTR": new RegExp( "^" + attributes ),
1117                 "PSEUDO": new RegExp( "^" + pseudos ),
1118                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
1119                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
1120                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
1121                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
1122                 // For use in libraries implementing .is()
1123                 // We use this for POS matching in `select`
1124                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
1125                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
1126         },
1128         rnative = /^[^{]+\{\s*\[native \w/,
1130         // Easily-parseable/retrievable ID or TAG or CLASS selectors
1131         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
1133         rinputs = /^(?:input|select|textarea|button)$/i,
1134         rheader = /^h\d$/i,
1136         rescape = /'|\\/g,
1138         // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
1139         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
1140         funescape = function( _, escaped, escapedWhitespace ) {
1141                 var high = "0x" + escaped - 0x10000;
1142                 // NaN means non-codepoint
1143                 // Support: Firefox
1144                 // Workaround erroneous numeric interpretation of +"0x"
1145                 return high !== high || escapedWhitespace ?
1146                         escaped :
1147                         // BMP codepoint
1148                         high < 0 ?
1149                                 String.fromCharCode( high + 0x10000 ) :
1150                                 // Supplemental Plane codepoint (surrogate pair)
1151                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
1152         };
1154 // Optimize for push.apply( _, NodeList )
1155 try {
1156         push.apply(
1157                 (arr = slice.call( preferredDoc.childNodes )),
1158                 preferredDoc.childNodes
1159         );
1160         // Support: Android<4.0
1161         // Detect silently failing push.apply
1162         arr[ preferredDoc.childNodes.length ].nodeType;
1163 } catch ( e ) {
1164         push = { apply: arr.length ?
1166                 // Leverage slice if possible
1167                 function( target, els ) {
1168                         push_native.apply( target, slice.call(els) );
1169                 } :
1171                 // Support: IE<9
1172                 // Otherwise append directly
1173                 function( target, els ) {
1174                         var j = target.length,
1175                                 i = 0;
1176                         // Can't trust NodeList.length
1177                         while ( (target[j++] = els[i++]) ) {}
1178                         target.length = j - 1;
1179                 }
1180         };
1183 function Sizzle( selector, context, results, seed ) {
1184         var match, elem, m, nodeType,
1185                 // QSA vars
1186                 i, groups, old, nid, newContext, newSelector;
1188         if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
1189                 setDocument( context );
1190         }
1192         context = context || document;
1193         results = results || [];
1195         if ( !selector || typeof selector !== "string" ) {
1196                 return results;
1197         }
1199         if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
1200                 return [];
1201         }
1203         if ( documentIsHTML && !seed ) {
1205                 // Shortcuts
1206                 if ( (match = rquickExpr.exec( selector )) ) {
1207                         // Speed-up: Sizzle("#ID")
1208                         if ( (m = match[1]) ) {
1209                                 if ( nodeType === 9 ) {
1210                                         elem = context.getElementById( m );
1211                                         // Check parentNode to catch when Blackberry 4.6 returns
1212                                         // nodes that are no longer in the document #6963
1213                                         if ( elem && elem.parentNode ) {
1214                                                 // Handle the case where IE, Opera, and Webkit return items
1215                                                 // by name instead of ID
1216                                                 if ( elem.id === m ) {
1217                                                         results.push( elem );
1218                                                         return results;
1219                                                 }
1220                                         } else {
1221                                                 return results;
1222                                         }
1223                                 } else {
1224                                         // Context is not a document
1225                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
1226                                                 contains( context, elem ) && elem.id === m ) {
1227                                                 results.push( elem );
1228                                                 return results;
1229                                         }
1230                                 }
1232                         // Speed-up: Sizzle("TAG")
1233                         } else if ( match[2] ) {
1234                                 push.apply( results, context.getElementsByTagName( selector ) );
1235                                 return results;
1237                         // Speed-up: Sizzle(".CLASS")
1238                         } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
1239                                 push.apply( results, context.getElementsByClassName( m ) );
1240                                 return results;
1241                         }
1242                 }
1244                 // QSA path
1245                 if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
1246                         nid = old = expando;
1247                         newContext = context;
1248                         newSelector = nodeType === 9 && selector;
1250                         // qSA works strangely on Element-rooted queries
1251                         // We can work around this by specifying an extra ID on the root
1252                         // and working up from there (Thanks to Andrew Dupont for the technique)
1253                         // IE 8 doesn't work on object elements
1254                         if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
1255                                 groups = tokenize( selector );
1257                                 if ( (old = context.getAttribute("id")) ) {
1258                                         nid = old.replace( rescape, "\\$&" );
1259                                 } else {
1260                                         context.setAttribute( "id", nid );
1261                                 }
1262                                 nid = "[id='" + nid + "'] ";
1264                                 i = groups.length;
1265                                 while ( i-- ) {
1266                                         groups[i] = nid + toSelector( groups[i] );
1267                                 }
1268                                 newContext = rsibling.test( selector ) && context.parentNode || context;
1269                                 newSelector = groups.join(",");
1270                         }
1272                         if ( newSelector ) {
1273                                 try {
1274                                         push.apply( results,
1275                                                 newContext.querySelectorAll( newSelector )
1276                                         );
1277                                         return results;
1278                                 } catch(qsaError) {
1279                                 } finally {
1280                                         if ( !old ) {
1281                                                 context.removeAttribute("id");
1282                                         }
1283                                 }
1284                         }
1285                 }
1286         }
1288         // All others
1289         return select( selector.replace( rtrim, "$1" ), context, results, seed );
1293  * Create key-value caches of limited size
1294  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
1295  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
1296  *      deleting the oldest entry
1297  */
1298 function createCache() {
1299         var keys = [];
1301         function cache( key, value ) {
1302                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
1303                 if ( keys.push( key += " " ) > Expr.cacheLength ) {
1304                         // Only keep the most recent entries
1305                         delete cache[ keys.shift() ];
1306                 }
1307                 return (cache[ key ] = value);
1308         }
1309         return cache;
1313  * Mark a function for special use by Sizzle
1314  * @param {Function} fn The function to mark
1315  */
1316 function markFunction( fn ) {
1317         fn[ expando ] = true;
1318         return fn;
1322  * Support testing using an element
1323  * @param {Function} fn Passed the created div and expects a boolean result
1324  */
1325 function assert( fn ) {
1326         var div = document.createElement("div");
1328         try {
1329                 return !!fn( div );
1330         } catch (e) {
1331                 return false;
1332         } finally {
1333                 // Remove from its parent by default
1334                 if ( div.parentNode ) {
1335                         div.parentNode.removeChild( div );
1336                 }
1337                 // release memory in IE
1338                 div = null;
1339         }
1343  * Adds the same handler for all of the specified attrs
1344  * @param {String} attrs Pipe-separated list of attributes
1345  * @param {Function} handler The method that will be applied
1346  */
1347 function addHandle( attrs, handler ) {
1348         var arr = attrs.split("|"),
1349                 i = attrs.length;
1351         while ( i-- ) {
1352                 Expr.attrHandle[ arr[i] ] = handler;
1353         }
1357  * Checks document order of two siblings
1358  * @param {Element} a
1359  * @param {Element} b
1360  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
1361  */
1362 function siblingCheck( a, b ) {
1363         var cur = b && a,
1364                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
1365                         ( ~b.sourceIndex || MAX_NEGATIVE ) -
1366                         ( ~a.sourceIndex || MAX_NEGATIVE );
1368         // Use IE sourceIndex if available on both nodes
1369         if ( diff ) {
1370                 return diff;
1371         }
1373         // Check if b follows a
1374         if ( cur ) {
1375                 while ( (cur = cur.nextSibling) ) {
1376                         if ( cur === b ) {
1377                                 return -1;
1378                         }
1379                 }
1380         }
1382         return a ? 1 : -1;
1386  * Returns a function to use in pseudos for input types
1387  * @param {String} type
1388  */
1389 function createInputPseudo( type ) {
1390         return function( elem ) {
1391                 var name = elem.nodeName.toLowerCase();
1392                 return name === "input" && elem.type === type;
1393         };
1397  * Returns a function to use in pseudos for buttons
1398  * @param {String} type
1399  */
1400 function createButtonPseudo( type ) {
1401         return function( elem ) {
1402                 var name = elem.nodeName.toLowerCase();
1403                 return (name === "input" || name === "button") && elem.type === type;
1404         };
1408  * Returns a function to use in pseudos for positionals
1409  * @param {Function} fn
1410  */
1411 function createPositionalPseudo( fn ) {
1412         return markFunction(function( argument ) {
1413                 argument = +argument;
1414                 return markFunction(function( seed, matches ) {
1415                         var j,
1416                                 matchIndexes = fn( [], seed.length, argument ),
1417                                 i = matchIndexes.length;
1419                         // Match elements found at the specified indexes
1420                         while ( i-- ) {
1421                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1422                                         seed[j] = !(matches[j] = seed[j]);
1423                                 }
1424                         }
1425                 });
1426         });
1430  * Detect xml
1431  * @param {Element|Object} elem An element or a document
1432  */
1433 isXML = Sizzle.isXML = function( elem ) {
1434         // documentElement is verified for cases where it doesn't yet exist
1435         // (such as loading iframes in IE - #4833)
1436         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1437         return documentElement ? documentElement.nodeName !== "HTML" : false;
1440 // Expose support vars for convenience
1441 support = Sizzle.support = {};
1444  * Sets document-related variables once based on the current document
1445  * @param {Element|Object} [doc] An element or document object to use to set the document
1446  * @returns {Object} Returns the current document
1447  */
1448 setDocument = Sizzle.setDocument = function( node ) {
1449         var doc = node ? node.ownerDocument || node : preferredDoc,
1450                 parent = doc.defaultView;
1452         // If no document and documentElement is available, return
1453         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1454                 return document;
1455         }
1457         // Set our document
1458         document = doc;
1459         docElem = doc.documentElement;
1461         // Support tests
1462         documentIsHTML = !isXML( doc );
1464         // Support: IE>8
1465         // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1466         // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1467         // IE6-8 do not support the defaultView property so parent will be undefined
1468         if ( parent && parent.attachEvent && parent !== parent.top ) {
1469                 parent.attachEvent( "onbeforeunload", function() {
1470                         setDocument();
1471                 });
1472         }
1474         /* Attributes
1475         ---------------------------------------------------------------------- */
1477         // Support: IE<8
1478         // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1479         support.attributes = assert(function( div ) {
1480                 div.className = "i";
1481                 return !div.getAttribute("className");
1482         });
1484         /* getElement(s)By*
1485         ---------------------------------------------------------------------- */
1487         // Check if getElementsByTagName("*") returns only elements
1488         support.getElementsByTagName = assert(function( div ) {
1489                 div.appendChild( doc.createComment("") );
1490                 return !div.getElementsByTagName("*").length;
1491         });
1493         // Check if getElementsByClassName can be trusted
1494         support.getElementsByClassName = assert(function( div ) {
1495                 div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1497                 // Support: Safari<4
1498                 // Catch class over-caching
1499                 div.firstChild.className = "i";
1500                 // Support: Opera<10
1501                 // Catch gEBCN failure to find non-leading classes
1502                 return div.getElementsByClassName("i").length === 2;
1503         });
1505         // Support: IE<10
1506         // Check if getElementById returns elements by name
1507         // The broken getElementById methods don't pick up programatically-set names,
1508         // so use a roundabout getElementsByName test
1509         support.getById = assert(function( div ) {
1510                 docElem.appendChild( div ).id = expando;
1511                 return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1512         });
1514         // ID find and filter
1515         if ( support.getById ) {
1516                 Expr.find["ID"] = function( id, context ) {
1517                         if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1518                                 var m = context.getElementById( id );
1519                                 // Check parentNode to catch when Blackberry 4.6 returns
1520                                 // nodes that are no longer in the document #6963
1521                                 return m && m.parentNode ? [m] : [];
1522                         }
1523                 };
1524                 Expr.filter["ID"] = function( id ) {
1525                         var attrId = id.replace( runescape, funescape );
1526                         return function( elem ) {
1527                                 return elem.getAttribute("id") === attrId;
1528                         };
1529                 };
1530         } else {
1531                 // Support: IE6/7
1532                 // getElementById is not reliable as a find shortcut
1533                 delete Expr.find["ID"];
1535                 Expr.filter["ID"] =  function( id ) {
1536                         var attrId = id.replace( runescape, funescape );
1537                         return function( elem ) {
1538                                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1539                                 return node && node.value === attrId;
1540                         };
1541                 };
1542         }
1544         // Tag
1545         Expr.find["TAG"] = support.getElementsByTagName ?
1546                 function( tag, context ) {
1547                         if ( typeof context.getElementsByTagName !== strundefined ) {
1548                                 return context.getElementsByTagName( tag );
1549                         }
1550                 } :
1551                 function( tag, context ) {
1552                         var elem,
1553                                 tmp = [],
1554                                 i = 0,
1555                                 results = context.getElementsByTagName( tag );
1557                         // Filter out possible comments
1558                         if ( tag === "*" ) {
1559                                 while ( (elem = results[i++]) ) {
1560                                         if ( elem.nodeType === 1 ) {
1561                                                 tmp.push( elem );
1562                                         }
1563                                 }
1565                                 return tmp;
1566                         }
1567                         return results;
1568                 };
1570         // Class
1571         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1572                 if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1573                         return context.getElementsByClassName( className );
1574                 }
1575         };
1577         /* QSA/matchesSelector
1578         ---------------------------------------------------------------------- */
1580         // QSA and matchesSelector support
1582         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1583         rbuggyMatches = [];
1585         // qSa(:focus) reports false when true (Chrome 21)
1586         // We allow this because of a bug in IE8/9 that throws an error
1587         // whenever `document.activeElement` is accessed on an iframe
1588         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1589         // See http://bugs.jquery.com/ticket/13378
1590         rbuggyQSA = [];
1592         if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1593                 // Build QSA regex
1594                 // Regex strategy adopted from Diego Perini
1595                 assert(function( div ) {
1596                         // Select is set to empty string on purpose
1597                         // This is to test IE's treatment of not explicitly
1598                         // setting a boolean content attribute,
1599                         // since its presence should be enough
1600                         // http://bugs.jquery.com/ticket/12359
1601                         div.innerHTML = "<select><option selected=''></option></select>";
1603                         // Support: IE8
1604                         // Boolean attributes and "value" are not treated correctly
1605                         if ( !div.querySelectorAll("[selected]").length ) {
1606                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1607                         }
1609                         // Webkit/Opera - :checked should return selected option elements
1610                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1611                         // IE8 throws error here and will not see later tests
1612                         if ( !div.querySelectorAll(":checked").length ) {
1613                                 rbuggyQSA.push(":checked");
1614                         }
1615                 });
1617                 assert(function( div ) {
1619                         // Support: Opera 10-12/IE8
1620                         // ^= $= *= and empty values
1621                         // Should not select anything
1622                         // Support: Windows 8 Native Apps
1623                         // The type attribute is restricted during .innerHTML assignment
1624                         var input = doc.createElement("input");
1625                         input.setAttribute( "type", "hidden" );
1626                         div.appendChild( input ).setAttribute( "t", "" );
1628                         if ( div.querySelectorAll("[t^='']").length ) {
1629                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1630                         }
1632                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1633                         // IE8 throws error here and will not see later tests
1634                         if ( !div.querySelectorAll(":enabled").length ) {
1635                                 rbuggyQSA.push( ":enabled", ":disabled" );
1636                         }
1638                         // Opera 10-11 does not throw on post-comma invalid pseudos
1639                         div.querySelectorAll("*,:x");
1640                         rbuggyQSA.push(",.*:");
1641                 });
1642         }
1644         if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
1645                 docElem.mozMatchesSelector ||
1646                 docElem.oMatchesSelector ||
1647                 docElem.msMatchesSelector) )) ) {
1649                 assert(function( div ) {
1650                         // Check to see if it's possible to do matchesSelector
1651                         // on a disconnected node (IE 9)
1652                         support.disconnectedMatch = matches.call( div, "div" );
1654                         // This should fail with an exception
1655                         // Gecko does not error, returns false instead
1656                         matches.call( div, "[s!='']:x" );
1657                         rbuggyMatches.push( "!=", pseudos );
1658                 });
1659         }
1661         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1662         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1664         /* Contains
1665         ---------------------------------------------------------------------- */
1667         // Element contains another
1668         // Purposefully does not implement inclusive descendent
1669         // As in, an element does not contain itself
1670         contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ?
1671                 function( a, b ) {
1672                         var adown = a.nodeType === 9 ? a.documentElement : a,
1673                                 bup = b && b.parentNode;
1674                         return a === bup || !!( bup && bup.nodeType === 1 && (
1675                                 adown.contains ?
1676                                         adown.contains( bup ) :
1677                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1678                         ));
1679                 } :
1680                 function( a, b ) {
1681                         if ( b ) {
1682                                 while ( (b = b.parentNode) ) {
1683                                         if ( b === a ) {
1684                                                 return true;
1685                                         }
1686                                 }
1687                         }
1688                         return false;
1689                 };
1691         /* Sorting
1692         ---------------------------------------------------------------------- */
1694         // Document order sorting
1695         sortOrder = docElem.compareDocumentPosition ?
1696         function( a, b ) {
1698                 // Flag for duplicate removal
1699                 if ( a === b ) {
1700                         hasDuplicate = true;
1701                         return 0;
1702                 }
1704                 var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );
1706                 if ( compare ) {
1707                         // Disconnected nodes
1708                         if ( compare & 1 ||
1709                                 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1711                                 // Choose the first element that is related to our preferred document
1712                                 if ( a === doc || contains(preferredDoc, a) ) {
1713                                         return -1;
1714                                 }
1715                                 if ( b === doc || contains(preferredDoc, b) ) {
1716                                         return 1;
1717                                 }
1719                                 // Maintain original order
1720                                 return sortInput ?
1721                                         ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1722                                         0;
1723                         }
1725                         return compare & 4 ? -1 : 1;
1726                 }
1728                 // Not directly comparable, sort on existence of method
1729                 return a.compareDocumentPosition ? -1 : 1;
1730         } :
1731         function( a, b ) {
1732                 var cur,
1733                         i = 0,
1734                         aup = a.parentNode,
1735                         bup = b.parentNode,
1736                         ap = [ a ],
1737                         bp = [ b ];
1739                 // Exit early if the nodes are identical
1740                 if ( a === b ) {
1741                         hasDuplicate = true;
1742                         return 0;
1744                 // Parentless nodes are either documents or disconnected
1745                 } else if ( !aup || !bup ) {
1746                         return a === doc ? -1 :
1747                                 b === doc ? 1 :
1748                                 aup ? -1 :
1749                                 bup ? 1 :
1750                                 sortInput ?
1751                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1752                                 0;
1754                 // If the nodes are siblings, we can do a quick check
1755                 } else if ( aup === bup ) {
1756                         return siblingCheck( a, b );
1757                 }
1759                 // Otherwise we need full lists of their ancestors for comparison
1760                 cur = a;
1761                 while ( (cur = cur.parentNode) ) {
1762                         ap.unshift( cur );
1763                 }
1764                 cur = b;
1765                 while ( (cur = cur.parentNode) ) {
1766                         bp.unshift( cur );
1767                 }
1769                 // Walk down the tree looking for a discrepancy
1770                 while ( ap[i] === bp[i] ) {
1771                         i++;
1772                 }
1774                 return i ?
1775                         // Do a sibling check if the nodes have a common ancestor
1776                         siblingCheck( ap[i], bp[i] ) :
1778                         // Otherwise nodes in our document sort first
1779                         ap[i] === preferredDoc ? -1 :
1780                         bp[i] === preferredDoc ? 1 :
1781                         0;
1782         };
1784         return doc;
1787 Sizzle.matches = function( expr, elements ) {
1788         return Sizzle( expr, null, null, elements );
1791 Sizzle.matchesSelector = function( elem, expr ) {
1792         // Set document vars if needed
1793         if ( ( elem.ownerDocument || elem ) !== document ) {
1794                 setDocument( elem );
1795         }
1797         // Make sure that attribute selectors are quoted
1798         expr = expr.replace( rattributeQuotes, "='$1']" );
1800         if ( support.matchesSelector && documentIsHTML &&
1801                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1802                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1804                 try {
1805                         var ret = matches.call( elem, expr );
1807                         // IE 9's matchesSelector returns false on disconnected nodes
1808                         if ( ret || support.disconnectedMatch ||
1809                                         // As well, disconnected nodes are said to be in a document
1810                                         // fragment in IE 9
1811                                         elem.document && elem.document.nodeType !== 11 ) {
1812                                 return ret;
1813                         }
1814                 } catch(e) {}
1815         }
1817         return Sizzle( expr, document, null, [elem] ).length > 0;
1820 Sizzle.contains = function( context, elem ) {
1821         // Set document vars if needed
1822         if ( ( context.ownerDocument || context ) !== document ) {
1823                 setDocument( context );
1824         }
1825         return contains( context, elem );
1828 Sizzle.attr = function( elem, name ) {
1829         // Set document vars if needed
1830         if ( ( elem.ownerDocument || elem ) !== document ) {
1831                 setDocument( elem );
1832         }
1834         var fn = Expr.attrHandle[ name.toLowerCase() ],
1835                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1836                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1837                         fn( elem, name, !documentIsHTML ) :
1838                         undefined;
1840         return val === undefined ?
1841                 support.attributes || !documentIsHTML ?
1842                         elem.getAttribute( name ) :
1843                         (val = elem.getAttributeNode(name)) && val.specified ?
1844                                 val.value :
1845                                 null :
1846                 val;
1849 Sizzle.error = function( msg ) {
1850         throw new Error( "Syntax error, unrecognized expression: " + msg );
1854  * Document sorting and removing duplicates
1855  * @param {ArrayLike} results
1856  */
1857 Sizzle.uniqueSort = function( results ) {
1858         var elem,
1859                 duplicates = [],
1860                 j = 0,
1861                 i = 0;
1863         // Unless we *know* we can detect duplicates, assume their presence
1864         hasDuplicate = !support.detectDuplicates;
1865         sortInput = !support.sortStable && results.slice( 0 );
1866         results.sort( sortOrder );
1868         if ( hasDuplicate ) {
1869                 while ( (elem = results[i++]) ) {
1870                         if ( elem === results[ i ] ) {
1871                                 j = duplicates.push( i );
1872                         }
1873                 }
1874                 while ( j-- ) {
1875                         results.splice( duplicates[ j ], 1 );
1876                 }
1877         }
1879         return results;
1883  * Utility function for retrieving the text value of an array of DOM nodes
1884  * @param {Array|Element} elem
1885  */
1886 getText = Sizzle.getText = function( elem ) {
1887         var node,
1888                 ret = "",
1889                 i = 0,
1890                 nodeType = elem.nodeType;
1892         if ( !nodeType ) {
1893                 // If no nodeType, this is expected to be an array
1894                 for ( ; (node = elem[i]); i++ ) {
1895                         // Do not traverse comment nodes
1896                         ret += getText( node );
1897                 }
1898         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1899                 // Use textContent for elements
1900                 // innerText usage removed for consistency of new lines (see #11153)
1901                 if ( typeof elem.textContent === "string" ) {
1902                         return elem.textContent;
1903                 } else {
1904                         // Traverse its children
1905                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1906                                 ret += getText( elem );
1907                         }
1908                 }
1909         } else if ( nodeType === 3 || nodeType === 4 ) {
1910                 return elem.nodeValue;
1911         }
1912         // Do not include comment or processing instruction nodes
1914         return ret;
1917 Expr = Sizzle.selectors = {
1919         // Can be adjusted by the user
1920         cacheLength: 50,
1922         createPseudo: markFunction,
1924         match: matchExpr,
1926         attrHandle: {},
1928         find: {},
1930         relative: {
1931                 ">": { dir: "parentNode", first: true },
1932                 " ": { dir: "parentNode" },
1933                 "+": { dir: "previousSibling", first: true },
1934                 "~": { dir: "previousSibling" }
1935         },
1937         preFilter: {
1938                 "ATTR": function( match ) {
1939                         match[1] = match[1].replace( runescape, funescape );
1941                         // Move the given value to match[3] whether quoted or unquoted
1942                         match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
1944                         if ( match[2] === "~=" ) {
1945                                 match[3] = " " + match[3] + " ";
1946                         }
1948                         return match.slice( 0, 4 );
1949                 },
1951                 "CHILD": function( match ) {
1952                         /* matches from matchExpr["CHILD"]
1953                                 1 type (only|nth|...)
1954                                 2 what (child|of-type)
1955                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1956                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1957                                 5 sign of xn-component
1958                                 6 x of xn-component
1959                                 7 sign of y-component
1960                                 8 y of y-component
1961                         */
1962                         match[1] = match[1].toLowerCase();
1964                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1965                                 // nth-* requires argument
1966                                 if ( !match[3] ) {
1967                                         Sizzle.error( match[0] );
1968                                 }
1970                                 // numeric x and y parameters for Expr.filter.CHILD
1971                                 // remember that false/true cast respectively to 0/1
1972                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1973                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1975                         // other types prohibit arguments
1976                         } else if ( match[3] ) {
1977                                 Sizzle.error( match[0] );
1978                         }
1980                         return match;
1981                 },
1983                 "PSEUDO": function( match ) {
1984                         var excess,
1985                                 unquoted = !match[5] && match[2];
1987                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1988                                 return null;
1989                         }
1991                         // Accept quoted arguments as-is
1992                         if ( match[3] && match[4] !== undefined ) {
1993                                 match[2] = match[4];
1995                         // Strip excess characters from unquoted arguments
1996                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1997                                 // Get excess from tokenize (recursively)
1998                                 (excess = tokenize( unquoted, true )) &&
1999                                 // advance to the next closing parenthesis
2000                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
2002                                 // excess is a negative index
2003                                 match[0] = match[0].slice( 0, excess );
2004                                 match[2] = unquoted.slice( 0, excess );
2005                         }
2007                         // Return only captures needed by the pseudo filter method (type and argument)
2008                         return match.slice( 0, 3 );
2009                 }
2010         },
2012         filter: {
2014                 "TAG": function( nodeNameSelector ) {
2015                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
2016                         return nodeNameSelector === "*" ?
2017                                 function() { return true; } :
2018                                 function( elem ) {
2019                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
2020                                 };
2021                 },
2023                 "CLASS": function( className ) {
2024                         var pattern = classCache[ className + " " ];
2026                         return pattern ||
2027                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
2028                                 classCache( className, function( elem ) {
2029                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
2030                                 });
2031                 },
2033                 "ATTR": function( name, operator, check ) {
2034                         return function( elem ) {
2035                                 var result = Sizzle.attr( elem, name );
2037                                 if ( result == null ) {
2038                                         return operator === "!=";
2039                                 }
2040                                 if ( !operator ) {
2041                                         return true;
2042                                 }
2044                                 result += "";
2046                                 return operator === "=" ? result === check :
2047                                         operator === "!=" ? result !== check :
2048                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
2049                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
2050                                         operator === "$=" ? check && result.slice( -check.length ) === check :
2051                                         operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
2052                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
2053                                         false;
2054                         };
2055                 },
2057                 "CHILD": function( type, what, argument, first, last ) {
2058                         var simple = type.slice( 0, 3 ) !== "nth",
2059                                 forward = type.slice( -4 ) !== "last",
2060                                 ofType = what === "of-type";
2062                         return first === 1 && last === 0 ?
2064                                 // Shortcut for :nth-*(n)
2065                                 function( elem ) {
2066                                         return !!elem.parentNode;
2067                                 } :
2069                                 function( elem, context, xml ) {
2070                                         var cache, outerCache, node, diff, nodeIndex, start,
2071                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
2072                                                 parent = elem.parentNode,
2073                                                 name = ofType && elem.nodeName.toLowerCase(),
2074                                                 useCache = !xml && !ofType;
2076                                         if ( parent ) {
2078                                                 // :(first|last|only)-(child|of-type)
2079                                                 if ( simple ) {
2080                                                         while ( dir ) {
2081                                                                 node = elem;
2082                                                                 while ( (node = node[ dir ]) ) {
2083                                                                         if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
2084                                                                                 return false;
2085                                                                         }
2086                                                                 }
2087                                                                 // Reverse direction for :only-* (if we haven't yet done so)
2088                                                                 start = dir = type === "only" && !start && "nextSibling";
2089                                                         }
2090                                                         return true;
2091                                                 }
2093                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
2095                                                 // non-xml :nth-child(...) stores cache data on `parent`
2096                                                 if ( forward && useCache ) {
2097                                                         // Seek `elem` from a previously-cached index
2098                                                         outerCache = parent[ expando ] || (parent[ expando ] = {});
2099                                                         cache = outerCache[ type ] || [];
2100                                                         nodeIndex = cache[0] === dirruns && cache[1];
2101                                                         diff = cache[0] === dirruns && cache[2];
2102                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
2104                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
2106                                                                 // Fallback to seeking `elem` from the start
2107                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
2109                                                                 // When found, cache indexes on `parent` and break
2110                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
2111                                                                         outerCache[ type ] = [ dirruns, nodeIndex, diff ];
2112                                                                         break;
2113                                                                 }
2114                                                         }
2116                                                 // Use previously-cached element index if available
2117                                                 } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
2118                                                         diff = cache[1];
2120                                                 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
2121                                                 } else {
2122                                                         // Use the same loop as above to seek `elem` from the start
2123                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
2124                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
2126                                                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
2127                                                                         // Cache the index of each encountered element
2128                                                                         if ( useCache ) {
2129                                                                                 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
2130                                                                         }
2132                                                                         if ( node === elem ) {
2133                                                                                 break;
2134                                                                         }
2135                                                                 }
2136                                                         }
2137                                                 }
2139                                                 // Incorporate the offset, then check against cycle size
2140                                                 diff -= last;
2141                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
2142                                         }
2143                                 };
2144                 },
2146                 "PSEUDO": function( pseudo, argument ) {
2147                         // pseudo-class names are case-insensitive
2148                         // http://www.w3.org/TR/selectors/#pseudo-classes
2149                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2150                         // Remember that setFilters inherits from pseudos
2151                         var args,
2152                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2153                                         Sizzle.error( "unsupported pseudo: " + pseudo );
2155                         // The user may use createPseudo to indicate that
2156                         // arguments are needed to create the filter function
2157                         // just as Sizzle does
2158                         if ( fn[ expando ] ) {
2159                                 return fn( argument );
2160                         }
2162                         // But maintain support for old signatures
2163                         if ( fn.length > 1 ) {
2164                                 args = [ pseudo, pseudo, "", argument ];
2165                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2166                                         markFunction(function( seed, matches ) {
2167                                                 var idx,
2168                                                         matched = fn( seed, argument ),
2169                                                         i = matched.length;
2170                                                 while ( i-- ) {
2171                                                         idx = indexOf.call( seed, matched[i] );
2172                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
2173                                                 }
2174                                         }) :
2175                                         function( elem ) {
2176                                                 return fn( elem, 0, args );
2177                                         };
2178                         }
2180                         return fn;
2181                 }
2182         },
2184         pseudos: {
2185                 // Potentially complex pseudos
2186                 "not": markFunction(function( selector ) {
2187                         // Trim the selector passed to compile
2188                         // to avoid treating leading and trailing
2189                         // spaces as combinators
2190                         var input = [],
2191                                 results = [],
2192                                 matcher = compile( selector.replace( rtrim, "$1" ) );
2194                         return matcher[ expando ] ?
