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1 /*!
2  * jQuery JavaScript Library v1.8.3
3  * http://jquery.com/
4  *
5  * Includes Sizzle.js
6  * http://sizzlejs.com/
7  *
8  * Copyright 2012 jQuery Foundation and other contributors
9  * Released under the MIT license
10  * http://jquery.org/license
11  *
12  * Date: Tue Nov 13 2012 08:20:33 GMT-0500 (Eastern Standard Time)
13  */
14 (function( window, undefined ) {
15 var
16         // A central reference to the root jQuery(document)
17         rootjQuery,
19         // The deferred used on DOM ready
20         readyList,
22         // Use the correct document accordingly with window argument (sandbox)
23         document = window.document,
24         location = window.location,
25         navigator = window.navigator,
27         // Map over jQuery in case of overwrite
28         _jQuery = window.jQuery,
30         // Map over the $ in case of overwrite
31         _$ = window.$,
33         // Save a reference to some core methods
34         core_push = Array.prototype.push,
35         core_slice = Array.prototype.slice,
36         core_indexOf = Array.prototype.indexOf,
37         core_toString = Object.prototype.toString,
38         core_hasOwn = Object.prototype.hasOwnProperty,
39         core_trim = String.prototype.trim,
41         // Define a local copy of jQuery
42         jQuery = function( selector, context ) {
43                 // The jQuery object is actually just the init constructor 'enhanced'
44                 return new jQuery.fn.init( selector, context, rootjQuery );
45         },
47         // Used for matching numbers
48         core_pnum = /[\-+]?(?:\d*\.|)\d+(?:[eE][\-+]?\d+|)/.source,
50         // Used for detecting and trimming whitespace
51         core_rnotwhite = /\S/,
52         core_rspace = /\s+/,
54         // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
55         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
57         // A simple way to check for HTML strings
58         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
59         rquickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
61         // Match a standalone tag
62         rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
64         // JSON RegExp
65         rvalidchars = /^[\],:{}\s]*$/,
66         rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
67         rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
68         rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d\d*\.|)\d+(?:[eE][\-+]?\d+|)/g,
70         // Matches dashed string for camelizing
71         rmsPrefix = /^-ms-/,
72         rdashAlpha = /-([\da-z])/gi,
74         // Used by jQuery.camelCase as callback to replace()
75         fcamelCase = function( all, letter ) {
76                 return ( letter + "" ).toUpperCase();
77         },
79         // The ready event handler and self cleanup method
80         DOMContentLoaded = function() {
81                 if ( document.addEventListener ) {
82                         document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
83                         jQuery.ready();
84                 } else if ( document.readyState === "complete" ) {
85                         // we're here because readyState === "complete" in oldIE
86                         // which is good enough for us to call the dom ready!
87                         document.detachEvent( "onreadystatechange", DOMContentLoaded );
88                         jQuery.ready();
89                 }
90         },
92         // [[Class]] -> type pairs
93         class2type = {};
95 jQuery.fn = jQuery.prototype = {
96         constructor: jQuery,
97         init: function( selector, context, rootjQuery ) {
98                 var match, elem, ret, doc;
100                 // Handle $(""), $(null), $(undefined), $(false)
101                 if ( !selector ) {
102                         return this;
103                 }
105                 // Handle $(DOMElement)
106                 if ( selector.nodeType ) {
107                         this.context = this[0] = selector;
108                         this.length = 1;
109                         return this;
110                 }
112                 // Handle HTML strings
113                 if ( typeof selector === "string" ) {
114                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
115                                 // Assume that strings that start and end with <> are HTML and skip the regex check
116                                 match = [ null, selector, null ];
118                         } else {
119                                 match = rquickExpr.exec( selector );
120                         }
122                         // Match html or make sure no context is specified for #id
123                         if ( match && (match[1] || !context) ) {
125                                 // HANDLE: $(html) -> $(array)
126                                 if ( match[1] ) {
127                                         context = context instanceof jQuery ? context[0] : context;
128                                         doc = ( context && context.nodeType ? context.ownerDocument || context : document );
130                                         // scripts is true for back-compat
131                                         selector = jQuery.parseHTML( match[1], doc, true );
132                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
133                                                 this.attr.call( selector, context, true );
134                                         }
136                                         return jQuery.merge( this, selector );
138                                 // HANDLE: $(#id)
139                                 } else {
140                                         elem = document.getElementById( match[2] );
142                                         // Check parentNode to catch when Blackberry 4.6 returns
143                                         // nodes that are no longer in the document #6963
144                                         if ( elem && elem.parentNode ) {
145                                                 // Handle the case where IE and Opera return items
146                                                 // by name instead of ID
147                                                 if ( elem.id !== match[2] ) {
148                                                         return rootjQuery.find( selector );
149                                                 }
151                                                 // Otherwise, we inject the element directly into the jQuery object
152                                                 this.length = 1;
153                                                 this[0] = elem;
154                                         }
156                                         this.context = document;
157                                         this.selector = selector;
158                                         return this;
159                                 }
161                         // HANDLE: $(expr, $(...))
162                         } else if ( !context || context.jquery ) {
163                                 return ( context || rootjQuery ).find( selector );
165                         // HANDLE: $(expr, context)
166                         // (which is just equivalent to: $(context).find(expr)
167                         } else {
168                                 return this.constructor( context ).find( selector );
169                         }
171                 // HANDLE: $(function)
172                 // Shortcut for document ready
173                 } else if ( jQuery.isFunction( selector ) ) {
174                         return rootjQuery.ready( selector );
175                 }
177                 if ( selector.selector !== undefined ) {
178                         this.selector = selector.selector;
179                         this.context = selector.context;
180                 }
182                 return jQuery.makeArray( selector, this );
183         },
185         // Start with an empty selector
186         selector: "",
188         // The current version of jQuery being used
189         jquery: "1.8.3",
191         // The default length of a jQuery object is 0
192         length: 0,
194         // The number of elements contained in the matched element set
195         size: function() {
196                 return this.length;
197         },
199         toArray: function() {
200                 return core_slice.call( this );
201         },
203         // Get the Nth element in the matched element set OR
204         // Get the whole matched element set as a clean array
205         get: function( num ) {
206                 return num == null ?
208                         // Return a 'clean' array
209                         this.toArray() :
211                         // Return just the object
212                         ( num < 0 ? this[ this.length + num ] : this[ num ] );
213         },
215         // Take an array of elements and push it onto the stack
216         // (returning the new matched element set)
217         pushStack: function( elems, name, selector ) {
219                 // Build a new jQuery matched element set
220                 var ret = jQuery.merge( this.constructor(), elems );
222                 // Add the old object onto the stack (as a reference)
223                 ret.prevObject = this;
225                 ret.context = this.context;
227                 if ( name === "find" ) {
228                         ret.selector = this.selector + ( this.selector ? " " : "" ) + selector;
229                 } else if ( name ) {
230                         ret.selector = this.selector + "." + name + "(" + selector + ")";
231                 }
233                 // Return the newly-formed element set
234                 return ret;
235         },
237         // Execute a callback for every element in the matched set.
238         // (You can seed the arguments with an array of args, but this is
239         // only used internally.)
240         each: function( callback, args ) {
241                 return jQuery.each( this, callback, args );
242         },
244         ready: function( fn ) {
245                 // Add the callback
246                 jQuery.ready.promise().done( fn );
248                 return this;
249         },
251         eq: function( i ) {
252                 i = +i;
253                 return i === -1 ?
254                         this.slice( i ) :
255                         this.slice( i, i + 1 );
256         },
258         first: function() {
259                 return this.eq( 0 );
260         },
262         last: function() {
263                 return this.eq( -1 );
264         },
266         slice: function() {
267                 return this.pushStack( core_slice.apply( this, arguments ),
268                         "slice", core_slice.call(arguments).join(",") );
269         },
271         map: function( callback ) {
272                 return this.pushStack( jQuery.map(this, function( elem, i ) {
273                         return callback.call( elem, i, elem );
274                 }));
275         },
277         end: function() {
278                 return this.prevObject || this.constructor(null);
279         },
281         // For internal use only.
282         // Behaves like an Array's method, not like a jQuery method.
283         push: core_push,
284         sort: [].sort,
285         splice: [].splice
288 // Give the init function the jQuery prototype for later instantiation
289 jQuery.fn.init.prototype = jQuery.fn;
291 jQuery.extend = jQuery.fn.extend = function() {
292         var options, name, src, copy, copyIsArray, clone,
293                 target = arguments[0] || {},
294                 i = 1,
295                 length = arguments.length,
296                 deep = false;
298         // Handle a deep copy situation
299         if ( typeof target === "boolean" ) {
300                 deep = target;
301                 target = arguments[1] || {};
302                 // skip the boolean and the target
303                 i = 2;
304         }
306         // Handle case when target is a string or something (possible in deep copy)
307         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
308                 target = {};
309         }
311         // extend jQuery itself if only one argument is passed
312         if ( length === i ) {
313                 target = this;
314                 --i;
315         }
317         for ( ; i < length; i++ ) {
318                 // Only deal with non-null/undefined values
319                 if ( (options = arguments[ i ]) != null ) {
320                         // Extend the base object
321                         for ( name in options ) {
322                                 src = target[ name ];
323                                 copy = options[ name ];
325                                 // Prevent never-ending loop
326                                 if ( target === copy ) {
327                                         continue;
328                                 }
330                                 // Recurse if we're merging plain objects or arrays
331                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
332                                         if ( copyIsArray ) {
333                                                 copyIsArray = false;
334                                                 clone = src && jQuery.isArray(src) ? src : [];
336                                         } else {
337                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
338                                         }
340                                         // Never move original objects, clone them
341                                         target[ name ] = jQuery.extend( deep, clone, copy );
343                                 // Don't bring in undefined values
344                                 } else if ( copy !== undefined ) {
345                                         target[ name ] = copy;
346                                 }
347                         }
348                 }
349         }
351         // Return the modified object
352         return target;
355 jQuery.extend({
356         noConflict: function( deep ) {
357                 if ( window.$ === jQuery ) {
358                         window.$ = _$;
359                 }
361                 if ( deep && window.jQuery === jQuery ) {
362                         window.jQuery = _jQuery;
363                 }
365                 return jQuery;
366         },
368         // Is the DOM ready to be used? Set to true once it occurs.
369         isReady: false,
371         // A counter to track how many items to wait for before
372         // the ready event fires. See #6781
373         readyWait: 1,
375         // Hold (or release) the ready event
376         holdReady: function( hold ) {
377                 if ( hold ) {
378                         jQuery.readyWait++;
379                 } else {
380                         jQuery.ready( true );
381                 }
382         },
384         // Handle when the DOM is ready
385         ready: function( wait ) {
387                 // Abort if there are pending holds or we're already ready
388                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
389                         return;
390                 }
392                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
393                 if ( !document.body ) {
394                         return setTimeout( jQuery.ready, 1 );
395                 }
397                 // Remember that the DOM is ready
398                 jQuery.isReady = true;
400                 // If a normal DOM Ready event fired, decrement, and wait if need be
401                 if ( wait !== true && --jQuery.readyWait > 0 ) {
402                         return;
403                 }
405                 // If there are functions bound, to execute
406                 readyList.resolveWith( document, [ jQuery ] );
408                 // Trigger any bound ready events
409                 if ( jQuery.fn.trigger ) {
410                         jQuery( document ).trigger("ready").off("ready");
411                 }
412         },
414         // See test/unit/core.js for details concerning isFunction.
415         // Since version 1.3, DOM methods and functions like alert
416         // aren't supported. They return false on IE (#2968).
417         isFunction: function( obj ) {
418                 return jQuery.type(obj) === "function";
419         },
421         isArray: Array.isArray || function( obj ) {
422                 return jQuery.type(obj) === "array";
423         },
425         isWindow: function( obj ) {
426                 return obj != null && obj == obj.window;
427         },
429         isNumeric: function( obj ) {
430                 return !isNaN( parseFloat(obj) ) && isFinite( obj );
431         },
433         type: function( obj ) {
434                 return obj == null ?
435                         String( obj ) :
436                         class2type[ core_toString.call(obj) ] || "object";
437         },
439         isPlainObject: function( obj ) {
440                 // Must be an Object.
441                 // Because of IE, we also have to check the presence of the constructor property.
442                 // Make sure that DOM nodes and window objects don't pass through, as well
443                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
444                         return false;
445                 }
447                 try {
448                         // Not own constructor property must be Object
449                         if ( obj.constructor &&
450                                 !core_hasOwn.call(obj, "constructor") &&
451                                 !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
452                                 return false;
453                         }
454                 } catch ( e ) {
455                         // IE8,9 Will throw exceptions on certain host objects #9897
456                         return false;
457                 }
459                 // Own properties are enumerated firstly, so to speed up,
460                 // if last one is own, then all properties are own.
462                 var key;
463                 for ( key in obj ) {}
465                 return key === undefined || core_hasOwn.call( obj, key );
466         },
468         isEmptyObject: function( obj ) {
469                 var name;
470                 for ( name in obj ) {
471                         return false;
472                 }
473                 return true;
474         },
476         error: function( msg ) {
477                 throw new Error( msg );
478         },
480         // data: string of html
481         // context (optional): If specified, the fragment will be created in this context, defaults to document
482         // scripts (optional): If true, will include scripts passed in the html string
483         parseHTML: function( data, context, scripts ) {
484                 var parsed;
485                 if ( !data || typeof data !== "string" ) {
486                         return null;
487                 }
488                 if ( typeof context === "boolean" ) {
489                         scripts = context;
490                         context = 0;
491                 }
492                 context = context || document;
494                 // Single tag
495                 if ( (parsed = rsingleTag.exec( data )) ) {
496                         return [ context.createElement( parsed[1] ) ];
497                 }
499                 parsed = jQuery.buildFragment( [ data ], context, scripts ? null : [] );
500                 return jQuery.merge( [],
501                         (parsed.cacheable ? jQuery.clone( parsed.fragment ) : parsed.fragment).childNodes );
502         },
504         parseJSON: function( data ) {
505                 if ( !data || typeof data !== "string") {
506                         return null;
507                 }
509                 // Make sure leading/trailing whitespace is removed (IE can't handle it)
510                 data = jQuery.trim( data );
512                 // Attempt to parse using the native JSON parser first
513                 if ( window.JSON && window.JSON.parse ) {
514                         return window.JSON.parse( data );
515                 }
517                 // Make sure the incoming data is actual JSON
518                 // Logic borrowed from http://json.org/json2.js
519                 if ( rvalidchars.test( data.replace( rvalidescape, "@" )
520                         .replace( rvalidtokens, "]" )
521                         .replace( rvalidbraces, "")) ) {
523                         return ( new Function( "return " + data ) )();
525                 }
526                 jQuery.error( "Invalid JSON: " + data );
527         },
529         // Cross-browser xml parsing
530         parseXML: function( data ) {
531                 var xml, tmp;
532                 if ( !data || typeof data !== "string" ) {
533                         return null;
534                 }
535                 try {
536                         if ( window.DOMParser ) { // Standard
537                                 tmp = new DOMParser();
538                                 xml = tmp.parseFromString( data , "text/xml" );
539                         } else { // IE
540                                 xml = new ActiveXObject( "Microsoft.XMLDOM" );
541                                 xml.async = "false";
542                                 xml.loadXML( data );
543                         }
544                 } catch( e ) {
545                         xml = undefined;
546                 }
547                 if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
548                         jQuery.error( "Invalid XML: " + data );
549                 }
550                 return xml;
551         },
553         noop: function() {},
555         // Evaluates a script in a global context
556         // Workarounds based on findings by Jim Driscoll
557         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
558         globalEval: function( data ) {
559                 if ( data && core_rnotwhite.test( data ) ) {
560                         // We use execScript on Internet Explorer
561                         // We use an anonymous function so that context is window
562                         // rather than jQuery in Firefox
563                         ( window.execScript || function( data ) {
564                                 window[ "eval" ].call( window, data );
565                         } )( data );
566                 }
567         },
569         // Convert dashed to camelCase; used by the css and data modules
570         // Microsoft forgot to hump their vendor prefix (#9572)
571         camelCase: function( string ) {
572                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
573         },
575         nodeName: function( elem, name ) {
576                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
577         },
579         // args is for internal usage only
580         each: function( obj, callback, args ) {
581                 var name,
582                         i = 0,
583                         length = obj.length,
584                         isObj = length === undefined || jQuery.isFunction( obj );
586                 if ( args ) {
587                         if ( isObj ) {
588                                 for ( name in obj ) {
589                                         if ( callback.apply( obj[ name ], args ) === false ) {
590                                                 break;
591                                         }
592                                 }
593                         } else {
594                                 for ( ; i < length; ) {
595                                         if ( callback.apply( obj[ i++ ], args ) === false ) {
596                                                 break;
597                                         }
598                                 }
599                         }
601                 // A special, fast, case for the most common use of each
602                 } else {
603                         if ( isObj ) {
604                                 for ( name in obj ) {
605                                         if ( callback.call( obj[ name ], name, obj[ name ] ) === false ) {
606                                                 break;
607                                         }
608                                 }
609                         } else {
610                                 for ( ; i < length; ) {
611                                         if ( callback.call( obj[ i ], i, obj[ i++ ] ) === false ) {
612                                                 break;
613                                         }
614                                 }
615                         }
616                 }
618                 return obj;
619         },
621         // Use native String.trim function wherever possible
622         trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
623                 function( text ) {
624                         return text == null ?
625                                 "" :
626                                 core_trim.call( text );
627                 } :
629                 // Otherwise use our own trimming functionality
630                 function( text ) {
631                         return text == null ?
632                                 "" :
633                                 ( text + "" ).replace( rtrim, "" );
634                 },
636         // results is for internal usage only
637         makeArray: function( arr, results ) {
638                 var type,
639                         ret = results || [];
641                 if ( arr != null ) {
642                         // The window, strings (and functions) also have 'length'
643                         // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
644                         type = jQuery.type( arr );
646                         if ( arr.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( arr ) ) {
647                                 core_push.call( ret, arr );
648                         } else {
649                                 jQuery.merge( ret, arr );
650                         }
651                 }
653                 return ret;
654         },
656         inArray: function( elem, arr, i ) {
657                 var len;
659                 if ( arr ) {
660                         if ( core_indexOf ) {
661                                 return core_indexOf.call( arr, elem, i );
662                         }
664                         len = arr.length;
665                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
667                         for ( ; i < len; i++ ) {
668                                 // Skip accessing in sparse arrays
669                                 if ( i in arr && arr[ i ] === elem ) {
670                                         return i;
671                                 }
672                         }
673                 }
675                 return -1;
676         },
678         merge: function( first, second ) {
679                 var l = second.length,
680                         i = first.length,
681                         j = 0;
683                 if ( typeof l === "number" ) {
684                         for ( ; j < l; j++ ) {
685                                 first[ i++ ] = second[ j ];
686                         }
688                 } else {
689                         while ( second[j] !== undefined ) {
690                                 first[ i++ ] = second[ j++ ];
691                         }
692                 }
694                 first.length = i;
696                 return first;
697         },
699         grep: function( elems, callback, inv ) {
700                 var retVal,
701                         ret = [],
702                         i = 0,
703                         length = elems.length;
704                 inv = !!inv;
706                 // Go through the array, only saving the items
707                 // that pass the validator function
708                 for ( ; i < length; i++ ) {
709                         retVal = !!callback( elems[ i ], i );
710                         if ( inv !== retVal ) {
711                                 ret.push( elems[ i ] );
712                         }
713                 }
715                 return ret;
716         },
718         // arg is for internal usage only
719         map: function( elems, callback, arg ) {
720                 var value, key,
721                         ret = [],
722                         i = 0,
723                         length = elems.length,
724                         // jquery objects are treated as arrays
725                         isArray = elems instanceof jQuery || length !== undefined && typeof length === "number" && ( ( length > 0 && elems[ 0 ] && elems[ length -1 ] ) || length === 0 || jQuery.isArray( elems ) ) ;
727                 // Go through the array, translating each of the items to their
728                 if ( isArray ) {
729                         for ( ; i < length; i++ ) {
730                                 value = callback( elems[ i ], i, arg );
732                                 if ( value != null ) {
733                                         ret[ ret.length ] = value;
734                                 }
735                         }
737                 // Go through every key on the object,
738                 } else {
739                         for ( key in elems ) {
740                                 value = callback( elems[ key ], key, arg );
742                                 if ( value != null ) {
743                                         ret[ ret.length ] = value;
744                                 }
745                         }
746                 }
748                 // Flatten any nested arrays
749                 return ret.concat.apply( [], ret );
750         },
752         // A global GUID counter for objects
753         guid: 1,
755         // Bind a function to a context, optionally partially applying any
756         // arguments.
757         proxy: function( fn, context ) {
758                 var tmp, args, proxy;
760                 if ( typeof context === "string" ) {
761                         tmp = fn[ context ];
762                         context = fn;
763                         fn = tmp;
764                 }
766                 // Quick check to determine if target is callable, in the spec
767                 // this throws a TypeError, but we will just return undefined.
768                 if ( !jQuery.isFunction( fn ) ) {
769                         return undefined;
770                 }
772                 // Simulated bind
773                 args = core_slice.call( arguments, 2 );
774                 proxy = function() {
775                         return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
776                 };
778                 // Set the guid of unique handler to the same of original handler, so it can be removed
779                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
781                 return proxy;
782         },
784         // Multifunctional method to get and set values of a collection
785         // The value/s can optionally be executed if it's a function
786         access: function( elems, fn, key, value, chainable, emptyGet, pass ) {
787                 var exec,
788                         bulk = key == null,
789                         i = 0,
790                         length = elems.length;
792                 // Sets many values
793                 if ( key && typeof key === "object" ) {
794                         for ( i in key ) {
795                                 jQuery.access( elems, fn, i, key[i], 1, emptyGet, value );
796                         }
797                         chainable = 1;
799                 // Sets one value
800                 } else if ( value !== undefined ) {
801                         // Optionally, function values get executed if exec is true
802                         exec = pass === undefined && jQuery.isFunction( value );
804                         if ( bulk ) {
805                                 // Bulk operations only iterate when executing function values
806                                 if ( exec ) {
807                                         exec = fn;
808                                         fn = function( elem, key, value ) {
809                                                 return exec.call( jQuery( elem ), value );
810                                         };
812                                 // Otherwise they run against the entire set
813                                 } else {
814                                         fn.call( elems, value );
815                                         fn = null;
816                                 }
817                         }
819                         if ( fn ) {
820                                 for (; i < length; i++ ) {
821                                         fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
822                                 }
823                         }
825                         chainable = 1;
826                 }
828                 return chainable ?
829                         elems :
831                         // Gets
832                         bulk ?
833                                 fn.call( elems ) :
834                                 length ? fn( elems[0], key ) : emptyGet;
835         },
837         now: function() {
838                 return ( new Date() ).getTime();
839         }
842 jQuery.ready.promise = function( obj ) {
843         if ( !readyList ) {
845                 readyList = jQuery.Deferred();
847                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
848                 // we once tried to use readyState "interactive" here, but it caused issues like the one
849                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
850                 if ( document.readyState === "complete" ) {
851                         // Handle it asynchronously to allow scripts the opportunity to delay ready
852                         setTimeout( jQuery.ready, 1 );
854                 // Standards-based browsers support DOMContentLoaded
855                 } else if ( document.addEventListener ) {
856                         // Use the handy event callback
857                         document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
859                         // A fallback to window.onload, that will always work
860                         window.addEventListener( "load", jQuery.ready, false );
862                 // If IE event model is used
863                 } else {
864                         // Ensure firing before onload, maybe late but safe also for iframes
865                         document.attachEvent( "onreadystatechange", DOMContentLoaded );
867                         // A fallback to window.onload, that will always work
868                         window.attachEvent( "onload", jQuery.ready );
870                         // If IE and not a frame
871                         // continually check to see if the document is ready
872                         var top = false;
874                         try {
875                                 top = window.frameElement == null && document.documentElement;
876                         } catch(e) {}
878                         if ( top && top.doScroll ) {
879                                 (function doScrollCheck() {
880                                         if ( !jQuery.isReady ) {
882                                                 try {
883                                                         // Use the trick by Diego Perini
884                                                         // http://javascript.nwbox.com/IEContentLoaded/
885                                                         top.doScroll("left");
886                                                 } catch(e) {
887                                                         return setTimeout( doScrollCheck, 50 );
888                                                 }
890                                                 // and execute any waiting functions
891                                                 jQuery.ready();
892                                         }
893                                 })();
894                         }
895                 }
896         }
897         return readyList.promise( obj );
900 // Populate the class2type map
901 jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
902         class2type[ "[object " + name + "]" ] = name.toLowerCase();
905 // All jQuery objects should point back to these
906 rootjQuery = jQuery(document);
907 // String to Object options format cache
908 var optionsCache = {};
910 // Convert String-formatted options into Object-formatted ones and store in cache
911 function createOptions( options ) {
912         var object = optionsCache[ options ] = {};
913         jQuery.each( options.split( core_rspace ), function( _, flag ) {
914                 object[ flag ] = true;
915         });
916         return object;
920  * Create a callback list using the following parameters:
922  *      options: an optional list of space-separated options that will change how
923  *                      the callback list behaves or a more traditional option object
925  * By default a callback list will act like an event callback list and can be
926  * "fired" multiple times.
928  * Possible options:
930  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
932  *      memory:                 will keep track of previous values and will call any callback added
933  *                                      after the list has been fired right away with the latest "memorized"
934  *                                      values (like a Deferred)
936  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
938  *      stopOnFalse:    interrupt callings when a callback returns false
940  */
941 jQuery.Callbacks = function( options ) {
943         // Convert options from String-formatted to Object-formatted if needed
944         // (we check in cache first)
945         options = typeof options === "string" ?
946                 ( optionsCache[ options ] || createOptions( options ) ) :
947                 jQuery.extend( {}, options );
949         var // Last fire value (for non-forgettable lists)
950                 memory,
951                 // Flag to know if list was already fired
952                 fired,
953                 // Flag to know if list is currently firing
954                 firing,
955                 // First callback to fire (used internally by add and fireWith)
956                 firingStart,
957                 // End of the loop when firing
958                 firingLength,
959                 // Index of currently firing callback (modified by remove if needed)
960                 firingIndex,
961                 // Actual callback list
962                 list = [],
963                 // Stack of fire calls for repeatable lists
964                 stack = !options.once && [],
965                 // Fire callbacks
966                 fire = function( data ) {
967                         memory = options.memory && data;
968                         fired = true;
969                         firingIndex = firingStart || 0;
970                         firingStart = 0;
971                         firingLength = list.length;
972                         firing = true;
973                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
974                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
975                                         memory = false; // To prevent further calls using add
976                                         break;
977                                 }
978                         }
979                         firing = false;
980                         if ( list ) {
981                                 if ( stack ) {
982                                         if ( stack.length ) {
983                                                 fire( stack.shift() );
984                                         }
985                                 } else if ( memory ) {
986                                         list = [];
987                                 } else {
988                                         self.disable();
989                                 }
990                         }
991                 },
992                 // Actual Callbacks object
993                 self = {
994                         // Add a callback or a collection of callbacks to the list
995                         add: function() {
996                                 if ( list ) {
997                                         // First, we save the current length
998                                         var start = list.length;
999                                         (function add( args ) {
1000                                                 jQuery.each( args, function( _, arg ) {
1001                                                         var type = jQuery.type( arg );
1002                                                         if ( type === "function" ) {
1003                                                                 if ( !options.unique || !self.has( arg ) ) {
1004                                                                         list.push( arg );
1005                                                                 }
1006                                                         } else if ( arg && arg.length && type !== "string" ) {
1007                                                                 // Inspect recursively
1008                                                                 add( arg );
1009                                                         }
1010                                                 });
1011                                         })( arguments );
1012                                         // Do we need to add the callbacks to the
1013                                         // current firing batch?
1014                                         if ( firing ) {
1015                                                 firingLength = list.length;
1016                                         // With memory, if we're not firing then
1017                                         // we should call right away
1018                                         } else if ( memory ) {
1019                                                 firingStart = start;
1020                                                 fire( memory );
1021                                         }
1022                                 }
1023                                 return this;
1024                         },
1025                         // Remove a callback from the list
1026                         remove: function() {
1027                                 if ( list ) {
1028                                         jQuery.each( arguments, function( _, arg ) {
1029                                                 var index;
1030                                                 while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
1031                                                         list.splice( index, 1 );
1032                                                         // Handle firing indexes
1033                                                         if ( firing ) {
1034                                                                 if ( index <= firingLength ) {
1035                                                                         firingLength--;
1036                                                                 }
1037                                                                 if ( index <= firingIndex ) {
1038                                                                         firingIndex--;
1039                                                                 }
1040                                                         }
1041                                                 }
1042                                         });
1043                                 }
1044                                 return this;
1045                         },
1046                         // Control if a given callback is in the list
1047                         has: function( fn ) {
1048                                 return jQuery.inArray( fn, list ) > -1;
1049                         },
1050                         // Remove all callbacks from the list
1051                         empty: function() {
1052                                 list = [];
1053                                 return this;
1054                         },
1055                         // Have the list do nothing anymore
1056                         disable: function() {
1057                                 list = stack = memory = undefined;
1058                                 return this;
1059                         },
1060                         // Is it disabled?
1061                         disabled: function() {
1062                                 return !list;
1063                         },
1064                         // Lock the list in its current state
1065                         lock: function() {
1066                                 stack = undefined;
1067                                 if ( !memory ) {
1068                                         self.disable();
1069                                 }
1070                                 return this;
1071                         },
1072                         // Is it locked?
1073                         locked: function() {
1074                                 return !stack;
1075                         },
1076                         // Call all callbacks with the given context and arguments
1077                         fireWith: function( context, args ) {
1078                                 args = args || [];
1079                                 args = [ context, args.slice ? args.slice() : args ];
1080                                 if ( list && ( !fired || stack ) ) {
1081                                         if ( firing ) {
1082                                                 stack.push( args );
1083                                         } else {
1084                                                 fire( args );
1085                                         }
1086                                 }
1087                                 return this;
1088                         },
1089                         // Call all the callbacks with the given arguments
1090                         fire: function() {
1091                                 self.fireWith( this, arguments );
1092                                 return this;
1093                         },
1094                         // To know if the callbacks have already been called at least once
1095                         fired: function() {
1096                                 return !!fired;
1097                         }
1098                 };
1100         return self;
1102 jQuery.extend({
1104         Deferred: function( func ) {
1105                 var tuples = [
1106                                 // action, add listener, listener list, final state
1107                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
1108                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
1109                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
1110                         ],
1111                         state = "pending",
1112                         promise = {
1113                                 state: function() {
1114                                         return state;
1115                                 },
1116                                 always: function() {
1117                                         deferred.done( arguments ).fail( arguments );
1118                                         return this;
1119                                 },
1120                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
1121                                         var fns = arguments;
1122                                         return jQuery.Deferred(function( newDefer ) {
1123                                                 jQuery.each( tuples, function( i, tuple ) {
1124                                                         var action = tuple[ 0 ],
1125                                                                 fn = fns[ i ];
1126                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
1127                                                         deferred[ tuple[1] ]( jQuery.isFunction( fn ) ?
1128                                                                 function() {
1129                                                                         var returned = fn.apply( this, arguments );
1130                                                                         if ( returned && jQuery.isFunction( returned.promise ) ) {
1131                                                                                 returned.promise()
1132                                                                                         .done( newDefer.resolve )
1133                                                                                         .fail( newDefer.reject )
1134                                                                                         .progress( newDefer.notify );
1135                                                                         } else {
1136                                                                                 newDefer[ action + "With" ]( this === deferred ? newDefer : this, [ returned ] );
1137                                                                         }
1138                                                                 } :
1139                                                                 newDefer[ action ]
1140                                                         );
1141                                                 });
1142                                                 fns = null;
1143                                         }).promise();
1144                                 },
1145                                 // Get a promise for this deferred
1146                                 // If obj is provided, the promise aspect is added to the object
1147                                 promise: function( obj ) {
1148                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
1149                                 }
1150                         },
1151                         deferred = {};
1153                 // Keep pipe for back-compat
1154                 promise.pipe = promise.then;
1156                 // Add list-specific methods
1157                 jQuery.each( tuples, function( i, tuple ) {
1158                         var list = tuple[ 2 ],
1159                                 stateString = tuple[ 3 ];
1161                         // promise[ done | fail | progress ] = list.add
1162                         promise[ tuple[1] ] = list.add;
1164                         // Handle state
1165                         if ( stateString ) {
1166                                 list.add(function() {
1167                                         // state = [ resolved | rejected ]
1168                                         state = stateString;
1170                                 // [ reject_list | resolve_list ].disable; progress_list.lock
1171                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
1172                         }
1174                         // deferred[ resolve | reject | notify ] = list.fire
1175                         deferred[ tuple[0] ] = list.fire;
1176                         deferred[ tuple[0] + "With" ] = list.fireWith;
1177                 });
1179                 // Make the deferred a promise
1180                 promise.promise( deferred );
1182                 // Call given func if any
1183                 if ( func ) {
1184                         func.call( deferred, deferred );
1185                 }
1187                 // All done!