2195                                 markFunction(function( seed, matches, context, xml ) {
2196                                         var elem,
2197                                                 unmatched = matcher( seed, null, xml, [] ),
2198                                                 i = seed.length;
2200                                         // Match elements unmatched by `matcher`
2201                                         while ( i-- ) {
2202                                                 if ( (elem = unmatched[i]) ) {
2203                                                         seed[i] = !(matches[i] = elem);
2204                                                 }
2205                                         }
2206                                 }) :
2207                                 function( elem, context, xml ) {
2208                                         input[0] = elem;
2209                                         matcher( input, null, xml, results );
2210                                         return !results.pop();
2211                                 };
2212                 }),
2214                 "has": markFunction(function( selector ) {
2215                         return function( elem ) {
2216                                 return Sizzle( selector, elem ).length > 0;
2217                         };
2218                 }),
2220                 "contains": markFunction(function( text ) {
2221                         return function( elem ) {
2222                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
2223                         };
2224                 }),
2226                 // "Whether an element is represented by a :lang() selector
2227                 // is based solely on the element's language value
2228                 // being equal to the identifier C,
2229                 // or beginning with the identifier C immediately followed by "-".
2230                 // The matching of C against the element's language value is performed case-insensitively.
2231                 // The identifier C does not have to be a valid language name."
2232                 // http://www.w3.org/TR/selectors/#lang-pseudo
2233                 "lang": markFunction( function( lang ) {
2234                         // lang value must be a valid identifier
2235                         if ( !ridentifier.test(lang || "") ) {
2236                                 Sizzle.error( "unsupported lang: " + lang );
2237                         }
2238                         lang = lang.replace( runescape, funescape ).toLowerCase();
2239                         return function( elem ) {
2240                                 var elemLang;
2241                                 do {
2242                                         if ( (elemLang = documentIsHTML ?
2243                                                 elem.lang :
2244                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2246                                                 elemLang = elemLang.toLowerCase();
2247                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2248                                         }
2249                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2250                                 return false;
2251                         };
2252                 }),
2254                 // Miscellaneous
2255                 "target": function( elem ) {
2256                         var hash = window.location && window.location.hash;
2257                         return hash && hash.slice( 1 ) === elem.id;
2258                 },
2260                 "root": function( elem ) {
2261                         return elem === docElem;
2262                 },
2264                 "focus": function( elem ) {
2265                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2266                 },
2268                 // Boolean properties
2269                 "enabled": function( elem ) {
2270                         return elem.disabled === false;
2271                 },
2273                 "disabled": function( elem ) {
2274                         return elem.disabled === true;
2275                 },
2277                 "checked": function( elem ) {
2278                         // In CSS3, :checked should return both checked and selected elements
2279                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2280                         var nodeName = elem.nodeName.toLowerCase();
2281                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2282                 },
2284                 "selected": function( elem ) {
2285                         // Accessing this property makes selected-by-default
2286                         // options in Safari work properly
2287                         if ( elem.parentNode ) {
2288                                 elem.parentNode.selectedIndex;
2289                         }
2291                         return elem.selected === true;
2292                 },
2294                 // Contents
2295                 "empty": function( elem ) {
2296                         // http://www.w3.org/TR/selectors/#empty-pseudo
2297                         // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
2298                         //   not comment, processing instructions, or others
2299                         // Thanks to Diego Perini for the nodeName shortcut
2300                         //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
2301                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2302                                 if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
2303                                         return false;
2304                                 }
2305                         }
2306                         return true;
2307                 },
2309                 "parent": function( elem ) {
2310                         return !Expr.pseudos["empty"]( elem );
2311                 },
2313                 // Element/input types
2314                 "header": function( elem ) {
2315                         return rheader.test( elem.nodeName );
2316                 },
2318                 "input": function( elem ) {
2319                         return rinputs.test( elem.nodeName );
2320                 },
2322                 "button": function( elem ) {
2323                         var name = elem.nodeName.toLowerCase();
2324                         return name === "input" && elem.type === "button" || name === "button";
2325                 },
2327                 "text": function( elem ) {
2328                         var attr;
2329                         // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
2330                         // use getAttribute instead to test this case
2331                         return elem.nodeName.toLowerCase() === "input" &&
2332                                 elem.type === "text" &&
2333                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
2334                 },
2336                 // Position-in-collection
2337                 "first": createPositionalPseudo(function() {
2338                         return [ 0 ];
2339                 }),
2341                 "last": createPositionalPseudo(function( matchIndexes, length ) {
2342                         return [ length - 1 ];
2343                 }),
2345                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2346                         return [ argument < 0 ? argument + length : argument ];
2347                 }),
2349                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2350                         var i = 0;
2351                         for ( ; i < length; i += 2 ) {
2352                                 matchIndexes.push( i );
2353                         }
2354                         return matchIndexes;
2355                 }),
2357                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2358                         var i = 1;
2359                         for ( ; i < length; i += 2 ) {
2360                                 matchIndexes.push( i );
2361                         }
2362                         return matchIndexes;
2363                 }),
2365                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2366                         var i = argument < 0 ? argument + length : argument;
2367                         for ( ; --i >= 0; ) {
2368                                 matchIndexes.push( i );
2369                         }
2370                         return matchIndexes;
2371                 }),
2373                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2374                         var i = argument < 0 ? argument + length : argument;
2375                         for ( ; ++i < length; ) {
2376                                 matchIndexes.push( i );
2377                         }
2378                         return matchIndexes;
2379                 })
2380         }
2383 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2385 // Add button/input type pseudos
2386 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2387         Expr.pseudos[ i ] = createInputPseudo( i );
2389 for ( i in { submit: true, reset: true } ) {
2390         Expr.pseudos[ i ] = createButtonPseudo( i );
2393 // Easy API for creating new setFilters
2394 function setFilters() {}
2395 setFilters.prototype = Expr.filters = Expr.pseudos;
2396 Expr.setFilters = new setFilters();
2398 function tokenize( selector, parseOnly ) {
2399         var matched, match, tokens, type,
2400                 soFar, groups, preFilters,
2401                 cached = tokenCache[ selector + " " ];
2403         if ( cached ) {
2404                 return parseOnly ? 0 : cached.slice( 0 );
2405         }
2407         soFar = selector;
2408         groups = [];
2409         preFilters = Expr.preFilter;
2411         while ( soFar ) {
2413                 // Comma and first run
2414                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2415                         if ( match ) {
2416                                 // Don't consume trailing commas as valid
2417                                 soFar = soFar.slice( match[0].length ) || soFar;
2418                         }
2419                         groups.push( tokens = [] );
2420                 }
2422                 matched = false;
2424                 // Combinators
2425                 if ( (match = rcombinators.exec( soFar )) ) {
2426                         matched = match.shift();
2427                         tokens.push({
2428                                 value: matched,
2429                                 // Cast descendant combinators to space
2430                                 type: match[0].replace( rtrim, " " )
2431                         });
2432                         soFar = soFar.slice( matched.length );
2433                 }
2435                 // Filters
2436                 for ( type in Expr.filter ) {
2437                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2438                                 (match = preFilters[ type ]( match ))) ) {
2439                                 matched = match.shift();
2440                                 tokens.push({
2441                                         value: matched,
2442                                         type: type,
2443                                         matches: match
2444                                 });
2445                                 soFar = soFar.slice( matched.length );
2446                         }
2447                 }
2449                 if ( !matched ) {
2450                         break;
2451                 }
2452         }
2454         // Return the length of the invalid excess
2455         // if we're just parsing
2456         // Otherwise, throw an error or return tokens
2457         return parseOnly ?
2458                 soFar.length :
2459                 soFar ?
2460                         Sizzle.error( selector ) :
2461                         // Cache the tokens
2462                         tokenCache( selector, groups ).slice( 0 );
2465 function toSelector( tokens ) {
2466         var i = 0,
2467                 len = tokens.length,
2468                 selector = "";
2469         for ( ; i < len; i++ ) {
2470                 selector += tokens[i].value;
2471         }
2472         return selector;
2475 function addCombinator( matcher, combinator, base ) {
2476         var dir = combinator.dir,
2477                 checkNonElements = base && dir === "parentNode",
2478                 doneName = done++;
2480         return combinator.first ?
2481                 // Check against closest ancestor/preceding element
2482                 function( elem, context, xml ) {
2483                         while ( (elem = elem[ dir ]) ) {
2484                                 if ( elem.nodeType === 1 || checkNonElements ) {
2485                                         return matcher( elem, context, xml );
2486                                 }
2487                         }
2488                 } :
2490                 // Check against all ancestor/preceding elements
2491                 function( elem, context, xml ) {
2492                         var data, cache, outerCache,
2493                                 dirkey = dirruns + " " + doneName;
2495                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2496                         if ( xml ) {
2497                                 while ( (elem = elem[ dir ]) ) {
2498                                         if ( elem.nodeType === 1 || checkNonElements ) {
2499                                                 if ( matcher( elem, context, xml ) ) {
2500                                                         return true;
2501                                                 }
2502                                         }
2503                                 }
2504                         } else {
2505                                 while ( (elem = elem[ dir ]) ) {
2506                                         if ( elem.nodeType === 1 || checkNonElements ) {
2507                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2508                                                 if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
2509                                                         if ( (data = cache[1]) === true || data === cachedruns ) {
2510                                                                 return data === true;
2511                                                         }
2512                                                 } else {
2513                                                         cache = outerCache[ dir ] = [ dirkey ];
2514                                                         cache[1] = matcher( elem, context, xml ) || cachedruns;
2515                                                         if ( cache[1] === true ) {
2516                                                                 return true;
2517                                                         }
2518                                                 }
2519                                         }
2520                                 }
2521                         }
2522                 };
2525 function elementMatcher( matchers ) {
2526         return matchers.length > 1 ?
2527                 function( elem, context, xml ) {
2528                         var i = matchers.length;
2529                         while ( i-- ) {
2530                                 if ( !matchers[i]( elem, context, xml ) ) {
2531                                         return false;
2532                                 }
2533                         }
2534                         return true;
2535                 } :
2536                 matchers[0];
2539 function condense( unmatched, map, filter, context, xml ) {
2540         var elem,
2541                 newUnmatched = [],
2542                 i = 0,
2543                 len = unmatched.length,
2544                 mapped = map != null;
2546         for ( ; i < len; i++ ) {
2547                 if ( (elem = unmatched[i]) ) {
2548                         if ( !filter || filter( elem, context, xml ) ) {
2549                                 newUnmatched.push( elem );
2550                                 if ( mapped ) {
2551                                         map.push( i );
2552                                 }
2553                         }
2554                 }
2555         }
2557         return newUnmatched;
2560 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2561         if ( postFilter && !postFilter[ expando ] ) {
2562                 postFilter = setMatcher( postFilter );
2563         }
2564         if ( postFinder && !postFinder[ expando ] ) {
2565                 postFinder = setMatcher( postFinder, postSelector );
2566         }
2567         return markFunction(function( seed, results, context, xml ) {
2568                 var temp, i, elem,
2569                         preMap = [],
2570                         postMap = [],
2571                         preexisting = results.length,
2573                         // Get initial elements from seed or context
2574                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2576                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2577                         matcherIn = preFilter && ( seed || !selector ) ?
2578                                 condense( elems, preMap, preFilter, context, xml ) :
2579                                 elems,
2581                         matcherOut = matcher ?
2582                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2583                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2585                                         // ...intermediate processing is necessary
2586                                         [] :
2588                                         // ...otherwise use results directly
2589                                         results :
2590                                 matcherIn;
2592                 // Find primary matches
2593                 if ( matcher ) {
2594                         matcher( matcherIn, matcherOut, context, xml );
2595                 }
2597                 // Apply postFilter
2598                 if ( postFilter ) {
2599                         temp = condense( matcherOut, postMap );
2600                         postFilter( temp, [], context, xml );
2602                         // Un-match failing elements by moving them back to matcherIn
2603                         i = temp.length;
2604                         while ( i-- ) {
2605                                 if ( (elem = temp[i]) ) {
2606                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2607                                 }
2608                         }
2609                 }
2611                 if ( seed ) {
2612                         if ( postFinder || preFilter ) {
2613                                 if ( postFinder ) {
2614                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2615                                         temp = [];
2616                                         i = matcherOut.length;
2617                                         while ( i-- ) {
2618                                                 if ( (elem = matcherOut[i]) ) {
2619                                                         // Restore matcherIn since elem is not yet a final match
2620                                                         temp.push( (matcherIn[i] = elem) );
2621                                                 }
2622                                         }
2623                                         postFinder( null, (matcherOut = []), temp, xml );
2624                                 }
2626                                 // Move matched elements from seed to results to keep them synchronized
2627                                 i = matcherOut.length;
2628                                 while ( i-- ) {
2629                                         if ( (elem = matcherOut[i]) &&
2630                                                 (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2632                                                 seed[temp] = !(results[temp] = elem);
2633                                         }
2634                                 }
2635                         }
2637                 // Add elements to results, through postFinder if defined
2638                 } else {
2639                         matcherOut = condense(
2640                                 matcherOut === results ?
2641                                         matcherOut.splice( preexisting, matcherOut.length ) :
2642                                         matcherOut
2643                         );
2644                         if ( postFinder ) {
2645                                 postFinder( null, results, matcherOut, xml );
2646                         } else {
2647                                 push.apply( results, matcherOut );
2648                         }
2649                 }
2650         });
2653 function matcherFromTokens( tokens ) {
2654         var checkContext, matcher, j,
2655                 len = tokens.length,
2656                 leadingRelative = Expr.relative[ tokens[0].type ],
2657                 implicitRelative = leadingRelative || Expr.relative[" "],
2658                 i = leadingRelative ? 1 : 0,
2660                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2661                 matchContext = addCombinator( function( elem ) {
2662                         return elem === checkContext;
2663                 }, implicitRelative, true ),
2664                 matchAnyContext = addCombinator( function( elem ) {
2665                         return indexOf.call( checkContext, elem ) > -1;
2666                 }, implicitRelative, true ),
2667                 matchers = [ function( elem, context, xml ) {
2668                         return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2669                                 (checkContext = context).nodeType ?
2670                                         matchContext( elem, context, xml ) :
2671                                         matchAnyContext( elem, context, xml ) );
2672                 } ];
2674         for ( ; i < len; i++ ) {
2675                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2676                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2677                 } else {
2678                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2680                         // Return special upon seeing a positional matcher
2681                         if ( matcher[ expando ] ) {
2682                                 // Find the next relative operator (if any) for proper handling
2683                                 j = ++i;
2684                                 for ( ; j < len; j++ ) {
2685                                         if ( Expr.relative[ tokens[j].type ] ) {
2686                                                 break;
2687                                         }
2688                                 }
2689                                 return setMatcher(
2690                                         i > 1 && elementMatcher( matchers ),
2691                                         i > 1 && toSelector(
2692                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2693                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2694                                         ).replace( rtrim, "$1" ),
2695                                         matcher,
2696                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2697                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2698                                         j < len && toSelector( tokens )
2699                                 );
2700                         }
2701                         matchers.push( matcher );
2702                 }
2703         }
2705         return elementMatcher( matchers );
2708 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2709         // A counter to specify which element is currently being matched
2710         var matcherCachedRuns = 0,
2711                 bySet = setMatchers.length > 0,
2712                 byElement = elementMatchers.length > 0,
2713                 superMatcher = function( seed, context, xml, results, expandContext ) {
2714                         var elem, j, matcher,
2715                                 setMatched = [],
2716                                 matchedCount = 0,
2717                                 i = "0",
2718                                 unmatched = seed && [],
2719                                 outermost = expandContext != null,
2720                                 contextBackup = outermostContext,
2721                                 // We must always have either seed elements or context
2722                                 elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
2723                                 // Use integer dirruns iff this is the outermost matcher
2724                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
2726                         if ( outermost ) {
2727                                 outermostContext = context !== document && context;
2728                                 cachedruns = matcherCachedRuns;
2729                         }
2731                         // Add elements passing elementMatchers directly to results
2732                         // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2733                         for ( ; (elem = elems[i]) != null; i++ ) {
2734                                 if ( byElement && elem ) {
2735                                         j = 0;
2736                                         while ( (matcher = elementMatchers[j++]) ) {
2737                                                 if ( matcher( elem, context, xml ) ) {
2738                                                         results.push( elem );
2739                                                         break;
2740                                                 }
2741                                         }
2742                                         if ( outermost ) {
2743                                                 dirruns = dirrunsUnique;
2744                                                 cachedruns = ++matcherCachedRuns;
2745                                         }
2746                                 }
2748                                 // Track unmatched elements for set filters
2749                                 if ( bySet ) {
2750                                         // They will have gone through all possible matchers
2751                                         if ( (elem = !matcher && elem) ) {
2752                                                 matchedCount--;
2753                                         }
2755                                         // Lengthen the array for every element, matched or not
2756                                         if ( seed ) {
2757                                                 unmatched.push( elem );
2758                                         }
2759                                 }
2760                         }
2762                         // Apply set filters to unmatched elements
2763                         matchedCount += i;
2764                         if ( bySet && i !== matchedCount ) {
2765                                 j = 0;
2766                                 while ( (matcher = setMatchers[j++]) ) {
2767                                         matcher( unmatched, setMatched, context, xml );
2768                                 }
2770                                 if ( seed ) {
2771                                         // Reintegrate element matches to eliminate the need for sorting
2772                                         if ( matchedCount > 0 ) {
2773                                                 while ( i-- ) {
2774                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2775                                                                 setMatched[i] = pop.call( results );
2776                                                         }
2777                                                 }
2778                                         }
2780                                         // Discard index placeholder values to get only actual matches
2781                                         setMatched = condense( setMatched );
2782                                 }
2784                                 // Add matches to results
2785                                 push.apply( results, setMatched );
2787                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2788                                 if ( outermost && !seed && setMatched.length > 0 &&
2789                                         ( matchedCount + setMatchers.length ) > 1 ) {
2791                                         Sizzle.uniqueSort( results );
2792                                 }
2793                         }
2795                         // Override manipulation of globals by nested matchers
2796                         if ( outermost ) {
2797                                 dirruns = dirrunsUnique;
2798                                 outermostContext = contextBackup;
2799                         }
2801                         return unmatched;
2802                 };
2804         return bySet ?
2805                 markFunction( superMatcher ) :
2806                 superMatcher;
2809 compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
2810         var i,
2811                 setMatchers = [],
2812                 elementMatchers = [],
2813                 cached = compilerCache[ selector + " " ];
2815         if ( !cached ) {
2816                 // Generate a function of recursive functions that can be used to check each element
2817                 if ( !group ) {
2818                         group = tokenize( selector );
2819                 }
2820                 i = group.length;
2821                 while ( i-- ) {
2822                         cached = matcherFromTokens( group[i] );
2823                         if ( cached[ expando ] ) {
2824                                 setMatchers.push( cached );
2825                         } else {
2826                                 elementMatchers.push( cached );
2827                         }
2828                 }
2830                 // Cache the compiled function
2831                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2832         }
2833         return cached;
2836 function multipleContexts( selector, contexts, results ) {
2837         var i = 0,
2838                 len = contexts.length;
2839         for ( ; i < len; i++ ) {
2840                 Sizzle( selector, contexts[i], results );
2841         }
2842         return results;
2845 function select( selector, context, results, seed ) {
2846         var i, tokens, token, type, find,
2847                 match = tokenize( selector );
2849         if ( !seed ) {
2850                 // Try to minimize operations if there is only one group
2851                 if ( match.length === 1 ) {
2853                         // Take a shortcut and set the context if the root selector is an ID
2854                         tokens = match[0] = match[0].slice( 0 );
2855                         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2856                                         support.getById && context.nodeType === 9 && documentIsHTML &&
2857                                         Expr.relative[ tokens[1].type ] ) {
2859                                 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2860                                 if ( !context ) {
2861                                         return results;
2862                                 }
2863                                 selector = selector.slice( tokens.shift().value.length );
2864                         }
2866                         // Fetch a seed set for right-to-left matching
2867                         i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2868                         while ( i-- ) {
2869                                 token = tokens[i];
2871                                 // Abort if we hit a combinator
2872                                 if ( Expr.relative[ (type = token.type) ] ) {
2873                                         break;
2874                                 }
2875                                 if ( (find = Expr.find[ type ]) ) {
2876                                         // Search, expanding context for leading sibling combinators
2877                                         if ( (seed = find(
2878                                                 token.matches[0].replace( runescape, funescape ),
2879                                                 rsibling.test( tokens[0].type ) && context.parentNode || context
2880                                         )) ) {
2882                                                 // If seed is empty or no tokens remain, we can return early
2883                                                 tokens.splice( i, 1 );
2884                                                 selector = seed.length && toSelector( tokens );
2885                                                 if ( !selector ) {
2886                                                         push.apply( results, seed );
2887                                                         return results;
2888                                                 }
2890                                                 break;
2891                                         }
2892                                 }
2893                         }
2894                 }
2895         }
2897         // Compile and execute a filtering function
2898         // Provide `match` to avoid retokenization if we modified the selector above
2899         compile( selector, match )(
2900                 seed,
2901                 context,
2902                 !documentIsHTML,
2903                 results,
2904                 rsibling.test( selector )
2905         );
2906         return results;
2909 // One-time assignments
2911 // Sort stability
2912 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2914 // Support: Chrome<14
2915 // Always assume duplicates if they aren't passed to the comparison function
2916 support.detectDuplicates = hasDuplicate;
2918 // Initialize against the default document
2919 setDocument();
2921 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2922 // Detached nodes confoundingly follow *each other*
2923 support.sortDetached = assert(function( div1 ) {
2924         // Should return 1, but returns 4 (following)
2925         return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2928 // Support: IE<8
2929 // Prevent attribute/property "interpolation"
2930 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2931 if ( !assert(function( div ) {
2932         div.innerHTML = "<a href='#'></a>";
2933         return div.firstChild.getAttribute("href") === "#" ;
2934 }) ) {
2935         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2936                 if ( !isXML ) {
2937                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2938                 }
2939         });
2942 // Support: IE<9
2943 // Use defaultValue in place of getAttribute("value")
2944 if ( !support.attributes || !assert(function( div ) {
2945         div.innerHTML = "<input/>";
2946         div.firstChild.setAttribute( "value", "" );
2947         return div.firstChild.getAttribute( "value" ) === "";
2948 }) ) {
2949         addHandle( "value", function( elem, name, isXML ) {
2950                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2951                         return elem.defaultValue;
2952                 }
2953         });
2956 // Support: IE<9
2957 // Use getAttributeNode to fetch booleans when getAttribute lies
2958 if ( !assert(function( div ) {
2959         return div.getAttribute("disabled") == null;
2960 }) ) {
2961         addHandle( booleans, function( elem, name, isXML ) {
2962                 var val;
2963                 if ( !isXML ) {
2964                         return (val = elem.getAttributeNode( name )) && val.specified ?
2965                                 val.value :
2966                                 elem[ name ] === true ? name.toLowerCase() : null;
2967                 }
2968         });
2971 jQuery.find = Sizzle;
2972 jQuery.expr = Sizzle.selectors;
2973 jQuery.expr[":"] = jQuery.expr.pseudos;
2974 jQuery.unique = Sizzle.uniqueSort;
2975 jQuery.text = Sizzle.getText;
2976 jQuery.isXMLDoc = Sizzle.isXML;
2977 jQuery.contains = Sizzle.contains;
2980 })( window );
2981 // String to Object options format cache
2982 var optionsCache = {};
2984 // Convert String-formatted options into Object-formatted ones and store in cache
2985 function createOptions( options ) {
2986         var object = optionsCache[ options ] = {};
2987         jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
2988                 object[ flag ] = true;
2989         });
2990         return object;
2994  * Create a callback list using the following parameters:
2996  *      options: an optional list of space-separated options that will change how
2997  *                      the callback list behaves or a more traditional option object
2999  * By default a callback list will act like an event callback list and can be
3000  * "fired" multiple times.
3002  * Possible options:
3004  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3006  *      memory:                 will keep track of previous values and will call any callback added
3007  *                                      after the list has been fired right away with the latest "memorized"
3008  *                                      values (like a Deferred)
3010  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3012  *      stopOnFalse:    interrupt callings when a callback returns false
3014  */
3015 jQuery.Callbacks = function( options ) {
3017         // Convert options from String-formatted to Object-formatted if needed
3018         // (we check in cache first)
3019         options = typeof options === "string" ?
3020                 ( optionsCache[ options ] || createOptions( options ) ) :
3021                 jQuery.extend( {}, options );
3023         var // Flag to know if list is currently firing
3024                 firing,
3025                 // Last fire value (for non-forgettable lists)
3026                 memory,
3027                 // Flag to know if list was already fired
3028                 fired,
3029                 // End of the loop when firing
3030                 firingLength,
3031                 // Index of currently firing callback (modified by remove if needed)
3032                 firingIndex,
3033                 // First callback to fire (used internally by add and fireWith)
3034                 firingStart,
3035                 // Actual callback list
3036                 list = [],
3037                 // Stack of fire calls for repeatable lists
3038                 stack = !options.once && [],
3039                 // Fire callbacks
3040                 fire = function( data ) {
3041                         memory = options.memory && data;
3042                         fired = true;
3043                         firingIndex = firingStart || 0;
3044                         firingStart = 0;
3045                         firingLength = list.length;
3046                         firing = true;
3047                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3048                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3049                                         memory = false; // To prevent further calls using add
3050                                         break;
3051                                 }
3052                         }
3053                         firing = false;
3054                         if ( list ) {
3055                                 if ( stack ) {
3056                                         if ( stack.length ) {
3057                                                 fire( stack.shift() );
3058                                         }
3059                                 } else if ( memory ) {
3060                                         list = [];
3061                                 } else {
3062                                         self.disable();
3063                                 }
3064                         }
3065                 },
3066                 // Actual Callbacks object
3067                 self = {
3068                         // Add a callback or a collection of callbacks to the list
3069                         add: function() {
3070                                 if ( list ) {
3071                                         // First, we save the current length
3072                                         var start = list.length;
3073                                         (function add( args ) {
3074                                                 jQuery.each( args, function( _, arg ) {
3075                                                         var type = jQuery.type( arg );
3076                                                         if ( type === "function" ) {
3077                                                                 if ( !options.unique || !self.has( arg ) ) {
3078                                                                         list.push( arg );
3079                                                                 }
3080                                                         } else if ( arg && arg.length && type !== "string" ) {
3081                                                                 // Inspect recursively
3082                                                                 add( arg );
3083                                                         }
3084                                                 });
3085                                         })( arguments );
3086                                         // Do we need to add the callbacks to the
3087                                         // current firing batch?
3088                                         if ( firing ) {
3089                                                 firingLength = list.length;
3090                                         // With memory, if we're not firing then
3091                                         // we should call right away
3092                                         } else if ( memory ) {
3093                                                 firingStart = start;
3094                                                 fire( memory );
3095                                         }
3096                                 }
3097                                 return this;
3098                         },
3099                         // Remove a callback from the list
3100                         remove: function() {
3101                                 if ( list ) {
3102                                         jQuery.each( arguments, function( _, arg ) {
3103                                                 var index;
3104                                                 while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3105                                                         list.splice( index, 1 );
3106                                                         // Handle firing indexes
3107                                                         if ( firing ) {
3108                                                                 if ( index <= firingLength ) {
3109                                                                         firingLength--;
3110                                                                 }
3111                                                                 if ( index <= firingIndex ) {
3112                                                                         firingIndex--;
3113                                                                 }
3114                                                         }
3115                                                 }
3116                                         });
3117                                 }
3118                                 return this;
3119                         },
3120                         // Check if a given callback is in the list.
3121                         // If no argument is given, return whether or not list has callbacks attached.
3122                         has: function( fn ) {
3123                                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3124                         },
3125                         // Remove all callbacks from the list
3126                         empty: function() {
3127                                 list = [];
3128                                 firingLength = 0;
3129                                 return this;
3130                         },
3131                         // Have the list do nothing anymore
3132                         disable: function() {
3133                                 list = stack = memory = undefined;
3134                                 return this;
3135                         },
3136                         // Is it disabled?
3137                         disabled: function() {
3138                                 return !list;
3139                         },
3140                         // Lock the list in its current state
3141                         lock: function() {
3142                                 stack = undefined;
3143                                 if ( !memory ) {
3144                                         self.disable();
3145                                 }
3146                                 return this;
3147                         },
3148                         // Is it locked?
3149                         locked: function() {
3150                                 return !stack;
3151                         },
3152                         // Call all callbacks with the given context and arguments
3153                         fireWith: function( context, args ) {
3154                                 if ( list && ( !fired || stack ) ) {
3155                                         args = args || [];
3156                                         args = [ context, args.slice ? args.slice() : args ];
3157                                         if ( firing ) {
3158                                                 stack.push( args );
3159                                         } else {
3160                                                 fire( args );
3161                                         }
3162                                 }
3163                                 return this;
3164                         },
3165                         // Call all the callbacks with the given arguments
3166                         fire: function() {
3167                                 self.fireWith( this, arguments );
3168                                 return this;
3169                         },
3170                         // To know if the callbacks have already been called at least once
3171                         fired: function() {
3172                                 return !!fired;
3173                         }
3174                 };
3176         return self;
3178 jQuery.extend({
3180         Deferred: function( func ) {
3181                 var tuples = [
3182                                 // action, add listener, listener list, final state
3183                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3184                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3185                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3186                         ],
3187                         state = "pending",
3188                         promise = {
3189                                 state: function() {
3190                                         return state;
3191                                 },
3192                                 always: function() {
3193                                         deferred.done( arguments ).fail( arguments );
3194                                         return this;
3195                                 },
3196                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3197                                         var fns = arguments;
3198                                         return jQuery.Deferred(function( newDefer ) {
3199                                                 jQuery.each( tuples, function( i, tuple ) {
3200                                                         var action = tuple[ 0 ],
3201                                                                 fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3202                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
3203                                                         deferred[ tuple[1] ](function() {
3204                                                                 var returned = fn && fn.apply( this, arguments );
3205                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3206                                                                         returned.promise()
3207                                                                                 .done( newDefer.resolve )
3208                                                                                 .fail( newDefer.reject )
3209                                                                                 .progress( newDefer.notify );
3210                                                                 } else {
3211                                                                         newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3212                                                                 }
3213                                                         });
3214                                                 });
3215                                                 fns = null;
3216                                         }).promise();
3217                                 },
3218                                 // Get a promise for this deferred
3219                                 // If obj is provided, the promise aspect is added to the object
3220                                 promise: function( obj ) {
3221                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3222                                 }
3223                         },
3224                         deferred = {};
3226                 // Keep pipe for back-compat
3227                 promise.pipe = promise.then;
3229                 // Add list-specific methods
3230                 jQuery.each( tuples, function( i, tuple ) {
3231                         var list = tuple[ 2 ],
3232                                 stateString = tuple[ 3 ];
3234                         // promise[ done | fail | progress ] = list.add
3235                         promise[ tuple[1] ] = list.add;
3237                         // Handle state
3238                         if ( stateString ) {
3239                                 list.add(function() {
3240                                         // state = [ resolved | rejected ]
3241                                         state = stateString;
3243                                 // [ reject_list | resolve_list ].disable; progress_list.lock
3244                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3245                         }
3247                         // deferred[ resolve | reject | notify ]
3248                         deferred[ tuple[0] ] = function() {
3249                                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3250                                 return this;
3251                         };
3252                         deferred[ tuple[0] + "With" ] = list.fireWith;
3253                 });
3255                 // Make the deferred a promise
3256                 promise.promise( deferred );
3258                 // Call given func if any
3259                 if ( func ) {
3260                         func.call( deferred, deferred );
3261                 }
3263                 // All done!
3264                 return deferred;
3265         },
3267         // Deferred helper
3268         when: function( subordinate /* , ..., subordinateN */ ) {
3269                 var i = 0,
3270                         resolveValues = core_slice.call( arguments ),
3271                         length = resolveValues.length,
3273                         // the count of uncompleted subordinates
3274                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3276                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3277                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3279                         // Update function for both resolve and progress values
3280                         updateFunc = function( i, contexts, values ) {
3281                                 return function( value ) {
3282                                         contexts[ i ] = this;
3283                                         values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
3284                                         if( values === progressValues ) {
3285                                                 deferred.notifyWith( contexts, values );
3286                                         } else if ( !( --remaining ) ) {
3287                                                 deferred.resolveWith( contexts, values );
3288                                         }
3289                                 };
3290                         },
3292                         progressValues, progressContexts, resolveContexts;
3294                 // add listeners to Deferred subordinates; treat others as resolved
3295                 if ( length > 1 ) {
3296                         progressValues = new Array( length );
3297                         progressContexts = new Array( length );
3298                         resolveContexts = new Array( length );
3299                         for ( ; i < length; i++ ) {
3300                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3301                                         resolveValues[ i ].promise()
3302                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
3303                                                 .fail( deferred.reject )
3304                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
3305                                 } else {
3306                                         --remaining;
3307                                 }
3308                         }
3309                 }
3311                 // if we're not waiting on anything, resolve the master
3312                 if ( !remaining ) {
3313                         deferred.resolveWith( resolveContexts, resolveValues );
3314                 }
3316                 return deferred.promise();
3317         }
3319 jQuery.support = (function( support ) {
3321         var all, a, input, select, fragment, opt, eventName, isSupported, i,
3322                 div = document.createElement("div");
3324         // Setup
3325         div.setAttribute( "className", "t" );
3326         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
3328         // Finish early in limited (non-browser) environments
3329         all = div.getElementsByTagName("*") || [];
3330         a = div.getElementsByTagName("a")[ 0 ];
3331         if ( !a || !a.style || !all.length ) {
3332                 return support;
3333         }
3335         // First batch of tests
3336         select = document.createElement("select");
3337         opt = select.appendChild( document.createElement("option") );
3338         input = div.getElementsByTagName("input")[ 0 ];
3340         a.style.cssText = "top:1px;float:left;opacity:.5";
3342         // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
3343         support.getSetAttribute = div.className !== "t";
3345         // IE strips leading whitespace when .innerHTML is used
3346         support.leadingWhitespace = div.firstChild.nodeType === 3;
3348         // Make sure that tbody elements aren't automatically inserted
3349         // IE will insert them into empty tables
3350         support.tbody = !div.getElementsByTagName("tbody").length;
3352         // Make sure that link elements get serialized correctly by innerHTML
3353         // This requires a wrapper element in IE
3354         support.htmlSerialize = !!div.getElementsByTagName("link").length;
3356         // Get the style information from getAttribute
3357         // (IE uses .cssText instead)
3358         support.style = /top/.test( a.getAttribute("style") );
3360         // Make sure that URLs aren't manipulated
3361         // (IE normalizes it by default)
3362         support.hrefNormalized = a.getAttribute("href") === "/a";
3364         // Make sure that element opacity exists
3365         // (IE uses filter instead)
3366         // Use a regex to work around a WebKit issue. See #5145
3367         support.opacity = /^0.5/.test( a.style.opacity );
3369         // Verify style float existence
3370         // (IE uses styleFloat instead of cssFloat)
3371         support.cssFloat = !!a.style.cssFloat;
3373         // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
3374         support.checkOn = !!input.value;
3376         // Make sure that a selected-by-default option has a working selected property.
3377         // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
3378         support.optSelected = opt.selected;
3380         // Tests for enctype support on a form (#6743)
3381         support.enctype = !!document.createElement("form").enctype;
3383         // Makes sure cloning an html5 element does not cause problems
3384         // Where outerHTML is undefined, this still works
3385         support.html5Clone = document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>";
3387         // Will be defined later
3388         support.inlineBlockNeedsLayout = false;
3389         support.shrinkWrapBlocks = false;
3390         support.pixelPosition = false;
3391         support.deleteExpando = true;
3392         support.noCloneEvent = true;
3393         support.reliableMarginRight = true;
3394         support.boxSizingReliable = true;
3396         // Make sure checked status is properly cloned
3397         input.checked = true;
3398         support.noCloneChecked = input.cloneNode( true ).checked;
3400         // Make sure that the options inside disabled selects aren't marked as disabled
3401         // (WebKit marks them as disabled)
3402         select.disabled = true;
3403         support.optDisabled = !opt.disabled;
3405         // Support: IE<9
3406         try {
3407                 delete div.test;
3408         } catch( e ) {
3409                 support.deleteExpando = false;
3410         }
3412         // Check if we can trust getAttribute("value")
3413         input = document.createElement("input");
3414         input.setAttribute( "value", "" );
3415         support.input = input.getAttribute( "value" ) === "";
3417         // Check if an input maintains its value after becoming a radio
3418         input.value = "t";
3419         input.setAttribute( "type", "radio" );
3420         support.radioValue = input.value === "t";
3422         // #11217 - WebKit loses check when the name is after the checked attribute
3423         input.setAttribute( "checked", "t" );
3424         input.setAttribute( "name", "t" );
3426         fragment = document.createDocumentFragment();
3427         fragment.appendChild( input );
3429         // Check if a disconnected checkbox will retain its checked
3430         // value of true after appended to the DOM (IE6/7)
3431         support.appendChecked = input.checked;
3433         // WebKit doesn't clone checked state correctly in fragments
3434         support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
3436         // Support: IE<9
3437         // Opera does not clone events (and typeof div.attachEvent === undefined).
3438         // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
3439         if ( div.attachEvent ) {
3440                 div.attachEvent( "onclick", function() {
3441                         support.noCloneEvent = false;
3442                 });
3444                 div.cloneNode( true ).click();
3445         }
3447         // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
3448         // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
3449         for ( i in { submit: true, change: true, focusin: true }) {
3450                 div.setAttribute( eventName = "on" + i, "t" );
3452                 support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
3453         }
3455         div.style.backgroundClip = "content-box";
3456         div.cloneNode( true ).style.backgroundClip = "";
3457         support.clearCloneStyle = div.style.backgroundClip === "content-box";
3459         // Support: IE<9
3460         // Iteration over object's inherited properties before its own.
3461         for ( i in jQuery( support ) ) {
3462                 break;
3463         }
3464         support.ownLast = i !== "0";
3466         // Run tests that need a body at doc ready
3467         jQuery(function() {
3468                 var container, marginDiv, tds,
3469                         divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
3470                         body = document.getElementsByTagName("body")[0];
3472                 if ( !body ) {
3473                         // Return for frameset docs that don't have a body
3474                         return;
3475                 }
3477                 container = document.createElement("div");
3478                 container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
3480                 body.appendChild( container ).appendChild( div );
3482                 // Support: IE8
3483                 // Check if table cells still have offsetWidth/Height when they are set
3484                 // to display:none and there are still other visible table cells in a
3485                 // table row; if so, offsetWidth/Height are not reliable for use when
3486                 // determining if an element has been hidden directly using
3487                 // display:none (it is still safe to use offsets if a parent element is
3488                 // hidden; don safety goggles and see bug #4512 for more information).
3489                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
3490                 tds = div.getElementsByTagName("td");
3491                 tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
3492                 isSupported = ( tds[ 0 ].offsetHeight === 0 );
3494                 tds[ 0 ].style.display = "";
3495                 tds[ 1 ].style.display = "none";
3497                 // Support: IE8
3498                 // Check if empty table cells still have offsetWidth/Height
3499                 support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
3501                 // Check box-sizing and margin behavior.
3502                 div.innerHTML = "";
3503                 div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
3505                 // Workaround failing boxSizing test due to offsetWidth returning wrong value
3506                 // with some non-1 values of body zoom, ticket #13543
3507                 jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
3508                         support.boxSizing = div.offsetWidth === 4;
3509                 });
3511                 // Use window.getComputedStyle because jsdom on node.js will break without it.
3512                 if ( window.getComputedStyle ) {
3513                         support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
3514                         support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
3516                         // Check if div with explicit width and no margin-right incorrectly
3517                         // gets computed margin-right based on width of container. (#3333)
3518                         // Fails in WebKit before Feb 2011 nightlies
3519                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
3520                         marginDiv = div.appendChild( document.createElement("div") );
3521                         marginDiv.style.cssText = div.style.cssText = divReset;
3522                         marginDiv.style.marginRight = marginDiv.style.width = "0";
3523                         div.style.width = "1px";
3525                         support.reliableMarginRight =
3526                                 !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
3527                 }
3529                 if ( typeof div.style.zoom !== core_strundefined ) {
3530                         // Support: IE<8
3531                         // Check if natively block-level elements act like inline-block
3532                         // elements when setting their display to 'inline' and giving
3533                         // them layout
3534                         div.innerHTML = "";
3535                         div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
3536                         support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
3538                         // Support: IE6
3539                         // Check if elements with layout shrink-wrap their children
3540                         div.style.display = "block";
3541                         div.innerHTML = "<div></div>";
3542                         div.firstChild.style.width = "5px";
3543                         support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
3545                         if ( support.inlineBlockNeedsLayout ) {
3546                                 // Prevent IE 6 from affecting layout for positioned elements #11048
3547                                 // Prevent IE from shrinking the body in IE 7 mode #12869
3548                                 // Support: IE<8
3549                                 body.style.zoom = 1;
3550                         }
3551                 }
3553                 body.removeChild( container );
3555                 // Null elements to avoid leaks in IE
3556                 container = div = tds = marginDiv = null;
3557         });
3559         // Null elements to avoid leaks in IE
3560         all = select = fragment = opt = a = input = null;
3562         return support;
3563 })({});
3565 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
3566         rmultiDash = /([A-Z])/g;
3568 function internalData( elem, name, data, pvt /* Internal Use Only */ ){
3569         if ( !jQuery.acceptData( elem ) ) {
3570                 return;
3571         }
3573         var ret, thisCache,
3574                 internalKey = jQuery.expando,
3576                 // We have to handle DOM nodes and JS objects differently because IE6-7
3577                 // can't GC object references properly across the DOM-JS boundary
3578                 isNode = elem.nodeType,
3580                 // Only DOM nodes need the global jQuery cache; JS object data is
3581                 // attached directly to the object so GC can occur automatically
3582                 cache = isNode ? jQuery.cache : elem,
3584                 // Only defining an ID for JS objects if its cache already exists allows
3585                 // the code to shortcut on the same path as a DOM node with no cache
3586                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3588         // Avoid doing any more work than we need to when trying to get data on an
3589         // object that has no data at all
3590         if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3591                 return;
3592         }
3594         if ( !id ) {
3595                 // Only DOM nodes need a new unique ID for each element since their data
3596                 // ends up in the global cache
3597                 if ( isNode ) {
3598                         id = elem[ internalKey ] = core_deletedIds.pop() || jQuery.guid++;
3599                 } else {
3600                         id = internalKey;
3601                 }
3602         }
3604         if ( !cache[ id ] ) {
3605                 // Avoid exposing jQuery metadata on plain JS objects when the object
3606                 // is serialized using JSON.stringify
3607                 cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3608         }
3610         // An object can be passed to jQuery.data instead of a key/value pair; this gets
3611         // shallow copied over onto the existing cache
3612         if ( typeof name === "object" || typeof name === "function" ) {
3613                 if ( pvt ) {
3614                         cache[ id ] = jQuery.extend( cache[ id ], name );
3615                 } else {
3616                         cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3617                 }
3618         }
3620         thisCache = cache[ id ];
3622         // jQuery data() is stored in a separate object inside the object's internal data
3623         // cache in order to avoid key collisions between internal data and user-defined
3624         // data.
3625         if ( !pvt ) {
3626                 if ( !thisCache.data ) {
3627                         thisCache.data = {};
3628                 }
3630                 thisCache = thisCache.data;
3631         }
3633         if ( data !== undefined ) {
3634                 thisCache[ jQuery.camelCase( name ) ] = data;
3635         }
3637         // Check for both converted-to-camel and non-converted data property names
3638         // If a data property was specified
3639         if ( typeof name === "string" ) {
3641                 // First Try to find as-is property data
3642                 ret = thisCache[ name ];
3644                 // Test for null|undefined property data
3645                 if ( ret == null ) {
3647                         // Try to find the camelCased property
3648                         ret = thisCache[ jQuery.camelCase( name ) ];
3649                 }
3650         } else {
3651                 ret = thisCache;
3652         }
3654         return ret;
3657 function internalRemoveData( elem, name, pvt ) {
3658         if ( !jQuery.acceptData( elem ) ) {
3659                 return;
3660         }
3662         var thisCache, i,
3663                 isNode = elem.nodeType,
3665                 // See jQuery.data for more information
3666                 cache = isNode ? jQuery.cache : elem,
3667                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3669         // If there is already no cache entry for this object, there is no
3670         // purpose in continuing
3671         if ( !cache[ id ] ) {
3672                 return;
3673         }
3675         if ( name ) {
3677                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
3679                 if ( thisCache ) {
3681                         // Support array or space separated string names for data keys
3682                         if ( !jQuery.isArray( name ) ) {
3684                                 // try the string as a key before any manipulation
3685                                 if ( name in thisCache ) {
3686                                         name = [ name ];
3687                                 } else {
3689                                         // split the camel cased version by spaces unless a key with the spaces exists
3690                                         name = jQuery.camelCase( name );
3691                                         if ( name in thisCache ) {
3692                                                 name = [ name ];
3693                                         } else {
3694                                                 name = name.split(" ");
3695                                         }
3696                                 }
3697                         } else {
3698                                 // If "name" is an array of keys...
3699                                 // When data is initially created, via ("key", "val") signature,
3700                                 // keys will be converted to camelCase.
3701                                 // Since there is no way to tell _how_ a key was added, remove
3702                                 // both plain key and camelCase key. #12786
3703                                 // This will only penalize the array argument path.
3704                                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3705                         }
3707                         i = name.length;
3708                         while ( i-- ) {
3709                                 delete thisCache[ name[i] ];
3710                         }
3712                         // If there is no data left in the cache, we want to continue
3713                         // and let the cache object itself get destroyed
3714                         if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3715                                 return;
3716                         }
3717                 }
3718         }
3720         // See jQuery.data for more information
3721         if ( !pvt ) {
3722                 delete cache[ id ].data;
3724                 // Don't destroy the parent cache unless the internal data object
3725                 // had been the only thing left in it
3726                 if ( !isEmptyDataObject( cache[ id ] ) ) {
3727                         return;
3728                 }
3729         }
3731         // Destroy the cache
3732         if ( isNode ) {
3733                 jQuery.cleanData( [ elem ], true );
3735         // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3736         /* jshint eqeqeq: false */
3737         } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
3738                 /* jshint eqeqeq: true */
3739                 delete cache[ id ];
3741         // When all else fails, null
3742         } else {
3743                 cache[ id ] = null;
3744         }
3747 jQuery.extend({
3748         cache: {},
3750         // The following elements throw uncatchable exceptions if you
3751         // attempt to add expando properties to them.
3752         noData: {
3753                 "applet": true,
3754                 "embed": true,
3755                 // Ban all objects except for Flash (which handle expandos)
3756                 "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3757         },
3759         hasData: function( elem ) {
3760                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3761                 return !!elem && !isEmptyDataObject( elem );
3762         },
3764         data: function( elem, name, data ) {
3765                 return internalData( elem, name, data );
3766         },
3768         removeData: function( elem, name ) {
3769                 return internalRemoveData( elem, name );
3770         },
3772         // For internal use only.
3773         _data: function( elem, name, data ) {
3774                 return internalData( elem, name, data, true );
3775         },
3777         _removeData: function( elem, name ) {
3778                 return internalRemoveData( elem, name, true );
3779         },
3781         // A method for determining if a DOM node can handle the data expando
3782         acceptData: function( elem ) {
3783                 // Do not set data on non-element because it will not be cleared (#8335).
3784                 if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
3785                         return false;
3786                 }
3788                 var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
3790                 // nodes accept data unless otherwise specified; rejection can be conditional
3791                 return !noData || noData !== true && elem.getAttribute("classid") === noData;
3792         }
3795 jQuery.fn.extend({
3796         data: function( key, value ) {
3797                 var attrs, name,
3798                         data = null,
3799                         i = 0,
3800                         elem = this[0];
3802                 // Special expections of .data basically thwart jQuery.access,
3803                 // so implement the relevant behavior ourselves
3805                 // Gets all values
3806                 if ( key === undefined ) {
3807                         if ( this.length ) {
3808                                 data = jQuery.data( elem );
3810                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3811                                         attrs = elem.attributes;
3812                                         for ( ; i < attrs.length; i++ ) {
3813                                                 name = attrs[i].name;
3815                                                 if ( name.indexOf("data-") === 0 ) {
3816                                                         name = jQuery.camelCase( name.slice(5) );
3818                                                         dataAttr( elem, name, data[ name ] );
3819                                                 }
3820                                         }
3821                                         jQuery._data( elem, "parsedAttrs", true );
3822                                 }
3823                         }
3825                         return data;
3826                 }
3828                 // Sets multiple values
3829                 if ( typeof key === "object" ) {
3830                         return this.each(function() {
3831                                 jQuery.data( this, key );
3832                         });
3833                 }
3835                 return arguments.length > 1 ?
3837                         // Sets one value
3838                         this.each(function() {
3839                                 jQuery.data( this, key, value );
3840                         }) :
3842                         // Gets one value
3843                         // Try to fetch any internally stored data first
3844                         elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
3845         },
3847         removeData: function( key ) {
3848                 return this.each(function() {
3849                         jQuery.removeData( this, key );
3850                 });
3851         }
3854 function dataAttr( elem, key, data ) {
3855         // If nothing was found internally, try to fetch any
3856         // data from the HTML5 data-* attribute
3857         if ( data === undefined && elem.nodeType === 1 ) {
3859                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3861                 data = elem.getAttribute( name );
3863                 if ( typeof data === "string" ) {
3864                         try {
3865                                 data = data === "true" ? true :
3866                                         data === "false" ? false :
3867                                         data === "null" ? null :
3868                                         // Only convert to a number if it doesn't change the string
3869                                         +data + "" === data ? +data :
3870                                         rbrace.test( data ) ? jQuery.parseJSON( data ) :
3871                                                 data;
3872                         } catch( e ) {}
3874                         // Make sure we set the data so it isn't changed later
3875                         jQuery.data( elem, key, data );
3877                 } else {
3878                         data = undefined;
3879                 }
3880         }
3882         return data;
3885 // checks a cache object for emptiness
3886 function isEmptyDataObject( obj ) {
3887         var name;
3888         for ( name in obj ) {
3890                 // if the public data object is empty, the private is still empty
3891                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3892                         continue;
3893                 }
3894                 if ( name !== "toJSON" ) {
3895                         return false;
3896                 }
3897         }
3899         return true;
3901 jQuery.extend({
3902         queue: function( elem, type, data ) {
3903                 var queue;
3905                 if ( elem ) {
3906                         type = ( type || "fx" ) + "queue";
3907                         queue = jQuery._data( elem, type );
3909                         // Speed up dequeue by getting out quickly if this is just a lookup
3910                         if ( data ) {
3911                                 if ( !queue || jQuery.isArray(data) ) {
3912                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3913                                 } else {
3914                                         queue.push( data );
3915                                 }
3916                         }
3917                         return queue || [];
3918                 }
3919         },
3921         dequeue: function( elem, type ) {
3922                 type = type || "fx";
3924                 var queue = jQuery.queue( elem, type ),
3925                         startLength = queue.length,
3926                         fn = queue.shift(),
3927                         hooks = jQuery._queueHooks( elem, type ),
3928                         next = function() {
3929                                 jQuery.dequeue( elem, type );
3930                         };
3932                 // If the fx queue is dequeued, always remove the progress sentinel
3933                 if ( fn === "inprogress" ) {
3934                         fn = queue.shift();
3935                         startLength--;
3936                 }
3938                 if ( fn ) {
3940                         // Add a progress sentinel to prevent the fx queue from being
3941                         // automatically dequeued
3942                         if ( type === "fx" ) {
3943                                 queue.unshift( "inprogress" );
3944                         }
3946                         // clear up the last queue stop function
3947                         delete hooks.stop;
3948                         fn.call( elem, next, hooks );
3949                 }
3951                 if ( !startLength && hooks ) {
3952                         hooks.empty.fire();
3953                 }
3954         },
3956         // not intended for public consumption - generates a queueHooks object, or returns the current one
3957         _queueHooks: function( elem, type ) {
3958                 var key = type + "queueHooks";
3959                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
3960                         empty: jQuery.Callbacks("once memory").add(function() {
3961                                 jQuery._removeData( elem, type + "queue" );
3962                                 jQuery._removeData( elem, key );
3963                         })
3964                 });
3965         }
3968 jQuery.fn.extend({
3969         queue: function( type, data ) {
3970                 var setter = 2;
3972                 if ( typeof type !== "string" ) {
3973                         data = type;
3974                         type = "fx";
3975                         setter--;
3976                 }
3978                 if ( arguments.length < setter ) {
3979                         return jQuery.queue( this[0], type );
3980                 }
3982                 return data === undefined ?
3983                         this :
3984                         this.each(function() {
3985                                 var queue = jQuery.queue( this, type, data );
3987                                 // ensure a hooks for this queue
3988                                 jQuery._queueHooks( this, type );
3990                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
3991                                         jQuery.dequeue( this, type );
3992                                 }
3993                         });
3994         },
3995         dequeue: function( type ) {
3996                 return this.each(function() {
3997                         jQuery.dequeue( this, type );
3998                 });
3999         },
4000         // Based off of the plugin by Clint Helfers, with permission.
4001         // http://blindsignals.com/index.php/2009/07/jquery-delay/
4002         delay: function( time, type ) {
4003                 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
4004                 type = type || "fx";
4006                 return this.queue( type, function( next, hooks ) {
4007                         var timeout = setTimeout( next, time );
4008                         hooks.stop = function() {
4009                                 clearTimeout( timeout );
4010                         };
4011                 });
4012         },
4013         clearQueue: function( type ) {
4014                 return this.queue( type || "fx", [] );
4015         },
4016         // Get a promise resolved when queues of a certain type
4017         // are emptied (fx is the type by default)
4018         promise: function( type, obj ) {
4019                 var tmp,
4020                         count = 1,
4021                         defer = jQuery.Deferred(),
4022                         elements = this,
4023                         i = this.length,
4024                         resolve = function() {
4025                                 if ( !( --count ) ) {
4026                                         defer.resolveWith( elements, [ elements ] );
4027                                 }
4028                         };
4030                 if ( typeof type !== "string" ) {
4031                         obj = type;
4032                         type = undefined;
4033                 }
4034                 type = type || "fx";
4036                 while( i-- ) {
4037                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4038                         if ( tmp && tmp.empty ) {
4039                                 count++;
4040                                 tmp.empty.add( resolve );
4041                         }
4042                 }
4043                 resolve();
4044                 return defer.promise( obj );
4045         }
4047 var nodeHook, boolHook,
4048         rclass = /[\t\r\n\f]/g,
4049         rreturn = /\r/g,
4050         rfocusable = /^(?:input|select|textarea|button|object)$/i,
4051         rclickable = /^(?:a|area)$/i,
4052         ruseDefault = /^(?:checked|selected)$/i,
4053         getSetAttribute = jQuery.support.getSetAttribute,
4054         getSetInput = jQuery.support.input;
4056 jQuery.fn.extend({
4057         attr: function( name, value ) {
4058                 return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
4059         },
4061         removeAttr: function( name ) {
4062                 return this.each(function() {
4063                         jQuery.removeAttr( this, name );
4064                 });
4065         },
4067         prop: function( name, value ) {
4068                 return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
4069         },
4071         removeProp: function( name ) {
4072                 name = jQuery.propFix[ name ] || name;
4073                 return this.each(function() {
4074                         // try/catch handles cases where IE balks (such as removing a property on window)
4075                         try {
4076                                 this[ name ] = undefined;
4077                                 delete this[ name ];
4078                         } catch( e ) {}
4079                 });
4080         },
4082         addClass: function( value ) {
4083                 var classes, elem, cur, clazz, j,
4084                         i = 0,
4085                         len = this.length,
4086                         proceed = typeof value === "string" && value;
4088                 if ( jQuery.isFunction( value ) ) {
4089                         return this.each(function( j ) {
4090                                 jQuery( this ).addClass( value.call( this, j, this.className ) );
4091                         });
4092                 }
4094                 if ( proceed ) {
4095                         // The disjunction here is for better compressibility (see removeClass)
4096                         classes = ( value || "" ).match( core_rnotwhite ) || [];
4098                         for ( ; i < len; i++ ) {
4099                                 elem = this[ i ];
4100                                 cur = elem.nodeType === 1 && ( elem.className ?
4101                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
4102                                         " "
4103                                 );
4105                                 if ( cur ) {
4106                                         j = 0;
4107                                         while ( (clazz = classes[j++]) ) {
4108                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
4109                                                         cur += clazz + " ";
4110                                                 }
4111                                         }
4112                                         elem.className = jQuery.trim( cur );
4114                                 }
4115                         }
4116                 }
4118                 return this;
4119         },
4121         removeClass: function( value ) {
4122                 var classes, elem, cur, clazz, j,
4123                         i = 0,
4124                         len = this.length,
4125                         proceed = arguments.length === 0 || typeof value === "string" && value;
4127                 if ( jQuery.isFunction( value ) ) {
4128                         return this.each(function( j ) {
4129                                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
4130                         });
4131                 }
4132                 if ( proceed ) {
4133                         classes = ( value || "" ).match( core_rnotwhite ) || [];
4135                         for ( ; i < len; i++ ) {
4136                                 elem = this[ i ];
4137                                 // This expression is here for better compressibility (see addClass)
4138                                 cur = elem.nodeType === 1 && ( elem.className ?
4139                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
4140                                         ""
4141                                 );
4143                                 if ( cur ) {
4144                                         j = 0;
4145                                         while ( (clazz = classes[j++]) ) {
4146                                                 // Remove *all* instances
4147                                                 while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
4148                                                         cur = cur.replace( " " + clazz + " ", " " );
4149                                                 }
4150                                         }
4151                                         elem.className = value ? jQuery.trim( cur ) : "";
4152                                 }
4153                         }
4154                 }
4156                 return this;
4157         },
4159         toggleClass: function( value, stateVal ) {
4160                 var type = typeof value;
4162                 if ( typeof stateVal === "boolean" && type === "string" ) {
4163                         return stateVal ? this.addClass( value ) : this.removeClass( value );
4164                 }
4166                 if ( jQuery.isFunction( value ) ) {
4167                         return this.each(function( i ) {
4168                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
4169                         });
4170                 }
4172                 return this.each(function() {
4173                         if ( type === "string" ) {
4174                                 // toggle individual class names
4175                                 var className,
4176                                         i = 0,
4177                                         self = jQuery( this ),
4178                                         classNames = value.match( core_rnotwhite ) || [];
4180                                 while ( (className = classNames[ i++ ]) ) {
4181                                         // check each className given, space separated list
4182                                         if ( self.hasClass( className ) ) {
4183                                                 self.removeClass( className );
4184                                         } else {
4185                                                 self.addClass( className );
4186                                         }
4187                                 }
4189                         // Toggle whole class name
4190                         } else if ( type === core_strundefined || type === "boolean" ) {
4191                                 if ( this.className ) {
4192                                         // store className if set
4193                                         jQuery._data( this, "__className__", this.className );
4194                                 }
4196                                 // If the element has a class name or if we're passed "false",
4197                                 // then remove the whole classname (if there was one, the above saved it).
4198                                 // Otherwise bring back whatever was previously saved (if anything),
4199                                 // falling back to the empty string if nothing was stored.
4200                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
4201                         }
4202                 });
4203         },
4205         hasClass: function( selector ) {
4206                 var className = " " + selector + " ",
4207                         i = 0,
4208                         l = this.length;
4209                 for ( ; i < l; i++ ) {
4210                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
4211                                 return true;
4212                         }
4213                 }
4215                 return false;
4216         },
4218         val: function( value ) {
4219                 var ret, hooks, isFunction,
4220                         elem = this[0];
4222                 if ( !arguments.length ) {
4223                         if ( elem ) {
4224                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
4226                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
4227                                         return ret;
4228                                 }
4230                                 ret = elem.value;
4232                                 return typeof ret === "string" ?
4233                                         // handle most common string cases
4234                                         ret.replace(rreturn, "") :
4235                                         // handle cases where value is null/undef or number
4236                                         ret == null ? "" : ret;
4237                         }
4239                         return;
4240                 }
4242                 isFunction = jQuery.isFunction( value );
4244                 return this.each(function( i ) {
4245                         var val;
4247                         if ( this.nodeType !== 1 ) {
4248                                 return;
4249                         }
4251                         if ( isFunction ) {
4252                                 val = value.call( this, i, jQuery( this ).val() );
4253                         } else {
4254                                 val = value;
4255                         }
4257                         // Treat null/undefined as ""; convert numbers to string
4258                         if ( val == null ) {
4259                                 val = "";
4260                         } else if ( typeof val === "number" ) {
4261                                 val += "";
4262                         } else if ( jQuery.isArray( val ) ) {
4263                                 val = jQuery.map(val, function ( value ) {
4264                                         return value == null ? "" : value + "";
4265                                 });
4266                         }
4268                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
4270                         // If set returns undefined, fall back to normal setting
4271                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
4272                                 this.value = val;
4273                         }
4274                 });
4275         }
4278 jQuery.extend({
4279         valHooks: {
4280                 option: {
4281                         get: function( elem ) {
4282                                 // Use proper attribute retrieval(#6932, #12072)
4283                                 var val = jQuery.find.attr( elem, "value" );
4284                                 return val != null ?
4285                                         val :
4286                                         elem.text;
4287                         }
4288                 },
4289                 select: {
4290                         get: function( elem ) {
4291                                 var value, option,
4292                                         options = elem.options,
4293                                         index = elem.selectedIndex,
4294                                         one = elem.type === "select-one" || index < 0,
4295                                         values = one ? null : [],
4296                                         max = one ? index + 1 : options.length,
4297                                         i = index < 0 ?
4298                                                 max :
4299                                                 one ? index : 0;
4301                                 // Loop through all the selected options
4302                                 for ( ; i < max; i++ ) {
4303                                         option = options[ i ];
4305                                         // oldIE doesn't update selected after form reset (#2551)
4306                                         if ( ( option.selected || i === index ) &&
4307                                                         // Don't return options that are disabled or in a disabled optgroup
4308                                                         ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
4309                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
4311                                                 // Get the specific value for the option
4312                                                 value = jQuery( option ).val();
4314                                                 // We don't need an array for one selects
4315                                                 if ( one ) {
4316                                                         return value;
4317                                                 }
4319                                                 // Multi-Selects return an array
4320                                                 values.push( value );
4321                                         }
4322                                 }
4324                                 return values;
4325                         },
4327                         set: function( elem, value ) {
4328                                 var optionSet, option,
4329                                         options = elem.options,
4330                                         values = jQuery.makeArray( value ),
4331                                         i = options.length;
4333                                 while ( i-- ) {
4334                                         option = options[ i ];
4335                                         if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
4336                                                 optionSet = true;
4337                                         }
4338                                 }
4340                                 // force browsers to behave consistently when non-matching value is set
4341                                 if ( !optionSet ) {
4342                                         elem.selectedIndex = -1;
4343                                 }
4344                                 return values;
4345                         }
4346                 }
4347         },
4349         attr: function( elem, name, value ) {
4350                 var hooks, ret,
4351                         nType = elem.nodeType;
4353                 // don't get/set attributes on text, comment and attribute nodes
4354                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4355                         return;
4356                 }
4358                 // Fallback to prop when attributes are not supported
4359                 if ( typeof elem.getAttribute === core_strundefined ) {
4360                         return jQuery.prop( elem, name, value );
4361                 }
4363                 // All attributes are lowercase
4364                 // Grab necessary hook if one is defined
4365                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
4366                         name = name.toLowerCase();
4367                         hooks = jQuery.attrHooks[ name ] ||
4368                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
4369                 }
4371                 if ( value !== undefined ) {
4373                         if ( value === null ) {
4374                                 jQuery.removeAttr( elem, name );
4376                         } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
4377                                 return ret;
4379                         } else {
4380                                 elem.setAttribute( name, value + "" );
4381                                 return value;
4382                         }
4384                 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
4385                         return ret;
4387                 } else {
4388                         ret = jQuery.find.attr( elem, name );
4390                         // Non-existent attributes return null, we normalize to undefined
4391                         return ret == null ?