1188                 return deferred;
1189         },
1191         // Deferred helper
1192         when: function( subordinate /* , ..., subordinateN */ ) {
1193                 var i = 0,
1194                         resolveValues = core_slice.call( arguments ),
1195                         length = resolveValues.length,
1197                         // the count of uncompleted subordinates
1198                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
1200                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
1201                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
1203                         // Update function for both resolve and progress values
1204                         updateFunc = function( i, contexts, values ) {
1205                                 return function( value ) {
1206                                         contexts[ i ] = this;
1207                                         values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
1208                                         if( values === progressValues ) {
1209                                                 deferred.notifyWith( contexts, values );
1210                                         } else if ( !( --remaining ) ) {
1211                                                 deferred.resolveWith( contexts, values );
1212                                         }
1213                                 };
1214                         },
1216                         progressValues, progressContexts, resolveContexts;
1218                 // add listeners to Deferred subordinates; treat others as resolved
1219                 if ( length > 1 ) {
1220                         progressValues = new Array( length );
1221                         progressContexts = new Array( length );
1222                         resolveContexts = new Array( length );
1223                         for ( ; i < length; i++ ) {
1224                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
1225                                         resolveValues[ i ].promise()
1226                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
1227                                                 .fail( deferred.reject )
1228                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
1229                                 } else {
1230                                         --remaining;
1231                                 }
1232                         }
1233                 }
1235                 // if we're not waiting on anything, resolve the master
1236                 if ( !remaining ) {
1237                         deferred.resolveWith( resolveContexts, resolveValues );
1238                 }
1240                 return deferred.promise();
1241         }
1243 jQuery.support = (function() {
1245         var support,
1246                 all,
1247                 a,
1248                 select,
1249                 opt,
1250                 input,
1251                 fragment,
1252                 eventName,
1253                 i,
1254                 isSupported,
1255                 clickFn,
1256                 div = document.createElement("div");
1258         // Setup
1259         div.setAttribute( "className", "t" );
1260         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
1262         // Support tests won't run in some limited or non-browser environments
1263         all = div.getElementsByTagName("*");
1264         a = div.getElementsByTagName("a")[ 0 ];
1265         if ( !all || !a || !all.length ) {
1266                 return {};
1267         }
1269         // First batch of tests
1270         select = document.createElement("select");
1271         opt = select.appendChild( document.createElement("option") );
1272         input = div.getElementsByTagName("input")[ 0 ];
1274         a.style.cssText = "top:1px;float:left;opacity:.5";
1275         support = {
1276                 // IE strips leading whitespace when .innerHTML is used
1277                 leadingWhitespace: ( div.firstChild.nodeType === 3 ),
1279                 // Make sure that tbody elements aren't automatically inserted
1280                 // IE will insert them into empty tables
1281                 tbody: !div.getElementsByTagName("tbody").length,
1283                 // Make sure that link elements get serialized correctly by innerHTML
1284                 // This requires a wrapper element in IE
1285                 htmlSerialize: !!div.getElementsByTagName("link").length,
1287                 // Get the style information from getAttribute
1288                 // (IE uses .cssText instead)
1289                 style: /top/.test( a.getAttribute("style") ),
1291                 // Make sure that URLs aren't manipulated
1292                 // (IE normalizes it by default)
1293                 hrefNormalized: ( a.getAttribute("href") === "/a" ),
1295                 // Make sure that element opacity exists
1296                 // (IE uses filter instead)
1297                 // Use a regex to work around a WebKit issue. See #5145
1298                 opacity: /^0.5/.test( a.style.opacity ),
1300                 // Verify style float existence
1301                 // (IE uses styleFloat instead of cssFloat)
1302                 cssFloat: !!a.style.cssFloat,
1304                 // Make sure that if no value is specified for a checkbox
1305                 // that it defaults to "on".
1306                 // (WebKit defaults to "" instead)
1307                 checkOn: ( input.value === "on" ),
1309                 // Make sure that a selected-by-default option has a working selected property.
1310                 // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
1311                 optSelected: opt.selected,
1313                 // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
1314                 getSetAttribute: div.className !== "t",
1316                 // Tests for enctype support on a form (#6743)
1317                 enctype: !!document.createElement("form").enctype,
1319                 // Makes sure cloning an html5 element does not cause problems
1320                 // Where outerHTML is undefined, this still works
1321                 html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
1323                 // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
1324                 boxModel: ( document.compatMode === "CSS1Compat" ),
1326                 // Will be defined later
1327                 submitBubbles: true,
1328                 changeBubbles: true,
1329                 focusinBubbles: false,
1330                 deleteExpando: true,
1331                 noCloneEvent: true,
1332                 inlineBlockNeedsLayout: false,
1333                 shrinkWrapBlocks: false,
1334                 reliableMarginRight: true,
1335                 boxSizingReliable: true,
1336                 pixelPosition: false
1337         };
1339         // Make sure checked status is properly cloned
1340         input.checked = true;
1341         support.noCloneChecked = input.cloneNode( true ).checked;
1343         // Make sure that the options inside disabled selects aren't marked as disabled
1344         // (WebKit marks them as disabled)
1345         select.disabled = true;
1346         support.optDisabled = !opt.disabled;
1348         // Test to see if it's possible to delete an expando from an element
1349         // Fails in Internet Explorer
1350         try {
1351                 delete div.test;
1352         } catch( e ) {
1353                 support.deleteExpando = false;
1354         }
1356         if ( !div.addEventListener && div.attachEvent && div.fireEvent ) {
1357                 div.attachEvent( "onclick", clickFn = function() {
1358                         // Cloning a node shouldn't copy over any
1359                         // bound event handlers (IE does this)
1360                         support.noCloneEvent = false;
1361                 });
1362                 div.cloneNode( true ).fireEvent("onclick");
1363                 div.detachEvent( "onclick", clickFn );
1364         }
1366         // Check if a radio maintains its value
1367         // after being appended to the DOM
1368         input = document.createElement("input");
1369         input.value = "t";
1370         input.setAttribute( "type", "radio" );
1371         support.radioValue = input.value === "t";
1373         input.setAttribute( "checked", "checked" );
1375         // #11217 - WebKit loses check when the name is after the checked attribute
1376         input.setAttribute( "name", "t" );
1378         div.appendChild( input );
1379         fragment = document.createDocumentFragment();
1380         fragment.appendChild( div.lastChild );
1382         // WebKit doesn't clone checked state correctly in fragments
1383         support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
1385         // Check if a disconnected checkbox will retain its checked
1386         // value of true after appended to the DOM (IE6/7)
1387         support.appendChecked = input.checked;
1389         fragment.removeChild( input );
1390         fragment.appendChild( div );
1392         // Technique from Juriy Zaytsev
1393         // http://perfectionkills.com/detecting-event-support-without-browser-sniffing/
1394         // We only care about the case where non-standard event systems
1395         // are used, namely in IE. Short-circuiting here helps us to
1396         // avoid an eval call (in setAttribute) which can cause CSP
1397         // to go haywire. See: https://developer.mozilla.org/en/Security/CSP
1398         if ( div.attachEvent ) {
1399                 for ( i in {
1400                         submit: true,
1401                         change: true,
1402                         focusin: true
1403                 }) {
1404                         eventName = "on" + i;
1405                         isSupported = ( eventName in div );
1406                         if ( !isSupported ) {
1407                                 div.setAttribute( eventName, "return;" );
1408                                 isSupported = ( typeof div[ eventName ] === "function" );
1409                         }
1410                         support[ i + "Bubbles" ] = isSupported;
1411                 }
1412         }
1414         // Run tests that need a body at doc ready
1415         jQuery(function() {
1416                 var container, div, tds, marginDiv,
1417                         divReset = "padding:0;margin:0;border:0;display:block;overflow:hidden;",
1418                         body = document.getElementsByTagName("body")[0];
1420                 if ( !body ) {
1421                         // Return for frameset docs that don't have a body
1422                         return;
1423                 }
1425                 container = document.createElement("div");
1426                 container.style.cssText = "visibility:hidden;border:0;width:0;height:0;position:static;top:0;margin-top:1px";
1427                 body.insertBefore( container, body.firstChild );
1429                 // Construct the test element
1430                 div = document.createElement("div");
1431                 container.appendChild( div );
1433                 // Check if table cells still have offsetWidth/Height when they are set
1434                 // to display:none and there are still other visible table cells in a
1435                 // table row; if so, offsetWidth/Height are not reliable for use when
1436                 // determining if an element has been hidden directly using
1437                 // display:none (it is still safe to use offsets if a parent element is
1438                 // hidden; don safety goggles and see bug #4512 for more information).
1439                 // (only IE 8 fails this test)
1440                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
1441                 tds = div.getElementsByTagName("td");
1442                 tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
1443                 isSupported = ( tds[ 0 ].offsetHeight === 0 );
1445                 tds[ 0 ].style.display = "";
1446                 tds[ 1 ].style.display = "none";
1448                 // Check if empty table cells still have offsetWidth/Height
1449                 // (IE <= 8 fail this test)
1450                 support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
1452                 // Check box-sizing and margin behavior
1453                 div.innerHTML = "";
1454                 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%;";
1455                 support.boxSizing = ( div.offsetWidth === 4 );
1456                 support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );
1458                 // NOTE: To any future maintainer, we've window.getComputedStyle
1459                 // because jsdom on node.js will break without it.
1460                 if ( window.getComputedStyle ) {
1461                         support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
1462                         support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
1464                         // Check if div with explicit width and no margin-right incorrectly
1465                         // gets computed margin-right based on width of container. For more
1466                         // info see bug #3333
1467                         // Fails in WebKit before Feb 2011 nightlies
1468                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
1469                         marginDiv = document.createElement("div");
1470                         marginDiv.style.cssText = div.style.cssText = divReset;
1471                         marginDiv.style.marginRight = marginDiv.style.width = "0";
1472                         div.style.width = "1px";
1473                         div.appendChild( marginDiv );
1474                         support.reliableMarginRight =
1475                                 !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
1476                 }
1478                 if ( typeof div.style.zoom !== "undefined" ) {
1479                         // Check if natively block-level elements act like inline-block
1480                         // elements when setting their display to 'inline' and giving
1481                         // them layout
1482                         // (IE < 8 does this)
1483                         div.innerHTML = "";
1484                         div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
1485                         support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
1487                         // Check if elements with layout shrink-wrap their children
1488                         // (IE 6 does this)
1489                         div.style.display = "block";
1490                         div.style.overflow = "visible";
1491                         div.innerHTML = "<div></div>";
1492                         div.firstChild.style.width = "5px";
1493                         support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
1495                         container.style.zoom = 1;
1496                 }
1498                 // Null elements to avoid leaks in IE
1499                 body.removeChild( container );
1500                 container = div = tds = marginDiv = null;
1501         });
1503         // Null elements to avoid leaks in IE
1504         fragment.removeChild( div );
1505         all = a = select = opt = input = fragment = div = null;
1507         return support;
1508 })();
1509 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
1510         rmultiDash = /([A-Z])/g;
1512 jQuery.extend({
1513         cache: {},
1515         deletedIds: [],
1517         // Remove at next major release (1.9/2.0)
1518         uuid: 0,
1520         // Unique for each copy of jQuery on the page
1521         // Non-digits removed to match rinlinejQuery
1522         expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
1524         // The following elements throw uncatchable exceptions if you
1525         // attempt to add expando properties to them.
1526         noData: {
1527                 "embed": true,
1528                 // Ban all objects except for Flash (which handle expandos)
1529                 "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
1530                 "applet": true
1531         },
1533         hasData: function( elem ) {
1534                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
1535                 return !!elem && !isEmptyDataObject( elem );
1536         },
1538         data: function( elem, name, data, pvt /* Internal Use Only */ ) {
1539                 if ( !jQuery.acceptData( elem ) ) {
1540                         return;
1541                 }
1543                 var thisCache, ret,
1544                         internalKey = jQuery.expando,
1545                         getByName = typeof name === "string",
1547                         // We have to handle DOM nodes and JS objects differently because IE6-7
1548                         // can't GC object references properly across the DOM-JS boundary
1549                         isNode = elem.nodeType,
1551                         // Only DOM nodes need the global jQuery cache; JS object data is
1552                         // attached directly to the object so GC can occur automatically
1553                         cache = isNode ? jQuery.cache : elem,
1555                         // Only defining an ID for JS objects if its cache already exists allows
1556                         // the code to shortcut on the same path as a DOM node with no cache
1557                         id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
1559                 // Avoid doing any more work than we need to when trying to get data on an
1560                 // object that has no data at all
1561                 if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
1562                         return;
1563                 }
1565                 if ( !id ) {
1566                         // Only DOM nodes need a new unique ID for each element since their data
1567                         // ends up in the global cache
1568                         if ( isNode ) {
1569                                 elem[ internalKey ] = id = jQuery.deletedIds.pop() || jQuery.guid++;
1570                         } else {
1571                                 id = internalKey;
1572                         }
1573                 }
1575                 if ( !cache[ id ] ) {
1576                         cache[ id ] = {};
1578                         // Avoids exposing jQuery metadata on plain JS objects when the object
1579                         // is serialized using JSON.stringify
1580                         if ( !isNode ) {
1581                                 cache[ id ].toJSON = jQuery.noop;
1582                         }
1583                 }
1585                 // An object can be passed to jQuery.data instead of a key/value pair; this gets
1586                 // shallow copied over onto the existing cache
1587                 if ( typeof name === "object" || typeof name === "function" ) {
1588                         if ( pvt ) {
1589                                 cache[ id ] = jQuery.extend( cache[ id ], name );
1590                         } else {
1591                                 cache[ id ].data = jQuery.extend( cache[ id ].data, name );
1592                         }
1593                 }
1595                 thisCache = cache[ id ];
1597                 // jQuery data() is stored in a separate object inside the object's internal data
1598                 // cache in order to avoid key collisions between internal data and user-defined
1599                 // data.
1600                 if ( !pvt ) {
1601                         if ( !thisCache.data ) {
1602                                 thisCache.data = {};
1603                         }
1605                         thisCache = thisCache.data;
1606                 }
1608                 if ( data !== undefined ) {
1609                         thisCache[ jQuery.camelCase( name ) ] = data;
1610                 }
1612                 // Check for both converted-to-camel and non-converted data property names
1613                 // If a data property was specified
1614                 if ( getByName ) {
1616                         // First Try to find as-is property data
1617                         ret = thisCache[ name ];
1619                         // Test for null|undefined property data
1620                         if ( ret == null ) {
1622                                 // Try to find the camelCased property
1623                                 ret = thisCache[ jQuery.camelCase( name ) ];
1624                         }
1625                 } else {
1626                         ret = thisCache;
1627                 }
1629                 return ret;
1630         },
1632         removeData: function( elem, name, pvt /* Internal Use Only */ ) {
1633                 if ( !jQuery.acceptData( elem ) ) {
1634                         return;
1635                 }
1637                 var thisCache, i, l,
1639                         isNode = elem.nodeType,
1641                         // See jQuery.data for more information
1642                         cache = isNode ? jQuery.cache : elem,
1643                         id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
1645                 // If there is already no cache entry for this object, there is no
1646                 // purpose in continuing
1647                 if ( !cache[ id ] ) {
1648                         return;
1649                 }
1651                 if ( name ) {
1653                         thisCache = pvt ? cache[ id ] : cache[ id ].data;
1655                         if ( thisCache ) {
1657                                 // Support array or space separated string names for data keys
1658                                 if ( !jQuery.isArray( name ) ) {
1660                                         // try the string as a key before any manipulation
1661                                         if ( name in thisCache ) {
1662                                                 name = [ name ];
1663                                         } else {
1665                                                 // split the camel cased version by spaces unless a key with the spaces exists
1666                                                 name = jQuery.camelCase( name );
1667                                                 if ( name in thisCache ) {
1668                                                         name = [ name ];
1669                                                 } else {
1670                                                         name = name.split(" ");
1671                                                 }
1672                                         }
1673                                 }
1675                                 for ( i = 0, l = name.length; i < l; i++ ) {
1676                                         delete thisCache[ name[i] ];
1677                                 }
1679                                 // If there is no data left in the cache, we want to continue
1680                                 // and let the cache object itself get destroyed
1681                                 if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
1682                                         return;
1683                                 }
1684                         }
1685                 }
1687                 // See jQuery.data for more information
1688                 if ( !pvt ) {
1689                         delete cache[ id ].data;
1691                         // Don't destroy the parent cache unless the internal data object
1692                         // had been the only thing left in it
1693                         if ( !isEmptyDataObject( cache[ id ] ) ) {
1694                                 return;
1695                         }
1696                 }
1698                 // Destroy the cache
1699                 if ( isNode ) {
1700                         jQuery.cleanData( [ elem ], true );
1702                 // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
1703                 } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
1704                         delete cache[ id ];
1706                 // When all else fails, null
1707                 } else {
1708                         cache[ id ] = null;
1709                 }
1710         },
1712         // For internal use only.
1713         _data: function( elem, name, data ) {
1714                 return jQuery.data( elem, name, data, true );
1715         },
1717         // A method for determining if a DOM node can handle the data expando
1718         acceptData: function( elem ) {
1719                 var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
1721                 // nodes accept data unless otherwise specified; rejection can be conditional
1722                 return !noData || noData !== true && elem.getAttribute("classid") === noData;
1723         }
1726 jQuery.fn.extend({
1727         data: function( key, value ) {
1728                 var parts, part, attr, name, l,
1729                         elem = this[0],
1730                         i = 0,
1731                         data = null;
1733                 // Gets all values
1734                 if ( key === undefined ) {
1735                         if ( this.length ) {
1736                                 data = jQuery.data( elem );
1738                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
1739                                         attr = elem.attributes;
1740                                         for ( l = attr.length; i < l; i++ ) {
1741                                                 name = attr[i].name;
1743                                                 if ( !name.indexOf( "data-" ) ) {
1744                                                         name = jQuery.camelCase( name.substring(5) );
1746                                                         dataAttr( elem, name, data[ name ] );
1747                                                 }
1748                                         }
1749                                         jQuery._data( elem, "parsedAttrs", true );
1750                                 }
1751                         }
1753                         return data;
1754                 }
1756                 // Sets multiple values
1757                 if ( typeof key === "object" ) {
1758                         return this.each(function() {
1759                                 jQuery.data( this, key );
1760                         });
1761                 }
1763                 parts = key.split( ".", 2 );
1764                 parts[1] = parts[1] ? "." + parts[1] : "";
1765                 part = parts[1] + "!";
1767                 return jQuery.access( this, function( value ) {
1769                         if ( value === undefined ) {
1770                                 data = this.triggerHandler( "getData" + part, [ parts[0] ] );
1772                                 // Try to fetch any internally stored data first
1773                                 if ( data === undefined && elem ) {
1774                                         data = jQuery.data( elem, key );
1775                                         data = dataAttr( elem, key, data );
1776                                 }
1778                                 return data === undefined && parts[1] ?
1779                                         this.data( parts[0] ) :
1780                                         data;
1781                         }
1783                         parts[1] = value;
1784                         this.each(function() {
1785                                 var self = jQuery( this );
1787                                 self.triggerHandler( "setData" + part, parts );
1788                                 jQuery.data( this, key, value );
1789                                 self.triggerHandler( "changeData" + part, parts );
1790                         });
1791                 }, null, value, arguments.length > 1, null, false );
1792         },
1794         removeData: function( key ) {
1795                 return this.each(function() {
1796                         jQuery.removeData( this, key );
1797                 });
1798         }
1801 function dataAttr( elem, key, data ) {
1802         // If nothing was found internally, try to fetch any
1803         // data from the HTML5 data-* attribute
1804         if ( data === undefined && elem.nodeType === 1 ) {
1806                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
1808                 data = elem.getAttribute( name );
1810                 if ( typeof data === "string" ) {
1811                         try {
1812                                 data = data === "true" ? true :
1813                                 data === "false" ? false :
1814                                 data === "null" ? null :
1815                                 // Only convert to a number if it doesn't change the string
1816                                 +data + "" === data ? +data :
1817                                 rbrace.test( data ) ? jQuery.parseJSON( data ) :
1818                                         data;
1819                         } catch( e ) {}
1821                         // Make sure we set the data so it isn't changed later
1822                         jQuery.data( elem, key, data );
1824                 } else {
1825                         data = undefined;
1826                 }
1827         }
1829         return data;
1832 // checks a cache object for emptiness
1833 function isEmptyDataObject( obj ) {
1834         var name;
1835         for ( name in obj ) {
1837                 // if the public data object is empty, the private is still empty
1838                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
1839                         continue;
1840                 }
1841                 if ( name !== "toJSON" ) {
1842                         return false;
1843                 }
1844         }
1846         return true;
1848 jQuery.extend({
1849         queue: function( elem, type, data ) {
1850                 var queue;
1852                 if ( elem ) {
1853                         type = ( type || "fx" ) + "queue";
1854                         queue = jQuery._data( elem, type );
1856                         // Speed up dequeue by getting out quickly if this is just a lookup
1857                         if ( data ) {
1858                                 if ( !queue || jQuery.isArray(data) ) {
1859                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
1860                                 } else {
1861                                         queue.push( data );
1862                                 }
1863                         }
1864                         return queue || [];
1865                 }
1866         },
1868         dequeue: function( elem, type ) {
1869                 type = type || "fx";
1871                 var queue = jQuery.queue( elem, type ),
1872                         startLength = queue.length,
1873                         fn = queue.shift(),
1874                         hooks = jQuery._queueHooks( elem, type ),
1875                         next = function() {
1876                                 jQuery.dequeue( elem, type );
1877                         };
1879                 // If the fx queue is dequeued, always remove the progress sentinel
1880                 if ( fn === "inprogress" ) {
1881                         fn = queue.shift();
1882                         startLength--;
1883                 }
1885                 if ( fn ) {
1887                         // Add a progress sentinel to prevent the fx queue from being
1888                         // automatically dequeued
1889                         if ( type === "fx" ) {
1890                                 queue.unshift( "inprogress" );
1891                         }
1893                         // clear up the last queue stop function
1894                         delete hooks.stop;
1895                         fn.call( elem, next, hooks );
1896                 }
1898                 if ( !startLength && hooks ) {
1899                         hooks.empty.fire();
1900                 }
1901         },
1903         // not intended for public consumption - generates a queueHooks object, or returns the current one
1904         _queueHooks: function( elem, type ) {
1905                 var key = type + "queueHooks";
1906                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
1907                         empty: jQuery.Callbacks("once memory").add(function() {
1908                                 jQuery.removeData( elem, type + "queue", true );
1909                                 jQuery.removeData( elem, key, true );
1910                         })
1911                 });
1912         }
1915 jQuery.fn.extend({
1916         queue: function( type, data ) {
1917                 var setter = 2;
1919                 if ( typeof type !== "string" ) {
1920                         data = type;
1921                         type = "fx";
1922                         setter--;
1923                 }
1925                 if ( arguments.length < setter ) {
1926                         return jQuery.queue( this[0], type );
1927                 }
1929                 return data === undefined ?
1930                         this :
1931                         this.each(function() {
1932                                 var queue = jQuery.queue( this, type, data );
1934                                 // ensure a hooks for this queue
1935                                 jQuery._queueHooks( this, type );
1937                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
1938                                         jQuery.dequeue( this, type );
1939                                 }
1940                         });
1941         },
1942         dequeue: function( type ) {
1943                 return this.each(function() {
1944                         jQuery.dequeue( this, type );
1945                 });
1946         },
1947         // Based off of the plugin by Clint Helfers, with permission.
1948         // http://blindsignals.com/index.php/2009/07/jquery-delay/
1949         delay: function( time, type ) {
1950                 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
1951                 type = type || "fx";
1953                 return this.queue( type, function( next, hooks ) {
1954                         var timeout = setTimeout( next, time );
1955                         hooks.stop = function() {
1956                                 clearTimeout( timeout );
1957                         };
1958                 });
1959         },
1960         clearQueue: function( type ) {
1961                 return this.queue( type || "fx", [] );
1962         },
1963         // Get a promise resolved when queues of a certain type
1964         // are emptied (fx is the type by default)
1965         promise: function( type, obj ) {
1966                 var tmp,
1967                         count = 1,
1968                         defer = jQuery.Deferred(),
1969                         elements = this,
1970                         i = this.length,
1971                         resolve = function() {
1972                                 if ( !( --count ) ) {
1973                                         defer.resolveWith( elements, [ elements ] );
1974                                 }
1975                         };
1977                 if ( typeof type !== "string" ) {
1978                         obj = type;
1979                         type = undefined;
1980                 }
1981                 type = type || "fx";
1983                 while( i-- ) {
1984                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
1985                         if ( tmp && tmp.empty ) {
1986                                 count++;
1987                                 tmp.empty.add( resolve );
1988                         }
1989                 }
1990                 resolve();
1991                 return defer.promise( obj );
1992         }
1994 var nodeHook, boolHook, fixSpecified,
1995         rclass = /[\t\r\n]/g,
1996         rreturn = /\r/g,
1997         rtype = /^(?:button|input)$/i,
1998         rfocusable = /^(?:button|input|object|select|textarea)$/i,
1999         rclickable = /^a(?:rea|)$/i,
2000         rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
2001         getSetAttribute = jQuery.support.getSetAttribute;
2003 jQuery.fn.extend({
2004         attr: function( name, value ) {
2005                 return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
2006         },
2008         removeAttr: function( name ) {
2009                 return this.each(function() {
2010                         jQuery.removeAttr( this, name );
2011                 });
2012         },
2014         prop: function( name, value ) {
2015                 return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
2016         },
2018         removeProp: function( name ) {
2019                 name = jQuery.propFix[ name ] || name;
2020                 return this.each(function() {
2021                         // try/catch handles cases where IE balks (such as removing a property on window)
2022                         try {
2023                                 this[ name ] = undefined;
2024                                 delete this[ name ];
2025                         } catch( e ) {}
2026                 });
2027         },
2029         addClass: function( value ) {
2030                 var classNames, i, l, elem,
2031                         setClass, c, cl;
2033                 if ( jQuery.isFunction( value ) ) {
2034                         return this.each(function( j ) {
2035                                 jQuery( this ).addClass( value.call(this, j, this.className) );
2036                         });
2037                 }
2039                 if ( value && typeof value === "string" ) {
2040                         classNames = value.split( core_rspace );
2042                         for ( i = 0, l = this.length; i < l; i++ ) {
2043                                 elem = this[ i ];
2045                                 if ( elem.nodeType === 1 ) {
2046                                         if ( !elem.className && classNames.length === 1 ) {
2047                                                 elem.className = value;
2049                                         } else {
2050                                                 setClass = " " + elem.className + " ";
2052                                                 for ( c = 0, cl = classNames.length; c < cl; c++ ) {
2053                                                         if ( setClass.indexOf( " " + classNames[ c ] + " " ) < 0 ) {
2054                                                                 setClass += classNames[ c ] + " ";
2055                                                         }
2056                                                 }
2057                                                 elem.className = jQuery.trim( setClass );
2058                                         }
2059                                 }
2060                         }
2061                 }
2063                 return this;
2064         },
2066         removeClass: function( value ) {
2067                 var removes, className, elem, c, cl, i, l;
2069                 if ( jQuery.isFunction( value ) ) {
2070                         return this.each(function( j ) {
2071                                 jQuery( this ).removeClass( value.call(this, j, this.className) );
2072                         });
2073                 }
2074                 if ( (value && typeof value === "string") || value === undefined ) {
2075                         removes = ( value || "" ).split( core_rspace );
2077                         for ( i = 0, l = this.length; i < l; i++ ) {
2078                                 elem = this[ i ];
2079                                 if ( elem.nodeType === 1 && elem.className ) {
2081                                         className = (" " + elem.className + " ").replace( rclass, " " );
2083                                         // loop over each item in the removal list
2084                                         for ( c = 0, cl = removes.length; c < cl; c++ ) {
2085                                                 // Remove until there is nothing to remove,
2086                                                 while ( className.indexOf(" " + removes[ c ] + " ") >= 0 ) {
2087                                                         className = className.replace( " " + removes[ c ] + " " , " " );
2088                                                 }
2089                                         }
2090                                         elem.className = value ? jQuery.trim( className ) : "";
2091                                 }
2092                         }
2093                 }
2095                 return this;
2096         },
2098         toggleClass: function( value, stateVal ) {
2099                 var type = typeof value,
2100                         isBool = typeof stateVal === "boolean";
2102                 if ( jQuery.isFunction( value ) ) {
2103                         return this.each(function( i ) {
2104                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
2105                         });
2106                 }
2108                 return this.each(function() {
2109                         if ( type === "string" ) {
2110                                 // toggle individual class names
2111                                 var className,
2112                                         i = 0,
2113                                         self = jQuery( this ),
2114                                         state = stateVal,
2115                                         classNames = value.split( core_rspace );
2117                                 while ( (className = classNames[ i++ ]) ) {
2118                                         // check each className given, space separated list
2119                                         state = isBool ? state : !self.hasClass( className );
2120                                         self[ state ? "addClass" : "removeClass" ]( className );
2121                                 }
2123                         } else if ( type === "undefined" || type === "boolean" ) {
2124                                 if ( this.className ) {
2125                                         // store className if set
2126                                         jQuery._data( this, "__className__", this.className );
2127                                 }
2129                                 // toggle whole className
2130                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
2131                         }
2132                 });
2133         },
2135         hasClass: function( selector ) {
2136                 var className = " " + selector + " ",
2137                         i = 0,
2138                         l = this.length;
2139                 for ( ; i < l; i++ ) {
2140                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
2141                                 return true;
2142                         }
2143                 }
2145                 return false;
2146         },
2148         val: function( value ) {
2149                 var hooks, ret, isFunction,
2150                         elem = this[0];
2152                 if ( !arguments.length ) {
2153                         if ( elem ) {
2154                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
2156                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
2157                                         return ret;
2158                                 }
2160                                 ret = elem.value;
2162                                 return typeof ret === "string" ?
2163                                         // handle most common string cases
2164                                         ret.replace(rreturn, "") :
2165                                         // handle cases where value is null/undef or number
2166                                         ret == null ? "" : ret;
2167                         }
2169                         return;
2170                 }
2172                 isFunction = jQuery.isFunction( value );
2174                 return this.each(function( i ) {
2175                         var val,
2176                                 self = jQuery(this);
2178                         if ( this.nodeType !== 1 ) {
2179                                 return;
2180                         }
2182                         if ( isFunction ) {
2183                                 val = value.call( this, i, self.val() );
2184                         } else {
2185                                 val = value;
2186                         }
2188                         // Treat null/undefined as ""; convert numbers to string
2189                         if ( val == null ) {
2190                                 val = "";
2191                         } else if ( typeof val === "number" ) {
2192                                 val += "";
2193                         } else if ( jQuery.isArray( val ) ) {
2194                                 val = jQuery.map(val, function ( value ) {
2195                                         return value == null ? "" : value + "";
2196                                 });
2197                         }
2199                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
2201                         // If set returns undefined, fall back to normal setting
2202                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
2203                                 this.value = val;
2204                         }
2205                 });
2206         }
2209 jQuery.extend({
2210         valHooks: {
2211                 option: {
2212                         get: function( elem ) {
2213                                 // attributes.value is undefined in Blackberry 4.7 but
2214                                 // uses .value. See #6932
2215                                 var val = elem.attributes.value;
2216                                 return !val || val.specified ? elem.value : elem.text;
2217                         }
2218                 },
2219                 select: {
2220                         get: function( elem ) {
2221                                 var value, option,
2222                                         options = elem.options,
2223                                         index = elem.selectedIndex,
2224                                         one = elem.type === "select-one" || index < 0,
2225                                         values = one ? null : [],
2226                                         max = one ? index + 1 : options.length,
2227                                         i = index < 0 ?
2228                                                 max :
2229                                                 one ? index : 0;
2231                                 // Loop through all the selected options
2232                                 for ( ; i < max; i++ ) {
2233                                         option = options[ i ];
2235                                         // oldIE doesn't update selected after form reset (#2551)
2236                                         if ( ( option.selected || i === index ) &&
2237                                                         // Don't return options that are disabled or in a disabled optgroup
2238                                                         ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
2239                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
2241                                                 // Get the specific value for the option
2242                                                 value = jQuery( option ).val();
2244                                                 // We don't need an array for one selects
2245                                                 if ( one ) {
2246                                                         return value;
2247                                                 }
2249                                                 // Multi-Selects return an array
2250                                                 values.push( value );
2251                                         }
2252                                 }
2254                                 return values;
2255                         },
2257                         set: function( elem, value ) {
2258                                 var values = jQuery.makeArray( value );
2260                                 jQuery(elem).find("option").each(function() {
2261                                         this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
2262                                 });
2264                                 if ( !values.length ) {
2265                                         elem.selectedIndex = -1;
2266                                 }
2267                                 return values;
2268                         }
2269                 }
2270         },
2272         // Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9
2273         attrFn: {},
2275         attr: function( elem, name, value, pass ) {
2276                 var ret, hooks, notxml,
2277                         nType = elem.nodeType;
2279                 // don't get/set attributes on text, comment and attribute nodes
2280                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
2281                         return;
2282                 }
2284                 if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) {
2285                         return jQuery( elem )[ name ]( value );
2286                 }
2288                 // Fallback to prop when attributes are not supported
2289                 if ( typeof elem.getAttribute === "undefined" ) {
2290                         return jQuery.prop( elem, name, value );
2291                 }
2293                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
2295                 // All attributes are lowercase
2296                 // Grab necessary hook if one is defined
2297                 if ( notxml ) {
2298                         name = name.toLowerCase();
2299                         hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
2300                 }
2302                 if ( value !== undefined ) {
2304                         if ( value === null ) {
2305                                 jQuery.removeAttr( elem, name );
2306                                 return;
2308                         } else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {
2309                                 return ret;
2311                         } else {
2312                                 elem.setAttribute( name, value + "" );
2313                                 return value;
2314                         }
2316                 } else if ( hooks && "get" in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) {
2317                         return ret;
2319                 } else {
2321                         ret = elem.getAttribute( name );
2323                         // Non-existent attributes return null, we normalize to undefined
2324                         return ret === null ?
2325                                 undefined :
2326                                 ret;
2327                 }
2328         },
2330         removeAttr: function( elem, value ) {
2331                 var propName, attrNames, name, isBool,
2332                         i = 0;
2334                 if ( value && elem.nodeType === 1 ) {
2336                         attrNames = value.split( core_rspace );
2338                         for ( ; i < attrNames.length; i++ ) {
2339                                 name = attrNames[ i ];
2341                                 if ( name ) {
2342                                         propName = jQuery.propFix[ name ] || name;
2343                                         isBool = rboolean.test( name );
2345                                         // See #9699 for explanation of this approach (setting first, then removal)
2346                                         // Do not do this for boolean attributes (see #10870)
2347                                         if ( !isBool ) {
2348                                                 jQuery.attr( elem, name, "" );
2349                                         }
2350                                         elem.removeAttribute( getSetAttribute ? name : propName );
2352                                         // Set corresponding property to false for boolean attributes
2353                                         if ( isBool && propName in elem ) {
2354                                                 elem[ propName ] = false;
2355                                         }
2356                                 }
2357                         }
2358                 }
2359         },
2361         attrHooks: {
2362                 type: {
2363                         set: function( elem, value ) {
2364                                 // We can't allow the type property to be changed (since it causes problems in IE)
2365                                 if ( rtype.test( elem.nodeName ) && elem.parentNode ) {
2366                                         jQuery.error( "type property can't be changed" );
2367                                 } else if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
2368                                         // Setting the type on a radio button after the value resets the value in IE6-9
2369                                         // Reset value to it's default in case type is set after value
2370                                         // This is for element creation
2371                                         var val = elem.value;
2372                                         elem.setAttribute( "type", value );
2373                                         if ( val ) {
2374                                                 elem.value = val;
2375                                         }
2376                                         return value;
2377                                 }
2378                         }
2379                 },
2380                 // Use the value property for back compat
2381                 // Use the nodeHook for button elements in IE6/7 (#1954)
2382                 value: {
2383                         get: function( elem, name ) {
2384                                 if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
2385                                         return nodeHook.get( elem, name );
2386                                 }
2387                                 return name in elem ?