4392                                 undefined :
4393                                 ret;
4394                 }
4395         },
4397         removeAttr: function( elem, value ) {
4398                 var name, propName,
4399                         i = 0,
4400                         attrNames = value && value.match( core_rnotwhite );
4402                 if ( attrNames && elem.nodeType === 1 ) {
4403                         while ( (name = attrNames[i++]) ) {
4404                                 propName = jQuery.propFix[ name ] || name;
4406                                 // Boolean attributes get special treatment (#10870)
4407                                 if ( jQuery.expr.match.bool.test( name ) ) {
4408                                         // Set corresponding property to false
4409                                         if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4410                                                 elem[ propName ] = false;
4411                                         // Support: IE<9
4412                                         // Also clear defaultChecked/defaultSelected (if appropriate)
4413                                         } else {
4414                                                 elem[ jQuery.camelCase( "default-" + name ) ] =
4415                                                         elem[ propName ] = false;
4416                                         }
4418                                 // See #9699 for explanation of this approach (setting first, then removal)
4419                                 } else {
4420                                         jQuery.attr( elem, name, "" );
4421                                 }
4423                                 elem.removeAttribute( getSetAttribute ? name : propName );
4424                         }
4425                 }
4426         },
4428         attrHooks: {
4429                 type: {
4430                         set: function( elem, value ) {
4431                                 if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
4432                                         // Setting the type on a radio button after the value resets the value in IE6-9
4433                                         // Reset value to default in case type is set after value during creation
4434                                         var val = elem.value;
4435                                         elem.setAttribute( "type", value );
4436                                         if ( val ) {
4437                                                 elem.value = val;
4438                                         }
4439                                         return value;
4440                                 }
4441                         }
4442                 }
4443         },
4445         propFix: {
4446                 "for": "htmlFor",
4447                 "class": "className"
4448         },
4450         prop: function( elem, name, value ) {
4451                 var ret, hooks, notxml,
4452                         nType = elem.nodeType;
4454                 // don't get/set properties on text, comment and attribute nodes
4455                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4456                         return;
4457                 }
4459                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
4461                 if ( notxml ) {
4462                         // Fix name and attach hooks
4463                         name = jQuery.propFix[ name ] || name;
4464                         hooks = jQuery.propHooks[ name ];
4465                 }
4467                 if ( value !== undefined ) {
4468                         return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
4469                                 ret :
4470                                 ( elem[ name ] = value );
4472                 } else {
4473                         return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
4474                                 ret :
4475                                 elem[ name ];
4476                 }
4477         },
4479         propHooks: {
4480                 tabIndex: {
4481                         get: function( elem ) {
4482                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
4483                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
4484                                 // Use proper attribute retrieval(#12072)
4485                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
4487                                 return tabindex ?
4488                                         parseInt( tabindex, 10 ) :
4489                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
4490                                                 0 :
4491                                                 -1;
4492                         }
4493                 }
4494         }
4497 // Hooks for boolean attributes
4498 boolHook = {
4499         set: function( elem, value, name ) {
4500                 if ( value === false ) {
4501                         // Remove boolean attributes when set to false
4502                         jQuery.removeAttr( elem, name );
4503                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4504                         // IE<8 needs the *property* name
4505                         elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
4507                 // Use defaultChecked and defaultSelected for oldIE
4508                 } else {
4509                         elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
4510                 }
4512                 return name;
4513         }
4515 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
4516         var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;
4518         jQuery.expr.attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
4519                 function( elem, name, isXML ) {
4520                         var fn = jQuery.expr.attrHandle[ name ],
4521                                 ret = isXML ?
4522                                         undefined :
4523                                         /* jshint eqeqeq: false */
4524                                         (jQuery.expr.attrHandle[ name ] = undefined) !=
4525                                                 getter( elem, name, isXML ) ?
4527                                                 name.toLowerCase() :
4528                                                 null;
4529                         jQuery.expr.attrHandle[ name ] = fn;
4530                         return ret;
4531                 } :
4532                 function( elem, name, isXML ) {
4533                         return isXML ?
4534                                 undefined :
4535                                 elem[ jQuery.camelCase( "default-" + name ) ] ?
4536                                         name.toLowerCase() :
4537                                         null;
4538                 };
4541 // fix oldIE attroperties
4542 if ( !getSetInput || !getSetAttribute ) {
4543         jQuery.attrHooks.value = {
4544                 set: function( elem, value, name ) {
4545                         if ( jQuery.nodeName( elem, "input" ) ) {
4546                                 // Does not return so that setAttribute is also used
4547                                 elem.defaultValue = value;
4548                         } else {
4549                                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
4550                                 return nodeHook && nodeHook.set( elem, value, name );
4551                         }
4552                 }
4553         };
4556 // IE6/7 do not support getting/setting some attributes with get/setAttribute
4557 if ( !getSetAttribute ) {
4559         // Use this for any attribute in IE6/7
4560         // This fixes almost every IE6/7 issue
4561         nodeHook = {
4562                 set: function( elem, value, name ) {
4563                         // Set the existing or create a new attribute node
4564                         var ret = elem.getAttributeNode( name );
4565                         if ( !ret ) {
4566                                 elem.setAttributeNode(
4567                                         (ret = elem.ownerDocument.createAttribute( name ))
4568                                 );
4569                         }
4571                         ret.value = value += "";
4573                         // Break association with cloned elements by also using setAttribute (#9646)
4574                         return name === "value" || value === elem.getAttribute( name ) ?
4575                                 value :
4576                                 undefined;
4577                 }
4578         };
4579         jQuery.expr.attrHandle.id = jQuery.expr.attrHandle.name = jQuery.expr.attrHandle.coords =
4580                 // Some attributes are constructed with empty-string values when not defined
4581                 function( elem, name, isXML ) {
4582                         var ret;
4583                         return isXML ?
4584                                 undefined :
4585                                 (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
4586                                         ret.value :
4587                                         null;
4588                 };
4589         jQuery.valHooks.button = {
4590                 get: function( elem, name ) {
4591                         var ret = elem.getAttributeNode( name );
4592                         return ret && ret.specified ?
4593                                 ret.value :
4594                                 undefined;
4595                 },
4596                 set: nodeHook.set
4597         };
4599         // Set contenteditable to false on removals(#10429)
4600         // Setting to empty string throws an error as an invalid value
4601         jQuery.attrHooks.contenteditable = {
4602                 set: function( elem, value, name ) {
4603                         nodeHook.set( elem, value === "" ? false : value, name );
4604                 }
4605         };
4607         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
4608         // This is for removals
4609         jQuery.each([ "width", "height" ], function( i, name ) {
4610                 jQuery.attrHooks[ name ] = {
4611                         set: function( elem, value ) {
4612                                 if ( value === "" ) {
4613                                         elem.setAttribute( name, "auto" );
4614                                         return value;
4615                                 }
4616                         }
4617                 };
4618         });
4622 // Some attributes require a special call on IE
4623 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
4624 if ( !jQuery.support.hrefNormalized ) {
4625         // href/src property should get the full normalized URL (#10299/#12915)
4626         jQuery.each([ "href", "src" ], function( i, name ) {
4627                 jQuery.propHooks[ name ] = {
4628                         get: function( elem ) {
4629                                 return elem.getAttribute( name, 4 );
4630                         }
4631                 };
4632         });
4635 if ( !jQuery.support.style ) {
4636         jQuery.attrHooks.style = {
4637                 get: function( elem ) {
4638                         // Return undefined in the case of empty string
4639                         // Note: IE uppercases css property names, but if we were to .toLowerCase()
4640                         // .cssText, that would destroy case senstitivity in URL's, like in "background"
4641                         return elem.style.cssText || undefined;
4642                 },
4643                 set: function( elem, value ) {
4644                         return ( elem.style.cssText = value + "" );
4645                 }
4646         };
4649 // Safari mis-reports the default selected property of an option
4650 // Accessing the parent's selectedIndex property fixes it
4651 if ( !jQuery.support.optSelected ) {
4652         jQuery.propHooks.selected = {
4653                 get: function( elem ) {
4654                         var parent = elem.parentNode;
4656                         if ( parent ) {
4657                                 parent.selectedIndex;
4659                                 // Make sure that it also works with optgroups, see #5701
4660                                 if ( parent.parentNode ) {
4661                                         parent.parentNode.selectedIndex;
4662                                 }
4663                         }
4664                         return null;
4665                 }
4666         };
4669 jQuery.each([
4670         "tabIndex",
4671         "readOnly",
4672         "maxLength",
4673         "cellSpacing",
4674         "cellPadding",
4675         "rowSpan",
4676         "colSpan",
4677         "useMap",
4678         "frameBorder",
4679         "contentEditable"
4680 ], function() {
4681         jQuery.propFix[ this.toLowerCase() ] = this;
4684 // IE6/7 call enctype encoding
4685 if ( !jQuery.support.enctype ) {
4686         jQuery.propFix.enctype = "encoding";
4689 // Radios and checkboxes getter/setter
4690 jQuery.each([ "radio", "checkbox" ], function() {
4691         jQuery.valHooks[ this ] = {
4692                 set: function( elem, value ) {
4693                         if ( jQuery.isArray( value ) ) {
4694                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
4695                         }
4696                 }
4697         };
4698         if ( !jQuery.support.checkOn ) {
4699                 jQuery.valHooks[ this ].get = function( elem ) {
4700                         // Support: Webkit
4701                         // "" is returned instead of "on" if a value isn't specified
4702                         return elem.getAttribute("value") === null ? "on" : elem.value;
4703                 };
4704         }
4706 var rformElems = /^(?:input|select|textarea)$/i,
4707         rkeyEvent = /^key/,
4708         rmouseEvent = /^(?:mouse|contextmenu)|click/,
4709         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4710         rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4712 function returnTrue() {
4713         return true;
4716 function returnFalse() {
4717         return false;
4720 function safeActiveElement() {
4721         try {
4722                 return document.activeElement;
4723         } catch ( err ) { }
4727  * Helper functions for managing events -- not part of the public interface.
4728  * Props to Dean Edwards' addEvent library for many of the ideas.
4729  */
4730 jQuery.event = {
4732         global: {},
4734         add: function( elem, types, handler, data, selector ) {
4735                 var tmp, events, t, handleObjIn,
4736                         special, eventHandle, handleObj,
4737                         handlers, type, namespaces, origType,
4738                         elemData = jQuery._data( elem );
4740                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4741                 if ( !elemData ) {
4742                         return;
4743                 }
4745                 // Caller can pass in an object of custom data in lieu of the handler
4746                 if ( handler.handler ) {
4747                         handleObjIn = handler;
4748                         handler = handleObjIn.handler;
4749                         selector = handleObjIn.selector;
4750                 }
4752                 // Make sure that the handler has a unique ID, used to find/remove it later
4753                 if ( !handler.guid ) {
4754                         handler.guid = jQuery.guid++;
4755                 }
4757                 // Init the element's event structure and main handler, if this is the first
4758                 if ( !(events = elemData.events) ) {
4759                         events = elemData.events = {};
4760                 }
4761                 if ( !(eventHandle = elemData.handle) ) {
4762                         eventHandle = elemData.handle = function( e ) {
4763                                 // Discard the second event of a jQuery.event.trigger() and
4764                                 // when an event is called after a page has unloaded
4765                                 return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
4766                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4767                                         undefined;
4768                         };
4769                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4770                         eventHandle.elem = elem;
4771                 }
4773                 // Handle multiple events separated by a space
4774                 types = ( types || "" ).match( core_rnotwhite ) || [""];
4775                 t = types.length;
4776                 while ( t-- ) {
4777                         tmp = rtypenamespace.exec( types[t] ) || [];
4778                         type = origType = tmp[1];
4779                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4781                         // There *must* be a type, no attaching namespace-only handlers
4782                         if ( !type ) {
4783                                 continue;
4784                         }
4786                         // If event changes its type, use the special event handlers for the changed type
4787                         special = jQuery.event.special[ type ] || {};
4789                         // If selector defined, determine special event api type, otherwise given type
4790                         type = ( selector ? special.delegateType : special.bindType ) || type;
4792                         // Update special based on newly reset type
4793                         special = jQuery.event.special[ type ] || {};
4795                         // handleObj is passed to all event handlers
4796                         handleObj = jQuery.extend({
4797                                 type: type,
4798                                 origType: origType,
4799                                 data: data,
4800                                 handler: handler,
4801                                 guid: handler.guid,
4802                                 selector: selector,
4803                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4804                                 namespace: namespaces.join(".")
4805                         }, handleObjIn );
4807                         // Init the event handler queue if we're the first
4808                         if ( !(handlers = events[ type ]) ) {
4809                                 handlers = events[ type ] = [];
4810                                 handlers.delegateCount = 0;
4812                                 // Only use addEventListener/attachEvent if the special events handler returns false
4813                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4814                                         // Bind the global event handler to the element
4815                                         if ( elem.addEventListener ) {
4816                                                 elem.addEventListener( type, eventHandle, false );
4818                                         } else if ( elem.attachEvent ) {
4819                                                 elem.attachEvent( "on" + type, eventHandle );
4820                                         }
4821                                 }
4822                         }
4824                         if ( special.add ) {
4825                                 special.add.call( elem, handleObj );
4827                                 if ( !handleObj.handler.guid ) {
4828                                         handleObj.handler.guid = handler.guid;
4829                                 }
4830                         }
4832                         // Add to the element's handler list, delegates in front
4833                         if ( selector ) {
4834                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4835                         } else {
4836                                 handlers.push( handleObj );
4837                         }
4839                         // Keep track of which events have ever been used, for event optimization
4840                         jQuery.event.global[ type ] = true;
4841                 }
4843                 // Nullify elem to prevent memory leaks in IE
4844                 elem = null;
4845         },
4847         // Detach an event or set of events from an element
4848         remove: function( elem, types, handler, selector, mappedTypes ) {
4849                 var j, handleObj, tmp,
4850                         origCount, t, events,
4851                         special, handlers, type,
4852                         namespaces, origType,
4853                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4855                 if ( !elemData || !(events = elemData.events) ) {
4856                         return;
4857                 }
4859                 // Once for each type.namespace in types; type may be omitted
4860                 types = ( types || "" ).match( core_rnotwhite ) || [""];
4861                 t = types.length;
4862                 while ( t-- ) {
4863                         tmp = rtypenamespace.exec( types[t] ) || [];
4864                         type = origType = tmp[1];
4865                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4867                         // Unbind all events (on this namespace, if provided) for the element
4868                         if ( !type ) {
4869                                 for ( type in events ) {
4870                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4871                                 }
4872                                 continue;
4873                         }
4875                         special = jQuery.event.special[ type ] || {};
4876                         type = ( selector ? special.delegateType : special.bindType ) || type;
4877                         handlers = events[ type ] || [];
4878                         tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4880                         // Remove matching events
4881                         origCount = j = handlers.length;
4882                         while ( j-- ) {
4883                                 handleObj = handlers[ j ];
4885                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4886                                         ( !handler || handler.guid === handleObj.guid ) &&
4887                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
4888                                         ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4889                                         handlers.splice( j, 1 );
4891                                         if ( handleObj.selector ) {
4892                                                 handlers.delegateCount--;
4893                                         }
4894                                         if ( special.remove ) {
4895                                                 special.remove.call( elem, handleObj );
4896                                         }
4897                                 }
4898                         }
4900                         // Remove generic event handler if we removed something and no more handlers exist
4901                         // (avoids potential for endless recursion during removal of special event handlers)
4902                         if ( origCount && !handlers.length ) {
4903                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4904                                         jQuery.removeEvent( elem, type, elemData.handle );
4905                                 }
4907                                 delete events[ type ];
4908                         }
4909                 }
4911                 // Remove the expando if it's no longer used
4912                 if ( jQuery.isEmptyObject( events ) ) {
4913                         delete elemData.handle;
4915                         // removeData also checks for emptiness and clears the expando if empty
4916                         // so use it instead of delete
4917                         jQuery._removeData( elem, "events" );
4918                 }
4919         },
4921         trigger: function( event, data, elem, onlyHandlers ) {
4922                 var handle, ontype, cur,
4923                         bubbleType, special, tmp, i,
4924                         eventPath = [ elem || document ],
4925                         type = core_hasOwn.call( event, "type" ) ? event.type : event,
4926                         namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4928                 cur = tmp = elem = elem || document;
4930                 // Don't do events on text and comment nodes
4931                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4932                         return;
4933                 }
4935                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
4936                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4937                         return;
4938                 }
4940                 if ( type.indexOf(".") >= 0 ) {
4941                         // Namespaced trigger; create a regexp to match event type in handle()
4942                         namespaces = type.split(".");
4943                         type = namespaces.shift();
4944                         namespaces.sort();
4945                 }
4946                 ontype = type.indexOf(":") < 0 && "on" + type;
4948                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
4949                 event = event[ jQuery.expando ] ?
4950                         event :
4951                         new jQuery.Event( type, typeof event === "object" && event );
4953                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4954                 event.isTrigger = onlyHandlers ? 2 : 3;
4955                 event.namespace = namespaces.join(".");
4956                 event.namespace_re = event.namespace ?
4957                         new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4958                         null;
4960                 // Clean up the event in case it is being reused
4961                 event.result = undefined;
4962                 if ( !event.target ) {
4963                         event.target = elem;
4964                 }
4966                 // Clone any incoming data and prepend the event, creating the handler arg list
4967                 data = data == null ?
4968                         [ event ] :
4969                         jQuery.makeArray( data, [ event ] );
4971                 // Allow special events to draw outside the lines
4972                 special = jQuery.event.special[ type ] || {};
4973                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4974                         return;
4975                 }
4977                 // Determine event propagation path in advance, per W3C events spec (#9951)
4978                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4979                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4981                         bubbleType = special.delegateType || type;
4982                         if ( !rfocusMorph.test( bubbleType + type ) ) {
4983                                 cur = cur.parentNode;
4984                         }
4985                         for ( ; cur; cur = cur.parentNode ) {
4986                                 eventPath.push( cur );
4987                                 tmp = cur;
4988                         }
4990                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
4991                         if ( tmp === (elem.ownerDocument || document) ) {
4992                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4993                         }
4994                 }
4996                 // Fire handlers on the event path
4997                 i = 0;
4998                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
5000                         event.type = i > 1 ?
5001                                 bubbleType :
5002                                 special.bindType || type;
5004                         // jQuery handler
5005                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
5006                         if ( handle ) {
5007                                 handle.apply( cur, data );
5008                         }
5010                         // Native handler
5011                         handle = ontype && cur[ ontype ];
5012                         if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
5013                                 event.preventDefault();
5014                         }
5015                 }
5016                 event.type = type;
5018                 // If nobody prevented the default action, do it now
5019                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
5021                         if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
5022                                 jQuery.acceptData( elem ) ) {
5024                                 // Call a native DOM method on the target with the same name name as the event.
5025                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
5026                                 // Don't do default actions on window, that's where global variables be (#6170)
5027                                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
5029                                         // Don't re-trigger an onFOO event when we call its FOO() method
5030                                         tmp = elem[ ontype ];
5032                                         if ( tmp ) {
5033                                                 elem[ ontype ] = null;
5034                                         }
5036                                         // Prevent re-triggering of the same event, since we already bubbled it above
5037                                         jQuery.event.triggered = type;
5038                                         try {
5039                                                 elem[ type ]();
5040                                         } catch ( e ) {
5041                                                 // IE<9 dies on focus/blur to hidden element (#1486,#12518)
5042                                                 // only reproducible on winXP IE8 native, not IE9 in IE8 mode
5043                                         }
5044                                         jQuery.event.triggered = undefined;
5046                                         if ( tmp ) {
5047                                                 elem[ ontype ] = tmp;
5048                                         }
5049                                 }
5050                         }
5051                 }
5053                 return event.result;
5054         },
5056         dispatch: function( event ) {
5058                 // Make a writable jQuery.Event from the native event object
5059                 event = jQuery.event.fix( event );
5061                 var i, ret, handleObj, matched, j,
5062                         handlerQueue = [],
5063                         args = core_slice.call( arguments ),
5064                         handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
5065                         special = jQuery.event.special[ event.type ] || {};
5067                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5068                 args[0] = event;
5069                 event.delegateTarget = this;
5071                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5072                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5073                         return;
5074                 }
5076                 // Determine handlers
5077                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5079                 // Run delegates first; they may want to stop propagation beneath us
5080                 i = 0;
5081                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
5082                         event.currentTarget = matched.elem;
5084                         j = 0;
5085                         while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
5087                                 // Triggered event must either 1) have no namespace, or
5088                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
5089                                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
5091                                         event.handleObj = handleObj;
5092                                         event.data = handleObj.data;
5094                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
5095                                                         .apply( matched.elem, args );
5097                                         if ( ret !== undefined ) {
5098                                                 if ( (event.result = ret) === false ) {
5099                                                         event.preventDefault();
5100                                                         event.stopPropagation();
5101                                                 }
5102                                         }
5103                                 }
5104                         }
5105                 }
5107                 // Call the postDispatch hook for the mapped type
5108                 if ( special.postDispatch ) {
5109                         special.postDispatch.call( this, event );
5110                 }
5112                 return event.result;
5113         },
5115         handlers: function( event, handlers ) {
5116                 var sel, handleObj, matches, i,
5117                         handlerQueue = [],
5118                         delegateCount = handlers.delegateCount,
5119                         cur = event.target;
5121                 // Find delegate handlers
5122                 // Black-hole SVG <use> instance trees (#13180)
5123                 // Avoid non-left-click bubbling in Firefox (#3861)
5124                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
5126                         /* jshint eqeqeq: false */
5127                         for ( ; cur != this; cur = cur.parentNode || this ) {
5128                                 /* jshint eqeqeq: true */
5130                                 // Don't check non-elements (#13208)
5131                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5132                                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
5133                                         matches = [];
5134                                         for ( i = 0; i < delegateCount; i++ ) {
5135                                                 handleObj = handlers[ i ];
5137                                                 // Don't conflict with Object.prototype properties (#13203)
5138                                                 sel = handleObj.selector + " ";
5140                                                 if ( matches[ sel ] === undefined ) {
5141                                                         matches[ sel ] = handleObj.needsContext ?
5142                                                                 jQuery( sel, this ).index( cur ) >= 0 :
5143                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5144                                                 }
5145                                                 if ( matches[ sel ] ) {
5146                                                         matches.push( handleObj );
5147                                                 }
5148                                         }
5149                                         if ( matches.length ) {
5150                                                 handlerQueue.push({ elem: cur, handlers: matches });
5151                                         }
5152                                 }
5153                         }
5154                 }
5156                 // Add the remaining (directly-bound) handlers
5157                 if ( delegateCount < handlers.length ) {
5158                         handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
5159                 }
5161                 return handlerQueue;
5162         },
5164         fix: function( event ) {
5165                 if ( event[ jQuery.expando ] ) {
5166                         return event;
5167                 }
5169                 // Create a writable copy of the event object and normalize some properties
5170                 var i, prop, copy,
5171                         type = event.type,
5172                         originalEvent = event,
5173                         fixHook = this.fixHooks[ type ];
5175                 if ( !fixHook ) {
5176                         this.fixHooks[ type ] = fixHook =
5177                                 rmouseEvent.test( type ) ? this.mouseHooks :
5178                                 rkeyEvent.test( type ) ? this.keyHooks :
5179                                 {};
5180                 }
5181                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
5183                 event = new jQuery.Event( originalEvent );
5185                 i = copy.length;
5186                 while ( i-- ) {
5187                         prop = copy[ i ];
5188                         event[ prop ] = originalEvent[ prop ];
5189                 }
5191                 // Support: IE<9
5192                 // Fix target property (#1925)
5193                 if ( !event.target ) {
5194                         event.target = originalEvent.srcElement || document;
5195                 }
5197                 // Support: Chrome 23+, Safari?
5198                 // Target should not be a text node (#504, #13143)
5199                 if ( event.target.nodeType === 3 ) {
5200                         event.target = event.target.parentNode;
5201                 }
5203                 // Support: IE<9
5204                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
5205                 event.metaKey = !!event.metaKey;
5207                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
5208         },
5210         // Includes some event props shared by KeyEvent and MouseEvent
5211         props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
5213         fixHooks: {},
5215         keyHooks: {
5216                 props: "char charCode key keyCode".split(" "),
5217                 filter: function( event, original ) {
5219                         // Add which for key events
5220                         if ( event.which == null ) {
5221                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
5222                         }
5224                         return event;
5225                 }
5226         },
5228         mouseHooks: {
5229                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
5230                 filter: function( event, original ) {
5231                         var body, eventDoc, doc,
5232                                 button = original.button,
5233                                 fromElement = original.fromElement;
5235                         // Calculate pageX/Y if missing and clientX/Y available
5236                         if ( event.pageX == null && original.clientX != null ) {
5237                                 eventDoc = event.target.ownerDocument || document;
5238                                 doc = eventDoc.documentElement;
5239                                 body = eventDoc.body;
5241                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
5242                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
5243                         }
5245                         // Add relatedTarget, if necessary
5246                         if ( !event.relatedTarget && fromElement ) {
5247                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
5248                         }
5250                         // Add which for click: 1 === left; 2 === middle; 3 === right
5251                         // Note: button is not normalized, so don't use it
5252                         if ( !event.which && button !== undefined ) {
5253                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
5254                         }
5256                         return event;
5257                 }
5258         },
5260         special: {
5261                 load: {
5262                         // Prevent triggered image.load events from bubbling to window.load
5263                         noBubble: true
5264                 },
5265                 focus: {
5266                         // Fire native event if possible so blur/focus sequence is correct
5267                         trigger: function() {
5268                                 if ( this !== safeActiveElement() && this.focus ) {
5269                                         try {
5270                                                 this.focus();
5271                                                 return false;
5272                                         } catch ( e ) {
5273                                                 // Support: IE<9
5274                                                 // If we error on focus to hidden element (#1486, #12518),
5275                                                 // let .trigger() run the handlers
5276                                         }
5277                                 }
5278                         },
5279                         delegateType: "focusin"
5280                 },
5281                 blur: {
5282                         trigger: function() {
5283                                 if ( this === safeActiveElement() && this.blur ) {
5284                                         this.blur();
5285                                         return false;
5286                                 }
5287                         },
5288                         delegateType: "focusout"
5289                 },
5290                 click: {
5291                         // For checkbox, fire native event so checked state will be right
5292                         trigger: function() {
5293                                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
5294                                         this.click();
5295                                         return false;
5296                                 }
5297                         },
5299                         // For cross-browser consistency, don't fire native .click() on links
5300                         _default: function( event ) {
5301                                 return jQuery.nodeName( event.target, "a" );
5302                         }
5303                 },
5305                 beforeunload: {
5306                         postDispatch: function( event ) {
5308                                 // Even when returnValue equals to undefined Firefox will still show alert
5309                                 if ( event.result !== undefined ) {
5310                                         event.originalEvent.returnValue = event.result;
5311                                 }
5312                         }
5313                 }
5314         },
5316         simulate: function( type, elem, event, bubble ) {
5317                 // Piggyback on a donor event to simulate a different one.
5318                 // Fake originalEvent to avoid donor's stopPropagation, but if the
5319                 // simulated event prevents default then we do the same on the donor.
5320                 var e = jQuery.extend(
5321                         new jQuery.Event(),
5322                         event,
5323                         {
5324                                 type: type,
5325                                 isSimulated: true,
5326                                 originalEvent: {}
5327                         }
5328                 );
5329                 if ( bubble ) {
5330                         jQuery.event.trigger( e, null, elem );
5331                 } else {
5332                         jQuery.event.dispatch.call( elem, e );
5333                 }
5334                 if ( e.isDefaultPrevented() ) {
5335                         event.preventDefault();
5336                 }
5337         }
5340 jQuery.removeEvent = document.removeEventListener ?
5341         function( elem, type, handle ) {
5342                 if ( elem.removeEventListener ) {
5343                         elem.removeEventListener( type, handle, false );
5344                 }
5345         } :
5346         function( elem, type, handle ) {
5347                 var name = "on" + type;
5349                 if ( elem.detachEvent ) {
5351                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
5352                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
5353                         if ( typeof elem[ name ] === core_strundefined ) {
5354                                 elem[ name ] = null;
5355                         }
5357                         elem.detachEvent( name, handle );
5358                 }
5359         };
5361 jQuery.Event = function( src, props ) {
5362         // Allow instantiation without the 'new' keyword
5363         if ( !(this instanceof jQuery.Event) ) {
5364                 return new jQuery.Event( src, props );
5365         }
5367         // Event object
5368         if ( src && src.type ) {
5369                 this.originalEvent = src;
5370                 this.type = src.type;
5372                 // Events bubbling up the document may have been marked as prevented
5373                 // by a handler lower down the tree; reflect the correct value.
5374                 this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
5375                         src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
5377         // Event type
5378         } else {
5379                 this.type = src;
5380         }
5382         // Put explicitly provided properties onto the event object
5383         if ( props ) {
5384                 jQuery.extend( this, props );
5385         }
5387         // Create a timestamp if incoming event doesn't have one
5388         this.timeStamp = src && src.timeStamp || jQuery.now();
5390         // Mark it as fixed
5391         this[ jQuery.expando ] = true;
5394 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5395 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5396 jQuery.Event.prototype = {
5397         isDefaultPrevented: returnFalse,
5398         isPropagationStopped: returnFalse,
5399         isImmediatePropagationStopped: returnFalse,
5401         preventDefault: function() {
5402                 var e = this.originalEvent;
5404                 this.isDefaultPrevented = returnTrue;
5405                 if ( !e ) {
5406                         return;
5407                 }
5409                 // If preventDefault exists, run it on the original event
5410                 if ( e.preventDefault ) {
5411                         e.preventDefault();
5413                 // Support: IE
5414                 // Otherwise set the returnValue property of the original event to false
5415                 } else {
5416                         e.returnValue = false;
5417                 }
5418         },
5419         stopPropagation: function() {
5420                 var e = this.originalEvent;
5422                 this.isPropagationStopped = returnTrue;
5423                 if ( !e ) {
5424                         return;
5425                 }
5426                 // If stopPropagation exists, run it on the original event
5427                 if ( e.stopPropagation ) {
5428                         e.stopPropagation();
5429                 }
5431                 // Support: IE
5432                 // Set the cancelBubble property of the original event to true
5433                 e.cancelBubble = true;
5434         },
5435         stopImmediatePropagation: function() {
5436                 this.isImmediatePropagationStopped = returnTrue;
5437                 this.stopPropagation();
5438         }
5441 // Create mouseenter/leave events using mouseover/out and event-time checks
5442 jQuery.each({
5443         mouseenter: "mouseover",
5444         mouseleave: "mouseout"
5445 }, function( orig, fix ) {
5446         jQuery.event.special[ orig ] = {
5447                 delegateType: fix,
5448                 bindType: fix,
5450                 handle: function( event ) {
5451                         var ret,
5452                                 target = this,
5453                                 related = event.relatedTarget,
5454                                 handleObj = event.handleObj;
5456                         // For mousenter/leave call the handler if related is outside the target.
5457                         // NB: No relatedTarget if the mouse left/entered the browser window
5458                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5459                                 event.type = handleObj.origType;
5460                                 ret = handleObj.handler.apply( this, arguments );
5461                                 event.type = fix;
5462                         }
5463                         return ret;
5464                 }
5465         };
5468 // IE submit delegation
5469 if ( !jQuery.support.submitBubbles ) {
5471         jQuery.event.special.submit = {
5472                 setup: function() {
5473                         // Only need this for delegated form submit events
5474                         if ( jQuery.nodeName( this, "form" ) ) {
5475                                 return false;
5476                         }
5478                         // Lazy-add a submit handler when a descendant form may potentially be submitted
5479                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5480                                 // Node name check avoids a VML-related crash in IE (#9807)
5481                                 var elem = e.target,
5482                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5483                                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5484                                         jQuery.event.add( form, "submit._submit", function( event ) {
5485                                                 event._submit_bubble = true;
5486                                         });
5487                                         jQuery._data( form, "submitBubbles", true );
5488                                 }
5489                         });
5490                         // return undefined since we don't need an event listener
5491                 },
5493                 postDispatch: function( event ) {
5494                         // If form was submitted by the user, bubble the event up the tree
5495                         if ( event._submit_bubble ) {
5496                                 delete event._submit_bubble;
5497                                 if ( this.parentNode && !event.isTrigger ) {
5498                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
5499                                 }
5500                         }
5501                 },
5503                 teardown: function() {
5504                         // Only need this for delegated form submit events
5505                         if ( jQuery.nodeName( this, "form" ) ) {
5506                                 return false;
5507                         }
5509                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5510                         jQuery.event.remove( this, "._submit" );
5511                 }
5512         };
5515 // IE change delegation and checkbox/radio fix
5516 if ( !jQuery.support.changeBubbles ) {
5518         jQuery.event.special.change = {
5520                 setup: function() {
5522                         if ( rformElems.test( this.nodeName ) ) {
5523                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5524                                 // after a propertychange. Eat the blur-change in special.change.handle.
5525                                 // This still fires onchange a second time for check/radio after blur.
5526                                 if ( this.type === "checkbox" || this.type === "radio" ) {
5527                                         jQuery.event.add( this, "propertychange._change", function( event ) {
5528                                                 if ( event.originalEvent.propertyName === "checked" ) {
5529                                                         this._just_changed = true;
5530                                                 }
5531                                         });
5532                                         jQuery.event.add( this, "click._change", function( event ) {
5533                                                 if ( this._just_changed && !event.isTrigger ) {
5534                                                         this._just_changed = false;
5535                                                 }
5536                                                 // Allow triggered, simulated change events (#11500)
5537                                                 jQuery.event.simulate( "change", this, event, true );
5538                                         });
5539                                 }
5540                                 return false;
5541                         }
5542                         // Delegated event; lazy-add a change handler on descendant inputs
5543                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
5544                                 var elem = e.target;
5546                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5547                                         jQuery.event.add( elem, "change._change", function( event ) {
5548                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5549                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
5550                                                 }
5551                                         });
5552                                         jQuery._data( elem, "changeBubbles", true );
5553                                 }
5554                         });
5555                 },
5557                 handle: function( event ) {
5558                         var elem = event.target;
5560                         // Swallow native change events from checkbox/radio, we already triggered them above
5561                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5562                                 return event.handleObj.handler.apply( this, arguments );
5563                         }
5564                 },
5566                 teardown: function() {
5567                         jQuery.event.remove( this, "._change" );
5569                         return !rformElems.test( this.nodeName );
5570                 }
5571         };
5574 // Create "bubbling" focus and blur events
5575 if ( !jQuery.support.focusinBubbles ) {
5576         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5578                 // Attach a single capturing handler while someone wants focusin/focusout
5579                 var attaches = 0,
5580                         handler = function( event ) {
5581                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5582                         };
5584                 jQuery.event.special[ fix ] = {
5585                         setup: function() {
5586                                 if ( attaches++ === 0 ) {
5587                                         document.addEventListener( orig, handler, true );
5588                                 }
5589                         },
5590                         teardown: function() {
5591                                 if ( --attaches === 0 ) {
5592                                         document.removeEventListener( orig, handler, true );
5593                                 }
5594                         }
5595                 };
5596         });
5599 jQuery.fn.extend({
5601         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5602                 var type, origFn;
5604                 // Types can be a map of types/handlers
5605                 if ( typeof types === "object" ) {
5606                         // ( types-Object, selector, data )
5607                         if ( typeof selector !== "string" ) {
5608                                 // ( types-Object, data )
5609                                 data = data || selector;
5610                                 selector = undefined;
5611                         }
5612                         for ( type in types ) {
5613                                 this.on( type, selector, data, types[ type ], one );
5614                         }
5615                         return this;
5616                 }
5618                 if ( data == null && fn == null ) {
5619                         // ( types, fn )
5620                         fn = selector;
5621                         data = selector = undefined;
5622                 } else if ( fn == null ) {
5623                         if ( typeof selector === "string" ) {
5624                                 // ( types, selector, fn )
5625                                 fn = data;
5626                                 data = undefined;
5627                         } else {
5628                                 // ( types, data, fn )
5629                                 fn = data;
5630                                 data = selector;
5631                                 selector = undefined;
5632                         }
5633                 }
5634                 if ( fn === false ) {
5635                         fn = returnFalse;
5636                 } else if ( !fn ) {
5637                         return this;
5638                 }
5640                 if ( one === 1 ) {
5641                         origFn = fn;
5642                         fn = function( event ) {
5643                                 // Can use an empty set, since event contains the info
5644                                 jQuery().off( event );
5645                                 return origFn.apply( this, arguments );
5646                         };
5647                         // Use same guid so caller can remove using origFn
5648                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5649                 }
5650                 return this.each( function() {
5651                         jQuery.event.add( this, types, fn, data, selector );
5652                 });
5653         },
5654         one: function( types, selector, data, fn ) {
5655                 return this.on( types, selector, data, fn, 1 );
5656         },
5657         off: function( types, selector, fn ) {
5658                 var handleObj, type;
5659                 if ( types && types.preventDefault && types.handleObj ) {
5660                         // ( event )  dispatched jQuery.Event
5661                         handleObj = types.handleObj;
5662                         jQuery( types.delegateTarget ).off(
5663                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5664                                 handleObj.selector,
5665                                 handleObj.handler
5666                         );
5667                         return this;
5668                 }
5669                 if ( typeof types === "object" ) {
5670                         // ( types-object [, selector] )
5671                         for ( type in types ) {
5672                                 this.off( type, selector, types[ type ] );
5673                         }
5674                         return this;
5675                 }
5676                 if ( selector === false || typeof selector === "function" ) {
5677                         // ( types [, fn] )
5678                         fn = selector;
5679                         selector = undefined;
5680                 }
5681                 if ( fn === false ) {
5682                         fn = returnFalse;
5683                 }
5684                 return this.each(function() {
5685                         jQuery.event.remove( this, types, fn, selector );
5686                 });
5687         },
5689         trigger: function( type, data ) {
5690                 return this.each(function() {
5691                         jQuery.event.trigger( type, data, this );
5692                 });
5693         },
5694         triggerHandler: function( type, data ) {
5695                 var elem = this[0];
5696                 if ( elem ) {
5697                         return jQuery.event.trigger( type, data, elem, true );
5698                 }
5699         }
5701 var isSimple = /^.[^:#\[\.,]*$/,
5702         rparentsprev = /^(?:parents|prev(?:Until|All))/,
5703         rneedsContext = jQuery.expr.match.needsContext,
5704         // methods guaranteed to produce a unique set when starting from a unique set
5705         guaranteedUnique = {
5706                 children: true,
5707                 contents: true,
5708                 next: true,
5709                 prev: true
5710         };
5712 jQuery.fn.extend({
5713         find: function( selector ) {
5714                 var i,
5715                         ret = [],
5716                         self = this,
5717                         len = self.length;
5719                 if ( typeof selector !== "string" ) {
5720                         return this.pushStack( jQuery( selector ).filter(function() {
5721                                 for ( i = 0; i < len; i++ ) {
5722                                         if ( jQuery.contains( self[ i ], this ) ) {
5723                                                 return true;
5724                                         }
5725                                 }
5726                         }) );
5727                 }
5729                 for ( i = 0; i < len; i++ ) {
5730                         jQuery.find( selector, self[ i ], ret );
5731                 }
5733                 // Needed because $( selector, context ) becomes $( context ).find( selector )
5734                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
5735                 ret.selector = this.selector ? this.selector + " " + selector : selector;
5736                 return ret;
5737         },
5739         has: function( target ) {
5740                 var i,
5741                         targets = jQuery( target, this ),
5742                         len = targets.length;
5744                 return this.filter(function() {
5745                         for ( i = 0; i < len; i++ ) {
5746                                 if ( jQuery.contains( this, targets[i] ) ) {
5747                                         return true;
5748                                 }
5749                         }
5750                 });
5751         },
5753         not: function( selector ) {
5754                 return this.pushStack( winnow(this, selector || [], true) );
5755         },
5757         filter: function( selector ) {
5758                 return this.pushStack( winnow(this, selector || [], false) );
5759         },
5761         is: function( selector ) {
5762                 return !!winnow(
5763                         this,
5765                         // If this is a positional/relative selector, check membership in the returned set
5766                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
5767                         typeof selector === "string" && rneedsContext.test( selector ) ?
5768                                 jQuery( selector ) :
5769                                 selector || [],
5770                         false
5771                 ).length;
5772         },
5774         closest: function( selectors, context ) {
5775                 var cur,
5776                         i = 0,
5777                         l = this.length,
5778                         ret = [],
5779                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
5780                                 jQuery( selectors, context || this.context ) :
5781                                 0;
5783                 for ( ; i < l; i++ ) {
5784                         for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
5785                                 // Always skip document fragments
5786                                 if ( cur.nodeType < 11 && (pos ?
5787                                         pos.index(cur) > -1 :
5789                                         // Don't pass non-elements to Sizzle
5790                                         cur.nodeType === 1 &&
5791                                                 jQuery.find.matchesSelector(cur, selectors)) ) {
5793                                         cur = ret.push( cur );
5794                                         break;
5795                                 }
5796                         }
5797                 }
5799                 return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
5800         },
5802         // Determine the position of an element within
5803         // the matched set of elements
5804         index: function( elem ) {
5806                 // No argument, return index in parent
5807                 if ( !elem ) {
5808                         return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
5809                 }
5811                 // index in selector
5812                 if ( typeof elem === "string" ) {
5813                         return jQuery.inArray( this[0], jQuery( elem ) );
5814                 }
5816                 // Locate the position of the desired element
5817                 return jQuery.inArray(
5818                         // If it receives a jQuery object, the first element is used
5819                         elem.jquery ? elem[0] : elem, this );
5820         },
5822         add: function( selector, context ) {
5823                 var set = typeof selector === "string" ?
5824                                 jQuery( selector, context ) :
5825                                 jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
5826                         all = jQuery.merge( this.get(), set );
5828                 return this.pushStack( jQuery.unique(all) );
5829         },
5831         addBack: function( selector ) {
5832                 return this.add( selector == null ?
5833                         this.prevObject : this.prevObject.filter(selector)
5834                 );
5835         }
5838 function sibling( cur, dir ) {
5839         do {
5840                 cur = cur[ dir ];
5841         } while ( cur && cur.nodeType !== 1 );
5843         return cur;
5846 jQuery.each({
5847         parent: function( elem ) {
5848                 var parent = elem.parentNode;
5849                 return parent && parent.nodeType !== 11 ? parent : null;
5850         },
5851         parents: function( elem ) {
5852                 return jQuery.dir( elem, "parentNode" );
5853         },
5854         parentsUntil: function( elem, i, until ) {
5855                 return jQuery.dir( elem, "parentNode", until );
5856         },
5857         next: function( elem ) {
5858                 return sibling( elem, "nextSibling" );
5859         },
5860         prev: function( elem ) {
5861                 return sibling( elem, "previousSibling" );
5862         },
5863         nextAll: function( elem ) {
5864                 return jQuery.dir( elem, "nextSibling" );
5865         },
5866         prevAll: function( elem ) {
5867                 return jQuery.dir( elem, "previousSibling" );
5868         },
5869         nextUntil: function( elem, i, until ) {
5870                 return jQuery.dir( elem, "nextSibling", until );
5871         },
5872         prevUntil: function( elem, i, until ) {
5873                 return jQuery.dir( elem, "previousSibling", until );
5874         },
5875         siblings: function( elem ) {
5876                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
5877         },
5878         children: function( elem ) {
5879                 return jQuery.sibling( elem.firstChild );
5880         },
5881         contents: function( elem ) {
5882                 return jQuery.nodeName( elem, "iframe" ) ?
5883                         elem.contentDocument || elem.contentWindow.document :
5884                         jQuery.merge( [], elem.childNodes );
5885         }
5886 }, function( name, fn ) {
5887         jQuery.fn[ name ] = function( until, selector ) {
5888                 var ret = jQuery.map( this, fn, until );
5890                 if ( name.slice( -5 ) !== "Until" ) {
5891                         selector = until;
5892                 }
5894                 if ( selector && typeof selector === "string" ) {
5895                         ret = jQuery.filter( selector, ret );
5896                 }
5898                 if ( this.length > 1 ) {
5899                         // Remove duplicates
5900                         if ( !guaranteedUnique[ name ] ) {
5901                                 ret = jQuery.unique( ret );
5902                         }
5904                         // Reverse order for parents* and prev-derivatives
5905                         if ( rparentsprev.test( name ) ) {
5906                                 ret = ret.reverse();
5907                         }
5908                 }
5910                 return this.pushStack( ret );
5911         };
5914 jQuery.extend({
5915         filter: function( expr, elems, not ) {
5916                 var elem = elems[ 0 ];
5918                 if ( not ) {
5919                         expr = ":not(" + expr + ")";
5920                 }
5922                 return elems.length === 1 && elem.nodeType === 1 ?
5923                         jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
5924                         jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
5925                                 return elem.nodeType === 1;
5926                         }));
5927         },
5929         dir: function( elem, dir, until ) {
5930                 var matched = [],
5931                         cur = elem[ dir ];
5933                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
5934                         if ( cur.nodeType === 1 ) {
5935                                 matched.push( cur );
5936                         }
5937                         cur = cur[dir];
5938                 }
5939                 return matched;
5940         },
5942         sibling: function( n, elem ) {
5943                 var r = [];
5945                 for ( ; n; n = n.nextSibling ) {
5946                         if ( n.nodeType === 1 && n !== elem ) {
5947                                 r.push( n );
5948                         }
5949                 }
5951                 return r;
5952         }
5955 // Implement the identical functionality for filter and not
5956 function winnow( elements, qualifier, not ) {
5957         if ( jQuery.isFunction( qualifier ) ) {
5958                 return jQuery.grep( elements, function( elem, i ) {
5959                         /* jshint -W018 */
5960                         return !!qualifier.call( elem, i, elem ) !== not;
5961                 });
5963         }
5965         if ( qualifier.nodeType ) {
5966                 return jQuery.grep( elements, function( elem ) {
5967                         return ( elem === qualifier ) !== not;
5968                 });
5970         }
5972         if ( typeof qualifier === "string" ) {
5973                 if ( isSimple.test( qualifier ) ) {
5974                         return jQuery.filter( qualifier, elements, not );
5975                 }
5977                 qualifier = jQuery.filter( qualifier, elements );
5978         }
5980         return jQuery.grep( elements, function( elem ) {
5981                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
5982         });
5984 function createSafeFragment( document ) {
5985         var list = nodeNames.split( "|" ),
5986                 safeFrag = document.createDocumentFragment();
5988         if ( safeFrag.createElement ) {
5989                 while ( list.length ) {
5990                         safeFrag.createElement(
5991                                 list.pop()
5992                         );
5993                 }
5994         }
5995         return safeFrag;
5998 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5999                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
6000         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
6001         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
6002         rleadingWhitespace = /^\s+/,
6003         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
6004         rtagName = /<([\w:]+)/,
6005         rtbody = /<tbody/i,
6006         rhtml = /<|&#?\w+;/,
6007         rnoInnerhtml = /<(?:script|style|link)/i,
6008         manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
6009         // checked="checked" or checked
6010         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
6011         rscriptType = /^$|\/(?:java|ecma)script/i,
6012         rscriptTypeMasked = /^true\/(.*)/,
6013         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
6015         // We have to close these tags to support XHTML (#13200)
6016         wrapMap = {
6017                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
6018                 legend: [ 1, "<fieldset>", "</fieldset>" ],
6019                 area: [ 1, "<map>", "</map>" ],
6020                 param: [ 1, "<object>", "</object>" ],
6021                 thead: [ 1, "<table>", "</table>" ],
6022                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
6023                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
6024                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
6026                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
6027                 // unless wrapped in a div with non-breaking characters in front of it.
6028                 _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
6029         },
6030         safeFragment = createSafeFragment( document ),
6031         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
6033 wrapMap.optgroup = wrapMap.option;
6034 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
6035 wrapMap.th = wrapMap.td;
6037 jQuery.fn.extend({
6038         text: function( value ) {
6039                 return jQuery.access( this, function( value ) {
6040                         return value === undefined ?
6041                                 jQuery.text( this ) :
6042                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
6043                 }, null, value, arguments.length );
6044         },
6046         append: function() {
6047                 return this.domManip( arguments, function( elem ) {
6048                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6049                                 var target = manipulationTarget( this, elem );
6050                                 target.appendChild( elem );
6051                         }
6052                 });
6053         },
6055         prepend: function() {
6056                 return this.domManip( arguments, function( elem ) {
6057                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6058                                 var target = manipulationTarget( this, elem );
6059                                 target.insertBefore( elem, target.firstChild );
6060                         }
6061                 });
6062         },
6064         before: function() {
6065                 return this.domManip( arguments, function( elem ) {
6066                         if ( this.parentNode ) {
6067                                 this.parentNode.insertBefore( elem, this );
6068                         }
6069                 });
6070         },
6072         after: function() {
6073                 return this.domManip( arguments, function( elem ) {
6074                         if ( this.parentNode ) {
6075                                 this.parentNode.insertBefore( elem, this.nextSibling );
6076                         }
6077                 });
6078         },
6080         // keepData is for internal use only--do not document
6081         remove: function( selector, keepData ) {
6082                 var elem,
6083                         elems = selector ? jQuery.filter( selector, this ) : this,
6084                         i = 0;
6086                 for ( ; (elem = elems[i]) != null; i++ ) {
6088                         if ( !keepData && elem.nodeType === 1 ) {
6089                                 jQuery.cleanData( getAll( elem ) );
6090                         }
6092                         if ( elem.parentNode ) {
6093                                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
6094                                         setGlobalEval( getAll( elem, "script" ) );
6095                                 }
6096                                 elem.parentNode.removeChild( elem );
6097                         }
6098                 }
6100                 return this;
6101         },
6103         empty: function() {
6104                 var elem,
6105                         i = 0;
6107                 for ( ; (elem = this[i]) != null; i++ ) {
6108                         // Remove element nodes and prevent memory leaks
6109                         if ( elem.nodeType === 1 ) {
6110                                 jQuery.cleanData( getAll( elem, false ) );
6111                         }
6113                         // Remove any remaining nodes
6114                         while ( elem.firstChild ) {
6115                                 elem.removeChild( elem.firstChild );
6116                         }
6118                         // If this is a select, ensure that it displays empty (#12336)
6119                         // Support: IE<9
6120                         if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
6121                                 elem.options.length = 0;
6122                         }
6123                 }
6125                 return this;
6126         },
6128         clone: function( dataAndEvents, deepDataAndEvents ) {
6129                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6130                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6132                 return this.map( function () {
6133                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6134                 });
6135         },
6137         html: function( value ) {
6138                 return jQuery.access( this, function( value ) {
6139                         var elem = this[0] || {},
6140                                 i = 0,
6141                                 l = this.length;
6143                         if ( value === undefined ) {
6144                                 return elem.nodeType === 1 ?
6145                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
6146                                         undefined;
6147                         }
6149                         // See if we can take a shortcut and just use innerHTML
6150                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6151                                 ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
6152                                 ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
6153                                 !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
6155                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
6157                                 try {
6158                                         for (; i < l; i++ ) {
6159                                                 // Remove element nodes and prevent memory leaks
6160                                                 elem = this[i] || {};
6161                                                 if ( elem.nodeType === 1 ) {
6162                                                         jQuery.cleanData( getAll( elem, false ) );
6163                                                         elem.innerHTML = value;
6164                                                 }
6165                                         }
6167                                         elem = 0;
6169                                 // If using innerHTML throws an exception, use the fallback method
6170                                 } catch(e) {}
6171                         }
6173                         if ( elem ) {
6174                                 this.empty().append( value );
6175                         }
6176                 }, null, value, arguments.length );
6177         },
6179         replaceWith: function() {
6180                 var
6181                         // Snapshot the DOM in case .domManip sweeps something relevant into its fragment
6182                         args = jQuery.map( this, function( elem ) {
6183                                 return [ elem.nextSibling, elem.parentNode ];
6184                         }),
6185                         i = 0;
6187                 // Make the changes, replacing each context element with the new content
6188                 this.domManip( arguments, function( elem ) {
6189                         var next = args[ i++ ],
6190                                 parent = args[ i++ ];
6192                         if ( parent ) {
6193                                 // Don't use the snapshot next if it has moved (#13810)
6194                                 if ( next && next.parentNode !== parent ) {
6195                                         next = this.nextSibling;
6196                                 }
6197                                 jQuery( this ).remove();
6198                                 parent.insertBefore( elem, next );
6199                         }
6200                 // Allow new content to include elements from the context set
6201                 }, true );
6203                 // Force removal if there was no new content (e.g., from empty arguments)
6204                 return i ? this : this.remove();
6205         },
6207         detach: function( selector ) {
6208                 return this.remove( selector, true );
6209         },
6211         domManip: function( args, callback, allowIntersection ) {
6213                 // Flatten any nested arrays
6214                 args = core_concat.apply( [], args );
6216                 var first, node, hasScripts,
6217                         scripts, doc, fragment,
6218                         i = 0,
6219                         l = this.length,
6220                         set = this,
6221                         iNoClone = l - 1,
6222                         value = args[0],
6223                         isFunction = jQuery.isFunction( value );
6225                 // We can't cloneNode fragments that contain checked, in WebKit
6226                 if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
6227                         return this.each(function( index ) {
6228                                 var self = set.eq( index );
6229                                 if ( isFunction ) {
6230                                         args[0] = value.call( this, index, self.html() );
6231                                 }
6232                                 self.domManip( args, callback, allowIntersection );
6233                         });
6234                 }
6236                 if ( l ) {
6237                         fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
6238                         first = fragment.firstChild;
6240                         if ( fragment.childNodes.length === 1 ) {
6241                                 fragment = first;
6242                         }
6244                         if ( first ) {
6245                                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6246                                 hasScripts = scripts.length;
6248                                 // Use the original fragment for the last item instead of the first because it can end up
6249                                 // being emptied incorrectly in certain situations (#8070).
6250                                 for ( ; i < l; i++ ) {
6251                                         node = fragment;
6253                                         if ( i !== iNoClone ) {
6254                                                 node = jQuery.clone( node, true, true );
6256                                                 // Keep references to cloned scripts for later restoration
6257                                                 if ( hasScripts ) {
6258                                                         jQuery.merge( scripts, getAll( node, "script" ) );
6259                                                 }
6260                                         }
6262                                         callback.call( this[i], node, i );
6263                                 }
6265                                 if ( hasScripts ) {
6266                                         doc = scripts[ scripts.length - 1 ].ownerDocument;
6268                                         // Reenable scripts
6269                                         jQuery.map( scripts, restoreScript );
6271                                         // Evaluate executable scripts on first document insertion
6272                                         for ( i = 0; i < hasScripts; i++ ) {
6273                                                 node = scripts[ i ];
6274                                                 if ( rscriptType.test( node.type || "" ) &&
6275                                                         !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
6277                                                         if ( node.src ) {
6278                                                                 // Hope ajax is available...
6279                                                                 jQuery._evalUrl( node.src );
6280                                                         } else {
6281                                                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
6282                                                         }
6283                                                 }
6284                                         }
6285                                 }
6287                                 // Fix #11809: Avoid leaking memory
6288                                 fragment = first = null;
6289                         }
6290                 }
6292                 return this;
6293         }
6296 // Support: IE<8
6297 // Manipulating tables requires a tbody
6298 function manipulationTarget( elem, content ) {
6299         return jQuery.nodeName( elem, "table" ) &&
6300                 jQuery.nodeName( content.nodeType === 1 ? content : content.firstChild, "tr" ) ?
6302                 elem.getElementsByTagName("tbody")[0] ||
6303                         elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
6304                 elem;
6307 // Replace/restore the type attribute of script elements for safe DOM manipulation
6308 function disableScript( elem ) {
6309         elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
6310         return elem;
6312 function restoreScript( elem ) {
6313         var match = rscriptTypeMasked.exec( elem.type );
6314         if ( match ) {
6315                 elem.type = match[1];
6316         } else {
6317                 elem.removeAttribute("type");
6318         }
6319         return elem;
6322 // Mark scripts as having already been evaluated
6323 function setGlobalEval( elems, refElements ) {
6324         var elem,
6325                 i = 0;
6326         for ( ; (elem = elems[i]) != null; i++ ) {
6327                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
6328         }
6331 function cloneCopyEvent( src, dest ) {
6333         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
6334                 return;
6335         }
6337         var type, i, l,
6338                 oldData = jQuery._data( src ),
6339                 curData = jQuery._data( dest, oldData ),
6340                 events = oldData.events;
6342         if ( events ) {
6343                 delete curData.handle;
6344                 curData.events = {};
6346                 for ( type in events ) {
6347                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6348                                 jQuery.event.add( dest, type, events[ type ][ i ] );
6349                         }
6350                 }
6351         }
6353         // make the cloned public data object a copy from the original
6354         if ( curData.data ) {
6355                 curData.data = jQuery.extend( {}, curData.data );
6356         }
6359 function fixCloneNodeIssues( src, dest ) {
6360         var nodeName, e, data;
6362         // We do not need to do anything for non-Elements
6363         if ( dest.nodeType !== 1 ) {
6364                 return;
6365         }
6367         nodeName = dest.nodeName.toLowerCase();
6369         // IE6-8 copies events bound via attachEvent when using cloneNode.
6370         if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
6371                 data = jQuery._data( dest );
6373                 for ( e in data.events ) {
6374                         jQuery.removeEvent( dest, e, data.handle );
6375                 }
6377                 // Event data gets referenced instead of copied if the expando gets copied too
6378                 dest.removeAttribute( jQuery.expando );
6379         }
6381         // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
6382         if ( nodeName === "script" && dest.text !== src.text ) {
6383                 disableScript( dest ).text = src.text;
6384                 restoreScript( dest );
6386         // IE6-10 improperly clones children of object elements using classid.
6387         // IE10 throws NoModificationAllowedError if parent is null, #12132.
6388         } else if ( nodeName === "object" ) {
6389                 if ( dest.parentNode ) {
6390                         dest.outerHTML = src.outerHTML;
6391                 }
6393                 // This path appears unavoidable for IE9. When cloning an object
6394                 // element in IE9, the outerHTML strategy above is not sufficient.
6395                 // If the src has innerHTML and the destination does not,
6396                 // copy the src.innerHTML into the dest.innerHTML. #10324
6397                 if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
6398                         dest.innerHTML = src.innerHTML;
6399                 }
6401         } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
6402                 // IE6-8 fails to persist the checked state of a cloned checkbox
6403                 // or radio button. Worse, IE6-7 fail to give the cloned element
6404                 // a checked appearance if the defaultChecked value isn't also set
6406                 dest.defaultChecked = dest.checked = src.checked;
6408                 // IE6-7 get confused and end up setting the value of a cloned
6409                 // checkbox/radio button to an empty string instead of "on"
6410                 if ( dest.value !== src.value ) {
6411                         dest.value = src.value;
6412                 }
6414         // IE6-8 fails to return the selected option to the default selected
6415         // state when cloning options
6416         } else if ( nodeName === "option" ) {
6417                 dest.defaultSelected = dest.selected = src.defaultSelected;
6419         // IE6-8 fails to set the defaultValue to the correct value when
6420         // cloning other types of input fields
6421         } else if ( nodeName === "input" || nodeName === "textarea" ) {
6422                 dest.defaultValue = src.defaultValue;
6423         }
6426 jQuery.each({
6427         appendTo: "append",
6428         prependTo: "prepend",
6429         insertBefore: "before",
6430         insertAfter: "after",
6431         replaceAll: "replaceWith"
6432 }, function( name, original ) {
6433         jQuery.fn[ name ] = function( selector ) {
6434                 var elems,
6435                         i = 0,
6436                         ret = [],
6437                         insert = jQuery( selector ),
6438                         last = insert.length - 1;
6440                 for ( ; i <= last; i++ ) {
6441                         elems = i === last ? this : this.clone(true);
6442                         jQuery( insert[i] )[ original ]( elems );
6444                         // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
6445                         core_push.apply( ret, elems.get() );
6446                 }
6448                 return this.pushStack( ret );
6449         };
6452 function getAll( context, tag ) {
6453         var elems, elem,
6454                 i = 0,
6455                 found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
6456                         typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
6457                         undefined;
6459         if ( !found ) {
6460                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
6461                         if ( !tag || jQuery.nodeName( elem, tag ) ) {
6462                                 found.push( elem );
6463                         } else {
6464                                 jQuery.merge( found, getAll( elem, tag ) );
6465                         }
6466                 }
6467         }
6469         return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
6470                 jQuery.merge( [ context ], found ) :
6471                 found;
6474 // Used in buildFragment, fixes the defaultChecked property
6475 function fixDefaultChecked( elem ) {
6476         if ( manipulation_rcheckableType.test( elem.type ) ) {
6477                 elem.defaultChecked = elem.checked;
6478         }
6481 jQuery.extend({
6482         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6483                 var destElements, node, clone, i, srcElements,
6484                         inPage = jQuery.contains( elem.ownerDocument, elem );
6486                 if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
6487                         clone = elem.cloneNode( true );
6489                 // IE<=8 does not properly clone detached, unknown element nodes
6490                 } else {
6491                         fragmentDiv.innerHTML = elem.outerHTML;
6492                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
6493                 }
6495                 if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
6496                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
6498                         // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
6499                         destElements = getAll( clone );
6500                         srcElements = getAll( elem );
6502                         // Fix all IE cloning issues
6503                         for ( i = 0; (node = srcElements[i]) != null; ++i ) {
6504                                 // Ensure that the destination node is not null; Fixes #9587
6505                                 if ( destElements[i] ) {
6506                                         fixCloneNodeIssues( node, destElements[i] );
6507                                 }
6508                         }
6509                 }
6511                 // Copy the events from the original to the clone
6512                 if ( dataAndEvents ) {
6513                         if ( deepDataAndEvents ) {
6514                                 srcElements = srcElements || getAll( elem );
6515                                 destElements = destElements || getAll( clone );
6517                                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
6518                                         cloneCopyEvent( node, destElements[i] );
6519                                 }
6520                         } else {
6521                                 cloneCopyEvent( elem, clone );
6522                         }
6523                 }
6525                 // Preserve script evaluation history
6526                 destElements = getAll( clone, "script" );
6527                 if ( destElements.length > 0 ) {
6528                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6529                 }
6531                 destElements = srcElements = node = null;
6533                 // Return the cloned set
6534                 return clone;
6535         },
6537         buildFragment: function( elems, context, scripts, selection ) {
6538                 var j, elem, contains,
6539                         tmp, tag, tbody, wrap,
6540                         l = elems.length,
6542                         // Ensure a safe fragment
6543                         safe = createSafeFragment( context ),
6545                         nodes = [],
6546                         i = 0;
6548                 for ( ; i < l; i++ ) {
6549                         elem = elems[ i ];
6551                         if ( elem || elem === 0 ) {
6553                                 // Add nodes directly
6554                                 if ( jQuery.type( elem ) === "object" ) {
6555                                         jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
6557                                 // Convert non-html into a text node
6558                                 } else if ( !rhtml.test( elem ) ) {
6559                                         nodes.push( context.createTextNode( elem ) );
6561                                 // Convert html into DOM nodes
6562                                 } else {
6563                                         tmp = tmp || safe.appendChild( context.createElement("div") );
6565                                         // Deserialize a standard representation
6566                                         tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
6567                                         wrap = wrapMap[ tag ] || wrapMap._default;
6569                                         tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
6571                                         // Descend through wrappers to the right content
6572                                         j = wrap[0];
6573                                         while ( j-- ) {
6574                                                 tmp = tmp.lastChild;
6575                                         }
6577                                         // Manually add leading whitespace removed by IE
6578                                         if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
6579                                                 nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
6580                                         }
6582                                         // Remove IE's autoinserted <tbody> from table fragments
6583                                         if ( !jQuery.support.tbody ) {
6585                                                 // String was a <table>, *may* have spurious <tbody>
6586                                                 elem = tag === "table" && !rtbody.test( elem ) ?