2388                                         elem.value :
2389                                         null;
2390                         },
2391                         set: function( elem, value, name ) {
2392                                 if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
2393                                         return nodeHook.set( elem, value, name );
2394                                 }
2395                                 // Does not return so that setAttribute is also used
2396                                 elem.value = value;
2397                         }
2398                 }
2399         },
2401         propFix: {
2402                 tabindex: "tabIndex",
2403                 readonly: "readOnly",
2404                 "for": "htmlFor",
2405                 "class": "className",
2406                 maxlength: "maxLength",
2407                 cellspacing: "cellSpacing",
2408                 cellpadding: "cellPadding",
2409                 rowspan: "rowSpan",
2410                 colspan: "colSpan",
2411                 usemap: "useMap",
2412                 frameborder: "frameBorder",
2413                 contenteditable: "contentEditable"
2414         },
2416         prop: function( elem, name, value ) {
2417                 var ret, hooks, notxml,
2418                         nType = elem.nodeType;
2420                 // don't get/set properties on text, comment and attribute nodes
2421                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
2422                         return;
2423                 }
2425                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
2427                 if ( notxml ) {
2428                         // Fix name and attach hooks
2429                         name = jQuery.propFix[ name ] || name;
2430                         hooks = jQuery.propHooks[ name ];
2431                 }
2433                 if ( value !== undefined ) {
2434                         if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
2435                                 return ret;
2437                         } else {
2438                                 return ( elem[ name ] = value );
2439                         }
2441                 } else {
2442                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
2443                                 return ret;
2445                         } else {
2446                                 return elem[ name ];
2447                         }
2448                 }
2449         },
2451         propHooks: {
2452                 tabIndex: {
2453                         get: function( elem ) {
2454                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
2455                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
2456                                 var attributeNode = elem.getAttributeNode("tabindex");
2458                                 return attributeNode && attributeNode.specified ?
2459                                         parseInt( attributeNode.value, 10 ) :
2460                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
2461                                                 0 :
2462                                                 undefined;
2463                         }
2464                 }
2465         }
2468 // Hook for boolean attributes
2469 boolHook = {
2470         get: function( elem, name ) {
2471                 // Align boolean attributes with corresponding properties
2472                 // Fall back to attribute presence where some booleans are not supported
2473                 var attrNode,
2474                         property = jQuery.prop( elem, name );
2475                 return property === true || typeof property !== "boolean" && ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
2476                         name.toLowerCase() :
2477                         undefined;
2478         },
2479         set: function( elem, value, name ) {
2480                 var propName;
2481                 if ( value === false ) {
2482                         // Remove boolean attributes when set to false
2483                         jQuery.removeAttr( elem, name );
2484                 } else {
2485                         // value is true since we know at this point it's type boolean and not false
2486                         // Set boolean attributes to the same name and set the DOM property
2487                         propName = jQuery.propFix[ name ] || name;
2488                         if ( propName in elem ) {
2489                                 // Only set the IDL specifically if it already exists on the element
2490                                 elem[ propName ] = true;
2491                         }
2493                         elem.setAttribute( name, name.toLowerCase() );
2494                 }
2495                 return name;
2496         }
2499 // IE6/7 do not support getting/setting some attributes with get/setAttribute
2500 if ( !getSetAttribute ) {
2502         fixSpecified = {
2503                 name: true,
2504                 id: true,
2505                 coords: true
2506         };
2508         // Use this for any attribute in IE6/7
2509         // This fixes almost every IE6/7 issue
2510         nodeHook = jQuery.valHooks.button = {
2511                 get: function( elem, name ) {
2512                         var ret;
2513                         ret = elem.getAttributeNode( name );
2514                         return ret && ( fixSpecified[ name ] ? ret.value !== "" : ret.specified ) ?
2515                                 ret.value :
2516                                 undefined;
2517                 },
2518                 set: function( elem, value, name ) {
2519                         // Set the existing or create a new attribute node
2520                         var ret = elem.getAttributeNode( name );
2521                         if ( !ret ) {
2522                                 ret = document.createAttribute( name );
2523                                 elem.setAttributeNode( ret );
2524                         }
2525                         return ( ret.value = value + "" );
2526                 }
2527         };
2529         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
2530         // This is for removals
2531         jQuery.each([ "width", "height" ], function( i, name ) {
2532                 jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
2533                         set: function( elem, value ) {
2534                                 if ( value === "" ) {
2535                                         elem.setAttribute( name, "auto" );
2536                                         return value;
2537                                 }
2538                         }
2539                 });
2540         });
2542         // Set contenteditable to false on removals(#10429)
2543         // Setting to empty string throws an error as an invalid value
2544         jQuery.attrHooks.contenteditable = {
2545                 get: nodeHook.get,
2546                 set: function( elem, value, name ) {
2547                         if ( value === "" ) {
2548                                 value = "false";
2549                         }
2550                         nodeHook.set( elem, value, name );
2551                 }
2552         };
2556 // Some attributes require a special call on IE
2557 if ( !jQuery.support.hrefNormalized ) {
2558         jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
2559                 jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
2560                         get: function( elem ) {
2561                                 var ret = elem.getAttribute( name, 2 );
2562                                 return ret === null ? undefined : ret;
2563                         }
2564                 });
2565         });
2568 if ( !jQuery.support.style ) {
2569         jQuery.attrHooks.style = {
2570                 get: function( elem ) {
2571                         // Return undefined in the case of empty string
2572                         // Normalize to lowercase since IE uppercases css property names
2573                         return elem.style.cssText.toLowerCase() || undefined;
2574                 },
2575                 set: function( elem, value ) {
2576                         return ( elem.style.cssText = value + "" );
2577                 }
2578         };
2581 // Safari mis-reports the default selected property of an option
2582 // Accessing the parent's selectedIndex property fixes it
2583 if ( !jQuery.support.optSelected ) {
2584         jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
2585                 get: function( elem ) {
2586                         var parent = elem.parentNode;
2588                         if ( parent ) {
2589                                 parent.selectedIndex;
2591                                 // Make sure that it also works with optgroups, see #5701
2592                                 if ( parent.parentNode ) {
2593                                         parent.parentNode.selectedIndex;
2594                                 }
2595                         }
2596                         return null;
2597                 }
2598         });
2601 // IE6/7 call enctype encoding
2602 if ( !jQuery.support.enctype ) {
2603         jQuery.propFix.enctype = "encoding";
2606 // Radios and checkboxes getter/setter
2607 if ( !jQuery.support.checkOn ) {
2608         jQuery.each([ "radio", "checkbox" ], function() {
2609                 jQuery.valHooks[ this ] = {
2610                         get: function( elem ) {
2611                                 // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
2612                                 return elem.getAttribute("value") === null ? "on" : elem.value;
2613                         }
2614                 };
2615         });
2617 jQuery.each([ "radio", "checkbox" ], function() {
2618         jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
2619                 set: function( elem, value ) {
2620                         if ( jQuery.isArray( value ) ) {
2621                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
2622                         }
2623                 }
2624         });
2626 var rformElems = /^(?:textarea|input|select)$/i,
2627         rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/,
2628         rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
2629         rkeyEvent = /^key/,
2630         rmouseEvent = /^(?:mouse|contextmenu)|click/,
2631         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
2632         hoverHack = function( events ) {
2633                 return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
2634         };
2637  * Helper functions for managing events -- not part of the public interface.
2638  * Props to Dean Edwards' addEvent library for many of the ideas.
2639  */
2640 jQuery.event = {
2642         add: function( elem, types, handler, data, selector ) {
2644                 var elemData, eventHandle, events,
2645                         t, tns, type, namespaces, handleObj,
2646                         handleObjIn, handlers, special;
2648                 // Don't attach events to noData or text/comment nodes (allow plain objects tho)
2649                 if ( elem.nodeType === 3 || elem.nodeType === 8 || !types || !handler || !(elemData = jQuery._data( elem )) ) {
2650                         return;
2651                 }
2653                 // Caller can pass in an object of custom data in lieu of the handler
2654                 if ( handler.handler ) {
2655                         handleObjIn = handler;
2656                         handler = handleObjIn.handler;
2657                         selector = handleObjIn.selector;
2658                 }
2660                 // Make sure that the handler has a unique ID, used to find/remove it later
2661                 if ( !handler.guid ) {
2662                         handler.guid = jQuery.guid++;
2663                 }
2665                 // Init the element's event structure and main handler, if this is the first
2666                 events = elemData.events;
2667                 if ( !events ) {
2668                         elemData.events = events = {};
2669                 }
2670                 eventHandle = elemData.handle;
2671                 if ( !eventHandle ) {
2672                         elemData.handle = eventHandle = function( e ) {
2673                                 // Discard the second event of a jQuery.event.trigger() and
2674                                 // when an event is called after a page has unloaded
2675                                 return typeof jQuery !== "undefined" && (!e || jQuery.event.triggered !== e.type) ?
2676                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
2677                                         undefined;
2678                         };
2679                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
2680                         eventHandle.elem = elem;
2681                 }
2683                 // Handle multiple events separated by a space
2684                 // jQuery(...).bind("mouseover mouseout", fn);
2685                 types = jQuery.trim( hoverHack(types) ).split( " " );
2686                 for ( t = 0; t < types.length; t++ ) {
2688                         tns = rtypenamespace.exec( types[t] ) || [];
2689                         type = tns[1];
2690                         namespaces = ( tns[2] || "" ).split( "." ).sort();
2692                         // If event changes its type, use the special event handlers for the changed type
2693                         special = jQuery.event.special[ type ] || {};
2695                         // If selector defined, determine special event api type, otherwise given type
2696                         type = ( selector ? special.delegateType : special.bindType ) || type;
2698                         // Update special based on newly reset type
2699                         special = jQuery.event.special[ type ] || {};
2701                         // handleObj is passed to all event handlers
2702                         handleObj = jQuery.extend({
2703                                 type: type,
2704                                 origType: tns[1],
2705                                 data: data,
2706                                 handler: handler,
2707                                 guid: handler.guid,
2708                                 selector: selector,
2709                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
2710                                 namespace: namespaces.join(".")
2711                         }, handleObjIn );
2713                         // Init the event handler queue if we're the first
2714                         handlers = events[ type ];
2715                         if ( !handlers ) {
2716                                 handlers = events[ type ] = [];
2717                                 handlers.delegateCount = 0;
2719                                 // Only use addEventListener/attachEvent if the special events handler returns false
2720                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
2721                                         // Bind the global event handler to the element
2722                                         if ( elem.addEventListener ) {
2723                                                 elem.addEventListener( type, eventHandle, false );
2725                                         } else if ( elem.attachEvent ) {
2726                                                 elem.attachEvent( "on" + type, eventHandle );
2727                                         }
2728                                 }
2729                         }
2731                         if ( special.add ) {
2732                                 special.add.call( elem, handleObj );
2734                                 if ( !handleObj.handler.guid ) {
2735                                         handleObj.handler.guid = handler.guid;
2736                                 }
2737                         }
2739                         // Add to the element's handler list, delegates in front
2740                         if ( selector ) {
2741                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
2742                         } else {
2743                                 handlers.push( handleObj );
2744                         }
2746                         // Keep track of which events have ever been used, for event optimization
2747                         jQuery.event.global[ type ] = true;
2748                 }
2750                 // Nullify elem to prevent memory leaks in IE
2751                 elem = null;
2752         },
2754         global: {},
2756         // Detach an event or set of events from an element
2757         remove: function( elem, types, handler, selector, mappedTypes ) {
2759                 var t, tns, type, origType, namespaces, origCount,
2760                         j, events, special, eventType, handleObj,
2761                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
2763                 if ( !elemData || !(events = elemData.events) ) {
2764                         return;
2765                 }
2767                 // Once for each type.namespace in types; type may be omitted
2768                 types = jQuery.trim( hoverHack( types || "" ) ).split(" ");
2769                 for ( t = 0; t < types.length; t++ ) {
2770                         tns = rtypenamespace.exec( types[t] ) || [];
2771                         type = origType = tns[1];
2772                         namespaces = tns[2];
2774                         // Unbind all events (on this namespace, if provided) for the element
2775                         if ( !type ) {
2776                                 for ( type in events ) {
2777                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
2778                                 }
2779                                 continue;
2780                         }
2782                         special = jQuery.event.special[ type ] || {};
2783                         type = ( selector? special.delegateType : special.bindType ) || type;
2784                         eventType = events[ type ] || [];
2785                         origCount = eventType.length;
2786                         namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
2788                         // Remove matching events
2789                         for ( j = 0; j < eventType.length; j++ ) {
2790                                 handleObj = eventType[ j ];
2792                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
2793                                          ( !handler || handler.guid === handleObj.guid ) &&
2794                                          ( !namespaces || namespaces.test( handleObj.namespace ) ) &&
2795                                          ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
2796                                         eventType.splice( j--, 1 );
2798                                         if ( handleObj.selector ) {
2799                                                 eventType.delegateCount--;
2800                                         }
2801                                         if ( special.remove ) {
2802                                                 special.remove.call( elem, handleObj );
2803                                         }
2804                                 }
2805                         }
2807                         // Remove generic event handler if we removed something and no more handlers exist
2808                         // (avoids potential for endless recursion during removal of special event handlers)
2809                         if ( eventType.length === 0 && origCount !== eventType.length ) {
2810                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
2811                                         jQuery.removeEvent( elem, type, elemData.handle );
2812                                 }
2814                                 delete events[ type ];
2815                         }
2816                 }
2818                 // Remove the expando if it's no longer used
2819                 if ( jQuery.isEmptyObject( events ) ) {
2820                         delete elemData.handle;
2822                         // removeData also checks for emptiness and clears the expando if empty
2823                         // so use it instead of delete
2824                         jQuery.removeData( elem, "events", true );
2825                 }
2826         },
2828         // Events that are safe to short-circuit if no handlers are attached.
2829         // Native DOM events should not be added, they may have inline handlers.
2830         customEvent: {
2831                 "getData": true,
2832                 "setData": true,
2833                 "changeData": true
2834         },
2836         trigger: function( event, data, elem, onlyHandlers ) {
2837                 // Don't do events on text and comment nodes
2838                 if ( elem && (elem.nodeType === 3 || elem.nodeType === 8) ) {
2839                         return;
2840                 }
2842                 // Event object or event type
2843                 var cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType,
2844                         type = event.type || event,
2845                         namespaces = [];
2847                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
2848                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
2849                         return;
2850                 }
2852                 if ( type.indexOf( "!" ) >= 0 ) {
2853                         // Exclusive events trigger only for the exact event (no namespaces)
2854                         type = type.slice(0, -1);
2855                         exclusive = true;
2856                 }
2858                 if ( type.indexOf( "." ) >= 0 ) {
2859                         // Namespaced trigger; create a regexp to match event type in handle()
2860                         namespaces = type.split(".");
2861                         type = namespaces.shift();
2862                         namespaces.sort();
2863                 }
2865                 if ( (!elem || jQuery.event.customEvent[ type ]) && !jQuery.event.global[ type ] ) {
2866                         // No jQuery handlers for this event type, and it can't have inline handlers
2867                         return;
2868                 }
2870                 // Caller can pass in an Event, Object, or just an event type string
2871                 event = typeof event === "object" ?
2872                         // jQuery.Event object
2873                         event[ jQuery.expando ] ? event :
2874                         // Object literal
2875                         new jQuery.Event( type, event ) :
2876                         // Just the event type (string)
2877                         new jQuery.Event( type );
2879                 event.type = type;
2880                 event.isTrigger = true;
2881                 event.exclusive = exclusive;
2882                 event.namespace = namespaces.join( "." );
2883                 event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
2884                 ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";
2886                 // Handle a global trigger
2887                 if ( !elem ) {
2889                         // TODO: Stop taunting the data cache; remove global events and always attach to document
2890                         cache = jQuery.cache;
2891                         for ( i in cache ) {
2892                                 if ( cache[ i ].events && cache[ i ].events[ type ] ) {
2893                                         jQuery.event.trigger( event, data, cache[ i ].handle.elem, true );
2894                                 }
2895                         }
2896                         return;
2897                 }
2899                 // Clean up the event in case it is being reused
2900                 event.result = undefined;
2901                 if ( !event.target ) {
2902                         event.target = elem;
2903                 }
2905                 // Clone any incoming data and prepend the event, creating the handler arg list
2906                 data = data != null ? jQuery.makeArray( data ) : [];
2907                 data.unshift( event );
2909                 // Allow special events to draw outside the lines
2910                 special = jQuery.event.special[ type ] || {};
2911                 if ( special.trigger && special.trigger.apply( elem, data ) === false ) {
2912                         return;
2913                 }
2915                 // Determine event propagation path in advance, per W3C events spec (#9951)
2916                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
2917                 eventPath = [[ elem, special.bindType || type ]];
2918                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
2920                         bubbleType = special.delegateType || type;
2921                         cur = rfocusMorph.test( bubbleType + type ) ? elem : elem.parentNode;
2922                         for ( old = elem; cur; cur = cur.parentNode ) {
2923                                 eventPath.push([ cur, bubbleType ]);
2924                                 old = cur;
2925                         }
2927                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
2928                         if ( old === (elem.ownerDocument || document) ) {
2929                                 eventPath.push([ old.defaultView || old.parentWindow || window, bubbleType ]);
2930                         }
2931                 }
2933                 // Fire handlers on the event path
2934                 for ( i = 0; i < eventPath.length && !event.isPropagationStopped(); i++ ) {
2936                         cur = eventPath[i][0];
2937                         event.type = eventPath[i][1];
2939                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
2940                         if ( handle ) {
2941                                 handle.apply( cur, data );
2942                         }
2943                         // Note that this is a bare JS function and not a jQuery handler
2944                         handle = ontype && cur[ ontype ];
2945                         if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
2946                                 event.preventDefault();
2947                         }
2948                 }
2949                 event.type = type;
2951                 // If nobody prevented the default action, do it now
2952                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
2954                         if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
2955                                 !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {
2957                                 // Call a native DOM method on the target with the same name name as the event.
2958                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
2959                                 // Don't do default actions on window, that's where global variables be (#6170)
2960                                 // IE<9 dies on focus/blur to hidden element (#1486)
2961                                 if ( ontype && elem[ type ] && ((type !== "focus" && type !== "blur") || event.target.offsetWidth !== 0) && !jQuery.isWindow( elem ) ) {
2963                                         // Don't re-trigger an onFOO event when we call its FOO() method
2964                                         old = elem[ ontype ];
2966                                         if ( old ) {
2967                                                 elem[ ontype ] = null;
2968                                         }
2970                                         // Prevent re-triggering of the same event, since we already bubbled it above
2971                                         jQuery.event.triggered = type;
2972                                         elem[ type ]();
2973                                         jQuery.event.triggered = undefined;
2975                                         if ( old ) {
2976                                                 elem[ ontype ] = old;
2977                                         }
2978                                 }
2979                         }
2980                 }
2982                 return event.result;
2983         },
2985         dispatch: function( event ) {
2987                 // Make a writable jQuery.Event from the native event object
2988                 event = jQuery.event.fix( event || window.event );
2990                 var i, j, cur, ret, selMatch, matched, matches, handleObj, sel, related,
2991                         handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []),
2992                         delegateCount = handlers.delegateCount,
2993                         args = core_slice.call( arguments ),
2994                         run_all = !event.exclusive && !event.namespace,
2995                         special = jQuery.event.special[ event.type ] || {},
2996                         handlerQueue = [];
2998                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
2999                 args[0] = event;
3000                 event.delegateTarget = this;
3002                 // Call the preDispatch hook for the mapped type, and let it bail if desired
3003                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
3004                         return;
3005                 }
3007                 // Determine handlers that should run if there are delegated events
3008                 // Avoid non-left-click bubbling in Firefox (#3861)
3009                 if ( delegateCount && !(event.button && event.type === "click") ) {
3011                         for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
3013                                 // Don't process clicks (ONLY) on disabled elements (#6911, #8165, #11382, #11764)
3014                                 if ( cur.disabled !== true || event.type !== "click" ) {
3015                                         selMatch = {};
3016                                         matches = [];
3017                                         for ( i = 0; i < delegateCount; i++ ) {
3018                                                 handleObj = handlers[ i ];
3019                                                 sel = handleObj.selector;
3021                                                 if ( selMatch[ sel ] === undefined ) {
3022                                                         selMatch[ sel ] = handleObj.needsContext ?
3023                                                                 jQuery( sel, this ).index( cur ) >= 0 :
3024                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
3025                                                 }
3026                                                 if ( selMatch[ sel ] ) {
3027                                                         matches.push( handleObj );
3028                                                 }
3029                                         }
3030                                         if ( matches.length ) {
3031                                                 handlerQueue.push({ elem: cur, matches: matches });
3032                                         }
3033                                 }
3034                         }
3035                 }
3037                 // Add the remaining (directly-bound) handlers
3038                 if ( handlers.length > delegateCount ) {
3039                         handlerQueue.push({ elem: this, matches: handlers.slice( delegateCount ) });
3040                 }
3042                 // Run delegates first; they may want to stop propagation beneath us
3043                 for ( i = 0; i < handlerQueue.length && !event.isPropagationStopped(); i++ ) {
3044                         matched = handlerQueue[ i ];
3045                         event.currentTarget = matched.elem;
3047                         for ( j = 0; j < matched.matches.length && !event.isImmediatePropagationStopped(); j++ ) {
3048                                 handleObj = matched.matches[ j ];
3050                                 // Triggered event must either 1) be non-exclusive and have no namespace, or
3051                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
3052                                 if ( run_all || (!event.namespace && !handleObj.namespace) || event.namespace_re && event.namespace_re.test( handleObj.namespace ) ) {
3054                                         event.data = handleObj.data;
3055                                         event.handleObj = handleObj;
3057                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
3058                                                         .apply( matched.elem, args );
3060                                         if ( ret !== undefined ) {
3061                                                 event.result = ret;
3062                                                 if ( ret === false ) {
3063                                                         event.preventDefault();
3064                                                         event.stopPropagation();
3065                                                 }
3066                                         }
3067                                 }
3068                         }
3069                 }
3071                 // Call the postDispatch hook for the mapped type
3072                 if ( special.postDispatch ) {
3073                         special.postDispatch.call( this, event );
3074                 }
3076                 return event.result;
3077         },
3079         // Includes some event props shared by KeyEvent and MouseEvent
3080         // *** attrChange attrName relatedNode srcElement  are not normalized, non-W3C, deprecated, will be removed in 1.8 ***
3081         props: "attrChange attrName relatedNode srcElement altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
3083         fixHooks: {},
3085         keyHooks: {
3086                 props: "char charCode key keyCode".split(" "),
3087                 filter: function( event, original ) {
3089                         // Add which for key events
3090                         if ( event.which == null ) {
3091                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
3092                         }
3094                         return event;
3095                 }
3096         },
3098         mouseHooks: {
3099                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
3100                 filter: function( event, original ) {
3101                         var eventDoc, doc, body,
3102                                 button = original.button,
3103                                 fromElement = original.fromElement;
3105                         // Calculate pageX/Y if missing and clientX/Y available
3106                         if ( event.pageX == null && original.clientX != null ) {
3107                                 eventDoc = event.target.ownerDocument || document;
3108                                 doc = eventDoc.documentElement;
3109                                 body = eventDoc.body;
3111                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
3112                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
3113                         }
3115                         // Add relatedTarget, if necessary
3116                         if ( !event.relatedTarget && fromElement ) {
3117                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
3118                         }
3120                         // Add which for click: 1 === left; 2 === middle; 3 === right
3121                         // Note: button is not normalized, so don't use it
3122                         if ( !event.which && button !== undefined ) {
3123                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
3124                         }
3126                         return event;
3127                 }
3128         },
3130         fix: function( event ) {
3131                 if ( event[ jQuery.expando ] ) {
3132                         return event;
3133                 }
3135                 // Create a writable copy of the event object and normalize some properties
3136                 var i, prop,
3137                         originalEvent = event,
3138                         fixHook = jQuery.event.fixHooks[ event.type ] || {},
3139                         copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
3141                 event = jQuery.Event( originalEvent );
3143                 for ( i = copy.length; i; ) {
3144                         prop = copy[ --i ];
3145                         event[ prop ] = originalEvent[ prop ];
3146                 }
3148                 // Fix target property, if necessary (#1925, IE 6/7/8 & Safari2)
3149                 if ( !event.target ) {
3150                         event.target = originalEvent.srcElement || document;
3151                 }
3153                 // Target should not be a text node (#504, Safari)
3154                 if ( event.target.nodeType === 3 ) {
3155                         event.target = event.target.parentNode;
3156                 }
3158                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328; IE6/7/8)
3159                 event.metaKey = !!event.metaKey;
3161                 return fixHook.filter? fixHook.filter( event, originalEvent ) : event;
3162         },
3164         special: {
3165                 load: {
3166                         // Prevent triggered image.load events from bubbling to window.load
3167                         noBubble: true
3168                 },
3170                 focus: {
3171                         delegateType: "focusin"
3172                 },
3173                 blur: {
3174                         delegateType: "focusout"
3175                 },
3177                 beforeunload: {
3178                         setup: function( data, namespaces, eventHandle ) {
3179                                 // We only want to do this special case on windows
3180                                 if ( jQuery.isWindow( this ) ) {
3181                                         this.onbeforeunload = eventHandle;
3182                                 }
3183                         },
3185                         teardown: function( namespaces, eventHandle ) {
3186                                 if ( this.onbeforeunload === eventHandle ) {
3187                                         this.onbeforeunload = null;
3188                                 }
3189                         }
3190                 }
3191         },
3193         simulate: function( type, elem, event, bubble ) {
3194                 // Piggyback on a donor event to simulate a different one.
3195                 // Fake originalEvent to avoid donor's stopPropagation, but if the
3196                 // simulated event prevents default then we do the same on the donor.
3197                 var e = jQuery.extend(
3198                         new jQuery.Event(),
3199                         event,
3200                         { type: type,
3201                                 isSimulated: true,
3202                                 originalEvent: {}
3203                         }
3204                 );
3205                 if ( bubble ) {
3206                         jQuery.event.trigger( e, null, elem );
3207                 } else {
3208                         jQuery.event.dispatch.call( elem, e );
3209                 }
3210                 if ( e.isDefaultPrevented() ) {
3211                         event.preventDefault();
3212                 }
3213         }
3216 // Some plugins are using, but it's undocumented/deprecated and will be removed.
3217 // The 1.7 special event interface should provide all the hooks needed now.
3218 jQuery.event.handle = jQuery.event.dispatch;
3220 jQuery.removeEvent = document.removeEventListener ?
3221         function( elem, type, handle ) {
3222                 if ( elem.removeEventListener ) {
3223                         elem.removeEventListener( type, handle, false );
3224                 }
3225         } :
3226         function( elem, type, handle ) {
3227                 var name = "on" + type;
3229                 if ( elem.detachEvent ) {
3231                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
3232                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
3233                         if ( typeof elem[ name ] === "undefined" ) {
3234                                 elem[ name ] = null;
3235                         }
3237                         elem.detachEvent( name, handle );
3238                 }
3239         };
3241 jQuery.Event = function( src, props ) {
3242         // Allow instantiation without the 'new' keyword
3243         if ( !(this instanceof jQuery.Event) ) {
3244                 return new jQuery.Event( src, props );
3245         }
3247         // Event object
3248         if ( src && src.type ) {
3249                 this.originalEvent = src;
3250                 this.type = src.type;
3252                 // Events bubbling up the document may have been marked as prevented
3253                 // by a handler lower down the tree; reflect the correct value.
3254                 this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
3255                         src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
3257         // Event type
3258         } else {
3259                 this.type = src;
3260         }
3262         // Put explicitly provided properties onto the event object
3263         if ( props ) {
3264                 jQuery.extend( this, props );
3265         }
3267         // Create a timestamp if incoming event doesn't have one
3268         this.timeStamp = src && src.timeStamp || jQuery.now();
3270         // Mark it as fixed
3271         this[ jQuery.expando ] = true;
3274 function returnFalse() {
3275         return false;
3277 function returnTrue() {
3278         return true;
3281 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
3282 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
3283 jQuery.Event.prototype = {
3284         preventDefault: function() {
3285                 this.isDefaultPrevented = returnTrue;
3287                 var e = this.originalEvent;
3288                 if ( !e ) {
3289                         return;
3290                 }
3292                 // if preventDefault exists run it on the original event
3293                 if ( e.preventDefault ) {
3294                         e.preventDefault();
3296                 // otherwise set the returnValue property of the original event to false (IE)
3297                 } else {
3298                         e.returnValue = false;
3299                 }
3300         },
3301         stopPropagation: function() {
3302                 this.isPropagationStopped = returnTrue;
3304                 var e = this.originalEvent;
3305                 if ( !e ) {
3306                         return;
3307                 }
3308                 // if stopPropagation exists run it on the original event
3309                 if ( e.stopPropagation ) {
3310                         e.stopPropagation();
3311                 }
3312                 // otherwise set the cancelBubble property of the original event to true (IE)
3313                 e.cancelBubble = true;
3314         },
3315         stopImmediatePropagation: function() {
3316                 this.isImmediatePropagationStopped = returnTrue;
3317                 this.stopPropagation();
3318         },
3319         isDefaultPrevented: returnFalse,
3320         isPropagationStopped: returnFalse,
3321         isImmediatePropagationStopped: returnFalse
3324 // Create mouseenter/leave events using mouseover/out and event-time checks
3325 jQuery.each({
3326         mouseenter: "mouseover",
3327         mouseleave: "mouseout"
3328 }, function( orig, fix ) {
3329         jQuery.event.special[ orig ] = {
3330                 delegateType: fix,
3331                 bindType: fix,
3333                 handle: function( event ) {
3334                         var ret,
3335                                 target = this,
3336                                 related = event.relatedTarget,
3337                                 handleObj = event.handleObj,
3338                                 selector = handleObj.selector;
3340                         // For mousenter/leave call the handler if related is outside the target.
3341                         // NB: No relatedTarget if the mouse left/entered the browser window
3342                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
3343                                 event.type = handleObj.origType;
3344                                 ret = handleObj.handler.apply( this, arguments );
3345                                 event.type = fix;
3346                         }
3347                         return ret;
3348                 }
3349         };
3352 // IE submit delegation
3353 if ( !jQuery.support.submitBubbles ) {
3355         jQuery.event.special.submit = {
3356                 setup: function() {
3357                         // Only need this for delegated form submit events
3358                         if ( jQuery.nodeName( this, "form" ) ) {
3359                                 return false;
3360                         }
3362                         // Lazy-add a submit handler when a descendant form may potentially be submitted
3363                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
3364                                 // Node name check avoids a VML-related crash in IE (#9807)
3365                                 var elem = e.target,
3366                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
3367                                 if ( form && !jQuery._data( form, "_submit_attached" ) ) {
3368                                         jQuery.event.add( form, "submit._submit", function( event ) {
3369                                                 event._submit_bubble = true;
3370                                         });
3371                                         jQuery._data( form, "_submit_attached", true );
3372                                 }
3373                         });
3374                         // return undefined since we don't need an event listener
3375                 },
3377                 postDispatch: function( event ) {
3378                         // If form was submitted by the user, bubble the event up the tree
3379                         if ( event._submit_bubble ) {
3380                                 delete event._submit_bubble;
3381                                 if ( this.parentNode && !event.isTrigger ) {
3382                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
3383                                 }
3384                         }
3385                 },
3387                 teardown: function() {
3388                         // Only need this for delegated form submit events
3389                         if ( jQuery.nodeName( this, "form" ) ) {
3390                                 return false;
3391                         }
3393                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
3394                         jQuery.event.remove( this, "._submit" );
3395                 }
3396         };
3399 // IE change delegation and checkbox/radio fix
3400 if ( !jQuery.support.changeBubbles ) {
3402         jQuery.event.special.change = {
3404                 setup: function() {
3406                         if ( rformElems.test( this.nodeName ) ) {
3407                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
3408                                 // after a propertychange. Eat the blur-change in special.change.handle.
3409                                 // This still fires onchange a second time for check/radio after blur.