6587                                                         tmp.firstChild :
6589                                                         // String was a bare <thead> or <tfoot>
6590                                                         wrap[1] === "<table>" && !rtbody.test( elem ) ?
6591                                                                 tmp :
6592                                                                 0;
6594                                                 j = elem && elem.childNodes.length;
6595                                                 while ( j-- ) {
6596                                                         if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
6597                                                                 elem.removeChild( tbody );
6598                                                         }
6599                                                 }
6600                                         }
6602                                         jQuery.merge( nodes, tmp.childNodes );
6604                                         // Fix #12392 for WebKit and IE > 9
6605                                         tmp.textContent = "";
6607                                         // Fix #12392 for oldIE
6608                                         while ( tmp.firstChild ) {
6609                                                 tmp.removeChild( tmp.firstChild );
6610                                         }
6612                                         // Remember the top-level container for proper cleanup
6613                                         tmp = safe.lastChild;
6614                                 }
6615                         }
6616                 }
6618                 // Fix #11356: Clear elements from fragment
6619                 if ( tmp ) {
6620                         safe.removeChild( tmp );
6621                 }
6623                 // Reset defaultChecked for any radios and checkboxes
6624                 // about to be appended to the DOM in IE 6/7 (#8060)
6625                 if ( !jQuery.support.appendChecked ) {
6626                         jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
6627                 }
6629                 i = 0;
6630                 while ( (elem = nodes[ i++ ]) ) {
6632                         // #4087 - If origin and destination elements are the same, and this is
6633                         // that element, do not do anything
6634                         if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
6635                                 continue;
6636                         }
6638                         contains = jQuery.contains( elem.ownerDocument, elem );
6640                         // Append to fragment
6641                         tmp = getAll( safe.appendChild( elem ), "script" );
6643                         // Preserve script evaluation history
6644                         if ( contains ) {
6645                                 setGlobalEval( tmp );
6646                         }
6648                         // Capture executables
6649                         if ( scripts ) {
6650                                 j = 0;
6651                                 while ( (elem = tmp[ j++ ]) ) {
6652                                         if ( rscriptType.test( elem.type || "" ) ) {
6653                                                 scripts.push( elem );
6654                                         }
6655                                 }
6656                         }
6657                 }
6659                 tmp = null;
6661                 return safe;
6662         },
6664         cleanData: function( elems, /* internal */ acceptData ) {
6665                 var elem, type, id, data,
6666                         i = 0,
6667                         internalKey = jQuery.expando,
6668                         cache = jQuery.cache,
6669                         deleteExpando = jQuery.support.deleteExpando,
6670                         special = jQuery.event.special;
6672                 for ( ; (elem = elems[i]) != null; i++ ) {
6674                         if ( acceptData || jQuery.acceptData( elem ) ) {
6676                                 id = elem[ internalKey ];
6677                                 data = id && cache[ id ];
6679                                 if ( data ) {
6680                                         if ( data.events ) {
6681                                                 for ( type in data.events ) {
6682                                                         if ( special[ type ] ) {
6683                                                                 jQuery.event.remove( elem, type );
6685                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
6686                                                         } else {
6687                                                                 jQuery.removeEvent( elem, type, data.handle );
6688                                                         }
6689                                                 }
6690                                         }
6692                                         // Remove cache only if it was not already removed by jQuery.event.remove
6693                                         if ( cache[ id ] ) {
6695                                                 delete cache[ id ];
6697                                                 // IE does not allow us to delete expando properties from nodes,
6698                                                 // nor does it have a removeAttribute function on Document nodes;
6699                                                 // we must handle all of these cases
6700                                                 if ( deleteExpando ) {
6701                                                         delete elem[ internalKey ];
6703                                                 } else if ( typeof elem.removeAttribute !== core_strundefined ) {
6704                                                         elem.removeAttribute( internalKey );
6706                                                 } else {
6707                                                         elem[ internalKey ] = null;
6708                                                 }
6710                                                 core_deletedIds.push( id );
6711                                         }
6712                                 }
6713                         }
6714                 }
6715         },
6717         _evalUrl: function( url ) {
6718                 return jQuery.ajax({
6719                         url: url,
6720                         type: "GET",
6721                         dataType: "script",
6722                         async: false,
6723                         global: false,
6724                         "throws": true
6725                 });
6726         }
6728 jQuery.fn.extend({
6729         wrapAll: function( html ) {
6730                 if ( jQuery.isFunction( html ) ) {
6731                         return this.each(function(i) {
6732                                 jQuery(this).wrapAll( html.call(this, i) );
6733                         });
6734                 }
6736                 if ( this[0] ) {
6737                         // The elements to wrap the target around
6738                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
6740                         if ( this[0].parentNode ) {
6741                                 wrap.insertBefore( this[0] );
6742                         }
6744                         wrap.map(function() {
6745                                 var elem = this;
6747                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
6748                                         elem = elem.firstChild;
6749                                 }
6751                                 return elem;
6752                         }).append( this );
6753                 }
6755                 return this;
6756         },
6758         wrapInner: function( html ) {
6759                 if ( jQuery.isFunction( html ) ) {
6760                         return this.each(function(i) {
6761                                 jQuery(this).wrapInner( html.call(this, i) );
6762                         });
6763                 }
6765                 return this.each(function() {
6766                         var self = jQuery( this ),
6767                                 contents = self.contents();
6769                         if ( contents.length ) {
6770                                 contents.wrapAll( html );
6772                         } else {
6773                                 self.append( html );
6774                         }
6775                 });
6776         },
6778         wrap: function( html ) {
6779                 var isFunction = jQuery.isFunction( html );
6781                 return this.each(function(i) {
6782                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
6783                 });
6784         },
6786         unwrap: function() {
6787                 return this.parent().each(function() {
6788                         if ( !jQuery.nodeName( this, "body" ) ) {
6789                                 jQuery( this ).replaceWith( this.childNodes );
6790                         }
6791                 }).end();
6792         }
6794 var iframe, getStyles, curCSS,
6795         ralpha = /alpha\([^)]*\)/i,
6796         ropacity = /opacity\s*=\s*([^)]*)/,
6797         rposition = /^(top|right|bottom|left)$/,
6798         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6799         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6800         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6801         rmargin = /^margin/,
6802         rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
6803         rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
6804         rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
6805         elemdisplay = { BODY: "block" },
6807         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6808         cssNormalTransform = {
6809                 letterSpacing: 0,
6810                 fontWeight: 400
6811         },
6813         cssExpand = [ "Top", "Right", "Bottom", "Left" ],
6814         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6816 // return a css property mapped to a potentially vendor prefixed property
6817 function vendorPropName( style, name ) {
6819         // shortcut for names that are not vendor prefixed
6820         if ( name in style ) {
6821                 return name;
6822         }
6824         // check for vendor prefixed names
6825         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6826                 origName = name,
6827                 i = cssPrefixes.length;
6829         while ( i-- ) {
6830                 name = cssPrefixes[ i ] + capName;
6831                 if ( name in style ) {
6832                         return name;
6833                 }
6834         }
6836         return origName;
6839 function isHidden( elem, el ) {
6840         // isHidden might be called from jQuery#filter function;
6841         // in that case, element will be second argument
6842         elem = el || elem;
6843         return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
6846 function showHide( elements, show ) {
6847         var display, elem, hidden,
6848                 values = [],
6849                 index = 0,
6850                 length = elements.length;
6852         for ( ; index < length; index++ ) {
6853                 elem = elements[ index ];
6854                 if ( !elem.style ) {
6855                         continue;
6856                 }
6858                 values[ index ] = jQuery._data( elem, "olddisplay" );
6859                 display = elem.style.display;
6860                 if ( show ) {
6861                         // Reset the inline display of this element to learn if it is
6862                         // being hidden by cascaded rules or not
6863                         if ( !values[ index ] && display === "none" ) {
6864                                 elem.style.display = "";
6865                         }
6867                         // Set elements which have been overridden with display: none
6868                         // in a stylesheet to whatever the default browser style is
6869                         // for such an element
6870                         if ( elem.style.display === "" && isHidden( elem ) ) {
6871                                 values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
6872                         }
6873                 } else {
6875                         if ( !values[ index ] ) {
6876                                 hidden = isHidden( elem );
6878                                 if ( display && display !== "none" || !hidden ) {
6879                                         jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6880                                 }
6881                         }
6882                 }
6883         }
6885         // Set the display of most of the elements in a second loop
6886         // to avoid the constant reflow
6887         for ( index = 0; index < length; index++ ) {
6888                 elem = elements[ index ];
6889                 if ( !elem.style ) {
6890                         continue;
6891                 }
6892                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6893                         elem.style.display = show ? values[ index ] || "" : "none";
6894                 }
6895         }
6897         return elements;
6900 jQuery.fn.extend({
6901         css: function( name, value ) {
6902                 return jQuery.access( this, function( elem, name, value ) {
6903                         var len, styles,
6904                                 map = {},
6905                                 i = 0;
6907                         if ( jQuery.isArray( name ) ) {
6908                                 styles = getStyles( elem );
6909                                 len = name.length;
6911                                 for ( ; i < len; i++ ) {
6912                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6913                                 }
6915                                 return map;
6916                         }
6918                         return value !== undefined ?
6919                                 jQuery.style( elem, name, value ) :
6920                                 jQuery.css( elem, name );
6921                 }, name, value, arguments.length > 1 );
6922         },
6923         show: function() {
6924                 return showHide( this, true );
6925         },
6926         hide: function() {
6927                 return showHide( this );
6928         },
6929         toggle: function( state ) {
6930                 if ( typeof state === "boolean" ) {
6931                         return state ? this.show() : this.hide();
6932                 }
6934                 return this.each(function() {
6935                         if ( isHidden( this ) ) {
6936                                 jQuery( this ).show();
6937                         } else {
6938                                 jQuery( this ).hide();
6939                         }
6940                 });
6941         }
6944 jQuery.extend({
6945         // Add in style property hooks for overriding the default
6946         // behavior of getting and setting a style property
6947         cssHooks: {
6948                 opacity: {
6949                         get: function( elem, computed ) {
6950                                 if ( computed ) {
6951                                         // We should always get a number back from opacity
6952                                         var ret = curCSS( elem, "opacity" );
6953                                         return ret === "" ? "1" : ret;
6954                                 }
6955                         }
6956                 }
6957         },
6959         // Don't automatically add "px" to these possibly-unitless properties
6960         cssNumber: {
6961                 "columnCount": true,
6962                 "fillOpacity": true,
6963                 "fontWeight": true,
6964                 "lineHeight": true,
6965                 "opacity": true,
6966                 "order": true,
6967                 "orphans": true,
6968                 "widows": true,
6969                 "zIndex": true,
6970                 "zoom": true
6971         },
6973         // Add in properties whose names you wish to fix before
6974         // setting or getting the value
6975         cssProps: {
6976                 // normalize float css property
6977                 "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
6978         },
6980         // Get and set the style property on a DOM Node
6981         style: function( elem, name, value, extra ) {
6982                 // Don't set styles on text and comment nodes
6983                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6984                         return;
6985                 }
6987                 // Make sure that we're working with the right name
6988                 var ret, type, hooks,
6989                         origName = jQuery.camelCase( name ),
6990                         style = elem.style;
6992                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6994                 // gets hook for the prefixed version
6995                 // followed by the unprefixed version
6996                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6998                 // Check if we're setting a value
6999                 if ( value !== undefined ) {
7000                         type = typeof value;
7002                         // convert relative number strings (+= or -=) to relative numbers. #7345
7003                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
7004                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
7005                                 // Fixes bug #9237
7006                                 type = "number";
7007                         }
7009                         // Make sure that NaN and null values aren't set. See: #7116
7010                         if ( value == null || type === "number" && isNaN( value ) ) {
7011                                 return;
7012                         }
7014                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
7015                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
7016                                 value += "px";
7017                         }
7019                         // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
7020                         // but it would mean to define eight (for every problematic property) identical functions
7021                         if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
7022                                 style[ name ] = "inherit";
7023                         }
7025                         // If a hook was provided, use that value, otherwise just set the specified value
7026                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
7028                                 // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
7029                                 // Fixes bug #5509
7030                                 try {
7031                                         style[ name ] = value;
7032                                 } catch(e) {}
7033                         }
7035                 } else {
7036                         // If a hook was provided get the non-computed value from there
7037                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
7038                                 return ret;
7039                         }
7041                         // Otherwise just get the value from the style object
7042                         return style[ name ];
7043                 }
7044         },
7046         css: function( elem, name, extra, styles ) {
7047                 var num, val, hooks,
7048                         origName = jQuery.camelCase( name );
7050                 // Make sure that we're working with the right name
7051                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
7053                 // gets hook for the prefixed version
7054                 // followed by the unprefixed version
7055                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
7057                 // If a hook was provided get the computed value from there
7058                 if ( hooks && "get" in hooks ) {
7059                         val = hooks.get( elem, true, extra );
7060                 }
7062                 // Otherwise, if a way to get the computed value exists, use that
7063                 if ( val === undefined ) {
7064                         val = curCSS( elem, name, styles );
7065                 }
7067                 //convert "normal" to computed value
7068                 if ( val === "normal" && name in cssNormalTransform ) {
7069                         val = cssNormalTransform[ name ];
7070                 }
7072                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
7073                 if ( extra === "" || extra ) {
7074                         num = parseFloat( val );
7075                         return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
7076                 }
7077                 return val;
7078         }
7081 // NOTE: we've included the "window" in window.getComputedStyle
7082 // because jsdom on node.js will break without it.
7083 if ( window.getComputedStyle ) {
7084         getStyles = function( elem ) {
7085                 return window.getComputedStyle( elem, null );
7086         };
7088         curCSS = function( elem, name, _computed ) {
7089                 var width, minWidth, maxWidth,
7090                         computed = _computed || getStyles( elem ),
7092                         // getPropertyValue is only needed for .css('filter') in IE9, see #12537
7093                         ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
7094                         style = elem.style;
7096                 if ( computed ) {
7098                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
7099                                 ret = jQuery.style( elem, name );
7100                         }
7102                         // A tribute to the "awesome hack by Dean Edwards"
7103                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
7104                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
7105                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
7106                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
7108                                 // Remember the original values
7109                                 width = style.width;
7110                                 minWidth = style.minWidth;
7111                                 maxWidth = style.maxWidth;
7113                                 // Put in the new values to get a computed value out
7114                                 style.minWidth = style.maxWidth = style.width = ret;
7115                                 ret = computed.width;
7117                                 // Revert the changed values
7118                                 style.width = width;
7119                                 style.minWidth = minWidth;
7120                                 style.maxWidth = maxWidth;
7121                         }
7122                 }
7124                 return ret;
7125         };
7126 } else if ( document.documentElement.currentStyle ) {
7127         getStyles = function( elem ) {
7128                 return elem.currentStyle;
7129         };
7131         curCSS = function( elem, name, _computed ) {
7132                 var left, rs, rsLeft,
7133                         computed = _computed || getStyles( elem ),
7134                         ret = computed ? computed[ name ] : undefined,
7135                         style = elem.style;
7137                 // Avoid setting ret to empty string here
7138                 // so we don't default to auto
7139                 if ( ret == null && style && style[ name ] ) {
7140                         ret = style[ name ];
7141                 }
7143                 // From the awesome hack by Dean Edwards
7144                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
7146                 // If we're not dealing with a regular pixel number
7147                 // but a number that has a weird ending, we need to convert it to pixels
7148                 // but not position css attributes, as those are proportional to the parent element instead
7149                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
7150                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
7152                         // Remember the original values
7153                         left = style.left;
7154                         rs = elem.runtimeStyle;
7155                         rsLeft = rs && rs.left;
7157                         // Put in the new values to get a computed value out
7158                         if ( rsLeft ) {
7159                                 rs.left = elem.currentStyle.left;
7160                         }
7161                         style.left = name === "fontSize" ? "1em" : ret;
7162                         ret = style.pixelLeft + "px";
7164                         // Revert the changed values
7165                         style.left = left;
7166                         if ( rsLeft ) {
7167                                 rs.left = rsLeft;
7168                         }
7169                 }
7171                 return ret === "" ? "auto" : ret;
7172         };
7175 function setPositiveNumber( elem, value, subtract ) {
7176         var matches = rnumsplit.exec( value );
7177         return matches ?
7178                 // Guard against undefined "subtract", e.g., when used as in cssHooks
7179                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
7180                 value;
7183 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
7184         var i = extra === ( isBorderBox ? "border" : "content" ) ?
7185                 // If we already have the right measurement, avoid augmentation
7186                 4 :
7187                 // Otherwise initialize for horizontal or vertical properties
7188                 name === "width" ? 1 : 0,
7190                 val = 0;
7192         for ( ; i < 4; i += 2 ) {
7193                 // both box models exclude margin, so add it if we want it
7194                 if ( extra === "margin" ) {
7195                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
7196                 }
7198                 if ( isBorderBox ) {
7199                         // border-box includes padding, so remove it if we want content
7200                         if ( extra === "content" ) {
7201                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7202                         }
7204                         // at this point, extra isn't border nor margin, so remove border
7205                         if ( extra !== "margin" ) {
7206                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7207                         }
7208                 } else {
7209                         // at this point, extra isn't content, so add padding
7210                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7212                         // at this point, extra isn't content nor padding, so add border
7213                         if ( extra !== "padding" ) {
7214                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7215                         }
7216                 }
7217         }
7219         return val;
7222 function getWidthOrHeight( elem, name, extra ) {
7224         // Start with offset property, which is equivalent to the border-box value
7225         var valueIsBorderBox = true,
7226                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
7227                 styles = getStyles( elem ),
7228                 isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
7230         // some non-html elements return undefined for offsetWidth, so check for null/undefined
7231         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
7232         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
7233         if ( val <= 0 || val == null ) {
7234                 // Fall back to computed then uncomputed css if necessary
7235                 val = curCSS( elem, name, styles );
7236                 if ( val < 0 || val == null ) {
7237                         val = elem.style[ name ];
7238                 }
7240                 // Computed unit is not pixels. Stop here and return.
7241                 if ( rnumnonpx.test(val) ) {
7242                         return val;
7243                 }
7245                 // we need the check for style in case a browser which returns unreliable values
7246                 // for getComputedStyle silently falls back to the reliable elem.style
7247                 valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
7249                 // Normalize "", auto, and prepare for extra
7250                 val = parseFloat( val ) || 0;
7251         }
7253         // use the active box-sizing model to add/subtract irrelevant styles
7254         return ( val +
7255                 augmentWidthOrHeight(
7256                         elem,
7257                         name,
7258                         extra || ( isBorderBox ? "border" : "content" ),
7259                         valueIsBorderBox,
7260                         styles
7261                 )
7262         ) + "px";
7265 // Try to determine the default display value of an element
7266 function css_defaultDisplay( nodeName ) {
7267         var doc = document,
7268                 display = elemdisplay[ nodeName ];
7270         if ( !display ) {
7271                 display = actualDisplay( nodeName, doc );
7273                 // If the simple way fails, read from inside an iframe
7274                 if ( display === "none" || !display ) {
7275                         // Use the already-created iframe if possible
7276                         iframe = ( iframe ||
7277                                 jQuery("<iframe frameborder='0' width='0' height='0'/>")
7278                                 .css( "cssText", "display:block !important" )
7279                         ).appendTo( doc.documentElement );
7281                         // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
7282                         doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
7283                         doc.write("<!doctype html><html><body>");
7284                         doc.close();
7286                         display = actualDisplay( nodeName, doc );
7287                         iframe.detach();
7288                 }
7290                 // Store the correct default display
7291                 elemdisplay[ nodeName ] = display;
7292         }
7294         return display;
7297 // Called ONLY from within css_defaultDisplay
7298 function actualDisplay( name, doc ) {
7299         var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
7300                 display = jQuery.css( elem[0], "display" );
7301         elem.remove();
7302         return display;
7305 jQuery.each([ "height", "width" ], function( i, name ) {
7306         jQuery.cssHooks[ name ] = {
7307                 get: function( elem, computed, extra ) {
7308                         if ( computed ) {
7309                                 // certain elements can have dimension info if we invisibly show them
7310                                 // however, it must have a current display style that would benefit from this
7311                                 return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
7312                                         jQuery.swap( elem, cssShow, function() {
7313                                                 return getWidthOrHeight( elem, name, extra );
7314                                         }) :
7315                                         getWidthOrHeight( elem, name, extra );
7316                         }
7317                 },
7319                 set: function( elem, value, extra ) {
7320                         var styles = extra && getStyles( elem );
7321                         return setPositiveNumber( elem, value, extra ?
7322                                 augmentWidthOrHeight(
7323                                         elem,
7324                                         name,
7325                                         extra,
7326                                         jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7327                                         styles
7328                                 ) : 0
7329                         );
7330                 }
7331         };
7334 if ( !jQuery.support.opacity ) {
7335         jQuery.cssHooks.opacity = {
7336                 get: function( elem, computed ) {
7337                         // IE uses filters for opacity
7338                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
7339                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
7340                                 computed ? "1" : "";
7341                 },
7343                 set: function( elem, value ) {
7344                         var style = elem.style,
7345                                 currentStyle = elem.currentStyle,
7346                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
7347                                 filter = currentStyle && currentStyle.filter || style.filter || "";
7349                         // IE has trouble with opacity if it does not have layout
7350                         // Force it by setting the zoom level
7351                         style.zoom = 1;
7353                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
7354                         // if value === "", then remove inline opacity #12685
7355                         if ( ( value >= 1 || value === "" ) &&
7356                                         jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
7357                                         style.removeAttribute ) {
7359                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
7360                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
7361                                 // style.removeAttribute is IE Only, but so apparently is this code path...
7362                                 style.removeAttribute( "filter" );
7364                                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
7365                                 if ( value === "" || currentStyle && !currentStyle.filter ) {
7366                                         return;
7367                                 }
7368                         }
7370                         // otherwise, set new filter values
7371                         style.filter = ralpha.test( filter ) ?
7372                                 filter.replace( ralpha, opacity ) :
7373                                 filter + " " + opacity;
7374                 }
7375         };
7378 // These hooks cannot be added until DOM ready because the support test
7379 // for it is not run until after DOM ready
7380 jQuery(function() {
7381         if ( !jQuery.support.reliableMarginRight ) {
7382                 jQuery.cssHooks.marginRight = {
7383                         get: function( elem, computed ) {
7384                                 if ( computed ) {
7385                                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
7386                                         // Work around by temporarily setting element display to inline-block
7387                                         return jQuery.swap( elem, { "display": "inline-block" },
7388                                                 curCSS, [ elem, "marginRight" ] );
7389                                 }
7390                         }
7391                 };
7392         }
7394         // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
7395         // getComputedStyle returns percent when specified for top/left/bottom/right
7396         // rather than make the css module depend on the offset module, we just check for it here
7397         if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
7398                 jQuery.each( [ "top", "left" ], function( i, prop ) {
7399                         jQuery.cssHooks[ prop ] = {
7400                                 get: function( elem, computed ) {
7401                                         if ( computed ) {
7402                                                 computed = curCSS( elem, prop );
7403                                                 // if curCSS returns percentage, fallback to offset
7404                                                 return rnumnonpx.test( computed ) ?
7405                                                         jQuery( elem ).position()[ prop ] + "px" :
7406                                                         computed;
7407                                         }
7408                                 }
7409                         };
7410                 });
7411         }
7415 if ( jQuery.expr && jQuery.expr.filters ) {
7416         jQuery.expr.filters.hidden = function( elem ) {
7417                 // Support: Opera <= 12.12
7418                 // Opera reports offsetWidths and offsetHeights less than zero on some elements
7419                 return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
7420                         (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
7421         };
7423         jQuery.expr.filters.visible = function( elem ) {
7424                 return !jQuery.expr.filters.hidden( elem );
7425         };
7428 // These hooks are used by animate to expand properties
7429 jQuery.each({
7430         margin: "",
7431         padding: "",
7432         border: "Width"
7433 }, function( prefix, suffix ) {
7434         jQuery.cssHooks[ prefix + suffix ] = {
7435                 expand: function( value ) {
7436                         var i = 0,
7437                                 expanded = {},
7439                                 // assumes a single number if not a string
7440                                 parts = typeof value === "string" ? value.split(" ") : [ value ];
7442                         for ( ; i < 4; i++ ) {
7443                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
7444                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7445                         }
7447                         return expanded;
7448                 }
7449         };
7451         if ( !rmargin.test( prefix ) ) {
7452                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7453         }
7455 var r20 = /%20/g,
7456         rbracket = /\[\]$/,
7457         rCRLF = /\r?\n/g,
7458         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7459         rsubmittable = /^(?:input|select|textarea|keygen)/i;
7461 jQuery.fn.extend({
7462         serialize: function() {
7463                 return jQuery.param( this.serializeArray() );
7464         },
7465         serializeArray: function() {
7466                 return this.map(function(){
7467                         // Can add propHook for "elements" to filter or add form elements
7468                         var elements = jQuery.prop( this, "elements" );
7469                         return elements ? jQuery.makeArray( elements ) : this;
7470                 })
7471                 .filter(function(){
7472                         var type = this.type;
7473                         // Use .is(":disabled") so that fieldset[disabled] works
7474                         return this.name && !jQuery( this ).is( ":disabled" ) &&
7475                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7476                                 ( this.checked || !manipulation_rcheckableType.test( type ) );
7477                 })
7478                 .map(function( i, elem ){
7479                         var val = jQuery( this ).val();
7481                         return val == null ?
7482                                 null :
7483                                 jQuery.isArray( val ) ?
7484                                         jQuery.map( val, function( val ){
7485                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7486                                         }) :
7487                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7488                 }).get();
7489         }
7492 //Serialize an array of form elements or a set of
7493 //key/values into a query string
7494 jQuery.param = function( a, traditional ) {
7495         var prefix,
7496                 s = [],
7497                 add = function( key, value ) {
7498                         // If value is a function, invoke it and return its value
7499                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
7500                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
7501                 };
7503         // Set traditional to true for jQuery <= 1.3.2 behavior.
7504         if ( traditional === undefined ) {
7505                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
7506         }
7508         // If an array was passed in, assume that it is an array of form elements.
7509         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7510                 // Serialize the form elements
7511                 jQuery.each( a, function() {
7512                         add( this.name, this.value );
7513                 });
7515         } else {
7516                 // If traditional, encode the "old" way (the way 1.3.2 or older
7517                 // did it), otherwise encode params recursively.
7518                 for ( prefix in a ) {
7519                         buildParams( prefix, a[ prefix ], traditional, add );
7520                 }
7521         }
7523         // Return the resulting serialization
7524         return s.join( "&" ).replace( r20, "+" );
7527 function buildParams( prefix, obj, traditional, add ) {
7528         var name;
7530         if ( jQuery.isArray( obj ) ) {
7531                 // Serialize array item.
7532                 jQuery.each( obj, function( i, v ) {
7533                         if ( traditional || rbracket.test( prefix ) ) {
7534                                 // Treat each array item as a scalar.
7535                                 add( prefix, v );
7537                         } else {
7538                                 // Item is non-scalar (array or object), encode its numeric index.
7539                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
7540                         }
7541                 });
7543         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
7544                 // Serialize object item.
7545                 for ( name in obj ) {
7546                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7547                 }
7549         } else {
7550                 // Serialize scalar item.
7551                 add( prefix, obj );
7552         }
7554 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
7555         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
7556         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
7558         // Handle event binding
7559         jQuery.fn[ name ] = function( data, fn ) {
7560                 return arguments.length > 0 ?
7561                         this.on( name, null, data, fn ) :
7562                         this.trigger( name );
7563         };
7566 jQuery.fn.extend({
7567         hover: function( fnOver, fnOut ) {
7568                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
7569         },
7571         bind: function( types, data, fn ) {
7572                 return this.on( types, null, data, fn );
7573         },
7574         unbind: function( types, fn ) {
7575                 return this.off( types, null, fn );
7576         },
7578         delegate: function( selector, types, data, fn ) {
7579                 return this.on( types, selector, data, fn );
7580         },
7581         undelegate: function( selector, types, fn ) {
7582                 // ( namespace ) or ( selector, types [, fn] )
7583                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
7584         }
7587         // Document location
7588         ajaxLocParts,
7589         ajaxLocation,
7590         ajax_nonce = jQuery.now(),
7592         ajax_rquery = /\?/,
7593         rhash = /#.*$/,
7594         rts = /([?&])_=[^&]*/,
7595         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
7596         // #7653, #8125, #8152: local protocol detection
7597         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
7598         rnoContent = /^(?:GET|HEAD)$/,
7599         rprotocol = /^\/\//,
7600         rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
7602         // Keep a copy of the old load method
7603         _load = jQuery.fn.load,
7605         /* Prefilters
7606          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
7607          * 2) These are called:
7608          *    - BEFORE asking for a transport
7609          *    - AFTER param serialization (s.data is a string if s.processData is true)
7610          * 3) key is the dataType
7611          * 4) the catchall symbol "*" can be used
7612          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
7613          */
7614         prefilters = {},
7616         /* Transports bindings
7617          * 1) key is the dataType
7618          * 2) the catchall symbol "*" can be used
7619          * 3) selection will start with transport dataType and THEN go to "*" if needed
7620          */
7621         transports = {},
7623         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
7624         allTypes = "*/".concat("*");
7626 // #8138, IE may throw an exception when accessing
7627 // a field from window.location if document.domain has been set
7628 try {
7629         ajaxLocation = location.href;
7630 } catch( e ) {
7631         // Use the href attribute of an A element
7632         // since IE will modify it given document.location
7633         ajaxLocation = document.createElement( "a" );
7634         ajaxLocation.href = "";
7635         ajaxLocation = ajaxLocation.href;
7638 // Segment location into parts
7639 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
7641 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
7642 function addToPrefiltersOrTransports( structure ) {
7644         // dataTypeExpression is optional and defaults to "*"
7645         return function( dataTypeExpression, func ) {
7647                 if ( typeof dataTypeExpression !== "string" ) {
7648                         func = dataTypeExpression;
7649                         dataTypeExpression = "*";
7650                 }
7652                 var dataType,
7653                         i = 0,
7654                         dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
7656                 if ( jQuery.isFunction( func ) ) {
7657                         // For each dataType in the dataTypeExpression
7658                         while ( (dataType = dataTypes[i++]) ) {
7659                                 // Prepend if requested
7660                                 if ( dataType[0] === "+" ) {
7661                                         dataType = dataType.slice( 1 ) || "*";
7662                                         (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
7664                                 // Otherwise append
7665                                 } else {
7666                                         (structure[ dataType ] = structure[ dataType ] || []).push( func );
7667                                 }
7668                         }
7669                 }
7670         };
7673 // Base inspection function for prefilters and transports
7674 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
7676         var inspected = {},
7677                 seekingTransport = ( structure === transports );
7679         function inspect( dataType ) {
7680                 var selected;
7681                 inspected[ dataType ] = true;
7682                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
7683                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
7684                         if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
7685                                 options.dataTypes.unshift( dataTypeOrTransport );
7686                                 inspect( dataTypeOrTransport );
7687                                 return false;
7688                         } else if ( seekingTransport ) {
7689                                 return !( selected = dataTypeOrTransport );
7690                         }
7691                 });
7692                 return selected;
7693         }
7695         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
7698 // A special extend for ajax options
7699 // that takes "flat" options (not to be deep extended)
7700 // Fixes #9887
7701 function ajaxExtend( target, src ) {
7702         var deep, key,
7703                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
7705         for ( key in src ) {
7706                 if ( src[ key ] !== undefined ) {
7707                         ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
7708                 }
7709         }
7710         if ( deep ) {
7711                 jQuery.extend( true, target, deep );
7712         }
7714         return target;
7717 jQuery.fn.load = function( url, params, callback ) {
7718         if ( typeof url !== "string" && _load ) {
7719                 return _load.apply( this, arguments );
7720         }
7722         var selector, response, type,
7723                 self = this,
7724                 off = url.indexOf(" ");
7726         if ( off >= 0 ) {
7727                 selector = url.slice( off, url.length );
7728                 url = url.slice( 0, off );
7729         }
7731         // If it's a function
7732         if ( jQuery.isFunction( params ) ) {
7734                 // We assume that it's the callback
7735                 callback = params;
7736                 params = undefined;
7738         // Otherwise, build a param string
7739         } else if ( params && typeof params === "object" ) {
7740                 type = "POST";
7741         }
7743         // If we have elements to modify, make the request
7744         if ( self.length > 0 ) {
7745                 jQuery.ajax({
7746                         url: url,
7748                         // if "type" variable is undefined, then "GET" method will be used
7749                         type: type,
7750                         dataType: "html",
7751                         data: params
7752                 }).done(function( responseText ) {
7754                         // Save response for use in complete callback
7755                         response = arguments;
7757                         self.html( selector ?
7759                                 // If a selector was specified, locate the right elements in a dummy div
7760                                 // Exclude scripts to avoid IE 'Permission Denied' errors
7761                                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
7763                                 // Otherwise use the full result
7764                                 responseText );
7766                 }).complete( callback && function( jqXHR, status ) {
7767                         self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
7768                 });
7769         }
7771         return this;
7774 // Attach a bunch of functions for handling common AJAX events
7775 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
7776         jQuery.fn[ type ] = function( fn ){
7777                 return this.on( type, fn );
7778         };
7781 jQuery.extend({
7783         // Counter for holding the number of active queries
7784         active: 0,
7786         // Last-Modified header cache for next request
7787         lastModified: {},
7788         etag: {},
7790         ajaxSettings: {
7791                 url: ajaxLocation,
7792                 type: "GET",
7793                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
7794                 global: true,
7795                 processData: true,
7796                 async: true,
7797                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
7798                 /*
7799                 timeout: 0,
7800                 data: null,
7801                 dataType: null,
7802                 username: null,
7803                 password: null,
7804                 cache: null,
7805                 throws: false,
7806                 traditional: false,
7807                 headers: {},
7808                 */
7810                 accepts: {
7811                         "*": allTypes,
7812                         text: "text/plain",
7813                         html: "text/html",
7814                         xml: "application/xml, text/xml",
7815                         json: "application/json, text/javascript"
7816                 },
7818                 contents: {
7819                         xml: /xml/,
7820                         html: /html/,
7821                         json: /json/
7822                 },
7824                 responseFields: {
7825                         xml: "responseXML",
7826                         text: "responseText",
7827                         json: "responseJSON"
7828                 },
7830                 // Data converters
7831                 // Keys separate source (or catchall "*") and destination types with a single space
7832                 converters: {
7834                         // Convert anything to text
7835                         "* text": String,
7837                         // Text to html (true = no transformation)
7838                         "text html": true,
7840                         // Evaluate text as a json expression
7841                         "text json": jQuery.parseJSON,
7843                         // Parse text as xml
7844                         "text xml": jQuery.parseXML
7845                 },
7847                 // For options that shouldn't be deep extended:
7848                 // you can add your own custom options here if
7849                 // and when you create one that shouldn't be
7850                 // deep extended (see ajaxExtend)
7851                 flatOptions: {
7852                         url: true,
7853                         context: true
7854                 }
7855         },
7857         // Creates a full fledged settings object into target
7858         // with both ajaxSettings and settings fields.
7859         // If target is omitted, writes into ajaxSettings.
7860         ajaxSetup: function( target, settings ) {
7861                 return settings ?
7863                         // Building a settings object
7864                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
7866                         // Extending ajaxSettings
7867                         ajaxExtend( jQuery.ajaxSettings, target );
7868         },
7870         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
7871         ajaxTransport: addToPrefiltersOrTransports( transports ),
7873         // Main method
7874         ajax: function( url, options ) {
7876                 // If url is an object, simulate pre-1.5 signature
7877                 if ( typeof url === "object" ) {
7878                         options = url;
7879                         url = undefined;
7880                 }
7882                 // Force options to be an object
7883                 options = options || {};
7885                 var // Cross-domain detection vars
7886                         parts,
7887                         // Loop variable
7888                         i,
7889                         // URL without anti-cache param
7890                         cacheURL,
7891                         // Response headers as string
7892                         responseHeadersString,
7893                         // timeout handle
7894                         timeoutTimer,
7896                         // To know if global events are to be dispatched
7897                         fireGlobals,
7899                         transport,
7900                         // Response headers
7901                         responseHeaders,
7902                         // Create the final options object
7903                         s = jQuery.ajaxSetup( {}, options ),
7904                         // Callbacks context
7905                         callbackContext = s.context || s,
7906                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
7907                         globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
7908                                 jQuery( callbackContext ) :
7909                                 jQuery.event,
7910                         // Deferreds
7911                         deferred = jQuery.Deferred(),
7912                         completeDeferred = jQuery.Callbacks("once memory"),
7913                         // Status-dependent callbacks
7914                         statusCode = s.statusCode || {},
7915                         // Headers (they are sent all at once)
7916                         requestHeaders = {},
7917                         requestHeadersNames = {},
7918                         // The jqXHR state
7919                         state = 0,
7920                         // Default abort message
7921                         strAbort = "canceled",
7922                         // Fake xhr
7923                         jqXHR = {
7924                                 readyState: 0,
7926                                 // Builds headers hashtable if needed
7927                                 getResponseHeader: function( key ) {
7928                                         var match;
7929                                         if ( state === 2 ) {
7930                                                 if ( !responseHeaders ) {
7931                                                         responseHeaders = {};
7932                                                         while ( (match = rheaders.exec( responseHeadersString )) ) {
7933                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
7934                                                         }
7935                                                 }
7936                                                 match = responseHeaders[ key.toLowerCase() ];
7937                                         }
7938                                         return match == null ? null : match;
7939                                 },
7941                                 // Raw string
7942                                 getAllResponseHeaders: function() {
7943                                         return state === 2 ? responseHeadersString : null;
7944                                 },
7946                                 // Caches the header
7947                                 setRequestHeader: function( name, value ) {
7948                                         var lname = name.toLowerCase();
7949                                         if ( !state ) {
7950                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
7951                                                 requestHeaders[ name ] = value;
7952                                         }
7953                                         return this;
7954                                 },
7956                                 // Overrides response content-type header
7957                                 overrideMimeType: function( type ) {
7958                                         if ( !state ) {
7959                                                 s.mimeType = type;
7960                                         }
7961                                         return this;
7962                                 },
7964                                 // Status-dependent callbacks
7965                                 statusCode: function( map ) {
7966                                         var code;
7967                                         if ( map ) {
7968                                                 if ( state < 2 ) {
7969                                                         for ( code in map ) {
7970                                                                 // Lazy-add the new callback in a way that preserves old ones
7971                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
7972                                                         }
7973                                                 } else {
7974                                                         // Execute the appropriate callbacks
7975                                                         jqXHR.always( map[ jqXHR.status ] );
7976                                                 }
7977                                         }
7978                                         return this;
7979                                 },
7981                                 // Cancel the request
7982                                 abort: function( statusText ) {
7983                                         var finalText = statusText || strAbort;
7984                                         if ( transport ) {
7985                                                 transport.abort( finalText );
7986                                         }
7987                                         done( 0, finalText );
7988                                         return this;
7989                                 }
7990                         };
7992                 // Attach deferreds
7993                 deferred.promise( jqXHR ).complete = completeDeferred.add;
7994                 jqXHR.success = jqXHR.done;
7995                 jqXHR.error = jqXHR.fail;
7997                 // Remove hash character (#7531: and string promotion)
7998                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
7999                 // Handle falsy url in the settings object (#10093: consistency with old signature)
8000                 // We also use the url parameter if available
8001                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
8003                 // Alias method option to type as per ticket #12004
8004                 s.type = options.method || options.type || s.method || s.type;
8006                 // Extract dataTypes list
8007                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
8009                 // A cross-domain request is in order when we have a protocol:host:port mismatch
8010                 if ( s.crossDomain == null ) {
8011                         parts = rurl.exec( s.url.toLowerCase() );
8012                         s.crossDomain = !!( parts &&
8013                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
8014                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
8015                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
8016                         );
8017                 }
8019                 // Convert data if not already a string
8020                 if ( s.data && s.processData && typeof s.data !== "string" ) {
8021                         s.data = jQuery.param( s.data, s.traditional );
8022                 }
8024                 // Apply prefilters
8025                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
8027                 // If request was aborted inside a prefilter, stop there
8028                 if ( state === 2 ) {
8029                         return jqXHR;
8030                 }
8032                 // We can fire global events as of now if asked to
8033                 fireGlobals = s.global;
8035                 // Watch for a new set of requests
8036                 if ( fireGlobals && jQuery.active++ === 0 ) {
8037                         jQuery.event.trigger("ajaxStart");
8038                 }
8040                 // Uppercase the type
8041                 s.type = s.type.toUpperCase();
8043                 // Determine if request has content
8044                 s.hasContent = !rnoContent.test( s.type );
8046                 // Save the URL in case we're toying with the If-Modified-Since
8047                 // and/or If-None-Match header later on
8048                 cacheURL = s.url;
8050                 // More options handling for requests with no content
8051                 if ( !s.hasContent ) {
8053                         // If data is available, append data to url
8054                         if ( s.data ) {
8055                                 cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
8056                                 // #9682: remove data so that it's not used in an eventual retry
8057                                 delete s.data;
8058                         }
8060                         // Add anti-cache in url if needed
8061                         if ( s.cache === false ) {
8062                                 s.url = rts.test( cacheURL ) ?
8064                                         // If there is already a '_' parameter, set its value
8065                                         cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
8067                                         // Otherwise add one to the end
8068                                         cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
8069                         }
8070                 }
8072                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8073                 if ( s.ifModified ) {
8074                         if ( jQuery.lastModified[ cacheURL ] ) {
8075                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
8076                         }
8077                         if ( jQuery.etag[ cacheURL ] ) {
8078                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
8079                         }
8080                 }
8082                 // Set the correct header, if data is being sent
8083                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
8084                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
8085                 }
8087                 // Set the Accepts header for the server, depending on the dataType
8088                 jqXHR.setRequestHeader(
8089                         "Accept",
8090                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
8091                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
8092                                 s.accepts[ "*" ]
8093                 );
8095                 // Check for headers option
8096                 for ( i in s.headers ) {
8097                         jqXHR.setRequestHeader( i, s.headers[ i ] );
8098                 }
8100                 // Allow custom headers/mimetypes and early abort
8101                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
8102                         // Abort if not done already and return
8103                         return jqXHR.abort();
8104                 }
8106                 // aborting is no longer a cancellation
8107                 strAbort = "abort";
8109                 // Install callbacks on deferreds
8110                 for ( i in { success: 1, error: 1, complete: 1 } ) {
8111                         jqXHR[ i ]( s[ i ] );
8112                 }
8114                 // Get transport
8115                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
8117                 // If no transport, we auto-abort
8118                 if ( !transport ) {
8119                         done( -1, "No Transport" );
8120                 } else {
8121                         jqXHR.readyState = 1;
8123                         // Send global event
8124                         if ( fireGlobals ) {
8125                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
8126                         }
8127                         // Timeout
8128                         if ( s.async && s.timeout > 0 ) {
8129                                 timeoutTimer = setTimeout(function() {
8130                                         jqXHR.abort("timeout");
8131                                 }, s.timeout );
8132                         }
8134                         try {
8135                                 state = 1;
8136                                 transport.send( requestHeaders, done );
8137                         } catch ( e ) {
8138                                 // Propagate exception as error if not done
8139                                 if ( state < 2 ) {
8140                                         done( -1, e );
8141                                 // Simply rethrow otherwise
8142                                 } else {
8143                                         throw e;
8144                                 }
8145                         }
8146                 }
8148                 // Callback for when everything is done
8149                 function done( status, nativeStatusText, responses, headers ) {
8150                         var isSuccess, success, error, response, modified,
8151                                 statusText = nativeStatusText;
8153                         // Called once
8154                         if ( state === 2 ) {
8155                                 return;
8156                         }
8158                         // State is "done" now
8159                         state = 2;
8161                         // Clear timeout if it exists
8162                         if ( timeoutTimer ) {
8163                                 clearTimeout( timeoutTimer );
8164                         }
8166                         // Dereference transport for early garbage collection
8167                         // (no matter how long the jqXHR object will be used)
8168                         transport = undefined;
8170                         // Cache response headers
8171                         responseHeadersString = headers || "";
8173                         // Set readyState
8174                         jqXHR.readyState = status > 0 ? 4 : 0;
8176                         // Determine if successful
8177                         isSuccess = status >= 200 && status < 300 || status === 304;
8179                         // Get response data
8180                         if ( responses ) {
8181                                 response = ajaxHandleResponses( s, jqXHR, responses );
8182                         }
8184                         // Convert no matter what (that way responseXXX fields are always set)
8185                         response = ajaxConvert( s, response, jqXHR, isSuccess );
8187                         // If successful, handle type chaining
8188                         if ( isSuccess ) {
8190                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8191                                 if ( s.ifModified ) {
8192                                         modified = jqXHR.getResponseHeader("Last-Modified");
8193                                         if ( modified ) {
8194                                                 jQuery.lastModified[ cacheURL ] = modified;
8195                                         }
8196                                         modified = jqXHR.getResponseHeader("etag");
8197                                         if ( modified ) {
8198                                                 jQuery.etag[ cacheURL ] = modified;
8199                                         }
8200                                 }
8202                                 // if no content
8203                                 if ( status === 204 || s.type === "HEAD" ) {
8204                                         statusText = "nocontent";
8206                                 // if not modified
8207                                 } else if ( status === 304 ) {
8208                                         statusText = "notmodified";
8210                                 // If we have data, let's convert it
8211                                 } else {
8212                                         statusText = response.state;
8213                                         success = response.data;
8214                                         error = response.error;
8215                                         isSuccess = !error;
8216                                 }
8217                         } else {
8218                                 // We extract error from statusText
8219                                 // then normalize statusText and status for non-aborts
8220                                 error = statusText;
8221                                 if ( status || !statusText ) {
8222                                         statusText = "error";
8223                                         if ( status < 0 ) {
8224                                                 status = 0;
8225                                         }
8226                                 }
8227                         }
8229                         // Set data for the fake xhr object
8230                         jqXHR.status = status;
8231                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
8233                         // Success/Error
8234                         if ( isSuccess ) {
8235                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
8236                         } else {
8237                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
8238                         }
8240                         // Status-dependent callbacks
8241                         jqXHR.statusCode( statusCode );
8242                         statusCode = undefined;
8244                         if ( fireGlobals ) {
8245                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
8246                                         [ jqXHR, s, isSuccess ? success : error ] );
8247                         }
8249                         // Complete
8250                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
8252                         if ( fireGlobals ) {
8253                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
8254                                 // Handle the global AJAX counter
8255                                 if ( !( --jQuery.active ) ) {
8256                                         jQuery.event.trigger("ajaxStop");
8257                                 }
8258                         }
8259                 }
8261                 return jqXHR;
8262         },
8264         getJSON: function( url, data, callback ) {
8265                 return jQuery.get( url, data, callback, "json" );
8266         },
8268         getScript: function( url, callback ) {
8269                 return jQuery.get( url, undefined, callback, "script" );
8270         }
8273 jQuery.each( [ "get", "post" ], function( i, method ) {
8274         jQuery[ method ] = function( url, data, callback, type ) {
8275                 // shift arguments if data argument was omitted
8276                 if ( jQuery.isFunction( data ) ) {
8277                         type = type || callback;
8278                         callback = data;
8279                         data = undefined;
8280                 }
8282                 return jQuery.ajax({
8283                         url: url,
8284                         type: method,
8285                         dataType: type,
8286                         data: data,
8287                         success: callback
8288                 });
8289         };
8292 /* Handles responses to an ajax request:
8293  * - finds the right dataType (mediates between content-type and expected dataType)
8294  * - returns the corresponding response
8295  */
8296 function ajaxHandleResponses( s, jqXHR, responses ) {
8297         var firstDataType, ct, finalDataType, type,
8298                 contents = s.contents,
8299                 dataTypes = s.dataTypes;
8301         // Remove auto dataType and get content-type in the process
8302         while( dataTypes[ 0 ] === "*" ) {
8303                 dataTypes.shift();
8304                 if ( ct === undefined ) {
8305                         ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8306                 }
8307         }
8309         // Check if we're dealing with a known content-type
8310         if ( ct ) {
8311                 for ( type in contents ) {
8312                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8313                                 dataTypes.unshift( type );
8314                                 break;
8315                         }
8316                 }
8317         }
8319         // Check to see if we have a response for the expected dataType
8320         if ( dataTypes[ 0 ] in responses ) {
8321                 finalDataType = dataTypes[ 0 ];
8322         } else {
8323                 // Try convertible dataTypes
8324                 for ( type in responses ) {
8325                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8326                                 finalDataType = type;
8327                                 break;
8328                         }
8329                         if ( !firstDataType ) {
8330                                 firstDataType = type;
8331                         }
8332                 }
8333                 // Or just use first one
8334                 finalDataType = finalDataType || firstDataType;
8335         }
8337         // If we found a dataType
8338         // We add the dataType to the list if needed
8339         // and return the corresponding response
8340         if ( finalDataType ) {
8341                 if ( finalDataType !== dataTypes[ 0 ] ) {
8342                         dataTypes.unshift( finalDataType );
8343                 }
8344                 return responses[ finalDataType ];
8345         }
8348 /* Chain conversions given the request and the original response
8349  * Also sets the responseXXX fields on the jqXHR instance
8350  */
8351 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8352         var conv2, current, conv, tmp, prev,
8353                 converters = {},
8354                 // Work with a copy of dataTypes in case we need to modify it for conversion
8355                 dataTypes = s.dataTypes.slice();
8357         // Create converters map with lowercased keys
8358         if ( dataTypes[ 1 ] ) {
8359                 for ( conv in s.converters ) {
8360                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8361                 }
8362         }
8364         current = dataTypes.shift();
8366         // Convert to each sequential dataType
8367         while ( current ) {
8369                 if ( s.responseFields[ current ] ) {
8370                         jqXHR[ s.responseFields[ current ] ] = response;
8371                 }
8373                 // Apply the dataFilter if provided
8374                 if ( !prev && isSuccess && s.dataFilter ) {
8375                         response = s.dataFilter( response, s.dataType );
8376                 }
8378                 prev = current;
8379                 current = dataTypes.shift();
8381                 if ( current ) {
8383                         // There's only work to do if current dataType is non-auto
8384                         if ( current === "*" ) {
8386                                 current = prev;
8388                         // Convert response if prev dataType is non-auto and differs from current
8389                         } else if ( prev !== "*" && prev !== current ) {
8391                                 // Seek a direct converter
8392                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8394                                 // If none found, seek a pair
8395                                 if ( !conv ) {
8396                                         for ( conv2 in converters ) {
8398                                                 // If conv2 outputs current
8399                                                 tmp = conv2.split( " " );
8400                                                 if ( tmp[ 1 ] === current ) {
8402                                                         // If prev can be converted to accepted input
8403                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8404                                                                 converters[ "* " + tmp[ 0 ] ];
8405                                                         if ( conv ) {
8406                                                                 // Condense equivalence converters
8407                                                                 if ( conv === true ) {
8408                                                                         conv = converters[ conv2 ];
8410                                                                 // Otherwise, insert the intermediate dataType
8411                                                                 } else if ( converters[ conv2 ] !== true ) {
8412                                                                         current = tmp[ 0 ];
8413                                                                         dataTypes.unshift( tmp[ 1 ] );
8414                                                                 }
8415                                                                 break;
8416                                                         }
8417                                                 }
8418                                         }
8419                                 }
8421                                 // Apply converter (if not an equivalence)
8422                                 if ( conv !== true ) {
8424                                         // Unless errors are allowed to bubble, catch and return them
8425                                         if ( conv && s[ "throws" ] ) {
8426                                                 response = conv( response );
8427                                         } else {
8428                                                 try {
8429                                                         response = conv( response );
8430                                                 } catch ( e ) {
8431                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8432                                                 }
8433                                         }
8434                                 }
8435                         }
8436                 }
8437         }
8439         return { state: "success", data: response };
8441 // Install script dataType
8442 jQuery.ajaxSetup({
8443         accepts: {
8444                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
8445         },
8446         contents: {
8447                 script: /(?:java|ecma)script/
8448         },
8449         converters: {
8450                 "text script": function( text ) {
8451                         jQuery.globalEval( text );
8452                         return text;
8453                 }
8454         }
8457 // Handle cache's special case and global
8458 jQuery.ajaxPrefilter( "script", function( s ) {
8459         if ( s.cache === undefined ) {
8460                 s.cache = false;
8461         }
8462         if ( s.crossDomain ) {
8463                 s.type = "GET";
8464                 s.global = false;
8465         }
8468 // Bind script tag hack transport
8469 jQuery.ajaxTransport( "script", function(s) {
8471         // This transport only deals with cross domain requests
8472         if ( s.crossDomain ) {
8474                 var script,
8475                         head = document.head || jQuery("head")[0] || document.documentElement;
8477                 return {
8479                         send: function( _, callback ) {
8481                                 script = document.createElement("script");
8483                                 script.async = true;
8485                                 if ( s.scriptCharset ) {
8486                                         script.charset = s.scriptCharset;
8487                                 }
8489                                 script.src = s.url;
8491                                 // Attach handlers for all browsers
8492                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
8494                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
8496                                                 // Handle memory leak in IE
8497                                                 script.onload = script.onreadystatechange = null;
8499                                                 // Remove the script
8500                                                 if ( script.parentNode ) {
8501                                                         script.parentNode.removeChild( script );
8502                                                 }
8504                                                 // Dereference the script
8505                                                 script = null;
8507                                                 // Callback if not abort
8508                                                 if ( !isAbort ) {
8509                                                         callback( 200, "success" );
8510                                                 }
8511                                         }
8512                                 };
8514                                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
8515                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
8516                                 head.insertBefore( script, head.firstChild );
8517                         },
8519                         abort: function() {
8520                                 if ( script ) {
8521                                         script.onload( undefined, true );
8522                                 }
8523                         }
8524                 };
8525         }
8527 var oldCallbacks = [],
8528         rjsonp = /(=)\?(?=&|$)|\?\?/;
8530 // Default jsonp settings
8531 jQuery.ajaxSetup({
8532         jsonp: "callback",
8533         jsonpCallback: function() {
8534                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
8535                 this[ callback ] = true;
8536                 return callback;
8537         }
8540 // Detect, normalize options and install callbacks for jsonp requests
8541 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
8543         var callbackName, overwritten, responseContainer,
8544                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
8545                         "url" :
8546                         typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
8547                 );
8549         // Handle iff the expected data type is "jsonp" or we have a parameter to set
8550         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
8552                 // Get callback name, remembering preexisting value associated with it
8553                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
8554                         s.jsonpCallback() :
8555                         s.jsonpCallback;
8557                 // Insert callback into url or form data
8558                 if ( jsonProp ) {
8559                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
8560                 } else if ( s.jsonp !== false ) {
8561                         s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
8562                 }
8564                 // Use data converter to retrieve json after script execution
8565                 s.converters["script json"] = function() {
8566                         if ( !responseContainer ) {
8567                                 jQuery.error( callbackName + " was not called" );
8568                         }
8569                         return responseContainer[ 0 ];
8570                 };
8572                 // force json dataType
8573                 s.dataTypes[ 0 ] = "json";
8575                 // Install callback
8576                 overwritten = window[ callbackName ];
8577                 window[ callbackName ] = function() {
8578                         responseContainer = arguments;
8579                 };
8581                 // Clean-up function (fires after converters)
8582                 jqXHR.always(function() {
8583                         // Restore preexisting value
8584                         window[ callbackName ] = overwritten;
8586                         // Save back as free
8587                         if ( s[ callbackName ] ) {
8588                                 // make sure that re-using the options doesn't screw things around
8589                                 s.jsonpCallback = originalSettings.jsonpCallback;
8591                                 // save the callback name for future use
8592                                 oldCallbacks.push( callbackName );
8593                         }
8595                         // Call if it was a function and we have a response
8596                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
8597                                 overwritten( responseContainer[ 0 ] );
8598                         }
8600                         responseContainer = overwritten = undefined;
8601                 });
8603                 // Delegate to script
8604                 return "script";
8605         }
8607 var xhrCallbacks, xhrSupported,
8608         xhrId = 0,
8609         // #5280: Internet Explorer will keep connections alive if we don't abort on unload
8610         xhrOnUnloadAbort = window.ActiveXObject && function() {
8611                 // Abort all pending requests
8612                 var key;
8613                 for ( key in xhrCallbacks ) {
8614                         xhrCallbacks[ key ]( undefined, true );
8615                 }
8616         };
8618 // Functions to create xhrs
8619 function createStandardXHR() {
8620         try {
8621                 return new window.XMLHttpRequest();
8622         } catch( e ) {}
8625 function createActiveXHR() {
8626         try {
8627                 return new window.ActiveXObject("Microsoft.XMLHTTP");
8628         } catch( e ) {}
8631 // Create the request object
8632 // (This is still attached to ajaxSettings for backward compatibility)
8633 jQuery.ajaxSettings.xhr = window.ActiveXObject ?
8634         /* Microsoft failed to properly
8635          * implement the XMLHttpRequest in IE7 (can't request local files),
8636          * so we use the ActiveXObject when it is available
8637          * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
8638          * we need a fallback.
8639          */
8640         function() {
8641                 return !this.isLocal && createStandardXHR() || createActiveXHR();
8642         } :
8643         // For all other browsers, use the standard XMLHttpRequest object
8644         createStandardXHR;
8646 // Determine support properties
8647 xhrSupported = jQuery.ajaxSettings.xhr();
8648 jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
8649 xhrSupported = jQuery.support.ajax = !!xhrSupported;
8651 // Create transport if the browser can provide an xhr
8652 if ( xhrSupported ) {
8654         jQuery.ajaxTransport(function( s ) {
8655                 // Cross domain only allowed if supported through XMLHttpRequest
8656                 if ( !s.crossDomain || jQuery.support.cors ) {
8658                         var callback;
8660                         return {
8661                                 send: function( headers, complete ) {
8663                                         // Get a new xhr
8664                                         var handle, i,
8665                                                 xhr = s.xhr();
8667                                         // Open the socket
8668                                         // Passing null username, generates a login popup on Opera (#2865)
8669                                         if ( s.username ) {
8670                                                 xhr.open( s.type, s.url, s.async, s.username, s.password );
8671                                         } else {
8672                                                 xhr.open( s.type, s.url, s.async );
8673                                         }
8675                                         // Apply custom fields if provided
8676                                         if ( s.xhrFields ) {
8677                                                 for ( i in s.xhrFields ) {
8678                                                         xhr[ i ] = s.xhrFields[ i ];
8679                                                 }
8680                                         }
8682                                         // Override mime type if needed
8683                                         if ( s.mimeType && xhr.overrideMimeType ) {
8684                                                 xhr.overrideMimeType( s.mimeType );
8685                                         }
8687                                         // X-Requested-With header
8688                                         // For cross-domain requests, seeing as conditions for a preflight are
8689                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
8690                                         // (it can always be set on a per-request basis or even using ajaxSetup)
8691                                         // For same-domain requests, won't change header if already provided.