3410                                 if ( this.type === "checkbox" || this.type === "radio" ) {
3411                                         jQuery.event.add( this, "propertychange._change", function( event ) {
3412                                                 if ( event.originalEvent.propertyName === "checked" ) {
3413                                                         this._just_changed = true;
3414                                                 }
3415                                         });
3416                                         jQuery.event.add( this, "click._change", function( event ) {
3417                                                 if ( this._just_changed && !event.isTrigger ) {
3418                                                         this._just_changed = false;
3419                                                 }
3420                                                 // Allow triggered, simulated change events (#11500)
3421                                                 jQuery.event.simulate( "change", this, event, true );
3422                                         });
3423                                 }
3424                                 return false;
3425                         }
3426                         // Delegated event; lazy-add a change handler on descendant inputs
3427                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
3428                                 var elem = e.target;
3430                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "_change_attached" ) ) {
3431                                         jQuery.event.add( elem, "change._change", function( event ) {
3432                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
3433                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
3434                                                 }
3435                                         });
3436                                         jQuery._data( elem, "_change_attached", true );
3437                                 }
3438                         });
3439                 },
3441                 handle: function( event ) {
3442                         var elem = event.target;
3444                         // Swallow native change events from checkbox/radio, we already triggered them above
3445                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
3446                                 return event.handleObj.handler.apply( this, arguments );
3447                         }
3448                 },
3450                 teardown: function() {
3451                         jQuery.event.remove( this, "._change" );
3453                         return !rformElems.test( this.nodeName );
3454                 }
3455         };
3458 // Create "bubbling" focus and blur events
3459 if ( !jQuery.support.focusinBubbles ) {
3460         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
3462                 // Attach a single capturing handler while someone wants focusin/focusout
3463                 var attaches = 0,
3464                         handler = function( event ) {
3465                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
3466                         };
3468                 jQuery.event.special[ fix ] = {
3469                         setup: function() {
3470                                 if ( attaches++ === 0 ) {
3471                                         document.addEventListener( orig, handler, true );
3472                                 }
3473                         },
3474                         teardown: function() {
3475                                 if ( --attaches === 0 ) {
3476                                         document.removeEventListener( orig, handler, true );
3477                                 }
3478                         }
3479                 };
3480         });
3483 jQuery.fn.extend({
3485         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
3486                 var origFn, type;
3488                 // Types can be a map of types/handlers
3489                 if ( typeof types === "object" ) {
3490                         // ( types-Object, selector, data )
3491                         if ( typeof selector !== "string" ) { // && selector != null
3492                                 // ( types-Object, data )
3493                                 data = data || selector;
3494                                 selector = undefined;
3495                         }
3496                         for ( type in types ) {
3497                                 this.on( type, selector, data, types[ type ], one );
3498                         }
3499                         return this;
3500                 }
3502                 if ( data == null && fn == null ) {
3503                         // ( types, fn )
3504                         fn = selector;
3505                         data = selector = undefined;
3506                 } else if ( fn == null ) {
3507                         if ( typeof selector === "string" ) {
3508                                 // ( types, selector, fn )
3509                                 fn = data;
3510                                 data = undefined;
3511                         } else {
3512                                 // ( types, data, fn )
3513                                 fn = data;
3514                                 data = selector;
3515                                 selector = undefined;
3516                         }
3517                 }
3518                 if ( fn === false ) {
3519                         fn = returnFalse;
3520                 } else if ( !fn ) {
3521                         return this;
3522                 }
3524                 if ( one === 1 ) {
3525                         origFn = fn;
3526                         fn = function( event ) {
3527                                 // Can use an empty set, since event contains the info
3528                                 jQuery().off( event );
3529                                 return origFn.apply( this, arguments );
3530                         };
3531                         // Use same guid so caller can remove using origFn
3532                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
3533                 }
3534                 return this.each( function() {
3535                         jQuery.event.add( this, types, fn, data, selector );
3536                 });
3537         },
3538         one: function( types, selector, data, fn ) {
3539                 return this.on( types, selector, data, fn, 1 );
3540         },
3541         off: function( types, selector, fn ) {
3542                 var handleObj, type;
3543                 if ( types && types.preventDefault && types.handleObj ) {
3544                         // ( event )  dispatched jQuery.Event
3545                         handleObj = types.handleObj;
3546                         jQuery( types.delegateTarget ).off(
3547                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
3548                                 handleObj.selector,
3549                                 handleObj.handler
3550                         );
3551                         return this;
3552                 }
3553                 if ( typeof types === "object" ) {
3554                         // ( types-object [, selector] )
3555                         for ( type in types ) {
3556                                 this.off( type, selector, types[ type ] );
3557                         }
3558                         return this;
3559                 }
3560                 if ( selector === false || typeof selector === "function" ) {
3561                         // ( types [, fn] )
3562                         fn = selector;
3563                         selector = undefined;
3564                 }
3565                 if ( fn === false ) {
3566                         fn = returnFalse;
3567                 }
3568                 return this.each(function() {
3569                         jQuery.event.remove( this, types, fn, selector );
3570                 });
3571         },
3573         bind: function( types, data, fn ) {
3574                 return this.on( types, null, data, fn );
3575         },
3576         unbind: function( types, fn ) {
3577                 return this.off( types, null, fn );
3578         },
3580         live: function( types, data, fn ) {
3581                 jQuery( this.context ).on( types, this.selector, data, fn );
3582                 return this;
3583         },
3584         die: function( types, fn ) {
3585                 jQuery( this.context ).off( types, this.selector || "**", fn );
3586                 return this;
3587         },
3589         delegate: function( selector, types, data, fn ) {
3590                 return this.on( types, selector, data, fn );
3591         },
3592         undelegate: function( selector, types, fn ) {
3593                 // ( namespace ) or ( selector, types [, fn] )
3594                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
3595         },
3597         trigger: function( type, data ) {
3598                 return this.each(function() {
3599                         jQuery.event.trigger( type, data, this );
3600                 });
3601         },
3602         triggerHandler: function( type, data ) {
3603                 if ( this[0] ) {
3604                         return jQuery.event.trigger( type, data, this[0], true );
3605                 }
3606         },
3608         toggle: function( fn ) {
3609                 // Save reference to arguments for access in closure
3610                 var args = arguments,
3611                         guid = fn.guid || jQuery.guid++,
3612                         i = 0,
3613                         toggler = function( event ) {
3614                                 // Figure out which function to execute
3615                                 var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
3616                                 jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
3618                                 // Make sure that clicks stop
3619                                 event.preventDefault();
3621                                 // and execute the function
3622                                 return args[ lastToggle ].apply( this, arguments ) || false;
3623                         };
3625                 // link all the functions, so any of them can unbind this click handler
3626                 toggler.guid = guid;
3627                 while ( i < args.length ) {
3628                         args[ i++ ].guid = guid;
3629                 }
3631                 return this.click( toggler );
3632         },
3634         hover: function( fnOver, fnOut ) {
3635                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
3636         }
3639 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
3640         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
3641         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
3643         // Handle event binding
3644         jQuery.fn[ name ] = function( data, fn ) {
3645                 if ( fn == null ) {
3646                         fn = data;
3647                         data = null;
3648                 }
3650                 return arguments.length > 0 ?
3651                         this.on( name, null, data, fn ) :
3652                         this.trigger( name );
3653         };
3655         if ( rkeyEvent.test( name ) ) {
3656                 jQuery.event.fixHooks[ name ] = jQuery.event.keyHooks;
3657         }
3659         if ( rmouseEvent.test( name ) ) {
3660                 jQuery.event.fixHooks[ name ] = jQuery.event.mouseHooks;
3661         }
3663 /*!\r
3664  * Sizzle CSS Selector Engine\r
3665  * Copyright 2012 jQuery Foundation and other contributors\r
3666  * Released under the MIT license\r
3667  * http://sizzlejs.com/\r
3668  */\r
3669 (function( window, undefined ) {\r
3671 var cachedruns,\r
3672         assertGetIdNotName,\r
3673         Expr,\r
3674         getText,\r
3675         isXML,\r
3676         contains,\r
3677         compile,\r
3678         sortOrder,\r
3679         hasDuplicate,\r
3680         outermostContext,\r
3682         baseHasDuplicate = true,\r
3683         strundefined = "undefined",\r
3685         expando = ( "sizcache" + Math.random() ).replace( ".", "" ),\r
3687         Token = String,\r
3688         document = window.document,\r
3689         docElem = document.documentElement,\r
3690         dirruns = 0,\r
3691         done = 0,\r
3692         pop = [].pop,\r
3693         push = [].push,\r
3694         slice = [].slice,\r
3695         // Use a stripped-down indexOf if a native one is unavailable\r
3696         indexOf = [].indexOf || function( elem ) {\r
3697                 var i = 0,\r
3698                         len = this.length;\r
3699                 for ( ; i < len; i++ ) {\r
3700                         if ( this[i] === elem ) {\r
3701                                 return i;\r
3702                         }\r
3703                 }\r
3704                 return -1;\r
3705         },\r
3707         // Augment a function for special use by Sizzle\r
3708         markFunction = function( fn, value ) {\r
3709                 fn[ expando ] = value == null || value;\r
3710                 return fn;\r
3711         },\r
3713         createCache = function() {\r
3714                 var cache = {},\r
3715                         keys = [];\r
3717                 return markFunction(function( key, value ) {\r
3718                         // Only keep the most recent entries\r
3719                         if ( keys.push( key ) > Expr.cacheLength ) {\r
3720                                 delete cache[ keys.shift() ];\r
3721                         }\r
3723                         // Retrieve with (key + " ") to avoid collision with native Object.prototype properties (see Issue #157)\r
3724                         return (cache[ key + " " ] = value);\r
3725                 }, cache );\r
3726         },\r
3728         classCache = createCache(),\r
3729         tokenCache = createCache(),\r
3730         compilerCache = createCache(),\r
3732         // Regex\r
3734         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace\r
3735         whitespace = "[\\x20\\t\\r\\n\\f]",\r
3736         // http://www.w3.org/TR/css3-syntax/#characters\r
3737         characterEncoding = "(?:\\\\.|[-\\w]|[^\\x00-\\xa0])+",\r
3739         // Loosely modeled on CSS identifier characters\r
3740         // An unquoted value should be a CSS identifier (http://www.w3.org/TR/css3-selectors/#attribute-selectors)\r
3741         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier\r
3742         identifier = characterEncoding.replace( "w", "w#" ),\r
3744         // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors\r
3745         operators = "([*^$|!~]?=)",\r
3746         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +\r
3747                 "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",\r
3749         // Prefer arguments not in parens/brackets,\r
3750         //   then attribute selectors and non-pseudos (denoted by :),\r
3751         //   then anything else\r
3752         // These preferences are here to reduce the number of selectors\r
3753         //   needing tokenize in the PSEUDO preFilter\r
3754         pseudos = ":(" + characterEncoding + ")(?:\\((?:(['\"])((?:\\\\.|[^\\\\])*?)\\2|([^()[\\]]*|(?:(?:" + attributes + ")|[^:]|\\\\.)*|.*))\\)|)",\r
3756         // For matchExpr.POS and matchExpr.needsContext\r
3757         pos = ":(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +\r
3758                 "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)",\r
3760         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter\r
3761         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),\r
3763         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),\r
3764         rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ),\r
3765         rpseudo = new RegExp( pseudos ),\r
3767         // Easily-parseable/retrievable ID or TAG or CLASS selectors\r
3768         rquickExpr = /^(?:#([\w\-]+)|(\w+)|\.([\w\-]+))$/,\r
3770         rnot = /^:not/,\r
3771         rsibling = /[\x20\t\r\n\f]*[+~]/,\r
3772         rendsWithNot = /:not\($/,\r
3774         rheader = /h\d/i,\r
3775         rinputs = /input|select|textarea|button/i,\r
3777         rbackslash = /\\(?!\\)/g,\r
3779         matchExpr = {\r
3780                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),\r
3781                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),\r
3782                 "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),\r
3783                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),\r
3784                 "ATTR": new RegExp( "^" + attributes ),\r
3785                 "PSEUDO": new RegExp( "^" + pseudos ),\r
3786                 "POS": new RegExp( pos, "i" ),\r
3787                 "CHILD": new RegExp( "^:(only|nth|first|last)-child(?:\\(" + whitespace +\r
3788                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +\r
3789                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),\r
3790                 // For use in libraries implementing .is()\r
3791                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|" + pos, "i" )\r
3792         },\r
3794         // Support\r
3796         // Used for testing something on an element\r
3797         assert = function( fn ) {\r
3798                 var div = document.createElement("div");\r
3800                 try {\r
3801                         return fn( div );\r
3802                 } catch (e) {\r
3803                         return false;\r
3804                 } finally {\r
3805                         // release memory in IE\r
3806                         div = null;\r
3807                 }\r
3808         },\r
3810         // Check if getElementsByTagName("*") returns only elements\r
3811         assertTagNameNoComments = assert(function( div ) {\r
3812                 div.appendChild( document.createComment("") );\r
3813                 return !div.getElementsByTagName("*").length;\r
3814         }),\r
3816         // Check if getAttribute returns normalized href attributes\r
3817         assertHrefNotNormalized = assert(function( div ) {\r
3818                 div.innerHTML = "<a href='#'></a>";\r
3819                 return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&\r
3820                         div.firstChild.getAttribute("href") === "#";\r
3821         }),\r
3823         // Check if attributes should be retrieved by attribute nodes\r
3824         assertAttributes = assert(function( div ) {\r
3825                 div.innerHTML = "<select></select>";\r
3826                 var type = typeof div.lastChild.getAttribute("multiple");\r
3827                 // IE8 returns a string for some attributes even when not present\r
3828                 return type !== "boolean" && type !== "string";\r
3829         }),\r
3831         // Check if getElementsByClassName can be trusted\r
3832         assertUsableClassName = assert(function( div ) {\r
3833                 // Opera can't find a second classname (in 9.6)\r
3834                 div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";\r
3835                 if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) {\r
3836                         return false;\r
3837                 }\r
3839                 // Safari 3.2 caches class attributes and doesn't catch changes\r
3840                 div.lastChild.className = "e";\r
3841                 return div.getElementsByClassName("e").length === 2;\r
3842         }),\r
3844         // Check if getElementById returns elements by name\r
3845         // Check if getElementsByName privileges form controls or returns elements by ID\r
3846         assertUsableName = assert(function( div ) {\r
3847                 // Inject content\r
3848                 div.id = expando + 0;\r
3849                 div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";\r
3850                 docElem.insertBefore( div, docElem.firstChild );\r
3852                 // Test\r
3853                 var pass = document.getElementsByName &&\r
3854                         // buggy browsers will return fewer than the correct 2\r
3855                         document.getElementsByName( expando ).length === 2 +\r
3856                         // buggy browsers will return more than the correct 0\r
3857                         document.getElementsByName( expando + 0 ).length;\r
3858                 assertGetIdNotName = !document.getElementById( expando );\r
3860                 // Cleanup\r
3861                 docElem.removeChild( div );\r
3863                 return pass;\r
3864         });\r
3866 // If slice is not available, provide a backup\r
3867 try {\r
3868         slice.call( docElem.childNodes, 0 )[0].nodeType;\r
3869 } catch ( e ) {\r
3870         slice = function( i ) {\r
3871                 var elem,\r
3872                         results = [];\r
3873                 for ( ; (elem = this[i]); i++ ) {\r
3874                         results.push( elem );\r
3875                 }\r
3876                 return results;\r
3877         };\r
3880 function Sizzle( selector, context, results, seed ) {\r
3881         results = results || [];\r
3882         context = context || document;\r
3883         var match, elem, xml, m,\r
3884                 nodeType = context.nodeType;\r
3886         if ( !selector || typeof selector !== "string" ) {\r
3887                 return results;\r
3888         }\r
3890         if ( nodeType !== 1 && nodeType !== 9 ) {\r
3891                 return [];\r
3892         }\r
3894         xml = isXML( context );\r
3896         if ( !xml && !seed ) {\r
3897                 if ( (match = rquickExpr.exec( selector )) ) {\r
3898                         // Speed-up: Sizzle("#ID")\r
3899                         if ( (m = match[1]) ) {\r
3900                                 if ( nodeType === 9 ) {\r
3901                                         elem = context.getElementById( m );\r
3902                                         // Check parentNode to catch when Blackberry 4.6 returns\r
3903                                         // nodes that are no longer in the document #6963\r
3904                                         if ( elem && elem.parentNode ) {\r
3905                                                 // Handle the case where IE, Opera, and Webkit return items\r
3906                                                 // by name instead of ID\r
3907                                                 if ( elem.id === m ) {\r
3908                                                         results.push( elem );\r
3909                                                         return results;\r
3910                                                 }\r
3911                                         } else {\r
3912                                                 return results;\r
3913                                         }\r
3914                                 } else {\r
3915                                         // Context is not a document\r
3916                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&\r
3917                                                 contains( context, elem ) && elem.id === m ) {\r
3918                                                 results.push( elem );\r
3919                                                 return results;\r
3920                                         }\r
3921                                 }\r
3923                         // Speed-up: Sizzle("TAG")\r
3924                         } else if ( match[2] ) {\r
3925                                 push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );\r
3926                                 return results;\r
3928                         // Speed-up: Sizzle(".CLASS")\r
3929                         } else if ( (m = match[3]) && assertUsableClassName && context.getElementsByClassName ) {\r
3930                                 push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );\r
3931                                 return results;\r
3932                         }\r
3933                 }\r
3934         }\r
3936         // All others\r
3937         return select( selector.replace( rtrim, "$1" ), context, results, seed, xml );\r
3940 Sizzle.matches = function( expr, elements ) {\r
3941         return Sizzle( expr, null, null, elements );\r
3942 };\r
3944 Sizzle.matchesSelector = function( elem, expr ) {\r
3945         return Sizzle( expr, null, null, [ elem ] ).length > 0;\r
3946 };\r
3948 // Returns a function to use in pseudos for input types\r
3949 function createInputPseudo( type ) {\r
3950         return function( elem ) {\r
3951                 var name = elem.nodeName.toLowerCase();\r
3952                 return name === "input" && elem.type === type;\r
3953         };\r
3956 // Returns a function to use in pseudos for buttons\r
3957 function createButtonPseudo( type ) {\r
3958         return function( elem ) {\r
3959                 var name = elem.nodeName.toLowerCase();\r
3960                 return (name === "input" || name === "button") && elem.type === type;\r
3961         };\r
3964 // Returns a function to use in pseudos for positionals\r
3965 function createPositionalPseudo( fn ) {\r
3966         return markFunction(function( argument ) {\r
3967                 argument = +argument;\r
3968                 return markFunction(function( seed, matches ) {\r
3969                         var j,\r
3970                                 matchIndexes = fn( [], seed.length, argument ),\r
3971                                 i = matchIndexes.length;\r
3973                         // Match elements found at the specified indexes\r
3974                         while ( i-- ) {\r
3975                                 if ( seed[ (j = matchIndexes[i]) ] ) {\r
3976                                         seed[j] = !(matches[j] = seed[j]);\r
3977                                 }\r
3978                         }\r
3979                 });\r
3980         });\r
3983 /**\r
3984  * Utility function for retrieving the text value of an array of DOM nodes\r
3985  * @param {Array|Element} elem\r
3986  */\r
3987 getText = Sizzle.getText = function( elem ) {\r
3988         var node,\r
3989                 ret = "",\r
3990                 i = 0,\r
3991                 nodeType = elem.nodeType;\r
3993         if ( nodeType ) {\r
3994                 if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {\r
3995                         // Use textContent for elements\r
3996                         // innerText usage removed for consistency of new lines (see #11153)\r
3997                         if ( typeof elem.textContent === "string" ) {\r
3998                                 return elem.textContent;\r
3999                         } else {\r
4000                                 // Traverse its children\r
4001                                 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\r
4002                                         ret += getText( elem );\r
4003                                 }\r
4004                         }\r
4005                 } else if ( nodeType === 3 || nodeType === 4 ) {\r
4006                         return elem.nodeValue;\r
4007                 }\r
4008                 // Do not include comment or processing instruction nodes\r
4009         } else {\r
4011                 // If no nodeType, this is expected to be an array\r
4012                 for ( ; (node = elem[i]); i++ ) {\r
4013                         // Do not traverse comment nodes\r
4014                         ret += getText( node );\r
4015                 }\r
4016         }\r
4017         return ret;\r
4018 };\r
4020 isXML = Sizzle.isXML = function( elem ) {\r
4021         // documentElement is verified for cases where it doesn't yet exist\r
4022         // (such as loading iframes in IE - #4833)\r
4023         var documentElement = elem && (elem.ownerDocument || elem).documentElement;\r
4024         return documentElement ? documentElement.nodeName !== "HTML" : false;\r
4025 };\r
4027 // Element contains another\r
4028 contains = Sizzle.contains = docElem.contains ?\r
4029         function( a, b ) {\r
4030                 var adown = a.nodeType === 9 ? a.documentElement : a,\r
4031                         bup = b && b.parentNode;\r
4032                 return a === bup || !!( bup && bup.nodeType === 1 && adown.contains && adown.contains(bup) );\r
4033         } :\r
4034         docElem.compareDocumentPosition ?\r
4035         function( a, b ) {\r
4036                 return b && !!( a.compareDocumentPosition( b ) & 16 );\r
4037         } :\r
4038         function( a, b ) {\r
4039                 while ( (b = b.parentNode) ) {\r
4040                         if ( b === a ) {\r
4041                                 return true;\r
4042                         }\r
4043                 }\r
4044                 return false;\r
4045         };\r
4047 Sizzle.attr = function( elem, name ) {\r
4048         var val,\r
4049                 xml = isXML( elem );\r
4051         if ( !xml ) {\r
4052                 name = name.toLowerCase();\r
4053         }\r
4054         if ( (val = Expr.attrHandle[ name ]) ) {\r
4055                 return val( elem );\r
4056         }\r
4057         if ( xml || assertAttributes ) {\r
4058                 return elem.getAttribute( name );\r
4059         }\r
4060         val = elem.getAttributeNode( name );\r
4061         return val ?\r
4062                 typeof elem[ name ] === "boolean" ?\r
4063                         elem[ name ] ? name : null :\r
4064                         val.specified ? val.value : null :\r
4065                 null;\r
4066 };\r
4068 Expr = Sizzle.selectors = {\r
4070         // Can be adjusted by the user\r
4071         cacheLength: 50,\r
4073         createPseudo: markFunction,\r
4075         match: matchExpr,\r
4077         // IE6/7 return a modified href\r
4078         attrHandle: assertHrefNotNormalized ?\r
4079                 {} :\r
4080                 {\r
4081                         "href": function( elem ) {\r
4082                                 return elem.getAttribute( "href", 2 );\r
4083                         },\r
4084                         "type": function( elem ) {\r
4085                                 return elem.getAttribute("type");\r
4086                         }\r
4087                 },\r
4089         find: {\r
4090                 "ID": assertGetIdNotName ?\r
4091                         function( id, context, xml ) {\r
4092                                 if ( typeof context.getElementById !== strundefined && !xml ) {\r
4093                                         var m = context.getElementById( id );\r
4094                                         // Check parentNode to catch when Blackberry 4.6 returns\r
4095                                         // nodes that are no longer in the document #6963\r
4096                                         return m && m.parentNode ? [m] : [];\r
4097                                 }\r
4098                         } :\r
4099                         function( id, context, xml ) {\r
4100                                 if ( typeof context.getElementById !== strundefined && !xml ) {\r
4101                                         var m = context.getElementById( id );\r
4103                                         return m ?\r
4104                                                 m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?\r
4105                                                         [m] :\r
4106                                                         undefined :\r
4107                                                 [];\r
4108                                 }\r
4109                         },\r
4111                 "TAG": assertTagNameNoComments ?\r
4112                         function( tag, context ) {\r
4113                                 if ( typeof context.getElementsByTagName !== strundefined ) {\r
4114                                         return context.getElementsByTagName( tag );\r
4115                                 }\r
4116                         } :\r
4117                         function( tag, context ) {\r
4118                                 var results = context.getElementsByTagName( tag );\r
4120                                 // Filter out possible comments\r
4121                                 if ( tag === "*" ) {\r
4122                                         var elem,\r
4123                                                 tmp = [],\r
4124                                                 i = 0;\r
4126                                         for ( ; (elem = results[i]); i++ ) {\r
4127                                                 if ( elem.nodeType === 1 ) {\r
4128                                                         tmp.push( elem );\r
4129                                                 }\r
4130                                         }\r
4132                                         return tmp;\r
4133                                 }\r
4134                                 return results;\r
4135                         },\r
4137                 "NAME": assertUsableName && function( tag, context ) {\r
4138                         if ( typeof context.getElementsByName !== strundefined ) {\r
4139                                 return context.getElementsByName( name );\r
4140                         }\r
4141                 },\r
4143                 "CLASS": assertUsableClassName && function( className, context, xml ) {\r
4144                         if ( typeof context.getElementsByClassName !== strundefined && !xml ) {\r
4145                                 return context.getElementsByClassName( className );\r
4146                         }\r
4147                 }\r
4148         },\r
4150         relative: {\r
4151                 ">": { dir: "parentNode", first: true },\r
4152                 " ": { dir: "parentNode" },\r
4153                 "+": { dir: "previousSibling", first: true },\r
4154                 "~": { dir: "previousSibling" }\r
4155         },\r
4157         preFilter: {\r
4158                 "ATTR": function( match ) {\r
4159                         match[1] = match[1].replace( rbackslash, "" );\r
4161                         // Move the given value to match[3] whether quoted or unquoted\r
4162                         match[3] = ( match[4] || match[5] || "" ).replace( rbackslash, "" );\r
4164                         if ( match[2] === "~=" ) {\r
4165                                 match[3] = " " + match[3] + " ";\r
4166                         }\r
4168                         return match.slice( 0, 4 );\r
4169                 },\r
4171                 "CHILD": function( match ) {\r
4172                         /* matches from matchExpr["CHILD"]\r
4173                                 1 type (only|nth|...)\r
4174                                 2 argument (even|odd|\d*|\d*n([+-]\d+)?|...)\r
4175                                 3 xn-component of xn+y argument ([+-]?\d*n|)\r
4176                                 4 sign of xn-component\r
4177                                 5 x of xn-component\r
4178                                 6 sign of y-component\r
4179                                 7 y of y-component\r
4180                         */\r
4181                         match[1] = match[1].toLowerCase();\r
4183                         if ( match[1] === "nth" ) {\r
4184                                 // nth-child requires argument\r
4185                                 if ( !match[2] ) {\r
4186                                         Sizzle.error( match[0] );\r
4187                                 }\r
4189                                 // numeric x and y parameters for Expr.filter.CHILD\r
4190                                 // remember that false/true cast respectively to 0/1\r
4191                                 match[3] = +( match[3] ? match[4] + (match[5] || 1) : 2 * ( match[2] === "even" || match[2] === "odd" ) );\r
4192                                 match[4] = +( ( match[6] + match[7] ) || match[2] === "odd" );\r
4194                         // other types prohibit arguments\r
4195                         } else if ( match[2] ) {\r
4196                                 Sizzle.error( match[0] );\r
4197                         }\r
4199                         return match;\r
4200                 },\r
4202                 "PSEUDO": function( match ) {\r
4203                         var unquoted, excess;\r
4204                         if ( matchExpr["CHILD"].test( match[0] ) ) {\r
4205                                 return null;\r
4206                         }\r
4208                         if ( match[3] ) {\r
4209                                 match[2] = match[3];\r
4210                         } else if ( (unquoted = match[4]) ) {\r
4211                                 // Only check arguments that contain a pseudo\r
4212                                 if ( rpseudo.test(unquoted) &&\r
4213                                         // Get excess from tokenize (recursively)\r
4214                                         (excess = tokenize( unquoted, true )) &&\r
4215                                         // advance to the next closing parenthesis\r
4216                                         (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {\r
4218                                         // excess is a negative index\r
4219                                         unquoted = unquoted.slice( 0, excess );\r
4220                                         match[0] = match[0].slice( 0, excess );\r
4221                                 }\r
4222                                 match[2] = unquoted;\r
4223                         }\r
4225                         // Return only captures needed by the pseudo filter method (type and argument)\r
4226                         return match.slice( 0, 3 );\r
4227                 }\r
4228         },\r
4230         filter: {\r
4231                 "ID": assertGetIdNotName ?\r
4232                         function( id ) {\r
4233                                 id = id.replace( rbackslash, "" );\r
4234                                 return function( elem ) {\r
4235                                         return elem.getAttribute("id") === id;\r
4236                                 };\r
4237                         } :\r
4238                         function( id ) {\r
4239                                 id = id.replace( rbackslash, "" );\r
4240                                 return function( elem ) {\r
4241                                         var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");\r
4242                                         return node && node.value === id;\r
4243                                 };\r
4244                         },\r
4246                 "TAG": function( nodeName ) {\r
4247                         if ( nodeName === "*" ) {\r
4248                                 return function() { return true; };\r
4249                         }\r
4250                         nodeName = nodeName.replace( rbackslash, "" ).toLowerCase();\r
4252                         return function( elem ) {\r
4253                                 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;\r
4254                         };\r
4255                 },\r
4257                 "CLASS": function( className ) {\r
4258                         var pattern = classCache[ expando ][ className + " " ];\r
4260                         return pattern ||\r
4261                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&\r
4262                                 classCache( className, function( elem ) {\r
4263                                         return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );\r
4264                                 });\r
4265                 },\r
4267                 "ATTR": function( name, operator, check ) {\r
4268                         return function( elem, context ) {\r
4269                                 var result = Sizzle.attr( elem, name );\r
4271                                 if ( result == null ) {\r
4272                                         return operator === "!=";\r
4273                                 }\r
4274                                 if ( !operator ) {\r
4275                                         return true;\r
4276                                 }\r
4278                                 result += "";\r
4280                                 return operator === "=" ? result === check :\r
4281                                         operator === "!=" ? result !== check :\r
4282                                         operator === "^=" ? check && result.indexOf( check ) === 0 :\r
4283                                         operator === "*=" ? check && result.indexOf( check ) > -1 :\r
4284                                         operator === "$=" ? check && result.substr( result.length - check.length ) === check :\r
4285                                         operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :\r
4286                                         operator === "|=" ? result === check || result.substr( 0, check.length + 1 ) === check + "-" :\r
4287                                         false;\r
4288                         };\r
4289                 },\r
4291                 "CHILD": function( type, argument, first, last ) {\r
4293                         if ( type === "nth" ) {\r
4294                                 return function( elem ) {\r
4295                                         var node, diff,\r
4296                                                 parent = elem.parentNode;\r
4298                                         if ( first === 1 && last === 0 ) {\r
4299                                                 return true;\r
4300                                         }\r
4302                                         if ( parent ) {\r
4303                                                 diff = 0;\r
4304                                                 for ( node = parent.firstChild; node; node = node.nextSibling ) {\r
4305                                                         if ( node.nodeType === 1 ) {\r
4306                                                                 diff++;\r
4307                                                                 if ( elem === node ) {\r
4308                                                                         break;\r
4309                                                                 }\r
4310                                                         }\r
4311                                                 }\r
4312                                         }\r
4314                                         // Incorporate the offset (or cast to NaN), then check against cycle size\r
4315                                         diff -= last;\r
4316                                         return diff === first || ( diff % first === 0 && diff / first >= 0 );\r
4317                                 };\r
4318                         }\r
4320                         return function( elem ) {\r
4321                                 var node = elem;\r
4323                                 switch ( type ) {\r
4324                                         case "only":\r
4325                                         case "first":\r
4326                                                 while ( (node = node.previousSibling) ) {\r
4327                                                         if ( node.nodeType === 1 ) {\r
4328                                                                 return false;\r
4329                                                         }\r
4330                                                 }\r
4332                                                 if ( type === "first" ) {\r
4333                                                         return true;\r
4334                                                 }\r
4336                                                 node = elem;\r
4338                                                 /* falls through */\r
4339                                         case "last":\r
4340                                                 while ( (node = node.nextSibling) ) {\r
4341                                                         if ( node.nodeType === 1 ) {\r
4342                                                                 return false;\r
4343                                                         }\r
4344                                                 }\r
4346                                                 return true;\r
4347                                 }\r
4348                         };\r
4349                 },\r
4351                 "PSEUDO": function( pseudo, argument ) {\r
4352                         // pseudo-class names are case-insensitive\r
4353                         // http://www.w3.org/TR/selectors/#pseudo-classes\r
4354                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters\r
4355                         // Remember that setFilters inherits from pseudos\r
4356                         var args,\r
4357                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||\r
4358                                         Sizzle.error( "unsupported pseudo: " + pseudo );\r
4360                         // The user may use createPseudo to indicate that\r
4361                         // arguments are needed to create the filter function\r
4362                         // just as Sizzle does\r
4363                         if ( fn[ expando ] ) {\r
4364                                 return fn( argument );\r
4365                         }\r
4367                         // But maintain support for old signatures\r
4368                         if ( fn.length > 1 ) {\r
4369                                 args = [ pseudo, pseudo, "", argument ];\r
4370                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?\r
4371                                         markFunction(function( seed, matches ) {\r
4372                                                 var idx,\r
4373                                                         matched = fn( seed, argument ),\r
4374                                                         i = matched.length;\r
4375                                                 while ( i-- ) {\r
4376                                                         idx = indexOf.call( seed, matched[i] );\r
4377                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );\r
4378                                                 }\r
4379                                         }) :\r
4380                                         function( elem ) {\r
4381                                                 return fn( elem, 0, args );\r
4382                                         };\r
4383                         }\r
4385                         return fn;\r
4386                 }\r
4387         },\r
4389         pseudos: {\r
4390                 "not": markFunction(function( selector ) {\r
4391                         // Trim the selector passed to compile\r
4392                         // to avoid treating leading and trailing\r
4393                         // spaces as combinators\r
4394                         var input = [],\r
4395                                 results = [],\r
4396                                 matcher = compile( selector.replace( rtrim, "$1" ) );\r
4398                         return matcher[ expando ] ?\r
4399                                 markFunction(function( seed, matches, context, xml ) {\r
4400                                         var elem,\r
4401                                                 unmatched = matcher( seed, null, xml, [] ),\r
4402                                                 i = seed.length;\r
4404                                         // Match elements unmatched by `matcher`\r
4405                                         while ( i-- ) {\r
4406                                                 if ( (elem = unmatched[i]) ) {\r
4407                                                         seed[i] = !(matches[i] = elem);\r
4408                                                 }\r
4409                                         }\r
4410                                 }) :\r
4411                                 function( elem, context, xml ) {\r
4412                                         input[0] = elem;\r
4413                                         matcher( input, null, xml, results );\r
4414                                         return !results.pop();\r
4415                                 };\r
4416                 }),\r
4418                 "has": markFunction(function( selector ) {\r
4419                         return function( elem ) {\r
4420                                 return Sizzle( selector, elem ).length > 0;\r
4421                         };\r
4422                 }),\r
4424                 "contains": markFunction(function( text ) {\r
4425                         return function( elem ) {\r
4426                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;\r
4427                         };\r
4428                 }),\r
4430                 "enabled": function( elem ) {\r
4431                         return elem.disabled === false;\r
4432                 },\r
4434                 "disabled": function( elem ) {\r
4435                         return elem.disabled === true;\r
4436                 },\r
4438                 "checked": function( elem ) {\r
4439                         // In CSS3, :checked should return both checked and selected elements\r
4440                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\r
4441                         var nodeName = elem.nodeName.toLowerCase();\r
4442                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);\r
4443                 },\r
4445                 "selected": function( elem ) {\r
4446                         // Accessing this property makes selected-by-default\r
4447                         // options in Safari work properly\r
4448                         if ( elem.parentNode ) {\r
4449                                 elem.parentNode.selectedIndex;\r
4450                         }\r
4452                         return elem.selected === true;\r
4453                 },\r
4455                 "parent": function( elem ) {\r
4456                         return !Expr.pseudos["empty"]( elem );\r
4457                 },\r
4459                 "empty": function( elem ) {\r
4460                         // http://www.w3.org/TR/selectors/#empty-pseudo\r
4461                         // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),\r
4462                         //   not comment, processing instructions, or others\r
4463                         // Thanks to Diego Perini for the nodeName shortcut\r
4464                         //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")\r
4465                         var nodeType;\r
4466                         elem = elem.firstChild;\r
4467                         while ( elem ) {\r
4468                                 if ( elem.nodeName > "@" || (nodeType = elem.nodeType) === 3 || nodeType === 4 ) {\r
4469                                         return false;\r
4470                                 }\r
4471                                 elem = elem.nextSibling;\r
4472                         }\r
4473                         return true;\r
4474                 },\r
4476                 "header": function( elem ) {\r
4477                         return rheader.test( elem.nodeName );\r
4478                 },\r
4480                 "text": function( elem ) {\r
4481                         var type, attr;\r
4482                         // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)\r
4483                         // use getAttribute instead to test this case\r
4484                         return elem.nodeName.toLowerCase() === "input" &&\r
4485                                 (type = elem.type) === "text" &&\r
4486                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === type );\r
4487                 },\r
4489                 // Input types\r
4490                 "radio": createInputPseudo("radio"),\r
4491                 "checkbox": createInputPseudo("checkbox"),\r
4492                 "file": createInputPseudo("file"),\r
4493                 "password": createInputPseudo("password"),\r
4494                 "image": createInputPseudo("image"),\r
4496                 "submit": createButtonPseudo("submit"),\r
4497                 "reset": createButtonPseudo("reset"),\r
4499                 "button": function( elem ) {\r
4500                         var name = elem.nodeName.toLowerCase();\r
4501                         return name === "input" && elem.type === "button" || name === "button";\r
4502                 },\r
4504                 "input": function( elem ) {\r
4505                         return rinputs.test( elem.nodeName );\r
4506                 },\r
4508                 "focus": function( elem ) {\r
4509                         var doc = elem.ownerDocument;\r
4510                         return elem === doc.activeElement && (!doc.hasFocus || doc.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);\r
4511                 },\r
4513                 "active": function( elem ) {\r
4514                         return elem === elem.ownerDocument.activeElement;\r
4515                 },\r
4517                 // Positional types\r
4518                 "first": createPositionalPseudo(function() {\r
4519                         return [ 0 ];\r
4520                 }),\r
4522                 "last": createPositionalPseudo(function( matchIndexes, length ) {\r
4523                         return [ length - 1 ];\r
4524                 }),\r
4526                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {\r
4527                         return [ argument < 0 ? argument + length : argument ];\r
4528                 }),\r
4530                 "even": createPositionalPseudo(function( matchIndexes, length ) {\r
4531                         for ( var i = 0; i < length; i += 2 ) {\r
4532                                 matchIndexes.push( i );\r
4533                         }\r
4534                         return matchIndexes;\r
4535                 }),\r
4537                 "odd": createPositionalPseudo(function( matchIndexes, length ) {\r
4538                         for ( var i = 1; i < length; i += 2 ) {\r
4539                                 matchIndexes.push( i );\r
4540                         }\r
4541                         return matchIndexes;\r
4542                 }),\r
4544                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {\r
4545                         for ( var i = argument < 0 ? argument + length : argument; --i >= 0; ) {\r
4546                                 matchIndexes.push( i );\r
4547                         }\r
4548                         return matchIndexes;\r
4549                 }),\r
4551                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {\r
4552                         for ( var i = argument < 0 ? argument + length : argument; ++i < length; ) {\r
4553                                 matchIndexes.push( i );\r
4554                         }\r
4555                         return matchIndexes;\r
4556                 })\r
4557         }\r
4558 };\r
4560 function siblingCheck( a, b, ret ) {\r
4561         if ( a === b ) {\r
4562                 return ret;\r
4563         }\r
4565         var cur = a.nextSibling;\r
4567         while ( cur ) {\r
4568                 if ( cur === b ) {\r
4569                         return -1;\r
4570                 }\r
4572                 cur = cur.nextSibling;\r
4573         }\r
4575         return 1;\r
4578 sortOrder = docElem.compareDocumentPosition ?\r
4579         function( a, b ) {\r
4580                 if ( a === b ) {\r
4581                         hasDuplicate = true;\r
4582                         return 0;\r
4583                 }\r
4585                 return ( !a.compareDocumentPosition || !b.compareDocumentPosition ?\r
4586                         a.compareDocumentPosition :\r
4587                         a.compareDocumentPosition(b) & 4\r
4588                 ) ? -1 : 1;\r
4589         } :\r
4590         function( a, b ) {\r
4591                 // The nodes are identical, we can exit early\r
4592                 if ( a === b ) {\r
4593                         hasDuplicate = true;\r
4594                         return 0;\r
4596                 // Fallback to using sourceIndex (in IE) if it's available on both nodes\r
4597                 } else if ( a.sourceIndex && b.sourceIndex ) {\r
4598                         return a.sourceIndex - b.sourceIndex;\r
4599                 }\r
4601                 var al, bl,\r
4602                         ap = [],\r
4603                         bp = [],\r
4604                         aup = a.parentNode,\r
4605                         bup = b.parentNode,\r
4606                         cur = aup;\r
4608                 // If the nodes are siblings (or identical) we can do a quick check\r
4609                 if ( aup === bup ) {\r
4610                         return siblingCheck( a, b );\r
4612                 // If no parents were found then the nodes are disconnected\r
4613                 } else if ( !aup ) {\r
4614                         return -1;\r
4616                 } else if ( !bup ) {\r
4617                         return 1;\r
4618                 }\r
4620                 // Otherwise they're somewhere else in the tree so we need\r
4621                 // to build up a full list of the parentNodes for comparison\r
4622                 while ( cur ) {\r
4623                         ap.unshift( cur );\r
4624                         cur = cur.parentNode;\r
4625                 }\r
4627                 cur = bup;\r
4629                 while ( cur ) {\r
4630                         bp.unshift( cur );\r
4631                         cur = cur.parentNode;\r
4632                 }\r
4634                 al = ap.length;\r
4635                 bl = bp.length;\r
4637                 // Start walking down the tree looking for a discrepancy\r
4638                 for ( var i = 0; i < al && i < bl; i++ ) {\r
4639                         if ( ap[i] !== bp[i] ) {\r
4640                                 return siblingCheck( ap[i], bp[i] );\r
4641                         }\r
4642                 }\r
4644                 // We ended someplace up the tree so do a sibling check\r
4645                 return i === al ?\r
4646                         siblingCheck( a, bp[i], -1 ) :\r
4647                         siblingCheck( ap[i], b, 1 );\r
4648         };\r
4650 // Always assume the presence of duplicates if sort doesn't\r
4651 // pass them to our comparison function (as in Google Chrome).\r
4652 [0, 0].sort( sortOrder );\r
4653 baseHasDuplicate = !hasDuplicate;\r
4655 // Document sorting and removing duplicates\r
4656 Sizzle.uniqueSort = function( results ) {\r
4657         var elem,\r
4658                 duplicates = [],\r
4659                 i = 1,\r
4660                 j = 0;\r
4662         hasDuplicate = baseHasDuplicate;\r
4663         results.sort( sortOrder );\r
4665         if ( hasDuplicate ) {\r
4666                 for ( ; (elem = results[i]); i++ ) {\r
4667                         if ( elem === results[ i - 1 ] ) {\r
4668                                 j = duplicates.push( i );\r
4669                         }\r
4670                 }\r
4671                 while ( j-- ) {\r
4672                         results.splice( duplicates[ j ], 1 );\r
4673                 }\r
4674         }\r
4676         return results;\r
4677 };\r
4679 Sizzle.error = function( msg ) {\r
4680         throw new Error( "Syntax error, unrecognized expression: " + msg );\r
4681 };\r
4683 function tokenize( selector, parseOnly ) {\r
4684         var matched, match, tokens, type,\r
4685                 soFar, groups, preFilters,\r
4686                 cached = tokenCache[ expando ][ selector + " " ];\r
4688         if ( cached ) {\r
4689                 return parseOnly ? 0 : cached.slice( 0 );\r
4690         }\r
4692         soFar = selector;\r
4693         groups = [];\r
4694         preFilters = Expr.preFilter;\r
4696         while ( soFar ) {\r
4698                 // Comma and first run\r
4699                 if ( !matched || (match = rcomma.exec( soFar )) ) {\r
4700                         if ( match ) {\r
4701                                 // Don't consume trailing commas as valid\r
4702                                 soFar = soFar.slice( match[0].length ) || soFar;\r
4703                         }\r
4704                         groups.push( tokens = [] );\r
4705                 }\r
4707                 matched = false;\r
4709                 // Combinators\r
4710                 if ( (match = rcombinators.exec( soFar )) ) {\r
4711                         tokens.push( matched = new Token( match.shift() ) );\r
4712                         soFar = soFar.slice( matched.length );\r
4714                         // Cast descendant combinators to space\r
4715                         matched.type = match[0].replace( rtrim, " " );\r
4716                 }\r
4718                 // Filters\r
4719                 for ( type in Expr.filter ) {\r
4720                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||\r
4721                                 (match = preFilters[ type ]( match ))) ) {\r
4723                                 tokens.push( matched = new Token( match.shift() ) );\r
4724                                 soFar = soFar.slice( matched.length );\r
4725                                 matched.type = type;\r
4726                                 matched.matches = match;\r
4727                         }\r
4728                 }\r
4730                 if ( !matched ) {\r
4731                         break;\r
4732                 }\r
4733         }\r
4735         // Return the length of the invalid excess\r
4736         // if we're just parsing\r
4737         // Otherwise, throw an error or return tokens\r
4738         return parseOnly ?\r
4739                 soFar.length :\r
4740                 soFar ?\r
4741                         Sizzle.error( selector ) :\r
4742                         // Cache the tokens\r
4743                         tokenCache( selector, groups ).slice( 0 );\r
4746 function addCombinator( matcher, combinator, base ) {\r
4747         var dir = combinator.dir,\r
4748                 checkNonElements = base && combinator.dir === "parentNode",\r
4749                 doneName = done++;\r
4751         return combinator.first ?\r
4752                 // Check against closest ancestor/preceding element\r
4753                 function( elem, context, xml ) {\r
4754                         while ( (elem = elem[ dir ]) ) {\r
4755                                 if ( checkNonElements || elem.nodeType === 1  ) {\r
4756                                         return matcher( elem, context, xml );\r
4757                                 }\r
4758                         }\r
4759                 } :\r
4761                 // Check against all ancestor/preceding elements\r
4762                 function( elem, context, xml ) {\r
4763                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching\r
4764                         if ( !xml ) {\r
4765                                 var cache,\r
4766                                         dirkey = dirruns + " " + doneName + " ",\r
4767                                         cachedkey = dirkey + cachedruns;\r
4768                                 while ( (elem = elem[ dir ]) ) {\r
4769                                         if ( checkNonElements || elem.nodeType === 1 ) {\r
4770                                                 if ( (cache = elem[ expando ]) === cachedkey ) {\r
4771                                                         return elem.sizset;\r
4772                                                 } else if ( typeof cache === "string" && cache.indexOf(dirkey) === 0 ) {\r
4773                                                         if ( elem.sizset ) {\r
4774                                                                 return elem;\r
4775                                                         }\r
4776                                                 } else {\r
4777                                                         elem[ expando ] = cachedkey;\r
4778                                                         if ( matcher( elem, context, xml ) ) {\r
4779                                                                 elem.sizset = true;\r
4780                                                                 return elem;\r
4781                                                         }\r
4782                                                         elem.sizset = false;\r
4783                                                 }\r
4784                                         }\r
4785                                 }\r
4786                         } else {\r
4787                                 while ( (elem = elem[ dir ]) ) {\r
4788                                         if ( checkNonElements || elem.nodeType === 1 ) {\r
4789                                                 if ( matcher( elem, context, xml ) ) {\r
4790                                                         return elem;\r
4791                                                 }\r
4792                                         }\r
4793                                 }\r
4794                         }\r
4795                 };\r
4798 function elementMatcher( matchers ) {\r
4799         return matchers.length > 1 ?\r
4800                 function( elem, context, xml ) {\r
4801                         var i = matchers.length;\r
4802                         while ( i-- ) {\r
4803                                 if ( !matchers[i]( elem, context, xml ) ) {\r
4804                                         return false;\r
4805                                 }\r
4806                         }\r
4807                         return true;\r
4808                 } :\r
4809                 matchers[0];\r
4812 function condense( unmatched, map, filter, context, xml ) {\r
4813         var elem,\r
4814                 newUnmatched = [],\r
4815                 i = 0,\r
4816                 len = unmatched.length,\r
4817                 mapped = map != null;\r
4819         for ( ; i < len; i++ ) {\r
4820                 if ( (elem = unmatched[i]) ) {\r
4821                         if ( !filter || filter( elem, context, xml ) ) {\r
4822                                 newUnmatched.push( elem );\r
4823                                 if ( mapped ) {\r
4824                                         map.push( i );\r
4825                                 }\r
4826                         }\r
4827                 }\r
4828         }\r
4830         return newUnmatched;\r
4833 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {\r
4834         if ( postFilter && !postFilter[ expando ] ) {\r
4835                 postFilter = setMatcher( postFilter );\r
4836         }\r
4837         if ( postFinder && !postFinder[ expando ] ) {\r
4838                 postFinder = setMatcher( postFinder, postSelector );\r
4839         }\r
4840         return markFunction(function( seed, results, context, xml ) {\r
4841                 var temp, i, elem,\r
4842                         preMap = [],\r
4843                         postMap = [],\r
4844                         preexisting = results.length,\r
4846                         // Get initial elements from seed or context\r
4847                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),\r
4849                         // Prefilter to get matcher input, preserving a map for seed-results synchronization\r
4850                         matcherIn = preFilter && ( seed || !selector ) ?\r
4851                                 condense( elems, preMap, preFilter, context, xml ) :\r
4852                                 elems,\r
4854                         matcherOut = matcher ?\r
4855                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,\r
4856                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?\r
4858                                         // ...intermediate processing is necessary\r
4859                                         [] :\r
4861                                         // ...otherwise use results directly\r
4862                                         results :\r
4863                                 matcherIn;\r
4865                 // Find primary matches\r
4866                 if ( matcher ) {\r
4867                         matcher( matcherIn, matcherOut, context, xml );\r
4868                 }\r
4870                 // Apply postFilter\r
4871                 if ( postFilter ) {\r
4872                         temp = condense( matcherOut, postMap );\r
4873                         postFilter( temp, [], context, xml );\r
4875                         // Un-match failing elements by moving them back to matcherIn\r
4876                         i = temp.length;\r
4877                         while ( i-- ) {\r
4878                                 if ( (elem = temp[i]) ) {\r
4879                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);\r
4880                                 }\r
4881                         }\r
4882                 }\r
4884                 if ( seed ) {\r
4885                         if ( postFinder || preFilter ) {\r
4886                                 if ( postFinder ) {\r
4887                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts\r
4888                                         temp = [];\r
4889                                         i = matcherOut.length;\r
4890                                         while ( i-- ) {\r
4891                                                 if ( (elem = matcherOut[i]) ) {\r
4892                                                         // Restore matcherIn since elem is not yet a final match\r
4893                                                         temp.push( (matcherIn[i] = elem) );\r
4894                                                 }\r
4895                                         }\r
4896                                         postFinder( null, (matcherOut = []), temp, xml );\r
4897                                 }\r
4899                                 // Move matched elements from seed to results to keep them synchronized\r
4900                                 i = matcherOut.length;\r
4901                                 while ( i-- ) {\r
4902                                         if ( (elem = matcherOut[i]) &&\r
4903                                                 (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {\r
4905                                                 seed[temp] = !(results[temp] = elem);\r
4906                                         }\r
4907                                 }\r
4908                         }\r
4910                 // Add elements to results, through postFinder if defined\r
4911                 } else {\r
4912                         matcherOut = condense(\r
4913                                 matcherOut === results ?\r
4914                                         matcherOut.splice( preexisting, matcherOut.length ) :\r
4915                                         matcherOut\r
4916                         );\r
4917                         if ( postFinder ) {\r
4918                                 postFinder( null, results, matcherOut, xml );\r
4919                         } else {\r
4920                                 push.apply( results, matcherOut );\r
4921                         }\r
4922                 }\r
4923         });\r
4926 function matcherFromTokens( tokens ) {\r
4927         var checkContext, matcher, j,\r
4928                 len = tokens.length,\r
4929                 leadingRelative = Expr.relative[ tokens[0].type ],\r
4930                 implicitRelative = leadingRelative || Expr.relative[" "],\r
4931                 i = leadingRelative ? 1 : 0,\r
4933                 // The foundational matcher ensures that elements are reachable from top-level context(s)\r
4934                 matchContext = addCombinator( function( elem ) {\r
4935                         return elem === checkContext;\r
4936                 }, implicitRelative, true ),\r
4937                 matchAnyContext = addCombinator( function( elem ) {\r
4938                         return indexOf.call( checkContext, elem ) > -1;\r
4939                 }, implicitRelative, true ),\r
4940                 matchers = [ function( elem, context, xml ) {\r
4941                         return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (\r
4942                                 (checkContext = context).nodeType ?\r
4943                                         matchContext( elem, context, xml ) :\r
4944                                         matchAnyContext( elem, context, xml ) );\r
4945                 } ];\r
4947         for ( ; i < len; i++ ) {\r
4948                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {\r
4949                         matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];\r
4950                 } else {\r
4951                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );\r
4953                         // Return special upon seeing a positional matcher\r
4954                         if ( matcher[ expando ] ) {\r
4955                                 // Find the next relative operator (if any) for proper handling\r
4956                                 j = ++i;\r
4957                                 for ( ; j < len; j++ ) {\r
4958                                         if ( Expr.relative[ tokens[j].type ] ) {\r
4959                                                 break;\r
4960                                         }\r
4961                                 }\r
4962                                 return setMatcher(\r
4963                                         i > 1 && elementMatcher( matchers ),\r
4964                                         i > 1 && tokens.slice( 0, i - 1 ).join("").replace( rtrim, "$1" ),\r
4965                                         matcher,\r
4966                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),\r
4967                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),\r
4968                                         j < len && tokens.join("")\r
4969                                 );\r
4970                         }\r
4971                         matchers.push( matcher );\r
4972                 }\r
4973         }\r
4975         return elementMatcher( matchers );\r
4978 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {\r
4979         var bySet = setMatchers.length > 0,\r
4980                 byElement = elementMatchers.length > 0,\r
4981                 superMatcher = function( seed, context, xml, results, expandContext ) {\r
4982                         var elem, j, matcher,\r
4983                                 setMatched = [],\r
4984                                 matchedCount = 0,\r
4985                                 i = "0",\r
4986                                 unmatched = seed && [],\r
4987                                 outermost = expandContext != null,\r
4988                                 contextBackup = outermostContext,\r
4989                                 // We must always have either seed elements or context\r
4990                                 elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),\r
4991                                 // Nested matchers should use non-integer dirruns\r
4992                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.E);\r
4994                         if ( outermost ) {\r
4995                                 outermostContext = context !== document && context;\r
4996                                 cachedruns = superMatcher.el;\r
4997                         }\r
4999                         // Add elements passing elementMatchers directly to results\r
5000                         for ( ; (elem = elems[i]) != null; i++ ) {\r
5001                                 if ( byElement && elem ) {\r
5002                                         for ( j = 0; (matcher = elementMatchers[j]); j++ ) {\r
5003                                                 if ( matcher( elem, context, xml ) ) {\r
5004                                                         results.push( elem );\r
5005                                                         break;\r
5006                                                 }\r
5007                                         }\r
5008                                         if ( outermost ) {\r
5009                                                 dirruns = dirrunsUnique;\r
5010                                                 cachedruns = ++superMatcher.el;\r
5011                                         }\r
5012                                 }\r
5014                                 // Track unmatched elements for set filters\r
5015                                 if ( bySet ) {\r
5016                                         // They will have gone through all possible matchers\r
5017                                         if ( (elem = !matcher && elem) ) {\r
5018                                                 matchedCount--;\r
5019                                         }\r
5021                                         // Lengthen the array for every element, matched or not\r
5022                                         if ( seed ) {\r
5023                                                 unmatched.push( elem );\r
5024                                         }\r
5025                                 }\r
5026                         }\r
5028                         // Apply set filters to unmatched elements\r
5029                         matchedCount += i;\r
5030                         if ( bySet && i !== matchedCount ) {\r
5031                                 for ( j = 0; (matcher = setMatchers[j]); j++ ) {\r
5032                                         matcher( unmatched, setMatched, context, xml );\r
5033                                 }\r
5035                                 if ( seed ) {\r
5036                                         // Reintegrate element matches to eliminate the need for sorting\r
5037                                         if ( matchedCount > 0 ) {\r
5038                                                 while ( i-- ) {\r
5039                                                         if ( !(unmatched[i] || setMatched[i]) ) {\r
5040                                                                 setMatched[i] = pop.call( results );\r
5041                                                         }\r
5042                                                 }\r
5043                                         }\r
5045                                         // Discard index placeholder values to get only actual matches\r
5046                                         setMatched = condense( setMatched );\r
5047                                 }\r
5049                                 // Add matches to results\r
5050                                 push.apply( results, setMatched );\r
5052                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting\r
5053                                 if ( outermost && !seed && setMatched.length > 0 &&\r
5054                                         ( matchedCount + setMatchers.length ) > 1 ) {\r
5056                                         Sizzle.uniqueSort( results );\r
5057                                 }\r
5058                         }\r
5060                         // Override manipulation of globals by nested matchers\r
5061                         if ( outermost ) {\r
5062                                 dirruns = dirrunsUnique;\r
5063                                 outermostContext = contextBackup;\r
5064                         }\r
5066                         return unmatched;\r
5067                 };\r
5069         superMatcher.el = 0;\r
5070         return bySet ?\r
5071                 markFunction( superMatcher ) :\r
5072                 superMatcher;\r
5075 compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {\r
5076         var i,\r
5077                 setMatchers = [],\r
5078                 elementMatchers = [],\r
5079                 cached = compilerCache[ expando ][ selector + " " ];\r
5081         if ( !cached ) {\r
5082                 // Generate a function of recursive functions that can be used to check each element\r
5083                 if ( !group ) {\r
5084                         group = tokenize( selector );\r
5085                 }\r
5086                 i = group.length;\r
5087                 while ( i-- ) {\r
5088                         cached = matcherFromTokens( group[i] );\r
5089                         if ( cached[ expando ] ) {\r
5090                                 setMatchers.push( cached );\r
5091                         } else {\r
5092                                 elementMatchers.push( cached );\r
5093                         }\r
5094                 }\r
5096                 // Cache the compiled function\r
5097                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );\r
5098         }\r
5099         return cached;\r
5100 };\r
5102 function multipleContexts( selector, contexts, results ) {\r
5103         var i = 0,\r
5104                 len = contexts.length;\r
5105         for ( ; i < len; i++ ) {\r
5106                 Sizzle( selector, contexts[i], results );\r
5107         }\r
5108         return results;\r
5111 function select( selector, context, results, seed, xml ) {\r
5112         var i, tokens, token, type, find,\r
5113                 match = tokenize( selector ),\r
5114                 j = match.length;\r
5116         if ( !seed ) {\r
5117                 // Try to minimize operations if there is only one group\r
5118                 if ( match.length === 1 ) {\r
5120                         // Take a shortcut and set the context if the root selector is an ID\r
5121                         tokens = match[0] = match[0].slice( 0 );\r
5122                         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&\r
5123                                         context.nodeType === 9 && !xml &&\r
5124                                         Expr.relative[ tokens[1].type ] ) {\r
5126                                 context = Expr.find["ID"]( token.matches[0].replace( rbackslash, "" ), context, xml )[0];\r
5127                                 if ( !context ) {\r
5128                                         return results;\r
5129                                 }\r
5131                                 selector = selector.slice( tokens.shift().length );\r
5132                         }\r
5134                         // Fetch a seed set for right-to-left matching\r
5135                         for ( i = matchExpr["POS"].test( selector ) ? -1 : tokens.length - 1; i >= 0; i-- ) {\r
5136                                 token = tokens[i];\r
5138                                 // Abort if we hit a combinator\r
5139                                 if ( Expr.relative[ (type = token.type) ] ) {\r
5140                                         break;\r
5141                                 }\r
5142                                 if ( (find = Expr.find[ type ]) ) {\r
5143                                         // Search, expanding context for leading sibling combinators\r
5144                                         if ( (seed = find(\r
5145                                                 token.matches[0].replace( rbackslash, "" ),\r
5146                                                 rsibling.test( tokens[0].type ) && context.parentNode || context,\r
5147                                                 xml\r
5148                                         )) ) {\r
5150                                                 // If seed is empty or no tokens remain, we can return early\r
5151                                                 tokens.splice( i, 1 );\r
5152                                                 selector = seed.length && tokens.join("");\r
5153                                                 if ( !selector ) {\r
5154                                                         push.apply( results, slice.call( seed, 0 ) );\r
5155                                                         return results;\r
5156                                                 }\r
5158                                                 break;\r
5159                                         }\r
5160                                 }\r
5161                         }\r
5162                 }\r
5163         }\r
5165         // Compile and execute a filtering function\r
5166         // Provide `match` to avoid retokenization if we modified the selector above\r
5167         compile( selector, match )(\r
5168                 seed,\r
5169                 context,\r
5170                 xml,\r
5171                 results,\r
5172                 rsibling.test( selector )\r
5173         );\r
5174         return results;\r
5177 if ( document.querySelectorAll ) {\r
5178         (function() {\r
5179                 var disconnectedMatch,\r
5180                         oldSelect = select,\r
5181                         rescape = /'|\\/g,\r
5182                         rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,\r
5184                         // qSa(:focus) reports false when true (Chrome 21), no need to also add to buggyMatches since matches checks buggyQSA\r
5185                         // A support test would require too much code (would include document ready)\r
5186                         rbuggyQSA = [ ":focus" ],\r
5188                         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)\r
5189                         // A support test would require too much code (would include document ready)\r
5190                         // just skip matchesSelector for :active\r
5191                         rbuggyMatches = [ ":active" ],\r
5192                         matches = docElem.matchesSelector ||\r
5193                                 docElem.mozMatchesSelector ||\r
5194                                 docElem.webkitMatchesSelector ||\r
5195                                 docElem.oMatchesSelector ||\r
5196                                 docElem.msMatchesSelector;\r
5198                 // Build QSA regex\r
5199                 // Regex strategy adopted from Diego Perini\r
5200                 assert(function( div ) {\r
5201                         // Select is set to empty string on purpose\r
5202                         // This is to test IE's treatment of not explictly\r
5203                         // setting a boolean content attribute,\r
5204                         // since its presence should be enough\r
5205                         // http://bugs.jquery.com/ticket/12359\r
5206                         div.innerHTML = "<select><option selected=''></option></select>";\r
5208                         // IE8 - Some boolean attributes are not treated correctly\r
5209                         if ( !div.querySelectorAll("[selected]").length ) {\r
5210                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );\r
5211                         }\r
5213                         // Webkit/Opera - :checked should return selected option elements\r
5214                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\r
5215                         // IE8 throws error here (do not put tests after this one)\r
5216                         if ( !div.querySelectorAll(":checked").length ) {\r
5217                                 rbuggyQSA.push(":checked");\r
5218                         }\r
5219                 });\r
5221                 assert(function( div ) {\r
5223                         // Opera 10-12/IE9 - ^= $= *= and empty values\r
5224                         // Should not select anything\r
5225                         div.innerHTML = "<p test=''></p>";\r
5226                         if ( div.querySelectorAll("[test^='']").length ) {\r
5227                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );\r
5228                         }\r
5230                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)\r
5231                         // IE8 throws error here (do not put tests after this one)\r
5232                         div.innerHTML = "<input type='hidden'/>";\r
5233                         if ( !div.querySelectorAll(":enabled").length ) {\r
5234                                 rbuggyQSA.push(":enabled", ":disabled");\r
5235                         }\r
5236                 });\r
5238                 // rbuggyQSA always contains :focus, so no need for a length check\r
5239                 rbuggyQSA = /* rbuggyQSA.length && */ new RegExp( rbuggyQSA.join("|") );\r
5241                 select = function( selector, context, results, seed, xml ) {\r
5242                         // Only use querySelectorAll when not filtering,\r
5243                         // when this is not xml,\r
5244                         // and when no QSA bugs apply\r
5245                         if ( !seed && !xml && !rbuggyQSA.test( selector ) ) {\r
5246                                 var groups, i,\r
5247                                         old = true,\r
5248                                         nid = expando,\r
5249                                         newContext = context,\r
5250                                         newSelector = context.nodeType === 9 && selector;\r
5252                                 // qSA works strangely on Element-rooted queries\r
5253                                 // We can work around this by specifying an extra ID on the root\r
5254                                 // and working up from there (Thanks to Andrew Dupont for the technique)\r
5255                                 // IE 8 doesn't work on object elements\r
5256                                 if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {\r
5257                                         groups = tokenize( selector );\r
5259                                         if ( (old = context.getAttribute("id")) ) {\r
5260                                                 nid = old.replace( rescape, "\\$&" );\r
5261                                         } else {\r
5262                                                 context.setAttribute( "id", nid );\r
5263                                         }\r
5264                                         nid = "[id='" + nid + "'] ";\r
5266                                         i = groups.length;\r
5267                                         while ( i-- ) {\r
5268                                                 groups[i] = nid + groups[i].join("");\r
5269                                         }\r
5270                                         newContext = rsibling.test( selector ) && context.parentNode || context;\r
5271                                         newSelector = groups.join(",");\r
5272                                 }\r
5274                                 if ( newSelector ) {\r
5275                                         try {\r
5276                                                 push.apply( results, slice.call( newContext.querySelectorAll(\r
5277                                                         newSelector\r
5278                                                 ), 0 ) );\r
5279                                                 return results;\r
5280                                         } catch(qsaError) {\r
5281                                         } finally {\r
5282                                                 if ( !old ) {\r
5283                                                         context.removeAttribute("id");\r
5284                                                 }\r
5285                                         }\r
5286                                 }\r
5287                         }\r
5289                         return oldSelect( selector, context, results, seed, xml );\r
5290                 };\r
5292                 if ( matches ) {\r
5293                         assert(function( div ) {\r
5294                                 // Check to see if it's possible to do matchesSelector\r
5295                                 // on a disconnected node (IE 9)\r
5296                                 disconnectedMatch = matches.call( div, "div" );\r
5298                                 // This should fail with an exception\r
5299                                 // Gecko does not error, returns false instead\r
5300                                 try {\r
5301                                         matches.call( div, "[test!='']:sizzle" );\r
5302                                         rbuggyMatches.push( "!=", pseudos );\r
5303                                 } catch ( e ) {}\r
5304                         });\r
5306                         // rbuggyMatches always contains :active and :focus, so no need for a length check\r
5307                         rbuggyMatches = /* rbuggyMatches.length && */ new RegExp( rbuggyMatches.join("|") );\r
5309                         Sizzle.matchesSelector = function( elem, expr ) {\r
5310                                 // Make sure that attribute selectors are quoted\r
5311                                 expr = expr.replace( rattributeQuotes, "='$1']" );\r
5313                                 // rbuggyMatches always contains :active, so no need for an existence check\r
5314                                 if ( !isXML( elem ) && !rbuggyMatches.test( expr ) && !rbuggyQSA.test( expr ) ) {\r
5315                                         try {\r
5316                                                 var ret = matches.call( elem, expr );\r
5318                                                 // IE 9's matchesSelector returns false on disconnected nodes\r
5319                                                 if ( ret || disconnectedMatch ||\r
5320                                                                 // As well, disconnected nodes are said to be in a document\r
5321                                                                 // fragment in IE 9\r
5322                                                                 elem.document && elem.document.nodeType !== 11 ) {\r
5323                                                         return ret;\r
5324                                                 }\r
5325                                         } catch(e) {}\r
5326                                 }\r
5328                                 return Sizzle( expr, null, null, [ elem ] ).length > 0;\r
5329                         };\r
5330                 }\r
5331         })();\r
5334 // Deprecated\r
5335 Expr.pseudos["nth"] = Expr.pseudos["eq"];\r
5337 // Back-compat\r
5338 function setFilters() {}\r
5339 Expr.filters = setFilters.prototype = Expr.pseudos;\r
5340 Expr.setFilters = new setFilters();\r
5342 // Override sizzle attribute retrieval
5343 Sizzle.attr = jQuery.attr;
5344 jQuery.find = Sizzle;
5345 jQuery.expr = Sizzle.selectors;
5346 jQuery.expr[":"] = jQuery.expr.pseudos;
5347 jQuery.unique = Sizzle.uniqueSort;
5348 jQuery.text = Sizzle.getText;
5349 jQuery.isXMLDoc = Sizzle.isXML;
5350 jQuery.contains = Sizzle.contains;
5353 })( window );\r
5354 var runtil = /Until$/,
5355         rparentsprev = /^(?:parents|prev(?:Until|All))/,
5356         isSimple = /^.[^:#\[\.,]*$/,
5357         rneedsContext = jQuery.expr.match.needsContext,
5358         // methods guaranteed to produce a unique set when starting from a unique set
5359         guaranteedUnique = {
5360                 children: true,
5361                 contents: true,
5362                 next: true,
5363                 prev: true
5364         };
5366 jQuery.fn.extend({
5367         find: function( selector ) {
5368                 var i, l, length, n, r, ret,
5369                         self = this;
5371                 if ( typeof selector !== "string" ) {
5372                         return jQuery( selector ).filter(function() {
5373                                 for ( i = 0, l = self.length; i < l; i++ ) {
5374                                         if ( jQuery.contains( self[ i ], this ) ) {
5375                                                 return true;
5376                                         }
5377                                 }
5378                         });
5379                 }
5381                 ret = this.pushStack( "", "find", selector );
5383                 for ( i = 0, l = this.length; i < l; i++ ) {
5384                         length = ret.length;
5385                         jQuery.find( selector, this[i], ret );
5387                         if ( i > 0 ) {
5388                                 // Make sure that the results are unique
5389                                 for ( n = length; n < ret.length; n++ ) {
5390                                         for ( r = 0; r < length; r++ ) {
5391                                                 if ( ret[r] === ret[n] ) {
5392                                                         ret.splice(n--, 1);
5393                                                         break;
5394                                                 }
5395                                         }
5396                                 }
5397                         }
5398                 }
5400                 return ret;
5401         },
5403         has: function( target ) {
5404                 var i,
5405                         targets = jQuery( target, this ),
5406                         len = targets.length;
5408                 return this.filter(function() {
5409                         for ( i = 0; i < len; i++ ) {
5410                                 if ( jQuery.contains( this, targets[i] ) ) {
5411                                         return true;
5412                                 }
5413                         }
5414                 });
5415         },
5417         not: function( selector ) {
5418                 return this.pushStack( winnow(this, selector, false), "not", selector);
5419         },
5421         filter: function( selector ) {
5422                 return this.pushStack( winnow(this, selector, true), "filter", selector );
5423         },
5425         is: function( selector ) {
5426                 return !!selector && (
5427                         typeof selector === "string" ?