8692                                         if ( !s.crossDomain && !headers["X-Requested-With"] ) {
8693                                                 headers["X-Requested-With"] = "XMLHttpRequest";
8694                                         }
8696                                         // Need an extra try/catch for cross domain requests in Firefox 3
8697                                         try {
8698                                                 for ( i in headers ) {
8699                                                         xhr.setRequestHeader( i, headers[ i ] );
8700                                                 }
8701                                         } catch( err ) {}
8703                                         // Do send the request
8704                                         // This may raise an exception which is actually
8705                                         // handled in jQuery.ajax (so no try/catch here)
8706                                         xhr.send( ( s.hasContent && s.data ) || null );
8708                                         // Listener
8709                                         callback = function( _, isAbort ) {
8710                                                 var status, responseHeaders, statusText, responses;
8712                                                 // Firefox throws exceptions when accessing properties
8713                                                 // of an xhr when a network error occurred
8714                                                 // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
8715                                                 try {
8717                                                         // Was never called and is aborted or complete
8718                                                         if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
8720                                                                 // Only called once
8721                                                                 callback = undefined;
8723                                                                 // Do not keep as active anymore
8724                                                                 if ( handle ) {
8725                                                                         xhr.onreadystatechange = jQuery.noop;
8726                                                                         if ( xhrOnUnloadAbort ) {
8727                                                                                 delete xhrCallbacks[ handle ];
8728                                                                         }
8729                                                                 }
8731                                                                 // If it's an abort
8732                                                                 if ( isAbort ) {
8733                                                                         // Abort it manually if needed
8734                                                                         if ( xhr.readyState !== 4 ) {
8735                                                                                 xhr.abort();
8736                                                                         }
8737                                                                 } else {
8738                                                                         responses = {};
8739                                                                         status = xhr.status;
8740                                                                         responseHeaders = xhr.getAllResponseHeaders();
8742                                                                         // When requesting binary data, IE6-9 will throw an exception
8743                                                                         // on any attempt to access responseText (#11426)
8744                                                                         if ( typeof xhr.responseText === "string" ) {
8745                                                                                 responses.text = xhr.responseText;
8746                                                                         }
8748                                                                         // Firefox throws an exception when accessing
8749                                                                         // statusText for faulty cross-domain requests
8750                                                                         try {
8751                                                                                 statusText = xhr.statusText;
8752                                                                         } catch( e ) {
8753                                                                                 // We normalize with Webkit giving an empty statusText
8754                                                                                 statusText = "";
8755                                                                         }
8757                                                                         // Filter status for non standard behaviors
8759                                                                         // If the request is local and we have data: assume a success
8760                                                                         // (success with no data won't get notified, that's the best we
8761                                                                         // can do given current implementations)
8762                                                                         if ( !status && s.isLocal && !s.crossDomain ) {
8763                                                                                 status = responses.text ? 200 : 404;
8764                                                                         // IE - #1450: sometimes returns 1223 when it should be 204
8765                                                                         } else if ( status === 1223 ) {
8766                                                                                 status = 204;
8767                                                                         }
8768                                                                 }
8769                                                         }
8770                                                 } catch( firefoxAccessException ) {
8771                                                         if ( !isAbort ) {
8772                                                                 complete( -1, firefoxAccessException );
8773                                                         }
8774                                                 }
8776                                                 // Call complete if needed
8777                                                 if ( responses ) {
8778                                                         complete( status, statusText, responses, responseHeaders );
8779                                                 }
8780                                         };
8782                                         if ( !s.async ) {
8783                                                 // if we're in sync mode we fire the callback
8784                                                 callback();
8785                                         } else if ( xhr.readyState === 4 ) {
8786                                                 // (IE6 & IE7) if it's in cache and has been
8787                                                 // retrieved directly we need to fire the callback
8788                                                 setTimeout( callback );
8789                                         } else {
8790                                                 handle = ++xhrId;
8791                                                 if ( xhrOnUnloadAbort ) {
8792                                                         // Create the active xhrs callbacks list if needed
8793                                                         // and attach the unload handler
8794                                                         if ( !xhrCallbacks ) {
8795                                                                 xhrCallbacks = {};
8796                                                                 jQuery( window ).unload( xhrOnUnloadAbort );
8797                                                         }
8798                                                         // Add to list of active xhrs callbacks
8799                                                         xhrCallbacks[ handle ] = callback;
8800                                                 }
8801                                                 xhr.onreadystatechange = callback;
8802                                         }
8803                                 },
8805                                 abort: function() {
8806                                         if ( callback ) {
8807                                                 callback( undefined, true );
8808                                         }
8809                                 }
8810                         };
8811                 }
8812         });
8814 var fxNow, timerId,
8815         rfxtypes = /^(?:toggle|show|hide)$/,
8816         rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
8817         rrun = /queueHooks$/,
8818         animationPrefilters = [ defaultPrefilter ],
8819         tweeners = {
8820                 "*": [function( prop, value ) {
8821                         var tween = this.createTween( prop, value ),
8822                                 target = tween.cur(),
8823                                 parts = rfxnum.exec( value ),
8824                                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
8826                                 // Starting value computation is required for potential unit mismatches
8827                                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
8828                                         rfxnum.exec( jQuery.css( tween.elem, prop ) ),
8829                                 scale = 1,
8830                                 maxIterations = 20;
8832                         if ( start && start[ 3 ] !== unit ) {
8833                                 // Trust units reported by jQuery.css
8834                                 unit = unit || start[ 3 ];
8836                                 // Make sure we update the tween properties later on
8837                                 parts = parts || [];
8839                                 // Iteratively approximate from a nonzero starting point
8840                                 start = +target || 1;
8842                                 do {
8843                                         // If previous iteration zeroed out, double until we get *something*
8844                                         // Use a string for doubling factor so we don't accidentally see scale as unchanged below
8845                                         scale = scale || ".5";
8847                                         // Adjust and apply
8848                                         start = start / scale;
8849                                         jQuery.style( tween.elem, prop, start + unit );
8851                                 // Update scale, tolerating zero or NaN from tween.cur()
8852                                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
8853                                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
8854                         }
8856                         // Update tween properties
8857                         if ( parts ) {
8858                                 start = tween.start = +start || +target || 0;
8859                                 tween.unit = unit;
8860                                 // If a +=/-= token was provided, we're doing a relative animation
8861                                 tween.end = parts[ 1 ] ?
8862                                         start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
8863                                         +parts[ 2 ];
8864                         }
8866                         return tween;
8867                 }]
8868         };
8870 // Animations created synchronously will run synchronously
8871 function createFxNow() {
8872         setTimeout(function() {
8873                 fxNow = undefined;
8874         });
8875         return ( fxNow = jQuery.now() );
8878 function createTween( value, prop, animation ) {
8879         var tween,
8880                 collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
8881                 index = 0,
8882                 length = collection.length;
8883         for ( ; index < length; index++ ) {
8884                 if ( (tween = collection[ index ].call( animation, prop, value )) ) {
8886                         // we're done with this property
8887                         return tween;
8888                 }
8889         }
8892 function Animation( elem, properties, options ) {
8893         var result,
8894                 stopped,
8895                 index = 0,
8896                 length = animationPrefilters.length,
8897                 deferred = jQuery.Deferred().always( function() {
8898                         // don't match elem in the :animated selector
8899                         delete tick.elem;
8900                 }),
8901                 tick = function() {
8902                         if ( stopped ) {
8903                                 return false;
8904                         }
8905                         var currentTime = fxNow || createFxNow(),
8906                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
8907                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
8908                                 temp = remaining / animation.duration || 0,
8909                                 percent = 1 - temp,
8910                                 index = 0,
8911                                 length = animation.tweens.length;
8913                         for ( ; index < length ; index++ ) {
8914                                 animation.tweens[ index ].run( percent );
8915                         }
8917                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
8919                         if ( percent < 1 && length ) {
8920                                 return remaining;
8921                         } else {
8922                                 deferred.resolveWith( elem, [ animation ] );
8923                                 return false;
8924                         }
8925                 },
8926                 animation = deferred.promise({
8927                         elem: elem,
8928                         props: jQuery.extend( {}, properties ),
8929                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
8930                         originalProperties: properties,
8931                         originalOptions: options,
8932                         startTime: fxNow || createFxNow(),
8933                         duration: options.duration,
8934                         tweens: [],
8935                         createTween: function( prop, end ) {
8936                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
8937                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
8938                                 animation.tweens.push( tween );
8939                                 return tween;
8940                         },
8941                         stop: function( gotoEnd ) {
8942                                 var index = 0,
8943                                         // if we are going to the end, we want to run all the tweens
8944                                         // otherwise we skip this part
8945                                         length = gotoEnd ? animation.tweens.length : 0;
8946                                 if ( stopped ) {
8947                                         return this;
8948                                 }
8949                                 stopped = true;
8950                                 for ( ; index < length ; index++ ) {
8951                                         animation.tweens[ index ].run( 1 );
8952                                 }
8954                                 // resolve when we played the last frame
8955                                 // otherwise, reject
8956                                 if ( gotoEnd ) {
8957                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
8958                                 } else {
8959                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
8960                                 }
8961                                 return this;
8962                         }
8963                 }),
8964                 props = animation.props;
8966         propFilter( props, animation.opts.specialEasing );
8968         for ( ; index < length ; index++ ) {
8969                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
8970                 if ( result ) {
8971                         return result;
8972                 }
8973         }
8975         jQuery.map( props, createTween, animation );
8977         if ( jQuery.isFunction( animation.opts.start ) ) {
8978                 animation.opts.start.call( elem, animation );
8979         }
8981         jQuery.fx.timer(
8982                 jQuery.extend( tick, {
8983                         elem: elem,
8984                         anim: animation,
8985                         queue: animation.opts.queue
8986                 })
8987         );
8989         // attach callbacks from options
8990         return animation.progress( animation.opts.progress )
8991                 .done( animation.opts.done, animation.opts.complete )
8992                 .fail( animation.opts.fail )
8993                 .always( animation.opts.always );
8996 function propFilter( props, specialEasing ) {
8997         var index, name, easing, value, hooks;
8999         // camelCase, specialEasing and expand cssHook pass
9000         for ( index in props ) {
9001                 name = jQuery.camelCase( index );
9002                 easing = specialEasing[ name ];
9003                 value = props[ index ];
9004                 if ( jQuery.isArray( value ) ) {
9005                         easing = value[ 1 ];
9006                         value = props[ index ] = value[ 0 ];
9007                 }
9009                 if ( index !== name ) {
9010                         props[ name ] = value;
9011                         delete props[ index ];
9012                 }
9014                 hooks = jQuery.cssHooks[ name ];
9015                 if ( hooks && "expand" in hooks ) {
9016                         value = hooks.expand( value );
9017                         delete props[ name ];
9019                         // not quite $.extend, this wont overwrite keys already present.
9020                         // also - reusing 'index' from above because we have the correct "name"
9021                         for ( index in value ) {
9022                                 if ( !( index in props ) ) {
9023                                         props[ index ] = value[ index ];
9024                                         specialEasing[ index ] = easing;
9025                                 }
9026                         }
9027                 } else {
9028                         specialEasing[ name ] = easing;
9029                 }
9030         }
9033 jQuery.Animation = jQuery.extend( Animation, {
9035         tweener: function( props, callback ) {
9036                 if ( jQuery.isFunction( props ) ) {
9037                         callback = props;
9038                         props = [ "*" ];
9039                 } else {
9040                         props = props.split(" ");
9041                 }
9043                 var prop,
9044                         index = 0,
9045                         length = props.length;
9047                 for ( ; index < length ; index++ ) {
9048                         prop = props[ index ];
9049                         tweeners[ prop ] = tweeners[ prop ] || [];
9050                         tweeners[ prop ].unshift( callback );
9051                 }
9052         },
9054         prefilter: function( callback, prepend ) {
9055                 if ( prepend ) {
9056                         animationPrefilters.unshift( callback );
9057                 } else {
9058                         animationPrefilters.push( callback );
9059                 }
9060         }
9063 function defaultPrefilter( elem, props, opts ) {
9064         /* jshint validthis: true */
9065         var prop, value, toggle, tween, hooks, oldfire,
9066                 anim = this,
9067                 orig = {},
9068                 style = elem.style,
9069                 hidden = elem.nodeType && isHidden( elem ),
9070                 dataShow = jQuery._data( elem, "fxshow" );
9072         // handle queue: false promises
9073         if ( !opts.queue ) {
9074                 hooks = jQuery._queueHooks( elem, "fx" );
9075                 if ( hooks.unqueued == null ) {
9076                         hooks.unqueued = 0;
9077                         oldfire = hooks.empty.fire;
9078                         hooks.empty.fire = function() {
9079                                 if ( !hooks.unqueued ) {
9080                                         oldfire();
9081                                 }
9082                         };
9083                 }
9084                 hooks.unqueued++;
9086                 anim.always(function() {
9087                         // doing this makes sure that the complete handler will be called
9088                         // before this completes
9089                         anim.always(function() {
9090                                 hooks.unqueued--;
9091                                 if ( !jQuery.queue( elem, "fx" ).length ) {
9092                                         hooks.empty.fire();
9093                                 }
9094                         });
9095                 });
9096         }
9098         // height/width overflow pass
9099         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
9100                 // Make sure that nothing sneaks out
9101                 // Record all 3 overflow attributes because IE does not
9102                 // change the overflow attribute when overflowX and
9103                 // overflowY are set to the same value
9104                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
9106                 // Set display property to inline-block for height/width
9107                 // animations on inline elements that are having width/height animated
9108                 if ( jQuery.css( elem, "display" ) === "inline" &&
9109                                 jQuery.css( elem, "float" ) === "none" ) {
9111                         // inline-level elements accept inline-block;
9112                         // block-level elements need to be inline with layout
9113                         if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
9114                                 style.display = "inline-block";
9116                         } else {
9117                                 style.zoom = 1;
9118                         }
9119                 }
9120         }
9122         if ( opts.overflow ) {
9123                 style.overflow = "hidden";
9124                 if ( !jQuery.support.shrinkWrapBlocks ) {
9125                         anim.always(function() {
9126                                 style.overflow = opts.overflow[ 0 ];
9127                                 style.overflowX = opts.overflow[ 1 ];
9128                                 style.overflowY = opts.overflow[ 2 ];
9129                         });
9130                 }
9131         }
9134         // show/hide pass
9135         for ( prop in props ) {
9136                 value = props[ prop ];
9137                 if ( rfxtypes.exec( value ) ) {
9138                         delete props[ prop ];
9139                         toggle = toggle || value === "toggle";
9140                         if ( value === ( hidden ? "hide" : "show" ) ) {
9141                                 continue;
9142                         }
9143                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
9144                 }
9145         }
9147         if ( !jQuery.isEmptyObject( orig ) ) {
9148                 if ( dataShow ) {
9149                         if ( "hidden" in dataShow ) {
9150                                 hidden = dataShow.hidden;
9151                         }
9152                 } else {
9153                         dataShow = jQuery._data( elem, "fxshow", {} );
9154                 }
9156                 // store state if its toggle - enables .stop().toggle() to "reverse"
9157                 if ( toggle ) {
9158                         dataShow.hidden = !hidden;
9159                 }
9160                 if ( hidden ) {
9161                         jQuery( elem ).show();
9162                 } else {
9163                         anim.done(function() {
9164                                 jQuery( elem ).hide();
9165                         });
9166                 }
9167                 anim.done(function() {
9168                         var prop;
9169                         jQuery._removeData( elem, "fxshow" );
9170                         for ( prop in orig ) {
9171                                 jQuery.style( elem, prop, orig[ prop ] );
9172                         }
9173                 });
9174                 for ( prop in orig ) {
9175                         tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
9177                         if ( !( prop in dataShow ) ) {
9178                                 dataShow[ prop ] = tween.start;
9179                                 if ( hidden ) {
9180                                         tween.end = tween.start;
9181                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
9182                                 }
9183                         }
9184                 }
9185         }
9188 function Tween( elem, options, prop, end, easing ) {
9189         return new Tween.prototype.init( elem, options, prop, end, easing );
9191 jQuery.Tween = Tween;
9193 Tween.prototype = {
9194         constructor: Tween,
9195         init: function( elem, options, prop, end, easing, unit ) {
9196                 this.elem = elem;
9197                 this.prop = prop;
9198                 this.easing = easing || "swing";
9199                 this.options = options;
9200                 this.start = this.now = this.cur();
9201                 this.end = end;
9202                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
9203         },
9204         cur: function() {
9205                 var hooks = Tween.propHooks[ this.prop ];
9207                 return hooks && hooks.get ?
9208                         hooks.get( this ) :
9209                         Tween.propHooks._default.get( this );
9210         },
9211         run: function( percent ) {
9212                 var eased,
9213                         hooks = Tween.propHooks[ this.prop ];
9215                 if ( this.options.duration ) {
9216                         this.pos = eased = jQuery.easing[ this.easing ](
9217                                 percent, this.options.duration * percent, 0, 1, this.options.duration
9218                         );
9219                 } else {
9220                         this.pos = eased = percent;
9221                 }
9222                 this.now = ( this.end - this.start ) * eased + this.start;
9224                 if ( this.options.step ) {
9225                         this.options.step.call( this.elem, this.now, this );
9226                 }
9228                 if ( hooks && hooks.set ) {
9229                         hooks.set( this );
9230                 } else {
9231                         Tween.propHooks._default.set( this );
9232                 }
9233                 return this;
9234         }
9237 Tween.prototype.init.prototype = Tween.prototype;
9239 Tween.propHooks = {
9240         _default: {
9241                 get: function( tween ) {
9242                         var result;
9244                         if ( tween.elem[ tween.prop ] != null &&
9245                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
9246                                 return tween.elem[ tween.prop ];
9247                         }
9249                         // passing an empty string as a 3rd parameter to .css will automatically
9250                         // attempt a parseFloat and fallback to a string if the parse fails
9251                         // so, simple values such as "10px" are parsed to Float.
9252                         // complex values such as "rotate(1rad)" are returned as is.
9253                         result = jQuery.css( tween.elem, tween.prop, "" );
9254                         // Empty strings, null, undefined and "auto" are converted to 0.
9255                         return !result || result === "auto" ? 0 : result;
9256                 },
9257                 set: function( tween ) {
9258                         // use step hook for back compat - use cssHook if its there - use .style if its
9259                         // available and use plain properties where available
9260                         if ( jQuery.fx.step[ tween.prop ] ) {
9261                                 jQuery.fx.step[ tween.prop ]( tween );
9262                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
9263                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
9264                         } else {
9265                                 tween.elem[ tween.prop ] = tween.now;
9266                         }
9267                 }
9268         }
9271 // Support: IE <=9
9272 // Panic based approach to setting things on disconnected nodes
9274 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
9275         set: function( tween ) {
9276                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
9277                         tween.elem[ tween.prop ] = tween.now;
9278                 }
9279         }
9282 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
9283         var cssFn = jQuery.fn[ name ];
9284         jQuery.fn[ name ] = function( speed, easing, callback ) {
9285                 return speed == null || typeof speed === "boolean" ?
9286                         cssFn.apply( this, arguments ) :
9287                         this.animate( genFx( name, true ), speed, easing, callback );
9288         };
9291 jQuery.fn.extend({
9292         fadeTo: function( speed, to, easing, callback ) {
9294                 // show any hidden elements after setting opacity to 0
9295                 return this.filter( isHidden ).css( "opacity", 0 ).show()
9297                         // animate to the value specified
9298                         .end().animate({ opacity: to }, speed, easing, callback );
9299         },
9300         animate: function( prop, speed, easing, callback ) {
9301                 var empty = jQuery.isEmptyObject( prop ),
9302                         optall = jQuery.speed( speed, easing, callback ),
9303                         doAnimation = function() {
9304                                 // Operate on a copy of prop so per-property easing won't be lost
9305                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
9307                                 // Empty animations, or finishing resolves immediately
9308                                 if ( empty || jQuery._data( this, "finish" ) ) {
9309                                         anim.stop( true );
9310                                 }
9311                         };
9312                         doAnimation.finish = doAnimation;
9314                 return empty || optall.queue === false ?
9315                         this.each( doAnimation ) :
9316                         this.queue( optall.queue, doAnimation );
9317         },
9318         stop: function( type, clearQueue, gotoEnd ) {
9319                 var stopQueue = function( hooks ) {
9320                         var stop = hooks.stop;
9321                         delete hooks.stop;
9322                         stop( gotoEnd );
9323                 };
9325                 if ( typeof type !== "string" ) {
9326                         gotoEnd = clearQueue;
9327                         clearQueue = type;
9328                         type = undefined;
9329                 }
9330                 if ( clearQueue && type !== false ) {
9331                         this.queue( type || "fx", [] );
9332                 }
9334                 return this.each(function() {
9335                         var dequeue = true,
9336                                 index = type != null && type + "queueHooks",
9337                                 timers = jQuery.timers,
9338                                 data = jQuery._data( this );
9340                         if ( index ) {
9341                                 if ( data[ index ] && data[ index ].stop ) {
9342                                         stopQueue( data[ index ] );
9343                                 }
9344                         } else {
9345                                 for ( index in data ) {
9346                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
9347                                                 stopQueue( data[ index ] );
9348                                         }
9349                                 }
9350                         }
9352                         for ( index = timers.length; index--; ) {
9353                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
9354                                         timers[ index ].anim.stop( gotoEnd );
9355                                         dequeue = false;
9356                                         timers.splice( index, 1 );
9357                                 }
9358                         }
9360                         // start the next in the queue if the last step wasn't forced
9361                         // timers currently will call their complete callbacks, which will dequeue
9362                         // but only if they were gotoEnd
9363                         if ( dequeue || !gotoEnd ) {
9364                                 jQuery.dequeue( this, type );
9365                         }
9366                 });
9367         },
9368         finish: function( type ) {
9369                 if ( type !== false ) {
9370                         type = type || "fx";
9371                 }
9372                 return this.each(function() {
9373                         var index,
9374                                 data = jQuery._data( this ),
9375                                 queue = data[ type + "queue" ],
9376                                 hooks = data[ type + "queueHooks" ],
9377                                 timers = jQuery.timers,
9378                                 length = queue ? queue.length : 0;
9380                         // enable finishing flag on private data
9381                         data.finish = true;
9383                         // empty the queue first
9384                         jQuery.queue( this, type, [] );
9386                         if ( hooks && hooks.stop ) {
9387                                 hooks.stop.call( this, true );
9388                         }
9390                         // look for any active animations, and finish them
9391                         for ( index = timers.length; index--; ) {
9392                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
9393                                         timers[ index ].anim.stop( true );
9394                                         timers.splice( index, 1 );
9395                                 }
9396                         }
9398                         // look for any animations in the old queue and finish them
9399                         for ( index = 0; index < length; index++ ) {
9400                                 if ( queue[ index ] && queue[ index ].finish ) {
9401                                         queue[ index ].finish.call( this );
9402                                 }
9403                         }
9405                         // turn off finishing flag
9406                         delete data.finish;
9407                 });
9408         }
9411 // Generate parameters to create a standard animation
9412 function genFx( type, includeWidth ) {
9413         var which,
9414                 attrs = { height: type },
9415                 i = 0;
9417         // if we include width, step value is 1 to do all cssExpand values,
9418         // if we don't include width, step value is 2 to skip over Left and Right
9419         includeWidth = includeWidth? 1 : 0;
9420         for( ; i < 4 ; i += 2 - includeWidth ) {
9421                 which = cssExpand[ i ];
9422                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
9423         }
9425         if ( includeWidth ) {
9426                 attrs.opacity = attrs.width = type;
9427         }
9429         return attrs;
9432 // Generate shortcuts for custom animations
9433 jQuery.each({
9434         slideDown: genFx("show"),
9435         slideUp: genFx("hide"),
9436         slideToggle: genFx("toggle"),
9437         fadeIn: { opacity: "show" },
9438         fadeOut: { opacity: "hide" },
9439         fadeToggle: { opacity: "toggle" }
9440 }, function( name, props ) {
9441         jQuery.fn[ name ] = function( speed, easing, callback ) {
9442                 return this.animate( props, speed, easing, callback );
9443         };
9446 jQuery.speed = function( speed, easing, fn ) {
9447         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
9448                 complete: fn || !fn && easing ||
9449                         jQuery.isFunction( speed ) && speed,
9450                 duration: speed,
9451                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
9452         };
9454         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
9455                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
9457         // normalize opt.queue - true/undefined/null -> "fx"
9458         if ( opt.queue == null || opt.queue === true ) {
9459                 opt.queue = "fx";
9460         }
9462         // Queueing
9463         opt.old = opt.complete;
9465         opt.complete = function() {
9466                 if ( jQuery.isFunction( opt.old ) ) {
9467                         opt.old.call( this );
9468                 }
9470                 if ( opt.queue ) {
9471                         jQuery.dequeue( this, opt.queue );
9472                 }
9473         };
9475         return opt;
9478 jQuery.easing = {
9479         linear: function( p ) {
9480                 return p;
9481         },
9482         swing: function( p ) {
9483                 return 0.5 - Math.cos( p*Math.PI ) / 2;
9484         }
9487 jQuery.timers = [];
9488 jQuery.fx = Tween.prototype.init;
9489 jQuery.fx.tick = function() {
9490         var timer,
9491                 timers = jQuery.timers,
9492                 i = 0;
9494         fxNow = jQuery.now();
9496         for ( ; i < timers.length; i++ ) {
9497                 timer = timers[ i ];
9498                 // Checks the timer has not already been removed
9499                 if ( !timer() && timers[ i ] === timer ) {
9500                         timers.splice( i--, 1 );
9501                 }
9502         }
9504         if ( !timers.length ) {
9505                 jQuery.fx.stop();
9506         }
9507         fxNow = undefined;
9510 jQuery.fx.timer = function( timer ) {
9511         if ( timer() && jQuery.timers.push( timer ) ) {
9512                 jQuery.fx.start();
9513         }
9516 jQuery.fx.interval = 13;
9518 jQuery.fx.start = function() {
9519         if ( !timerId ) {
9520                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
9521         }
9524 jQuery.fx.stop = function() {
9525         clearInterval( timerId );
9526         timerId = null;
9529 jQuery.fx.speeds = {
9530         slow: 600,
9531         fast: 200,
9532         // Default speed
9533         _default: 400
9536 // Back Compat <1.8 extension point
9537 jQuery.fx.step = {};
9539 if ( jQuery.expr && jQuery.expr.filters ) {
9540         jQuery.expr.filters.animated = function( elem ) {
9541                 return jQuery.grep(jQuery.timers, function( fn ) {
9542                         return elem === fn.elem;
9543                 }).length;
9544         };
9546 jQuery.fn.offset = function( options ) {
9547         if ( arguments.length ) {
9548                 return options === undefined ?
9549                         this :
9550                         this.each(function( i ) {
9551                                 jQuery.offset.setOffset( this, options, i );
9552                         });
9553         }
9555         var docElem, win,
9556                 box = { top: 0, left: 0 },
9557                 elem = this[ 0 ],
9558                 doc = elem && elem.ownerDocument;
9560         if ( !doc ) {
9561                 return;
9562         }
9564         docElem = doc.documentElement;
9566         // Make sure it's not a disconnected DOM node
9567         if ( !jQuery.contains( docElem, elem ) ) {
9568                 return box;
9569         }
9571         // If we don't have gBCR, just use 0,0 rather than error
9572         // BlackBerry 5, iOS 3 (original iPhone)
9573         if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
9574                 box = elem.getBoundingClientRect();
9575         }
9576         win = getWindow( doc );
9577         return {
9578                 top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
9579                 left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
9580         };
9583 jQuery.offset = {
9585         setOffset: function( elem, options, i ) {
9586                 var position = jQuery.css( elem, "position" );
9588                 // set position first, in-case top/left are set even on static elem
9589                 if ( position === "static" ) {
9590                         elem.style.position = "relative";
9591                 }
9593                 var curElem = jQuery( elem ),
9594                         curOffset = curElem.offset(),
9595                         curCSSTop = jQuery.css( elem, "top" ),
9596                         curCSSLeft = jQuery.css( elem, "left" ),
9597                         calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
9598                         props = {}, curPosition = {}, curTop, curLeft;
9600                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
9601                 if ( calculatePosition ) {
9602                         curPosition = curElem.position();
9603                         curTop = curPosition.top;
9604                         curLeft = curPosition.left;
9605                 } else {
9606                         curTop = parseFloat( curCSSTop ) || 0;
9607                         curLeft = parseFloat( curCSSLeft ) || 0;
9608                 }
9610                 if ( jQuery.isFunction( options ) ) {
9611                         options = options.call( elem, i, curOffset );
9612                 }
9614                 if ( options.top != null ) {
9615                         props.top = ( options.top - curOffset.top ) + curTop;
9616                 }
9617                 if ( options.left != null ) {
9618                         props.left = ( options.left - curOffset.left ) + curLeft;
9619                 }
9621                 if ( "using" in options ) {
9622                         options.using.call( elem, props );
9623                 } else {
9624                         curElem.css( props );
9625                 }
9626         }
9630 jQuery.fn.extend({
9632         position: function() {
9633                 if ( !this[ 0 ] ) {
9634                         return;
9635                 }
9637                 var offsetParent, offset,
9638                         parentOffset = { top: 0, left: 0 },
9639                         elem = this[ 0 ];
9641                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
9642                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
9643                         // we assume that getBoundingClientRect is available when computed position is fixed
9644                         offset = elem.getBoundingClientRect();
9645                 } else {
9646                         // Get *real* offsetParent
9647                         offsetParent = this.offsetParent();
9649                         // Get correct offsets
9650                         offset = this.offset();
9651                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
9652                                 parentOffset = offsetParent.offset();
9653                         }
9655                         // Add offsetParent borders
9656                         parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
9657                         parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
9658                 }
9660                 // Subtract parent offsets and element margins
9661                 // note: when an element has margin: auto the offsetLeft and marginLeft
9662                 // are the same in Safari causing offset.left to incorrectly be 0
9663                 return {
9664                         top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
9665                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
9666                 };
9667         },
9669         offsetParent: function() {
9670                 return this.map(function() {
9671                         var offsetParent = this.offsetParent || docElem;
9672                         while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
9673                                 offsetParent = offsetParent.offsetParent;
9674                         }
9675                         return offsetParent || docElem;
9676                 });
9677         }
9681 // Create scrollLeft and scrollTop methods
9682 jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
9683         var top = /Y/.test( prop );
9685         jQuery.fn[ method ] = function( val ) {
9686                 return jQuery.access( this, function( elem, method, val ) {
9687                         var win = getWindow( elem );
9689                         if ( val === undefined ) {
9690                                 return win ? (prop in win) ? win[ prop ] :
9691                                         win.document.documentElement[ method ] :
9692                                         elem[ method ];
9693                         }
9695                         if ( win ) {
9696                                 win.scrollTo(
9697                                         !top ? val : jQuery( win ).scrollLeft(),
9698                                         top ? val : jQuery( win ).scrollTop()
9699                                 );
9701                         } else {
9702                                 elem[ method ] = val;
9703                         }
9704                 }, method, val, arguments.length, null );
9705         };
9708 function getWindow( elem ) {
9709         return jQuery.isWindow( elem ) ?
9710                 elem :
9711                 elem.nodeType === 9 ?
9712                         elem.defaultView || elem.parentWindow :
9713                         false;
9715 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
9716 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
9717         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
9718                 // margin is only for outerHeight, outerWidth
9719                 jQuery.fn[ funcName ] = function( margin, value ) {
9720                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
9721                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
9723                         return jQuery.access( this, function( elem, type, value ) {
9724                                 var doc;
9726                                 if ( jQuery.isWindow( elem ) ) {
9727                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
9728                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
9729                                         // https://github.com/jquery/jquery/pull/764
9730                                         return elem.document.documentElement[ "client" + name ];
9731                                 }
9733                                 // Get document width or height
9734                                 if ( elem.nodeType === 9 ) {
9735                                         doc = elem.documentElement;
9737                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
9738                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
9739                                         return Math.max(
9740                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
9741                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
9742                                                 doc[ "client" + name ]
9743                                         );
9744                                 }
9746                                 return value === undefined ?
9747                                         // Get width or height on the element, requesting but not forcing parseFloat
9748                                         jQuery.css( elem, type, extra ) :
9750                                         // Set width or height on the element
9751                                         jQuery.style( elem, type, value, extra );
9752                         }, type, chainable ? margin : undefined, chainable, null );
9753                 };
9754         });
9756 // Limit scope pollution from any deprecated API
9757 // (function() {
9759 // The number of elements contained in the matched element set
9760 jQuery.fn.size = function() {
9761         return this.length;
9764 jQuery.fn.andSelf = jQuery.fn.addBack;
9766 // })();
9767 if ( typeof module === "object" && module && typeof module.exports === "object" ) {
9768         // Expose jQuery as module.exports in loaders that implement the Node
9769         // module pattern (including browserify). Do not create the global, since
9770         // the user will be storing it themselves locally, and globals are frowned
9771         // upon in the Node module world.
9772         module.exports = jQuery;
9773 } else {
9774         // Otherwise expose jQuery to the global object as usual
9775         window.jQuery = window.$ = jQuery;
9777         // Register as a named AMD module, since jQuery can be concatenated with other
9778         // files that may use define, but not via a proper concatenation script that
9779         // understands anonymous AMD modules. A named AMD is safest and most robust
9780         // way to register. Lowercase jquery is used because AMD module names are
9781         // derived from file names, and jQuery is normally delivered in a lowercase
9782         // file name. Do this after creating the global so that if an AMD module wants
9783         // to call noConflict to hide this version of jQuery, it will work.
9784         if ( typeof define === "function" && define.amd ) {
9785                 define( "jquery", [], function () { return jQuery; } );
9786         }
9789 })( window );