5428                                 // If this is a positional/relative selector, check membership in the returned set
5429                                 // so $("p:first").is("p:last") won't return true for a doc with two "p".
5430                                 rneedsContext.test( selector ) ?
5431                                         jQuery( selector, this.context ).index( this[0] ) >= 0 :
5432                                         jQuery.filter( selector, this ).length > 0 :
5433                                 this.filter( selector ).length > 0 );
5434         },
5436         closest: function( selectors, context ) {
5437                 var cur,
5438                         i = 0,
5439                         l = this.length,
5440                         ret = [],
5441                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
5442                                 jQuery( selectors, context || this.context ) :
5443                                 0;
5445                 for ( ; i < l; i++ ) {
5446                         cur = this[i];
5448                         while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
5449                                 if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
5450                                         ret.push( cur );
5451                                         break;
5452                                 }
5453                                 cur = cur.parentNode;
5454                         }
5455                 }
5457                 ret = ret.length > 1 ? jQuery.unique( ret ) : ret;
5459                 return this.pushStack( ret, "closest", selectors );
5460         },
5462         // Determine the position of an element within
5463         // the matched set of elements
5464         index: function( elem ) {
5466                 // No argument, return index in parent
5467                 if ( !elem ) {
5468                         return ( this[0] && this[0].parentNode ) ? this.prevAll().length : -1;
5469                 }
5471                 // index in selector
5472                 if ( typeof elem === "string" ) {
5473                         return jQuery.inArray( this[0], jQuery( elem ) );
5474                 }
5476                 // Locate the position of the desired element
5477                 return jQuery.inArray(
5478                         // If it receives a jQuery object, the first element is used
5479                         elem.jquery ? elem[0] : elem, this );
5480         },
5482         add: function( selector, context ) {
5483                 var set = typeof selector === "string" ?
5484                                 jQuery( selector, context ) :
5485                                 jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
5486                         all = jQuery.merge( this.get(), set );
5488                 return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ?
5489                         all :
5490                         jQuery.unique( all ) );
5491         },
5493         addBack: function( selector ) {
5494                 return this.add( selector == null ?
5495                         this.prevObject : this.prevObject.filter(selector)
5496                 );
5497         }
5500 jQuery.fn.andSelf = jQuery.fn.addBack;
5502 // A painfully simple check to see if an element is disconnected
5503 // from a document (should be improved, where feasible).
5504 function isDisconnected( node ) {
5505         return !node || !node.parentNode || node.parentNode.nodeType === 11;
5508 function sibling( cur, dir ) {
5509         do {
5510                 cur = cur[ dir ];
5511         } while ( cur && cur.nodeType !== 1 );
5513         return cur;
5516 jQuery.each({
5517         parent: function( elem ) {
5518                 var parent = elem.parentNode;
5519                 return parent && parent.nodeType !== 11 ? parent : null;
5520         },
5521         parents: function( elem ) {
5522                 return jQuery.dir( elem, "parentNode" );
5523         },
5524         parentsUntil: function( elem, i, until ) {
5525                 return jQuery.dir( elem, "parentNode", until );
5526         },
5527         next: function( elem ) {
5528                 return sibling( elem, "nextSibling" );
5529         },
5530         prev: function( elem ) {
5531                 return sibling( elem, "previousSibling" );
5532         },
5533         nextAll: function( elem ) {
5534                 return jQuery.dir( elem, "nextSibling" );
5535         },
5536         prevAll: function( elem ) {
5537                 return jQuery.dir( elem, "previousSibling" );
5538         },
5539         nextUntil: function( elem, i, until ) {
5540                 return jQuery.dir( elem, "nextSibling", until );
5541         },
5542         prevUntil: function( elem, i, until ) {
5543                 return jQuery.dir( elem, "previousSibling", until );
5544         },
5545         siblings: function( elem ) {
5546                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
5547         },
5548         children: function( elem ) {
5549                 return jQuery.sibling( elem.firstChild );
5550         },
5551         contents: function( elem ) {
5552                 return jQuery.nodeName( elem, "iframe" ) ?
5553                         elem.contentDocument || elem.contentWindow.document :
5554                         jQuery.merge( [], elem.childNodes );
5555         }
5556 }, function( name, fn ) {
5557         jQuery.fn[ name ] = function( until, selector ) {
5558                 var ret = jQuery.map( this, fn, until );
5560                 if ( !runtil.test( name ) ) {
5561                         selector = until;
5562                 }
5564                 if ( selector && typeof selector === "string" ) {
5565                         ret = jQuery.filter( selector, ret );
5566                 }
5568                 ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
5570                 if ( this.length > 1 && rparentsprev.test( name ) ) {
5571                         ret = ret.reverse();
5572                 }
5574                 return this.pushStack( ret, name, core_slice.call( arguments ).join(",") );
5575         };
5578 jQuery.extend({
5579         filter: function( expr, elems, not ) {
5580                 if ( not ) {
5581                         expr = ":not(" + expr + ")";
5582                 }
5584                 return elems.length === 1 ?
5585                         jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
5586                         jQuery.find.matches(expr, elems);
5587         },
5589         dir: function( elem, dir, until ) {
5590                 var matched = [],
5591                         cur = elem[ dir ];
5593                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
5594                         if ( cur.nodeType === 1 ) {
5595                                 matched.push( cur );
5596                         }
5597                         cur = cur[dir];
5598                 }
5599                 return matched;
5600         },
5602         sibling: function( n, elem ) {
5603                 var r = [];
5605                 for ( ; n; n = n.nextSibling ) {
5606                         if ( n.nodeType === 1 && n !== elem ) {
5607                                 r.push( n );
5608                         }
5609                 }
5611                 return r;
5612         }
5615 // Implement the identical functionality for filter and not
5616 function winnow( elements, qualifier, keep ) {
5618         // Can't pass null or undefined to indexOf in Firefox 4
5619         // Set to 0 to skip string check
5620         qualifier = qualifier || 0;
5622         if ( jQuery.isFunction( qualifier ) ) {
5623                 return jQuery.grep(elements, function( elem, i ) {
5624                         var retVal = !!qualifier.call( elem, i, elem );
5625                         return retVal === keep;
5626                 });
5628         } else if ( qualifier.nodeType ) {
5629                 return jQuery.grep(elements, function( elem, i ) {
5630                         return ( elem === qualifier ) === keep;
5631                 });
5633         } else if ( typeof qualifier === "string" ) {
5634                 var filtered = jQuery.grep(elements, function( elem ) {
5635                         return elem.nodeType === 1;
5636                 });
5638                 if ( isSimple.test( qualifier ) ) {
5639                         return jQuery.filter(qualifier, filtered, !keep);
5640                 } else {
5641                         qualifier = jQuery.filter( qualifier, filtered );
5642                 }
5643         }
5645         return jQuery.grep(elements, function( elem, i ) {
5646                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
5647         });
5649 function createSafeFragment( document ) {
5650         var list = nodeNames.split( "|" ),
5651         safeFrag = document.createDocumentFragment();
5653         if ( safeFrag.createElement ) {
5654                 while ( list.length ) {
5655                         safeFrag.createElement(
5656                                 list.pop()
5657                         );
5658                 }
5659         }
5660         return safeFrag;
5663 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5664                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5665         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5666         rleadingWhitespace = /^\s+/,
5667         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
5668         rtagName = /<([\w:]+)/,
5669         rtbody = /<tbody/i,
5670         rhtml = /<|&#?\w+;/,
5671         rnoInnerhtml = /<(?:script|style|link)/i,
5672         rnocache = /<(?:script|object|embed|option|style)/i,
5673         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5674         rcheckableType = /^(?:checkbox|radio)$/,
5675         // checked="checked" or checked
5676         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5677         rscriptType = /\/(java|ecma)script/i,
5678         rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)|[\]\-]{2}>\s*$/g,
5679         wrapMap = {
5680                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
5681                 legend: [ 1, "<fieldset>", "</fieldset>" ],
5682                 thead: [ 1, "<table>", "</table>" ],
5683                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
5684                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
5685                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
5686                 area: [ 1, "<map>", "</map>" ],
5687                 _default: [ 0, "", "" ]
5688         },
5689         safeFragment = createSafeFragment( document ),
5690         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
5692 wrapMap.optgroup = wrapMap.option;
5693 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
5694 wrapMap.th = wrapMap.td;
5696 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
5697 // unless wrapped in a div with non-breaking characters in front of it.
5698 if ( !jQuery.support.htmlSerialize ) {
5699         wrapMap._default = [ 1, "X<div>", "</div>" ];
5702 jQuery.fn.extend({
5703         text: function( value ) {
5704                 return jQuery.access( this, function( value ) {
5705                         return value === undefined ?
5706                                 jQuery.text( this ) :
5707                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
5708                 }, null, value, arguments.length );
5709         },
5711         wrapAll: function( html ) {
5712                 if ( jQuery.isFunction( html ) ) {
5713                         return this.each(function(i) {
5714                                 jQuery(this).wrapAll( html.call(this, i) );
5715                         });
5716                 }
5718                 if ( this[0] ) {
5719                         // The elements to wrap the target around
5720                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
5722                         if ( this[0].parentNode ) {
5723                                 wrap.insertBefore( this[0] );
5724                         }
5726                         wrap.map(function() {
5727                                 var elem = this;
5729                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
5730                                         elem = elem.firstChild;
5731                                 }
5733                                 return elem;
5734                         }).append( this );
5735                 }
5737                 return this;
5738         },
5740         wrapInner: function( html ) {
5741                 if ( jQuery.isFunction( html ) ) {
5742                         return this.each(function(i) {
5743                                 jQuery(this).wrapInner( html.call(this, i) );
5744                         });
5745                 }
5747                 return this.each(function() {
5748                         var self = jQuery( this ),
5749                                 contents = self.contents();
5751                         if ( contents.length ) {
5752                                 contents.wrapAll( html );
5754                         } else {
5755                                 self.append( html );
5756                         }
5757                 });
5758         },
5760         wrap: function( html ) {
5761                 var isFunction = jQuery.isFunction( html );
5763                 return this.each(function(i) {
5764                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
5765                 });
5766         },
5768         unwrap: function() {
5769                 return this.parent().each(function() {
5770                         if ( !jQuery.nodeName( this, "body" ) ) {
5771                                 jQuery( this ).replaceWith( this.childNodes );
5772                         }
5773                 }).end();
5774         },
5776         append: function() {
5777                 return this.domManip(arguments, true, function( elem ) {
5778                         if ( this.nodeType === 1 || this.nodeType === 11 ) {
5779                                 this.appendChild( elem );
5780                         }
5781                 });
5782         },
5784         prepend: function() {
5785                 return this.domManip(arguments, true, function( elem ) {
5786                         if ( this.nodeType === 1 || this.nodeType === 11 ) {
5787                                 this.insertBefore( elem, this.firstChild );
5788                         }
5789                 });
5790         },
5792         before: function() {
5793                 if ( !isDisconnected( this[0] ) ) {
5794                         return this.domManip(arguments, false, function( elem ) {
5795                                 this.parentNode.insertBefore( elem, this );
5796                         });
5797                 }
5799                 if ( arguments.length ) {
5800                         var set = jQuery.clean( arguments );
5801                         return this.pushStack( jQuery.merge( set, this ), "before", this.selector );
5802                 }
5803         },
5805         after: function() {
5806                 if ( !isDisconnected( this[0] ) ) {
5807                         return this.domManip(arguments, false, function( elem ) {
5808                                 this.parentNode.insertBefore( elem, this.nextSibling );
5809                         });
5810                 }
5812                 if ( arguments.length ) {
5813                         var set = jQuery.clean( arguments );
5814                         return this.pushStack( jQuery.merge( this, set ), "after", this.selector );
5815                 }
5816         },
5818         // keepData is for internal use only--do not document
5819         remove: function( selector, keepData ) {
5820                 var elem,
5821                         i = 0;
5823                 for ( ; (elem = this[i]) != null; i++ ) {
5824                         if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
5825                                 if ( !keepData && elem.nodeType === 1 ) {
5826                                         jQuery.cleanData( elem.getElementsByTagName("*") );
5827                                         jQuery.cleanData( [ elem ] );
5828                                 }
5830                                 if ( elem.parentNode ) {
5831                                         elem.parentNode.removeChild( elem );
5832                                 }
5833                         }
5834                 }
5836                 return this;
5837         },
5839         empty: function() {
5840                 var elem,
5841                         i = 0;
5843                 for ( ; (elem = this[i]) != null; i++ ) {
5844                         // Remove element nodes and prevent memory leaks
5845                         if ( elem.nodeType === 1 ) {
5846                                 jQuery.cleanData( elem.getElementsByTagName("*") );
5847                         }
5849                         // Remove any remaining nodes
5850                         while ( elem.firstChild ) {
5851                                 elem.removeChild( elem.firstChild );
5852                         }
5853                 }
5855                 return this;
5856         },
5858         clone: function( dataAndEvents, deepDataAndEvents ) {
5859                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5860                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5862                 return this.map( function () {
5863                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5864                 });
5865         },
5867         html: function( value ) {
5868                 return jQuery.access( this, function( value ) {
5869                         var elem = this[0] || {},
5870                                 i = 0,
5871                                 l = this.length;
5873                         if ( value === undefined ) {
5874                                 return elem.nodeType === 1 ?
5875                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
5876                                         undefined;
5877                         }
5879                         // See if we can take a shortcut and just use innerHTML
5880                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5881                                 ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
5882                                 ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
5883                                 !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
5885                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
5887                                 try {
5888                                         for (; i < l; i++ ) {
5889                                                 // Remove element nodes and prevent memory leaks
5890                                                 elem = this[i] || {};
5891                                                 if ( elem.nodeType === 1 ) {
5892                                                         jQuery.cleanData( elem.getElementsByTagName( "*" ) );
5893                                                         elem.innerHTML = value;
5894                                                 }
5895                                         }
5897                                         elem = 0;
5899                                 // If using innerHTML throws an exception, use the fallback method
5900                                 } catch(e) {}
5901                         }
5903                         if ( elem ) {
5904                                 this.empty().append( value );
5905                         }
5906                 }, null, value, arguments.length );
5907         },
5909         replaceWith: function( value ) {
5910                 if ( !isDisconnected( this[0] ) ) {
5911                         // Make sure that the elements are removed from the DOM before they are inserted
5912                         // this can help fix replacing a parent with child elements
5913                         if ( jQuery.isFunction( value ) ) {
5914                                 return this.each(function(i) {
5915                                         var self = jQuery(this), old = self.html();
5916                                         self.replaceWith( value.call( this, i, old ) );
5917                                 });
5918                         }
5920                         if ( typeof value !== "string" ) {
5921                                 value = jQuery( value ).detach();
5922                         }
5924                         return this.each(function() {
5925                                 var next = this.nextSibling,
5926                                         parent = this.parentNode;
5928                                 jQuery( this ).remove();
5930                                 if ( next ) {
5931                                         jQuery(next).before( value );
5932                                 } else {
5933                                         jQuery(parent).append( value );
5934                                 }
5935                         });
5936                 }
5938                 return this.length ?
5939                         this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) :
5940                         this;
5941         },
5943         detach: function( selector ) {
5944                 return this.remove( selector, true );
5945         },
5947         domManip: function( args, table, callback ) {
5949                 // Flatten any nested arrays
5950                 args = [].concat.apply( [], args );
5952                 var results, first, fragment, iNoClone,
5953                         i = 0,
5954                         value = args[0],
5955                         scripts = [],
5956                         l = this.length;
5958                 // We can't cloneNode fragments that contain checked, in WebKit
5959                 if ( !jQuery.support.checkClone && l > 1 && typeof value === "string" && rchecked.test( value ) ) {
5960                         return this.each(function() {
5961                                 jQuery(this).domManip( args, table, callback );
5962                         });
5963                 }
5965                 if ( jQuery.isFunction(value) ) {
5966                         return this.each(function(i) {
5967                                 var self = jQuery(this);
5968                                 args[0] = value.call( this, i, table ? self.html() : undefined );
5969                                 self.domManip( args, table, callback );
5970                         });
5971                 }
5973                 if ( this[0] ) {
5974                         results = jQuery.buildFragment( args, this, scripts );
5975                         fragment = results.fragment;
5976                         first = fragment.firstChild;
5978                         if ( fragment.childNodes.length === 1 ) {
5979                                 fragment = first;
5980                         }
5982                         if ( first ) {
5983                                 table = table && jQuery.nodeName( first, "tr" );
5985                                 // Use the original fragment for the last item instead of the first because it can end up
5986                                 // being emptied incorrectly in certain situations (#8070).
5987                                 // Fragments from the fragment cache must always be cloned and never used in place.
5988                                 for ( iNoClone = results.cacheable || l - 1; i < l; i++ ) {
5989                                         callback.call(
5990                                                 table && jQuery.nodeName( this[i], "table" ) ?
5991                                                         findOrAppend( this[i], "tbody" ) :
5992                                                         this[i],
5993                                                 i === iNoClone ?
5994                                                         fragment :
5995                                                         jQuery.clone( fragment, true, true )
5996                                         );
5997                                 }
5998                         }
6000                         // Fix #11809: Avoid leaking memory
6001                         fragment = first = null;
6003                         if ( scripts.length ) {
6004                                 jQuery.each( scripts, function( i, elem ) {
6005                                         if ( elem.src ) {
6006                                                 if ( jQuery.ajax ) {
6007                                                         jQuery.ajax({
6008                                                                 url: elem.src,
6009                                                                 type: "GET",
6010                                                                 dataType: "script",
6011                                                                 async: false,
6012                                                                 global: false,
6013                                                                 "throws": true
6014                                                         });
6015                                                 } else {
6016                                                         jQuery.error("no ajax");
6017                                                 }
6018                                         } else {
6019                                                 jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "" ) );
6020                                         }
6022                                         if ( elem.parentNode ) {
6023                                                 elem.parentNode.removeChild( elem );
6024                                         }
6025                                 });
6026                         }
6027                 }
6029                 return this;
6030         }
6033 function findOrAppend( elem, tag ) {
6034         return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
6037 function cloneCopyEvent( src, dest ) {
6039         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
6040                 return;
6041         }
6043         var type, i, l,
6044                 oldData = jQuery._data( src ),
6045                 curData = jQuery._data( dest, oldData ),
6046                 events = oldData.events;
6048         if ( events ) {
6049                 delete curData.handle;
6050                 curData.events = {};
6052                 for ( type in events ) {
6053                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6054                                 jQuery.event.add( dest, type, events[ type ][ i ] );
6055                         }
6056                 }
6057         }
6059         // make the cloned public data object a copy from the original
6060         if ( curData.data ) {
6061                 curData.data = jQuery.extend( {}, curData.data );
6062         }
6065 function cloneFixAttributes( src, dest ) {
6066         var nodeName;
6068         // We do not need to do anything for non-Elements
6069         if ( dest.nodeType !== 1 ) {
6070                 return;
6071         }
6073         // clearAttributes removes the attributes, which we don't want,
6074         // but also removes the attachEvent events, which we *do* want
6075         if ( dest.clearAttributes ) {
6076                 dest.clearAttributes();
6077         }
6079         // mergeAttributes, in contrast, only merges back on the
6080         // original attributes, not the events
6081         if ( dest.mergeAttributes ) {
6082                 dest.mergeAttributes( src );
6083         }
6085         nodeName = dest.nodeName.toLowerCase();
6087         if ( nodeName === "object" ) {
6088                 // IE6-10 improperly clones children of object elements using classid.
6089                 // IE10 throws NoModificationAllowedError if parent is null, #12132.
6090                 if ( dest.parentNode ) {
6091                         dest.outerHTML = src.outerHTML;
6092                 }
6094                 // This path appears unavoidable for IE9. When cloning an object
6095                 // element in IE9, the outerHTML strategy above is not sufficient.
6096                 // If the src has innerHTML and the destination does not,
6097                 // copy the src.innerHTML into the dest.innerHTML. #10324
6098                 if ( jQuery.support.html5Clone && (src.innerHTML && !jQuery.trim(dest.innerHTML)) ) {
6099                         dest.innerHTML = src.innerHTML;
6100                 }
6102         } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6103                 // IE6-8 fails to persist the checked state of a cloned checkbox
6104                 // or radio button. Worse, IE6-7 fail to give the cloned element
6105                 // a checked appearance if the defaultChecked value isn't also set
6107                 dest.defaultChecked = dest.checked = src.checked;
6109                 // IE6-7 get confused and end up setting the value of a cloned
6110                 // checkbox/radio button to an empty string instead of "on"
6111                 if ( dest.value !== src.value ) {
6112                         dest.value = src.value;
6113                 }
6115         // IE6-8 fails to return the selected option to the default selected
6116         // state when cloning options
6117         } else if ( nodeName === "option" ) {
6118                 dest.selected = src.defaultSelected;
6120         // IE6-8 fails to set the defaultValue to the correct value when
6121         // cloning other types of input fields
6122         } else if ( nodeName === "input" || nodeName === "textarea" ) {
6123                 dest.defaultValue = src.defaultValue;
6125         // IE blanks contents when cloning scripts
6126         } else if ( nodeName === "script" && dest.text !== src.text ) {
6127                 dest.text = src.text;
6128         }
6130         // Event data gets referenced instead of copied if the expando
6131         // gets copied too
6132         dest.removeAttribute( jQuery.expando );
6135 jQuery.buildFragment = function( args, context, scripts ) {
6136         var fragment, cacheable, cachehit,
6137                 first = args[ 0 ];
6139         // Set context from what may come in as undefined or a jQuery collection or a node
6140         // Updated to fix #12266 where accessing context[0] could throw an exception in IE9/10 &
6141         // also doubles as fix for #8950 where plain objects caused createDocumentFragment exception
6142         context = context || document;
6143         context = !context.nodeType && context[0] || context;
6144         context = context.ownerDocument || context;
6146         // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
6147         // Cloning options loses the selected state, so don't cache them
6148         // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
6149         // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
6150         // Lastly, IE6,7,8 will not correctly reuse cached fragments that were created from unknown elems #10501
6151         if ( args.length === 1 && typeof first === "string" && first.length < 512 && context === document &&
6152                 first.charAt(0) === "<" && !rnocache.test( first ) &&
6153                 (jQuery.support.checkClone || !rchecked.test( first )) &&
6154                 (jQuery.support.html5Clone || !rnoshimcache.test( first )) ) {
6156                 // Mark cacheable and look for a hit
6157                 cacheable = true;
6158                 fragment = jQuery.fragments[ first ];
6159                 cachehit = fragment !== undefined;
6160         }
6162         if ( !fragment ) {
6163                 fragment = context.createDocumentFragment();
6164                 jQuery.clean( args, context, fragment, scripts );
6166                 // Update the cache, but only store false
6167                 // unless this is a second parsing of the same content
6168                 if ( cacheable ) {
6169                         jQuery.fragments[ first ] = cachehit && fragment;
6170                 }
6171         }
6173         return { fragment: fragment, cacheable: cacheable };
6176 jQuery.fragments = {};
6178 jQuery.each({
6179         appendTo: "append",
6180         prependTo: "prepend",
6181         insertBefore: "before",
6182         insertAfter: "after",
6183         replaceAll: "replaceWith"
6184 }, function( name, original ) {
6185         jQuery.fn[ name ] = function( selector ) {
6186                 var elems,
6187                         i = 0,
6188                         ret = [],
6189                         insert = jQuery( selector ),
6190                         l = insert.length,
6191                         parent = this.length === 1 && this[0].parentNode;
6193                 if ( (parent == null || parent && parent.nodeType === 11 && parent.childNodes.length === 1) && l === 1 ) {
6194                         insert[ original ]( this[0] );
6195                         return this;
6196                 } else {
6197                         for ( ; i < l; i++ ) {
6198                                 elems = ( i > 0 ? this.clone(true) : this ).get();
6199                                 jQuery( insert[i] )[ original ]( elems );
6200                                 ret = ret.concat( elems );
6201                         }
6203                         return this.pushStack( ret, name, insert.selector );
6204                 }
6205         };
6208 function getAll( elem ) {
6209         if ( typeof elem.getElementsByTagName !== "undefined" ) {
6210                 return elem.getElementsByTagName( "*" );
6212         } else if ( typeof elem.querySelectorAll !== "undefined" ) {
6213                 return elem.querySelectorAll( "*" );
6215         } else {
6216                 return [];
6217         }
6220 // Used in clean, fixes the defaultChecked property
6221 function fixDefaultChecked( elem ) {
6222         if ( rcheckableType.test( elem.type ) ) {
6223                 elem.defaultChecked = elem.checked;
6224         }
6227 jQuery.extend({
6228         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6229                 var srcElements,
6230                         destElements,
6231                         i,
6232                         clone;
6234                 if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
6235                         clone = elem.cloneNode( true );
6237                 // IE<=8 does not properly clone detached, unknown element nodes
6238                 } else {
6239                         fragmentDiv.innerHTML = elem.outerHTML;
6240                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
6241                 }
6243                 if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
6244                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
6245                         // IE copies events bound via attachEvent when using cloneNode.
6246                         // Calling detachEvent on the clone will also remove the events
6247                         // from the original. In order to get around this, we use some
6248                         // proprietary methods to clear the events. Thanks to MooTools
6249                         // guys for this hotness.
6251                         cloneFixAttributes( elem, clone );
6253                         // Using Sizzle here is crazy slow, so we use getElementsByTagName instead
6254                         srcElements = getAll( elem );
6255                         destElements = getAll( clone );
6257                         // Weird iteration because IE will replace the length property
6258                         // with an element if you are cloning the body and one of the
6259                         // elements on the page has a name or id of "length"
6260                         for ( i = 0; srcElements[i]; ++i ) {
6261                                 // Ensure that the destination node is not null; Fixes #9587
6262                                 if ( destElements[i] ) {
6263                                         cloneFixAttributes( srcElements[i], destElements[i] );
6264                                 }
6265                         }
6266                 }
6268                 // Copy the events from the original to the clone
6269                 if ( dataAndEvents ) {
6270                         cloneCopyEvent( elem, clone );
6272                         if ( deepDataAndEvents ) {
6273                                 srcElements = getAll( elem );
6274                                 destElements = getAll( clone );
6276                                 for ( i = 0; srcElements[i]; ++i ) {
6277                                         cloneCopyEvent( srcElements[i], destElements[i] );
6278                                 }
6279                         }
6280                 }
6282                 srcElements = destElements = null;
6284                 // Return the cloned set
6285                 return clone;
6286         },
6288         clean: function( elems, context, fragment, scripts ) {
6289                 var i, j, elem, tag, wrap, depth, div, hasBody, tbody, len, handleScript, jsTags,
6290                         safe = context === document && safeFragment,
6291                         ret = [];
6293                 // Ensure that context is a document
6294                 if ( !context || typeof context.createDocumentFragment === "undefined" ) {
6295                         context = document;
6296                 }
6298                 // Use the already-created safe fragment if context permits
6299                 for ( i = 0; (elem = elems[i]) != null; i++ ) {
6300                         if ( typeof elem === "number" ) {
6301                                 elem += "";
6302                         }
6304                         if ( !elem ) {
6305                                 continue;
6306                         }
6308                         // Convert html string into DOM nodes
6309                         if ( typeof elem === "string" ) {
6310                                 if ( !rhtml.test( elem ) ) {
6311                                         elem = context.createTextNode( elem );
6312                                 } else {
6313                                         // Ensure a safe container in which to render the html
6314                                         safe = safe || createSafeFragment( context );
6315                                         div = context.createElement("div");
6316                                         safe.appendChild( div );
6318                                         // Fix "XHTML"-style tags in all browsers
6319                                         elem = elem.replace(rxhtmlTag, "<$1></$2>");
6321                                         // Go to html and back, then peel off extra wrappers
6322                                         tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
6323                                         wrap = wrapMap[ tag ] || wrapMap._default;
6324                                         depth = wrap[0];
6325                                         div.innerHTML = wrap[1] + elem + wrap[2];
6327                                         // Move to the right depth
6328                                         while ( depth-- ) {
6329                                                 div = div.lastChild;
6330                                         }
6332                                         // Remove IE's autoinserted <tbody> from table fragments
6333                                         if ( !jQuery.support.tbody ) {
6335                                                 // String was a <table>, *may* have spurious <tbody>
6336                                                 hasBody = rtbody.test(elem);
6337                                                         tbody = tag === "table" && !hasBody ?
6338                                                                 div.firstChild && div.firstChild.childNodes :
6340                                                                 // String was a bare <thead> or <tfoot>
6341                                                                 wrap[1] === "<table>" && !hasBody ?
6342                                                                         div.childNodes :
6343                                                                         [];
6345                                                 for ( j = tbody.length - 1; j >= 0 ; --j ) {
6346                                                         if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
6347                                                                 tbody[ j ].parentNode.removeChild( tbody[ j ] );
6348                                                         }
6349                                                 }
6350                                         }
6352                                         // IE completely kills leading whitespace when innerHTML is used
6353                                         if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
6354                                                 div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
6355                                         }
6357                                         elem = div.childNodes;
6359                                         // Take out of fragment container (we need a fresh div each time)
6360                                         div.parentNode.removeChild( div );
6361                                 }
6362                         }
6364                         if ( elem.nodeType ) {
6365                                 ret.push( elem );
6366                         } else {
6367                                 jQuery.merge( ret, elem );
6368                         }
6369                 }
6371                 // Fix #11356: Clear elements from safeFragment
6372                 if ( div ) {
6373                         elem = div = safe = null;
6374                 }
6376                 // Reset defaultChecked for any radios and checkboxes
6377                 // about to be appended to the DOM in IE 6/7 (#8060)
6378                 if ( !jQuery.support.appendChecked ) {
6379                         for ( i = 0; (elem = ret[i]) != null; i++ ) {
6380                                 if ( jQuery.nodeName( elem, "input" ) ) {
6381                                         fixDefaultChecked( elem );
6382                                 } else if ( typeof elem.getElementsByTagName !== "undefined" ) {
6383                                         jQuery.grep( elem.getElementsByTagName("input"), fixDefaultChecked );
6384                                 }
6385                         }
6386                 }
6388                 // Append elements to a provided document fragment
6389                 if ( fragment ) {
6390                         // Special handling of each script element
6391                         handleScript = function( elem ) {
6392                                 // Check if we consider it executable
6393                                 if ( !elem.type || rscriptType.test( elem.type ) ) {
6394                                         // Detach the script and store it in the scripts array (if provided) or the fragment
6395                                         // Return truthy to indicate that it has been handled
6396                                         return scripts ?
6397                                                 scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
6398                                                 fragment.appendChild( elem );
6399                                 }
6400                         };
6402                         for ( i = 0; (elem = ret[i]) != null; i++ ) {
6403                                 // Check if we're done after handling an executable script
6404                                 if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
6405                                         // Append to fragment and handle embedded scripts
6406                                         fragment.appendChild( elem );
6407                                         if ( typeof elem.getElementsByTagName !== "undefined" ) {
6408                                                 // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
6409                                                 jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
6411                                                 // Splice the scripts into ret after their former ancestor and advance our index beyond them
6412                                                 ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
6413                                                 i += jsTags.length;
6414                                         }
6415                                 }
6416                         }
6417                 }
6419                 return ret;
6420         },
6422         cleanData: function( elems, /* internal */ acceptData ) {
6423                 var data, id, elem, type,
6424                         i = 0,
6425                         internalKey = jQuery.expando,
6426                         cache = jQuery.cache,
6427                         deleteExpando = jQuery.support.deleteExpando,
6428                         special = jQuery.event.special;
6430                 for ( ; (elem = elems[i]) != null; i++ ) {
6432                         if ( acceptData || jQuery.acceptData( elem ) ) {
6434                                 id = elem[ internalKey ];
6435                                 data = id && cache[ id ];
6437                                 if ( data ) {
6438                                         if ( data.events ) {
6439                                                 for ( type in data.events ) {
6440                                                         if ( special[ type ] ) {
6441                                                                 jQuery.event.remove( elem, type );
6443                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
6444                                                         } else {
6445                                                                 jQuery.removeEvent( elem, type, data.handle );
6446                                                         }
6447                                                 }
6448                                         }
6450                                         // Remove cache only if it was not already removed by jQuery.event.remove
6451                                         if ( cache[ id ] ) {
6453                                                 delete cache[ id ];
6455                                                 // IE does not allow us to delete expando properties from nodes,
6456                                                 // nor does it have a removeAttribute function on Document nodes;
6457                                                 // we must handle all of these cases
6458                                                 if ( deleteExpando ) {
6459                                                         delete elem[ internalKey ];
6461                                                 } else if ( elem.removeAttribute ) {
6462                                                         elem.removeAttribute( internalKey );
6464                                                 } else {
6465                                                         elem[ internalKey ] = null;
6466                                                 }
6468                                                 jQuery.deletedIds.push( id );
6469                                         }
6470                                 }
6471                         }
6472                 }
6473         }
6475 // Limit scope pollution from any deprecated API
6476 (function() {
6478 var matched, browser;
6480 // Use of jQuery.browser is frowned upon.
6481 // More details: http://api.jquery.com/jQuery.browser
6482 // jQuery.uaMatch maintained for back-compat
6483 jQuery.uaMatch = function( ua ) {
6484         ua = ua.toLowerCase();
6486         var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
6487                 /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
6488                 /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
6489                 /(msie) ([\w.]+)/.exec( ua ) ||
6490                 ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
6491                 [];
6493         return {
6494                 browser: match[ 1 ] || "",
6495                 version: match[ 2 ] || "0"
6496         };
6499 matched = jQuery.uaMatch( navigator.userAgent );
6500 browser = {};
6502 if ( matched.browser ) {
6503         browser[ matched.browser ] = true;
6504         browser.version = matched.version;
6507 // Chrome is Webkit, but Webkit is also Safari.
6508 if ( browser.chrome ) {
6509         browser.webkit = true;
6510 } else if ( browser.webkit ) {
6511         browser.safari = true;
6514 jQuery.browser = browser;
6516 jQuery.sub = function() {
6517         function jQuerySub( selector, context ) {
6518                 return new jQuerySub.fn.init( selector, context );
6519         }
6520         jQuery.extend( true, jQuerySub, this );
6521         jQuerySub.superclass = this;
6522         jQuerySub.fn = jQuerySub.prototype = this();
6523         jQuerySub.fn.constructor = jQuerySub;
6524         jQuerySub.sub = this.sub;
6525         jQuerySub.fn.init = function init( selector, context ) {
6526                 if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
6527                         context = jQuerySub( context );
6528                 }
6530                 return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
6531         };
6532         jQuerySub.fn.init.prototype = jQuerySub.fn;
6533         var rootjQuerySub = jQuerySub(document);
6534         return jQuerySub;
6537 })();
6538 var curCSS, iframe, iframeDoc,
6539         ralpha = /alpha\([^)]*\)/i,
6540         ropacity = /opacity=([^)]*)/,
6541         rposition = /^(top|right|bottom|left)$/,
6542         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6543         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6544         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6545         rmargin = /^margin/,
6546         rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
6547         rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
6548         rrelNum = new RegExp( "^([-+])=(" + core_pnum + ")", "i" ),
6549         elemdisplay = { BODY: "block" },
6551         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6552         cssNormalTransform = {
6553                 letterSpacing: 0,
6554                 fontWeight: 400
6555         },
6557         cssExpand = [ "Top", "Right", "Bottom", "Left" ],
6558         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
6560         eventsToggle = jQuery.fn.toggle;
6562 // return a css property mapped to a potentially vendor prefixed property
6563 function vendorPropName( style, name ) {
6565         // shortcut for names that are not vendor prefixed
6566         if ( name in style ) {
6567                 return name;
6568         }
6570         // check for vendor prefixed names
6571         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6572                 origName = name,
6573                 i = cssPrefixes.length;
6575         while ( i-- ) {
6576                 name = cssPrefixes[ i ] + capName;
6577                 if ( name in style ) {
6578                         return name;
6579                 }
6580         }
6582         return origName;
6585 function isHidden( elem, el ) {
6586         elem = el || elem;
6587         return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
6590 function showHide( elements, show ) {
6591         var elem, display,
6592                 values = [],
6593                 index = 0,
6594                 length = elements.length;
6596         for ( ; index < length; index++ ) {
6597                 elem = elements[ index ];
6598                 if ( !elem.style ) {
6599                         continue;
6600                 }
6601                 values[ index ] = jQuery._data( elem, "olddisplay" );
6602                 if ( show ) {
6603                         // Reset the inline display of this element to learn if it is
6604                         // being hidden by cascaded rules or not
6605                         if ( !values[ index ] && elem.style.display === "none" ) {
6606                                 elem.style.display = "";
6607                         }
6609                         // Set elements which have been overridden with display: none
6610                         // in a stylesheet to whatever the default browser style is
6611                         // for such an element
6612                         if ( elem.style.display === "" && isHidden( elem ) ) {
6613                                 values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
6614                         }
6615                 } else {
6616                         display = curCSS( elem, "display" );
6618                         if ( !values[ index ] && display !== "none" ) {
6619                                 jQuery._data( elem, "olddisplay", display );
6620                         }
6621                 }
6622         }
6624         // Set the display of most of the elements in a second loop
6625         // to avoid the constant reflow
6626         for ( index = 0; index < length; index++ ) {
6627                 elem = elements[ index ];
6628                 if ( !elem.style ) {
6629                         continue;
6630                 }
6631                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6632                         elem.style.display = show ? values[ index ] || "" : "none";
6633                 }
6634         }
6636         return elements;
6639 jQuery.fn.extend({
6640         css: function( name, value ) {
6641                 return jQuery.access( this, function( elem, name, value ) {
6642                         return value !== undefined ?
6643                                 jQuery.style( elem, name, value ) :
6644                                 jQuery.css( elem, name );
6645                 }, name, value, arguments.length > 1 );
6646         },
6647         show: function() {
6648                 return showHide( this, true );
6649         },
6650         hide: function() {
6651                 return showHide( this );
6652         },
6653         toggle: function( state, fn2 ) {
6654                 var bool = typeof state === "boolean";
6656                 if ( jQuery.isFunction( state ) && jQuery.isFunction( fn2 ) ) {
6657                         return eventsToggle.apply( this, arguments );
6658                 }
6660                 return this.each(function() {
6661                         if ( bool ? state : isHidden( this ) ) {
6662                                 jQuery( this ).show();
6663                         } else {
6664                                 jQuery( this ).hide();
6665                         }
6666                 });
6667         }
6670 jQuery.extend({
6671         // Add in style property hooks for overriding the default
6672         // behavior of getting and setting a style property
6673         cssHooks: {
6674                 opacity: {
6675                         get: function( elem, computed ) {
6676                                 if ( computed ) {
6677                                         // We should always get a number back from opacity
6678                                         var ret = curCSS( elem, "opacity" );
6679                                         return ret === "" ? "1" : ret;
6681                                 }
6682                         }
6683                 }
6684         },
6686         // Exclude the following css properties to add px
6687         cssNumber: {
6688                 "fillOpacity": true,
6689                 "fontWeight": true,
6690                 "lineHeight": true,
6691                 "opacity": true,
6692                 "orphans": true,
6693                 "widows": true,
6694                 "zIndex": true,
6695                 "zoom": true
6696         },
6698         // Add in properties whose names you wish to fix before
6699         // setting or getting the value
6700         cssProps: {
6701                 // normalize float css property
6702                 "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
6703         },
6705         // Get and set the style property on a DOM Node
6706         style: function( elem, name, value, extra ) {
6707                 // Don't set styles on text and comment nodes
6708                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6709                         return;
6710                 }
6712                 // Make sure that we're working with the right name
6713                 var ret, type, hooks,
6714                         origName = jQuery.camelCase( name ),
6715                         style = elem.style;
6717                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6719                 // gets hook for the prefixed version
6720                 // followed by the unprefixed version
6721                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6723                 // Check if we're setting a value
6724                 if ( value !== undefined ) {
6725                         type = typeof value;
6727                         // convert relative number strings (+= or -=) to relative numbers. #7345
6728                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
6729                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
6730                                 // Fixes bug #9237
6731                                 type = "number";
6732                         }
6734                         // Make sure that NaN and null values aren't set. See: #7116
6735                         if ( value == null || type === "number" && isNaN( value ) ) {
6736                                 return;
6737                         }
6739                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
6740                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
6741                                 value += "px";
6742                         }
6744                         // If a hook was provided, use that value, otherwise just set the specified value
6745                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
6746                                 // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
6747                                 // Fixes bug #5509
6748                                 try {
6749                                         style[ name ] = value;
6750                                 } catch(e) {}
6751                         }
6753                 } else {
6754                         // If a hook was provided get the non-computed value from there
6755                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
6756                                 return ret;
6757                         }
6759                         // Otherwise just get the value from the style object
6760                         return style[ name ];
6761                 }
6762         },
6764         css: function( elem, name, numeric, extra ) {
6765                 var val, num, hooks,
6766                         origName = jQuery.camelCase( name );
6768                 // Make sure that we're working with the right name
6769                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
6771                 // gets hook for the prefixed version
6772                 // followed by the unprefixed version
6773                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6775                 // If a hook was provided get the computed value from there
6776                 if ( hooks && "get" in hooks ) {
6777                         val = hooks.get( elem, true, extra );
6778                 }
6780                 // Otherwise, if a way to get the computed value exists, use that
6781                 if ( val === undefined ) {
6782                         val = curCSS( elem, name );
6783                 }
6785                 //convert "normal" to computed value
6786                 if ( val === "normal" && name in cssNormalTransform ) {
6787                         val = cssNormalTransform[ name ];
6788                 }
6790                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
6791                 if ( numeric || extra !== undefined ) {
6792                         num = parseFloat( val );
6793                         return numeric || jQuery.isNumeric( num ) ? num || 0 : val;
6794                 }
6795                 return val;
6796         },
6798         // A method for quickly swapping in/out CSS properties to get correct calculations
6799         swap: function( elem, options, callback ) {
6800                 var ret, name,
6801                         old = {};
6803                 // Remember the old values, and insert the new ones
6804                 for ( name in options ) {
6805                         old[ name ] = elem.style[ name ];
6806                         elem.style[ name ] = options[ name ];
6807                 }
6809                 ret = callback.call( elem );
6811                 // Revert the old values
6812                 for ( name in options ) {
6813                         elem.style[ name ] = old[ name ];
6814                 }
6816                 return ret;
6817         }
6820 // NOTE: To any future maintainer, we've window.getComputedStyle
6821 // because jsdom on node.js will break without it.
6822 if ( window.getComputedStyle ) {
6823         curCSS = function( elem, name ) {
6824                 var ret, width, minWidth, maxWidth,
6825                         computed = window.getComputedStyle( elem, null ),
6826                         style = elem.style;
6828                 if ( computed ) {
6830                         // getPropertyValue is only needed for .css('filter') in IE9, see #12537
6831                         ret = computed.getPropertyValue( name ) || computed[ name ];
6833                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6834                                 ret = jQuery.style( elem, name );
6835                         }
6837                         // A tribute to the "awesome hack by Dean Edwards"
6838                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
6839                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
6840                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
6841                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6842                                 width = style.width;
6843                                 minWidth = style.minWidth;
6844                                 maxWidth = style.maxWidth;
6846                                 style.minWidth = style.maxWidth = style.width = ret;
6847                                 ret = computed.width;
6849                                 style.width = width;
6850                                 style.minWidth = minWidth;
6851                                 style.maxWidth = maxWidth;
6852                         }
6853                 }
6855                 return ret;
6856         };
6857 } else if ( document.documentElement.currentStyle ) {
6858         curCSS = function( elem, name ) {
6859                 var left, rsLeft,
6860                         ret = elem.currentStyle && elem.currentStyle[ name ],
6861                         style = elem.style;
6863                 // Avoid setting ret to empty string here
6864                 // so we don't default to auto
6865                 if ( ret == null && style && style[ name ] ) {
6866                         ret = style[ name ];
6867                 }
6869                 // From the awesome hack by Dean Edwards
6870                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
6872                 // If we're not dealing with a regular pixel number
6873                 // but a number that has a weird ending, we need to convert it to pixels
6874                 // but not position css attributes, as those are proportional to the parent element instead
6875                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
6876                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
6878                         // Remember the original values
6879                         left = style.left;
6880                         rsLeft = elem.runtimeStyle && elem.runtimeStyle.left;
6882                         // Put in the new values to get a computed value out
6883                         if ( rsLeft ) {
6884                                 elem.runtimeStyle.left = elem.currentStyle.left;
6885                         }
6886                         style.left = name === "fontSize" ? "1em" : ret;
6887                         ret = style.pixelLeft + "px";
6889                         // Revert the changed values
6890                         style.left = left;
6891                         if ( rsLeft ) {
6892                                 elem.runtimeStyle.left = rsLeft;
6893                         }
6894                 }
6896                 return ret === "" ? "auto" : ret;
6897         };
6900 function setPositiveNumber( elem, value, subtract ) {
6901         var matches = rnumsplit.exec( value );
6902         return matches ?
6903                         Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
6904                         value;
6907 function augmentWidthOrHeight( elem, name, extra, isBorderBox ) {
6908         var i = extra === ( isBorderBox ? "border" : "content" ) ?
6909                 // If we already have the right measurement, avoid augmentation
6910                 4 :
6911                 // Otherwise initialize for horizontal or vertical properties
6912                 name === "width" ? 1 : 0,
6914                 val = 0;
6916         for ( ; i < 4; i += 2 ) {
6917                 // both box models exclude margin, so add it if we want it
6918                 if ( extra === "margin" ) {
6919                         // we use jQuery.css instead of curCSS here
6920                         // because of the reliableMarginRight CSS hook!
6921                         val += jQuery.css( elem, extra + cssExpand[ i ], true );
6922                 }
6924                 // From this point on we use curCSS for maximum performance (relevant in animations)
6925                 if ( isBorderBox ) {
6926                         // border-box includes padding, so remove it if we want content
6927                         if ( extra === "content" ) {
6928                                 val -= parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
6929                         }
6931                         // at this point, extra isn't border nor margin, so remove border
6932                         if ( extra !== "margin" ) {
6933                                 val -= parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
6934                         }
6935                 } else {
6936                         // at this point, extra isn't content, so add padding
6937                         val += parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
6939                         // at this point, extra isn't content nor padding, so add border
6940                         if ( extra !== "padding" ) {
6941                                 val += parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
6942                         }
6943                 }
6944         }
6946         return val;
6949 function getWidthOrHeight( elem, name, extra ) {
6951         // Start with offset property, which is equivalent to the border-box value
6952         var val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
6953                 valueIsBorderBox = true,
6954                 isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box";
6956         // some non-html elements return undefined for offsetWidth, so check for null/undefined
6957         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6958         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6959         if ( val <= 0 || val == null ) {
6960                 // Fall back to computed then uncomputed css if necessary
6961                 val = curCSS( elem, name );
6962                 if ( val < 0 || val == null ) {
6963                         val = elem.style[ name ];
6964                 }
6966                 // Computed unit is not pixels. Stop here and return.
6967                 if ( rnumnonpx.test(val) ) {
6968                         return val;
6969                 }
6971                 // we need the check for style in case a browser which returns unreliable values
6972                 // for getComputedStyle silently falls back to the reliable elem.style
6973                 valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
6975                 // Normalize "", auto, and prepare for extra
6976                 val = parseFloat( val ) || 0;
6977         }
6979         // use the active box-sizing model to add/subtract irrelevant styles
6980         return ( val +
6981                 augmentWidthOrHeight(
6982                         elem,
6983                         name,
6984                         extra || ( isBorderBox ? "border" : "content" ),
6985                         valueIsBorderBox
6986                 )
6987         ) + "px";
6991 // Try to determine the default display value of an element
6992 function css_defaultDisplay( nodeName ) {
6993         if ( elemdisplay[ nodeName ] ) {
6994                 return elemdisplay[ nodeName ];
6995         }
6997         var elem = jQuery( "<" + nodeName + ">" ).appendTo( document.body ),
6998                 display = elem.css("display");
6999         elem.remove();
7001         // If the simple way fails,
7002         // get element's real default display by attaching it to a temp iframe
7003         if ( display === "none" || display === "" ) {
7004                 // Use the already-created iframe if possible
7005                 iframe = document.body.appendChild(
7006                         iframe || jQuery.extend( document.createElement("iframe"), {
7007                                 frameBorder: 0,
7008                                 width: 0,
7009                                 height: 0
7010                         })
7011                 );
7013                 // Create a cacheable copy of the iframe document on first call.
7014                 // IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
7015                 // document to it; WebKit & Firefox won't allow reusing the iframe document.
7016                 if ( !iframeDoc || !iframe.createElement ) {
7017                         iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
7018                         iframeDoc.write("<!doctype html><html><body>");
7019                         iframeDoc.close();
7020                 }
7022                 elem = iframeDoc.body.appendChild( iframeDoc.createElement(nodeName) );
7024                 display = curCSS( elem, "display" );
7025                 document.body.removeChild( iframe );
7026         }
7028         // Store the correct default display
7029         elemdisplay[ nodeName ] = display;
7031         return display;
7034 jQuery.each([ "height", "width" ], function( i, name ) {
7035         jQuery.cssHooks[ name ] = {
7036                 get: function( elem, computed, extra ) {
7037                         if ( computed ) {
7038                                 // certain elements can have dimension info if we invisibly show them
7039                                 // however, it must have a current display style that would benefit from this
7040                                 if ( elem.offsetWidth === 0 && rdisplayswap.test( curCSS( elem, "display" ) ) ) {
7041                                         return jQuery.swap( elem, cssShow, function() {
7042                                                 return getWidthOrHeight( elem, name, extra );
7043                                         });
7044                                 } else {
7045                                         return getWidthOrHeight( elem, name, extra );
7046                                 }
7047                         }
7048                 },
7050                 set: function( elem, value, extra ) {
7051                         return setPositiveNumber( elem, value, extra ?
7052                                 augmentWidthOrHeight(
7053                                         elem,
7054                                         name,
7055                                         extra,
7056                                         jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box"
7057                                 ) : 0
7058                         );
7059                 }
7060         };
7063 if ( !jQuery.support.opacity ) {
7064         jQuery.cssHooks.opacity = {
7065                 get: function( elem, computed ) {
7066                         // IE uses filters for opacity
7067                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
7068                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
7069                                 computed ? "1" : "";
7070                 },
7072                 set: function( elem, value ) {
7073                         var style = elem.style,
7074                                 currentStyle = elem.currentStyle,
7075                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
7076                                 filter = currentStyle && currentStyle.filter || style.filter || "";
7078                         // IE has trouble with opacity if it does not have layout
7079                         // Force it by setting the zoom level
7080                         style.zoom = 1;
7082                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
7083                         if ( value >= 1 && jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
7084                                 style.removeAttribute ) {
7086                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
7087                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
7088                                 // style.removeAttribute is IE Only, but so apparently is this code path...
7089                                 style.removeAttribute( "filter" );
7091                                 // if there there is no filter style applied in a css rule, we are done
7092                                 if ( currentStyle && !currentStyle.filter ) {
7093                                         return;
7094                                 }
7095                         }
7097                         // otherwise, set new filter values
7098                         style.filter = ralpha.test( filter ) ?
7099                                 filter.replace( ralpha, opacity ) :
7100                                 filter + " " + opacity;
7101                 }
7102         };
7105 // These hooks cannot be added until DOM ready because the support test
7106 // for it is not run until after DOM ready
7107 jQuery(function() {
7108         if ( !jQuery.support.reliableMarginRight ) {
7109                 jQuery.cssHooks.marginRight = {
7110                         get: function( elem, computed ) {
7111                                 // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
7112                                 // Work around by temporarily setting element display to inline-block
7113                                 return jQuery.swap( elem, { "display": "inline-block" }, function() {
7114                                         if ( computed ) {
7115                                                 return curCSS( elem, "marginRight" );
7116                                         }
7117                                 });
7118                         }
7119                 };
7120         }
7122         // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
7123         // getComputedStyle returns percent when specified for top/left/bottom/right
7124         // rather than make the css module depend on the offset module, we just check for it here
7125         if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
7126                 jQuery.each( [ "top", "left" ], function( i, prop ) {
7127                         jQuery.cssHooks[ prop ] = {
7128                                 get: function( elem, computed ) {
7129                                         if ( computed ) {
7130                                                 var ret = curCSS( elem, prop );
7131                                                 // if curCSS returns percentage, fallback to offset
7132                                                 return rnumnonpx.test( ret ) ? jQuery( elem ).position()[ prop ] + "px" : ret;
7133                                         }
7134                                 }
7135                         };
7136                 });
7137         }
7141 if ( jQuery.expr && jQuery.expr.filters ) {
7142         jQuery.expr.filters.hidden = function( elem ) {
7143                 return ( elem.offsetWidth === 0 && elem.offsetHeight === 0 ) || (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || curCSS( elem, "display" )) === "none");
7144         };
7146         jQuery.expr.filters.visible = function( elem ) {
7147                 return !jQuery.expr.filters.hidden( elem );
7148         };
7151 // These hooks are used by animate to expand properties
7152 jQuery.each({
7153         margin: "",
7154         padding: "",
7155         border: "Width"
7156 }, function( prefix, suffix ) {
7157         jQuery.cssHooks[ prefix + suffix ] = {
7158                 expand: function( value ) {
7159                         var i,
7161                                 // assumes a single number if not a string
7162                                 parts = typeof value === "string" ? value.split(" ") : [ value ],
7163                                 expanded = {};
7165                         for ( i = 0; i < 4; i++ ) {
7166                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
7167                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7168                         }
7170                         return expanded;
7171                 }
7172         };
7174         if ( !rmargin.test( prefix ) ) {
7175                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7176         }
7178 var r20 = /%20/g,
7179         rbracket = /\[\]$/,
7180         rCRLF = /\r?\n/g,
7181         rinput = /^(?:color|date|datetime|datetime-local|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
7182         rselectTextarea = /^(?:select|textarea)/i;
7184 jQuery.fn.extend({
7185         serialize: function() {
7186                 return jQuery.param( this.serializeArray() );
7187         },
7188         serializeArray: function() {
7189                 return this.map(function(){
7190                         return this.elements ? jQuery.makeArray( this.elements ) : this;
7191                 })
7192                 .filter(function(){
7193                         return this.name && !this.disabled &&
7194                                 ( this.checked || rselectTextarea.test( this.nodeName ) ||
7195                                         rinput.test( this.type ) );
7196                 })
7197                 .map(function( i, elem ){
7198                         var val = jQuery( this ).val();
7200                         return val == null ?
7201                                 null :
7202                                 jQuery.isArray( val ) ?
7203                                         jQuery.map( val, function( val, i ){
7204                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7205                                         }) :
7206                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7207                 }).get();
7208         }
7211 //Serialize an array of form elements or a set of
7212 //key/values into a query string
7213 jQuery.param = function( a, traditional ) {
7214         var prefix,
7215                 s = [],
7216                 add = function( key, value ) {
7217                         // If value is a function, invoke it and return its value
7218                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
7219                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
7220                 };
7222         // Set traditional to true for jQuery <= 1.3.2 behavior.
7223         if ( traditional === undefined ) {
7224                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
7225         }
7227         // If an array was passed in, assume that it is an array of form elements.
7228         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7229                 // Serialize the form elements
7230                 jQuery.each( a, function() {
7231                         add( this.name, this.value );
7232                 });
7234         } else {
7235                 // If traditional, encode the "old" way (the way 1.3.2 or older
7236                 // did it), otherwise encode params recursively.
7237                 for ( prefix in a ) {
7238                         buildParams( prefix, a[ prefix ], traditional, add );
7239                 }
7240         }
7242         // Return the resulting serialization
7243         return s.join( "&" ).replace( r20, "+" );
7246 function buildParams( prefix, obj, traditional, add ) {
7247         var name;
7249         if ( jQuery.isArray( obj ) ) {
7250                 // Serialize array item.
7251                 jQuery.each( obj, function( i, v ) {
7252                         if ( traditional || rbracket.test( prefix ) ) {
7253                                 // Treat each array item as a scalar.
7254                                 add( prefix, v );
7256                         } else {
7257                                 // If array item is non-scalar (array or object), encode its
7258                                 // numeric index to resolve deserialization ambiguity issues.
7259                                 // Note that rack (as of 1.0.0) can't currently deserialize
7260                                 // nested arrays properly, and attempting to do so may cause
7261                                 // a server error. Possible fixes are to modify rack's
7262                                 // deserialization algorithm or to provide an option or flag
7263                                 // to force array serialization to be shallow.
7264                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
7265                         }
7266                 });
7268         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
7269                 // Serialize object item.
7270                 for ( name in obj ) {
7271                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7272                 }
7274         } else {
7275                 // Serialize scalar item.
7276                 add( prefix, obj );
7277         }
7280         // Document location
7281         ajaxLocParts,
7282         ajaxLocation,
7284         rhash = /#.*$/,
7285         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
7286         // #7653, #8125, #8152: local protocol detection
7287         rlocalProtocol = /^(?:about|app|app\-storage|.+\-extension|file|res|widget):$/,
7288         rnoContent = /^(?:GET|HEAD)$/,
7289         rprotocol = /^\/\//,
7290         rquery = /\?/,
7291         rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
7292         rts = /([?&])_=[^&]*/,
7293         rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
7295         // Keep a copy of the old load method
7296         _load = jQuery.fn.load,
7298         /* Prefilters
7299          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
7300          * 2) These are called:
7301          *    - BEFORE asking for a transport
7302          *    - AFTER param serialization (s.data is a string if s.processData is true)
7303          * 3) key is the dataType
7304          * 4) the catchall symbol "*" can be used
7305          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
7306          */
7307         prefilters = {},
7309         /* Transports bindings
7310          * 1) key is the dataType
7311          * 2) the catchall symbol "*" can be used
7312          * 3) selection will start with transport dataType and THEN go to "*" if needed
7313          */
7314         transports = {},
7316         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
7317         allTypes = ["*/"] + ["*"];
7319 // #8138, IE may throw an exception when accessing
7320 // a field from window.location if document.domain has been set
7321 try {
7322         ajaxLocation = location.href;
7323 } catch( e ) {
7324         // Use the href attribute of an A element
7325         // since IE will modify it given document.location
7326         ajaxLocation = document.createElement( "a" );
7327         ajaxLocation.href = "";
7328         ajaxLocation = ajaxLocation.href;
7331 // Segment location into parts
7332 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
7334 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
7335 function addToPrefiltersOrTransports( structure ) {
7337         // dataTypeExpression is optional and defaults to "*"
7338         return function( dataTypeExpression, func ) {
7340                 if ( typeof dataTypeExpression !== "string" ) {
7341                         func = dataTypeExpression;
7342                         dataTypeExpression = "*";
7343                 }
7345                 var dataType, list, placeBefore,
7346                         dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
7347                         i = 0,
7348                         length = dataTypes.length;
7350                 if ( jQuery.isFunction( func ) ) {
7351                         // For each dataType in the dataTypeExpression
7352                         for ( ; i < length; i++ ) {
7353                                 dataType = dataTypes[ i ];
7354                                 // We control if we're asked to add before
7355                                 // any existing element
7356                                 placeBefore = /^\+/.test( dataType );
7357                                 if ( placeBefore ) {
7358                                         dataType = dataType.substr( 1 ) || "*";
7359                                 }
7360                                 list = structure[ dataType ] = structure[ dataType ] || [];
7361                                 // then we add to the structure accordingly
7362                                 list[ placeBefore ? "unshift" : "push" ]( func );
7363                         }
7364                 }
7365         };
7368 // Base inspection function for prefilters and transports
7369 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR,
7370                 dataType /* internal */, inspected /* internal */ ) {
7372         dataType = dataType || options.dataTypes[ 0 ];
7373         inspected = inspected || {};
7375         inspected[ dataType ] = true;
7377         var selection,
7378                 list = structure[ dataType ],
7379                 i = 0,
7380                 length = list ? list.length : 0,
7381                 executeOnly = ( structure === prefilters );
7383         for ( ; i < length && ( executeOnly || !selection ); i++ ) {
7384                 selection = list[ i ]( options, originalOptions, jqXHR );
7385                 // If we got redirected to another dataType
7386                 // we try there if executing only and not done already
7387                 if ( typeof selection === "string" ) {
7388                         if ( !executeOnly || inspected[ selection ] ) {
7389                                 selection = undefined;
7390                         } else {
7391                                 options.dataTypes.unshift( selection );
7392                                 selection = inspectPrefiltersOrTransports(
7393                                                 structure, options, originalOptions, jqXHR, selection, inspected );
7394                         }
7395                 }
7396         }
7397         // If we're only executing or nothing was selected
7398         // we try the catchall dataType if not done already
7399         if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) {
7400                 selection = inspectPrefiltersOrTransports(
7401                                 structure, options, originalOptions, jqXHR, "*", inspected );
7402         }
7403         // unnecessary when only executing (prefilters)
7404         // but it'll be ignored by the caller in that case
7405         return selection;
7408 // A special extend for ajax options
7409 // that takes "flat" options (not to be deep extended)
7410 // Fixes #9887
7411 function ajaxExtend( target, src ) {
7412         var key, deep,
7413                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
7414         for ( key in src ) {
7415                 if ( src[ key ] !== undefined ) {
7416                         ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
7417                 }
7418         }
7419         if ( deep ) {
7420                 jQuery.extend( true, target, deep );
7421         }
7424 jQuery.fn.load = function( url, params, callback ) {
7425         if ( typeof url !== "string" && _load ) {
7426                 return _load.apply( this, arguments );
7427         }
7429         // Don't do a request if no elements are being requested
7430         if ( !this.length ) {
7431                 return this;
7432         }
7434         var selector, type, response,
7435                 self = this,
7436                 off = url.indexOf(" ");
7438         if ( off >= 0 ) {
7439                 selector = url.slice( off, url.length );
7440                 url = url.slice( 0, off );
7441         }
7443         // If it's a function
7444         if ( jQuery.isFunction( params ) ) {
7446                 // We assume that it's the callback
7447                 callback = params;
7448                 params = undefined;
7450         // Otherwise, build a param string
7451         } else if ( params && typeof params === "object" ) {
7452                 type = "POST";
7453         }
7455         // Request the remote document
7456         jQuery.ajax({
7457                 url: url,
7459                 // if "type" variable is undefined, then "GET" method will be used
7460                 type: type,
7461                 dataType: "html",
7462                 data: params,
7463                 complete: function( jqXHR, status ) {
7464                         if ( callback ) {
7465                                 self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
7466                         }
7467                 }
7468         }).done(function( responseText ) {
7470                 // Save response for use in complete callback
7471                 response = arguments;
7473                 // See if a selector was specified
7474                 self.html( selector ?
7476                         // Create a dummy div to hold the results
7477                         jQuery("<div>")
7479                                 // inject the contents of the document in, removing the scripts
7480                                 // to avoid any 'Permission Denied' errors in IE
7481                                 .append( responseText.replace( rscript, "" ) )
7483                                 // Locate the specified elements
7484                                 .find( selector ) :
7486                         // If not, just inject the full result
7487                         responseText );
7489         });
7491         return this;
7494 // Attach a bunch of functions for handling common AJAX events
7495 jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){
7496         jQuery.fn[ o ] = function( f ){
7497                 return this.on( o, f );
7498         };
7501 jQuery.each( [ "get", "post" ], function( i, method ) {
7502         jQuery[ method ] = function( url, data, callback, type ) {
7503                 // shift arguments if data argument was omitted
7504                 if ( jQuery.isFunction( data ) ) {
7505                         type = type || callback;
7506                         callback = data;
7507                         data = undefined;
7508                 }
7510                 return jQuery.ajax({
7511                         type: method,
7512                         url: url,
7513                         data: data,
7514                         success: callback,
7515                         dataType: type
7516                 });
7517         };
7520 jQuery.extend({
7522         getScript: function( url, callback ) {
7523                 return jQuery.get( url, undefined, callback, "script" );
7524         },
7526         getJSON: function( url, data, callback ) {
7527                 return jQuery.get( url, data, callback, "json" );
7528         },
7530         // Creates a full fledged settings object into target
7531         // with both ajaxSettings and settings fields.
7532         // If target is omitted, writes into ajaxSettings.
7533         ajaxSetup: function( target, settings ) {
7534                 if ( settings ) {
7535                         // Building a settings object
7536                         ajaxExtend( target, jQuery.ajaxSettings );
7537                 } else {
7538                         // Extending ajaxSettings
7539                         settings = target;
7540                         target = jQuery.ajaxSettings;
7541                 }
7542                 ajaxExtend( target, settings );
7543                 return target;
7544         },
7546         ajaxSettings: {
7547                 url: ajaxLocation,
7548                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
7549                 global: true,
7550                 type: "GET",
7551                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
7552                 processData: true,
7553                 async: true,
7554                 /*
7555                 timeout: 0,
7556                 data: null,
7557                 dataType: null,
7558                 username: null,
7559                 password: null,
7560                 cache: null,
7561                 throws: false,
7562                 traditional: false,
7563                 headers: {},
7564                 */
7566                 accepts: {
7567                         xml: "application/xml, text/xml",
7568                         html: "text/html",
7569                         text: "text/plain",
7570                         json: "application/json, text/javascript",
7571                         "*": allTypes
7572                 },
7574                 contents: {
7575                         xml: /xml/,
7576                         html: /html/,
7577                         json: /json/
7578                 },
7580                 responseFields: {
7581                         xml: "responseXML",
7582                         text: "responseText"
7583                 },
7585                 // List of data converters
7586                 // 1) key format is "source_type destination_type" (a single space in-between)
7587                 // 2) the catchall symbol "*" can be used for source_type
7588                 converters: {
7590                         // Convert anything to text
7591                         "* text": window.String,
7593                         // Text to html (true = no transformation)
7594                         "text html": true,
7596                         // Evaluate text as a json expression
7597                         "text json": jQuery.parseJSON,
7599                         // Parse text as xml
7600                         "text xml": jQuery.parseXML
7601                 },
7603                 // For options that shouldn't be deep extended:
7604                 // you can add your own custom options here if
7605                 // and when you create one that shouldn't be
7606                 // deep extended (see ajaxExtend)
7607                 flatOptions: {
7608                         context: true,
7609                         url: true
7610                 }
7611         },
7613         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
7614         ajaxTransport: addToPrefiltersOrTransports( transports ),
7616         // Main method
7617         ajax: function( url, options ) {
7619                 // If url is an object, simulate pre-1.5 signature
7620                 if ( typeof url === "object" ) {
7621                         options = url;
7622                         url = undefined;
7623                 }
7625                 // Force options to be an object
7626                 options = options || {};
7628                 var // ifModified key
7629                         ifModifiedKey,
7630                         // Response headers
7631                         responseHeadersString,
7632                         responseHeaders,
7633                         // transport
7634                         transport,
7635                         // timeout handle
7636                         timeoutTimer,
7637                         // Cross-domain detection vars
7638                         parts,
7639                         // To know if global events are to be dispatched
7640                         fireGlobals,
7641                         // Loop variable
7642                         i,
7643                         // Create the final options object
7644                         s = jQuery.ajaxSetup( {}, options ),
7645                         // Callbacks context
7646                         callbackContext = s.context || s,
7647                         // Context for global events
7648                         // It's the callbackContext if one was provided in the options
7649                         // and if it's a DOM node or a jQuery collection
7650                         globalEventContext = callbackContext !== s &&
7651                                 ( callbackContext.nodeType || callbackContext instanceof jQuery ) ?
7652                                                 jQuery( callbackContext ) : jQuery.event,
7653                         // Deferreds
7654                         deferred = jQuery.Deferred(),
7655                         completeDeferred = jQuery.Callbacks( "once memory" ),
7656                         // Status-dependent callbacks
7657                         statusCode = s.statusCode || {},
7658                         // Headers (they are sent all at once)
7659                         requestHeaders = {},
7660                         requestHeadersNames = {},
7661                         // The jqXHR state
7662                         state = 0,
7663                         // Default abort message
7664                         strAbort = "canceled",
7665                         // Fake xhr
7666                         jqXHR = {
7668                                 readyState: 0,
7670                                 // Caches the header
7671                                 setRequestHeader: function( name, value ) {
7672                                         if ( !state ) {
7673                                                 var lname = name.toLowerCase();
7674                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
7675                                                 requestHeaders[ name ] = value;
7676                                         }
7677                                         return this;
7678                                 },
7680                                 // Raw string
7681                                 getAllResponseHeaders: function() {
7682                                         return state === 2 ? responseHeadersString : null;
7683                                 },
7685                                 // Builds headers hashtable if needed
7686                                 getResponseHeader: function( key ) {
7687                                         var match;
7688                                         if ( state === 2 ) {
7689                                                 if ( !responseHeaders ) {
7690                                                         responseHeaders = {};
7691                                                         while( ( match = rheaders.exec( responseHeadersString ) ) ) {
7692                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
7693                                                         }
7694                                                 }
7695                                                 match = responseHeaders[ key.toLowerCase() ];
7696                                         }
7697                                         return match === undefined ? null : match;
7698                                 },
7700                                 // Overrides response content-type header
7701                                 overrideMimeType: function( type ) {
7702                                         if ( !state ) {
7703                                                 s.mimeType = type;
7704                                         }
7705                                         return this;
7706                                 },
7708                                 // Cancel the request
7709                                 abort: function( statusText ) {
7710                                         statusText = statusText || strAbort;
7711                                         if ( transport ) {
7712                                                 transport.abort( statusText );
7713                                         }
7714                                         done( 0, statusText );
7715                                         return this;
7716                                 }
7717                         };
7719                 // Callback for when everything is done
7720                 // It is defined here because jslint complains if it is declared
7721                 // at the end of the function (which would be more logical and readable)
7722                 function done( status, nativeStatusText, responses, headers ) {
7723                         var isSuccess, success, error, response, modified,
7724                                 statusText = nativeStatusText;
7726                         // Called once
7727                         if ( state === 2 ) {
7728                                 return;
7729                         }
7731                         // State is "done" now
7732                         state = 2;
7734                         // Clear timeout if it exists
7735                         if ( timeoutTimer ) {
7736                                 clearTimeout( timeoutTimer );
7737                         }
7739                         // Dereference transport for early garbage collection
7740                         // (no matter how long the jqXHR object will be used)
7741                         transport = undefined;
7743                         // Cache response headers
7744                         responseHeadersString = headers || "";
7746                         // Set readyState
7747                         jqXHR.readyState = status > 0 ? 4 : 0;
7749                         // Get response data
7750                         if ( responses ) {
7751                                 response = ajaxHandleResponses( s, jqXHR, responses );
7752                         }
7754                         // If successful, handle type chaining
7755                         if ( status >= 200 && status < 300 || status === 304 ) {
7757                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
7758                                 if ( s.ifModified ) {
7760                                         modified = jqXHR.getResponseHeader("Last-Modified");
7761                                         if ( modified ) {
7762                                                 jQuery.lastModified[ ifModifiedKey ] = modified;
7763                                         }
7764                                         modified = jqXHR.getResponseHeader("Etag");
7765                                         if ( modified ) {
7766                                                 jQuery.etag[ ifModifiedKey ] = modified;
7767                                         }
7768                                 }
7770                                 // If not modified
7771                                 if ( status === 304 ) {
7773                                         statusText = "notmodified";
7774                                         isSuccess = true;
7776                                 // If we have data
7777                                 } else {
7779                                         isSuccess = ajaxConvert( s, response );
7780                                         statusText = isSuccess.state;
7781                                         success = isSuccess.data;
7782                                         error = isSuccess.error;
7783                                         isSuccess = !error;
7784                                 }
7785                         } else {
7786                                 // We extract error from statusText
7787                                 // then normalize statusText and status for non-aborts
7788                                 error = statusText;
7789                                 if ( !statusText || status ) {
7790                                         statusText = "error";
7791                                         if ( status < 0 ) {
7792                                                 status = 0;
7793                                         }
7794                                 }
7795                         }
7797                         // Set data for the fake xhr object
7798                         jqXHR.status = status;
7799                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
7801                         // Success/Error
7802                         if ( isSuccess ) {
7803                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
7804                         } else {
7805                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
7806                         }
7808                         // Status-dependent callbacks
7809                         jqXHR.statusCode( statusCode );
7810                         statusCode = undefined;
7812                         if ( fireGlobals ) {
7813                                 globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
7814                                                 [ jqXHR, s, isSuccess ? success : error ] );
7815                         }
7817                         // Complete
7818                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
7820                         if ( fireGlobals ) {
7821                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
7822                                 // Handle the global AJAX counter
7823                                 if ( !( --jQuery.active ) ) {
7824                                         jQuery.event.trigger( "ajaxStop" );
7825                                 }
7826                         }
7827                 }
7829                 // Attach deferreds
7830                 deferred.promise( jqXHR );
7831                 jqXHR.success = jqXHR.done;
7832                 jqXHR.error = jqXHR.fail;
7833                 jqXHR.complete = completeDeferred.add;
7835                 // Status-dependent callbacks
7836                 jqXHR.statusCode = function( map ) {
7837                         if ( map ) {
7838                                 var tmp;
7839                                 if ( state < 2 ) {
7840                                         for ( tmp in map ) {
7841                                                 statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ];
7842                                         }
7843                                 } else {
7844                                         tmp = map[ jqXHR.status ];
7845                                         jqXHR.always( tmp );
7846                                 }
7847                         }
7848                         return this;
7849                 };
7851                 // Remove hash character (#7531: and string promotion)
7852                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
7853                 // We also use the url parameter if available
7854                 s.url = ( ( url || s.url ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
7856                 // Extract dataTypes list
7857                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( core_rspace );
7859                 // A cross-domain request is in order when we have a protocol:host:port mismatch
7860                 if ( s.crossDomain == null ) {
7861                         parts = rurl.exec( s.url.toLowerCase() );
7862                         s.crossDomain = !!( parts &&
7863                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
7864                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
7865                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) )
7866                         );
7867                 }
7869                 // Convert data if not already a string
7870                 if ( s.data && s.processData && typeof s.data !== "string" ) {
7871                         s.data = jQuery.param( s.data, s.traditional );
7872                 }
7874                 // Apply prefilters
7875                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
7877                 // If request was aborted inside a prefilter, stop there
7878                 if ( state === 2 ) {
7879                         return jqXHR;
7880                 }
7882                 // We can fire global events as of now if asked to
7883                 fireGlobals = s.global;
7885                 // Uppercase the type
7886                 s.type = s.type.toUpperCase();
7888                 // Determine if request has content
7889                 s.hasContent = !rnoContent.test( s.type );
7891                 // Watch for a new set of requests
7892                 if ( fireGlobals && jQuery.active++ === 0 ) {
7893                         jQuery.event.trigger( "ajaxStart" );
7894                 }
7896                 // More options handling for requests with no content
7897                 if ( !s.hasContent ) {
7899                         // If data is available, append data to url
7900                         if ( s.data ) {
7901                                 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
7902                                 // #9682: remove data so that it's not used in an eventual retry
7903                                 delete s.data;
7904                         }
7906                         // Get ifModifiedKey before adding the anti-cache parameter
7907                         ifModifiedKey = s.url;
7909                         // Add anti-cache in url if needed
7910                         if ( s.cache === false ) {
7912                                 var ts = jQuery.now(),
7913                                         // try replacing _= if it is there
7914                                         ret = s.url.replace( rts, "$1_=" + ts );
7916                                 // if nothing was replaced, add timestamp to the end
7917                                 s.url = ret + ( ( ret === s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "" );
7918                         }
7919                 }
7921                 // Set the correct header, if data is being sent
7922                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
7923                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
7924                 }
7926                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
7927                 if ( s.ifModified ) {
7928                         ifModifiedKey = ifModifiedKey || s.url;
7929                         if ( jQuery.lastModified[ ifModifiedKey ] ) {
7930                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ ifModifiedKey ] );
7931                         }
7932                         if ( jQuery.etag[ ifModifiedKey ] ) {
7933                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ ifModifiedKey ] );
7934                         }
7935                 }
7937                 // Set the Accepts header for the server, depending on the dataType
7938                 jqXHR.setRequestHeader(
7939                         "Accept",
7940                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
7941                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
7942                                 s.accepts[ "*" ]
7943                 );
7945                 // Check for headers option
7946                 for ( i in s.headers ) {
7947                         jqXHR.setRequestHeader( i, s.headers[ i ] );
7948                 }
7950                 // Allow custom headers/mimetypes and early abort
7951                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
7952                                 // Abort if not done already and return
7953                                 return jqXHR.abort();
7955                 }
7957                 // aborting is no longer a cancellation
7958                 strAbort = "abort";
7960                 // Install callbacks on deferreds
7961                 for ( i in { success: 1, error: 1, complete: 1 } ) {
7962                         jqXHR[ i ]( s[ i ] );
7963                 }
7965                 // Get transport
7966                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
7968                 // If no transport, we auto-abort
7969                 if ( !transport ) {
7970                         done( -1, "No Transport" );
7971                 } else {
7972                         jqXHR.readyState = 1;
7973                         // Send global event
7974                         if ( fireGlobals ) {
7975                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
7976                         }
7977                         // Timeout
7978                         if ( s.async && s.timeout > 0 ) {
7979                                 timeoutTimer = setTimeout( function(){
7980                                         jqXHR.abort( "timeout" );
7981                                 }, s.timeout );
7982                         }
7984                         try {
7985                                 state = 1;
7986                                 transport.send( requestHeaders, done );
7987                         } catch (e) {
7988                                 // Propagate exception as error if not done
7989                                 if ( state < 2 ) {
7990                                         done( -1, e );
7991                                 // Simply rethrow otherwise
7992                                 } else {
7993                                         throw e;
7994                                 }
7995                         }
7996                 }
7998                 return jqXHR;
7999         },
8001         // Counter for holding the number of active queries
8002         active: 0,
8004         // Last-Modified header cache for next request
8005         lastModified: {},
8006         etag: {}
8010 /* Handles responses to an ajax request:
8011  * - sets all responseXXX fields accordingly
8012  * - finds the right dataType (mediates between content-type and expected dataType)
8013  * - returns the corresponding response
8014  */
8015 function ajaxHandleResponses( s, jqXHR, responses ) {
8017         var ct, type, finalDataType, firstDataType,
8018                 contents = s.contents,
8019                 dataTypes = s.dataTypes,
8020                 responseFields = s.responseFields;
8022         // Fill responseXXX fields
8023         for ( type in responseFields ) {
8024                 if ( type in responses ) {
8025                         jqXHR[ responseFields[type] ] = responses[ type ];
8026                 }
8027         }
8029         // Remove auto dataType and get content-type in the process
8030         while( dataTypes[ 0 ] === "*" ) {
8031                 dataTypes.shift();
8032                 if ( ct === undefined ) {
8033                         ct = s.mimeType || jqXHR.getResponseHeader( "content-type" );
8034                 }
8035         }
8037         // Check if we're dealing with a known content-type
8038         if ( ct ) {
8039                 for ( type in contents ) {
8040                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8041                                 dataTypes.unshift( type );
8042                                 break;
8043                         }
8044                 }
8045         }
8047         // Check to see if we have a response for the expected dataType
8048         if ( dataTypes[ 0 ] in responses ) {
8049                 finalDataType = dataTypes[ 0 ];
8050         } else {
8051                 // Try convertible dataTypes
8052                 for ( type in responses ) {
8053                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8054                                 finalDataType = type;
8055                                 break;
8056                         }
8057                         if ( !firstDataType ) {
8058                                 firstDataType = type;
8059                         }
8060                 }
8061                 // Or just use first one
8062                 finalDataType = finalDataType || firstDataType;
8063         }
8065         // If we found a dataType
8066         // We add the dataType to the list if needed
8067         // and return the corresponding response
8068         if ( finalDataType ) {
8069                 if ( finalDataType !== dataTypes[ 0 ] ) {
8070                         dataTypes.unshift( finalDataType );
8071                 }
8072                 return responses[ finalDataType ];
8073         }
8076 // Chain conversions given the request and the original response
8077 function ajaxConvert( s, response ) {
8079         var conv, conv2, current, tmp,
8080                 // Work with a copy of dataTypes in case we need to modify it for conversion
8081                 dataTypes = s.dataTypes.slice(),
8082                 prev = dataTypes[ 0 ],
8083                 converters = {},
8084                 i = 0;
8086         // Apply the dataFilter if provided
8087         if ( s.dataFilter ) {
8088                 response = s.dataFilter( response, s.dataType );
8089         }
8091         // Create converters map with lowercased keys
8092         if ( dataTypes[ 1 ] ) {
8093                 for ( conv in s.converters ) {
8094                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8095                 }
8096         }
8098         // Convert to each sequential dataType, tolerating list modification
8099         for ( ; (current = dataTypes[++i]); ) {
8101                 // There's only work to do if current dataType is non-auto
8102                 if ( current !== "*" ) {
8104                         // Convert response if prev dataType is non-auto and differs from current
8105                         if ( prev !== "*" && prev !== current ) {
8107                                 // Seek a direct converter
8108                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8110                                 // If none found, seek a pair
8111                                 if ( !conv ) {
8112                                         for ( conv2 in converters ) {
8114                                                 // If conv2 outputs current
8115                                                 tmp = conv2.split(" ");
8116                                                 if ( tmp[ 1 ] === current ) {
8118                                                         // If prev can be converted to accepted input
8119                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8120                                                                 converters[ "* " + tmp[ 0 ] ];
8121                                                         if ( conv ) {
8122                                                                 // Condense equivalence converters
8123                                                                 if ( conv === true ) {
8124                                                                         conv = converters[ conv2 ];
8126                                                                 // Otherwise, insert the intermediate dataType
8127                                                                 } else if ( converters[ conv2 ] !== true ) {
8128                                                                         current = tmp[ 0 ];
8129                                                                         dataTypes.splice( i--, 0, current );
8130                                                                 }
8132                                                                 break;
8133                                                         }
8134                                                 }
8135                                         }
8136                                 }
8138                                 // Apply converter (if not an equivalence)
8139                                 if ( conv !== true ) {
8141                                         // Unless errors are allowed to bubble, catch and return them
8142                                         if ( conv && s["throws"] ) {
8143                                                 response = conv( response );
8144                                         } else {
8145                                                 try {
8146                                                         response = conv( response );
8147                                                 } catch ( e ) {
8148                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8149                                                 }
8150                                         }
8151                                 }
8152                         }
8154                         // Update prev for next iteration
8155                         prev = current;
8156                 }
8157         }
8159         return { state: "success", data: response };
8161 var oldCallbacks = [],
8162         rquestion = /\?/,
8163         rjsonp = /(=)\?(?=&|$)|\?\?/,
8164         nonce = jQuery.now();
8166 // Default jsonp settings
8167 jQuery.ajaxSetup({
8168         jsonp: "callback",
8169         jsonpCallback: function() {
8170                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
8171                 this[ callback ] = true;
8172                 return callback;
8173         }
8176 // Detect, normalize options and install callbacks for jsonp requests
8177 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
8179         var callbackName, overwritten, responseContainer,
8180                 data = s.data,
8181                 url = s.url,
8182                 hasCallback = s.jsonp !== false,
8183                 replaceInUrl = hasCallback && rjsonp.test( url ),
8184                 replaceInData = hasCallback && !replaceInUrl && typeof data === "string" &&
8185                         !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") &&
8186                         rjsonp.test( data );
8188         // Handle iff the expected data type is "jsonp" or we have a parameter to set
8189         if ( s.dataTypes[ 0 ] === "jsonp" || replaceInUrl || replaceInData ) {
8191                 // Get callback name, remembering preexisting value associated with it
8192                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
8193                         s.jsonpCallback() :
8194                         s.jsonpCallback;
8195                 overwritten = window[ callbackName ];
8197                 // Insert callback into url or form data
8198                 if ( replaceInUrl ) {
8199                         s.url = url.replace( rjsonp, "$1" + callbackName );
8200                 } else if ( replaceInData ) {
8201                         s.data = data.replace( rjsonp, "$1" + callbackName );
8202                 } else if ( hasCallback ) {
8203                         s.url += ( rquestion.test( url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
8204                 }
8206                 // Use data converter to retrieve json after script execution
8207                 s.converters["script json"] = function() {
8208                         if ( !responseContainer ) {
8209                                 jQuery.error( callbackName + " was not called" );
8210                         }
8211                         return responseContainer[ 0 ];
8212                 };
8214                 // force json dataType
8215                 s.dataTypes[ 0 ] = "json";
8217                 // Install callback
8218                 window[ callbackName ] = function() {
8219                         responseContainer = arguments;
8220                 };
8222                 // Clean-up function (fires after converters)
8223                 jqXHR.always(function() {
8224                         // Restore preexisting value
8225                         window[ callbackName ] = overwritten;
8227                         // Save back as free
8228                         if ( s[ callbackName ] ) {
8229                                 // make sure that re-using the options doesn't screw things around
8230                                 s.jsonpCallback = originalSettings.jsonpCallback;
8232                                 // save the callback name for future use
8233                                 oldCallbacks.push( callbackName );
8234                         }
8236                         // Call if it was a function and we have a response
8237                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
8238                                 overwritten( responseContainer[ 0 ] );
8239                         }
8241                         responseContainer = overwritten = undefined;
8242                 });
8244                 // Delegate to script
8245                 return "script";
8246         }
8248 // Install script dataType
8249 jQuery.ajaxSetup({
8250         accepts: {
8251                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
8252         },
8253         contents: {
8254                 script: /javascript|ecmascript/
8255         },
8256         converters: {
8257                 "text script": function( text ) {
8258                         jQuery.globalEval( text );
8259                         return text;
8260                 }
8261         }
8264 // Handle cache's special case and global
8265 jQuery.ajaxPrefilter( "script", function( s ) {
8266         if ( s.cache === undefined ) {
8267                 s.cache = false;
8268         }
8269         if ( s.crossDomain ) {
8270                 s.type = "GET";
8271                 s.global = false;
8272         }
8275 // Bind script tag hack transport
8276 jQuery.ajaxTransport( "script", function(s) {
8278         // This transport only deals with cross domain requests
8279         if ( s.crossDomain ) {
8281                 var script,
8282                         head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement;
8284                 return {
8286                         send: function( _, callback ) {
8288                                 script = document.createElement( "script" );
8290                                 script.async = "async";
8292                                 if ( s.scriptCharset ) {
8293                                         script.charset = s.scriptCharset;
8294                                 }
8296                                 script.src = s.url;
8298                                 // Attach handlers for all browsers
8299                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
8301                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
8303                                                 // Handle memory leak in IE
8304                                                 script.onload = script.onreadystatechange = null;
8306                                                 // Remove the script
8307                                                 if ( head && script.parentNode ) {
8308                                                         head.removeChild( script );
8309                                                 }
8311                                                 // Dereference the script
8312                                                 script = undefined;
8314                                                 // Callback if not abort
8315                                                 if ( !isAbort ) {
8316                                                         callback( 200, "success" );
8317                                                 }
8318                                         }
8319                                 };
8320                                 // Use insertBefore instead of appendChild  to circumvent an IE6 bug.
8321                                 // This arises when a base node is used (#2709 and #4378).
8322                                 head.insertBefore( script, head.firstChild );
8323                         },
8325                         abort: function() {
8326                                 if ( script ) {
8327                                         script.onload( 0, 1 );
8328                                 }
8329                         }
8330                 };
8331         }
8333 var xhrCallbacks,
8334         // #5280: Internet Explorer will keep connections alive if we don't abort on unload
8335         xhrOnUnloadAbort = window.ActiveXObject ? function() {
8336                 // Abort all pending requests
8337                 for ( var key in xhrCallbacks ) {
8338                         xhrCallbacks[ key ]( 0, 1 );
8339                 }
8340         } : false,
8341         xhrId = 0;
8343 // Functions to create xhrs
8344 function createStandardXHR() {
8345         try {
8346                 return new window.XMLHttpRequest();
8347         } catch( e ) {}
8350 function createActiveXHR() {
8351         try {
8352                 return new window.ActiveXObject( "Microsoft.XMLHTTP" );
8353         } catch( e ) {}
8356 // Create the request object
8357 // (This is still attached to ajaxSettings for backward compatibility)
8358 jQuery.ajaxSettings.xhr = window.ActiveXObject ?
8359         /* Microsoft failed to properly
8360          * implement the XMLHttpRequest in IE7 (can't request local files),
8361          * so we use the ActiveXObject when it is available
8362          * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
8363          * we need a fallback.
8364          */
8365         function() {
8366                 return !this.isLocal && createStandardXHR() || createActiveXHR();
8367         } :
8368         // For all other browsers, use the standard XMLHttpRequest object
8369         createStandardXHR;
8371 // Determine support properties
8372 (function( xhr ) {
8373         jQuery.extend( jQuery.support, {
8374                 ajax: !!xhr,
8375                 cors: !!xhr && ( "withCredentials" in xhr )
8376         });
8377 })( jQuery.ajaxSettings.xhr() );
8379 // Create transport if the browser can provide an xhr
8380 if ( jQuery.support.ajax ) {
8382         jQuery.ajaxTransport(function( s ) {
8383                 // Cross domain only allowed if supported through XMLHttpRequest
8384                 if ( !s.crossDomain || jQuery.support.cors ) {
8386                         var callback;
8388                         return {
8389                                 send: function( headers, complete ) {
8391                                         // Get a new xhr
8392                                         var handle, i,
8393                                                 xhr = s.xhr();
8395                                         // Open the socket
8396                                         // Passing null username, generates a login popup on Opera (#2865)
8397                                         if ( s.username ) {
8398                                                 xhr.open( s.type, s.url, s.async, s.username, s.password );
8399                                         } else {
8400                                                 xhr.open( s.type, s.url, s.async );
8401                                         }
8403                                         // Apply custom fields if provided
8404                                         if ( s.xhrFields ) {
8405                                                 for ( i in s.xhrFields ) {
8406                                                         xhr[ i ] = s.xhrFields[ i ];
8407                                                 }
8408                                         }
8410                                         // Override mime type if needed
8411                                         if ( s.mimeType && xhr.overrideMimeType ) {
8412                                                 xhr.overrideMimeType( s.mimeType );
8413                                         }
8415                                         // X-Requested-With header
8416                                         // For cross-domain requests, seeing as conditions for a preflight are
8417                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
8418                                         // (it can always be set on a per-request basis or even using ajaxSetup)
8419                                         // For same-domain requests, won't change header if already provided.
8420                                         if ( !s.crossDomain && !headers["X-Requested-With"] ) {
8421                                                 headers[ "X-Requested-With" ] = "XMLHttpRequest";
8422                                         }
8424                                         // Need an extra try/catch for cross domain requests in Firefox 3
8425                                         try {
8426                                                 for ( i in headers ) {
8427                                                         xhr.setRequestHeader( i, headers[ i ] );
8428                                                 }
8429                                         } catch( _ ) {}
8431                                         // Do send the request
8432                                         // This may raise an exception which is actually
8433                                         // handled in jQuery.ajax (so no try/catch here)
8434                                         xhr.send( ( s.hasContent && s.data ) || null );
8436                                         // Listener
8437                                         callback = function( _, isAbort ) {
8439                                                 var status,
8440                                                         statusText,
8441                                                         responseHeaders,
8442                                                         responses,
8443                                                         xml;
8445                                                 // Firefox throws exceptions when accessing properties
8446                                                 // of an xhr when a network error occurred
8447                                                 // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
8448                                                 try {
8450                                                         // Was never called and is aborted or complete
8451                                                         if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
8453                                                                 // Only called once
8454                                                                 callback = undefined;
8456                                                                 // Do not keep as active anymore
8457                                                                 if ( handle ) {
8458                                                                         xhr.onreadystatechange = jQuery.noop;
8459                                                                         if ( xhrOnUnloadAbort ) {
8460                                                                                 delete xhrCallbacks[ handle ];
8461                                                                         }
8462                                                                 }
8464                                                                 // If it's an abort
8465                                                                 if ( isAbort ) {
8466                                                                         // Abort it manually if needed
8467                                                                         if ( xhr.readyState !== 4 ) {
8468                                                                                 xhr.abort();
8469                                                                         }
8470                                                                 } else {
8471                                                                         status = xhr.status;
8472                                                                         responseHeaders = xhr.getAllResponseHeaders();
8473                                                                         responses = {};
8474                                                                         xml = xhr.responseXML;
8476                                                                         // Construct response list
8477                                                                         if ( xml && xml.documentElement /* #4958 */ ) {
8478                                                                                 responses.xml = xml;
8479                                                                         }
8481                                                                         // When requesting binary data, IE6-9 will throw an exception
8482                                                                         // on any attempt to access responseText (#11426)
8483                                                                         try {
8484                                                                                 responses.text = xhr.responseText;
8485                                                                         } catch( e ) {
8486                                                                         }
8488                                                                         // Firefox throws an exception when accessing
8489                                                                         // statusText for faulty cross-domain requests
8490                                                                         try {
8491                                                                                 statusText = xhr.statusText;
8492                                                                         } catch( e ) {
8493                                                                                 // We normalize with Webkit giving an empty statusText
8494                                                                                 statusText = "";
8495                                                                         }
8497                                                                         // Filter status for non standard behaviors
8499                                                                         // If the request is local and we have data: assume a success
8500                                                                         // (success with no data won't get notified, that's the best we
8501                                                                         // can do given current implementations)
8502                                                                         if ( !status && s.isLocal && !s.crossDomain ) {
8503                                                                                 status = responses.text ? 200 : 404;
8504                                                                         // IE - #1450: sometimes returns 1223 when it should be 204
8505                                                                         } else if ( status === 1223 ) {
8506                                                                                 status = 204;
8507                                                                         }
8508                                                                 }
8509                                                         }
8510                                                 } catch( firefoxAccessException ) {
8511                                                         if ( !isAbort ) {
8512                                                                 complete( -1, firefoxAccessException );
8513                                                         }
8514                                                 }
8516                                                 // Call complete if needed
8517                                                 if ( responses ) {
8518                                                         complete( status, statusText, responses, responseHeaders );
8519                                                 }
8520                                         };
8522                                         if ( !s.async ) {
8523                                                 // if we're in sync mode we fire the callback
8524                                                 callback();
8525                                         } else if ( xhr.readyState === 4 ) {
8526                                                 // (IE6 & IE7) if it's in cache and has been
8527                                                 // retrieved directly we need to fire the callback
8528                                                 setTimeout( callback, 0 );
8529                                         } else {
8530                                                 handle = ++xhrId;
8531                                                 if ( xhrOnUnloadAbort ) {
8532                                                         // Create the active xhrs callbacks list if needed
8533                                                         // and attach the unload handler
8534                                                         if ( !xhrCallbacks ) {
8535                                                                 xhrCallbacks = {};
8536                                                                 jQuery( window ).unload( xhrOnUnloadAbort );
8537                                                         }
8538                                                         // Add to list of active xhrs callbacks
8539                                                         xhrCallbacks[ handle ] = callback;
8540                                                 }
8541                                                 xhr.onreadystatechange = callback;
8542                                         }
8543                                 },
8545                                 abort: function() {
8546                                         if ( callback ) {
8547                                                 callback(0,1);
8548                                         }
8549                                 }
8550                         };
8551                 }
8552         });
8554 var fxNow, timerId,
8555         rfxtypes = /^(?:toggle|show|hide)$/,
8556         rfxnum = new RegExp( "^(?:([-+])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
8557         rrun = /queueHooks$/,
8558         animationPrefilters = [ defaultPrefilter ],
8559         tweeners = {
8560                 "*": [function( prop, value ) {
8561                         var end, unit,
8562                                 tween = this.createTween( prop, value ),
8563                                 parts = rfxnum.exec( value ),
8564                                 target = tween.cur(),
8565                                 start = +target || 0,
8566                                 scale = 1,
8567                                 maxIterations = 20;
8569                         if ( parts ) {
8570                                 end = +parts[2];
8571                                 unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );
8573                                 // We need to compute starting value
8574                                 if ( unit !== "px" && start ) {
8575                                         // Iteratively approximate from a nonzero starting point
8576                                         // Prefer the current property, because this process will be trivial if it uses the same units
8577                                         // Fallback to end or a simple constant
8578                                         start = jQuery.css( tween.elem, prop, true ) || end || 1;
8580                                         do {
8581                                                 // If previous iteration zeroed out, double until we get *something*
8582                                                 // Use a string for doubling factor so we don't accidentally see scale as unchanged below
8583                                                 scale = scale || ".5";
8585                                                 // Adjust and apply
8586                                                 start = start / scale;
8587                                                 jQuery.style( tween.elem, prop, start + unit );
8589                                         // Update scale, tolerating zero or NaN from tween.cur()
8590                                         // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
8591                                         } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
8592                                 }
8594                                 tween.unit = unit;
8595                                 tween.start = start;
8596                                 // If a +=/-= token was provided, we're doing a relative animation
8597                                 tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
8598                         }
8599                         return tween;
8600                 }]
8601         };
8603 // Animations created synchronously will run synchronously
8604 function createFxNow() {
8605         setTimeout(function() {
8606                 fxNow = undefined;
8607         }, 0 );
8608         return ( fxNow = jQuery.now() );
8611 function createTweens( animation, props ) {
8612         jQuery.each( props, function( prop, value ) {
8613                 var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
8614                         index = 0,
8615                         length = collection.length;
8616                 for ( ; index < length; index++ ) {
8617                         if ( collection[ index ].call( animation, prop, value ) ) {
8619                                 // we're done with this property
8620                                 return;
8621                         }
8622                 }
8623         });
8626 function Animation( elem, properties, options ) {
8627         var result,
8628                 index = 0,
8629                 tweenerIndex = 0,
8630                 length = animationPrefilters.length,
8631                 deferred = jQuery.Deferred().always( function() {
8632                         // don't match elem in the :animated selector
8633                         delete tick.elem;
8634                 }),
8635                 tick = function() {
8636                         var currentTime = fxNow || createFxNow(),
8637                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
8638                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
8639                                 temp = remaining / animation.duration || 0,
8640                                 percent = 1 - temp,
8641                                 index = 0,
8642                                 length = animation.tweens.length;
8644                         for ( ; index < length ; index++ ) {
8645                                 animation.tweens[ index ].run( percent );
8646                         }
8648                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
8650                         if ( percent < 1 && length ) {
8651                                 return remaining;
8652                         } else {
8653                                 deferred.resolveWith( elem, [ animation ] );
8654                                 return false;
8655                         }
8656                 },
8657                 animation = deferred.promise({
8658                         elem: elem,
8659                         props: jQuery.extend( {}, properties ),
8660                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
8661                         originalProperties: properties,
8662                         originalOptions: options,
8663                         startTime: fxNow || createFxNow(),
8664                         duration: options.duration,
8665                         tweens: [],
8666                         createTween: function( prop, end, easing ) {
8667                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
8668                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
8669                                 animation.tweens.push( tween );
8670                                 return tween;
8671                         },
8672                         stop: function( gotoEnd ) {
8673                                 var index = 0,
8674                                         // if we are going to the end, we want to run all the tweens
8675                                         // otherwise we skip this part
8676                                         length = gotoEnd ? animation.tweens.length : 0;
8678                                 for ( ; index < length ; index++ ) {
8679                                         animation.tweens[ index ].run( 1 );
8680                                 }
8682                                 // resolve when we played the last frame
8683                                 // otherwise, reject
8684                                 if ( gotoEnd ) {
8685                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
8686                                 } else {
8687                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
8688                                 }
8689                                 return this;
8690                         }
8691                 }),
8692                 props = animation.props;
8694         propFilter( props, animation.opts.specialEasing );
8696         for ( ; index < length ; index++ ) {
8697                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
8698                 if ( result ) {
8699                         return result;
8700                 }
8701         }
8703         createTweens( animation, props );
8705         if ( jQuery.isFunction( animation.opts.start ) ) {
8706                 animation.opts.start.call( elem, animation );
8707         }
8709         jQuery.fx.timer(
8710                 jQuery.extend( tick, {
8711                         anim: animation,
8712                         queue: animation.opts.queue,
8713                         elem: elem
8714                 })
8715         );
8717         // attach callbacks from options
8718         return animation.progress( animation.opts.progress )
8719                 .done( animation.opts.done, animation.opts.complete )
8720                 .fail( animation.opts.fail )
8721                 .always( animation.opts.always );
8724 function propFilter( props, specialEasing ) {
8725         var index, name, easing, value, hooks;
8727         // camelCase, specialEasing and expand cssHook pass
8728         for ( index in props ) {
8729                 name = jQuery.camelCase( index );
8730                 easing = specialEasing[ name ];
8731                 value = props[ index ];
8732                 if ( jQuery.isArray( value ) ) {
8733                         easing = value[ 1 ];
8734                         value = props[ index ] = value[ 0 ];
8735                 }
8737                 if ( index !== name ) {
8738                         props[ name ] = value;
8739                         delete props[ index ];
8740                 }
8742                 hooks = jQuery.cssHooks[ name ];
8743                 if ( hooks && "expand" in hooks ) {
8744                         value = hooks.expand( value );
8745                         delete props[ name ];
8747                         // not quite $.extend, this wont overwrite keys already present.
8748                         // also - reusing 'index' from above because we have the correct "name"
8749                         for ( index in value ) {
8750                                 if ( !( index in props ) ) {
8751                                         props[ index ] = value[ index ];
8752                                         specialEasing[ index ] = easing;
8753                                 }
8754                         }
8755                 } else {
8756                         specialEasing[ name ] = easing;
8757                 }
8758         }
8761 jQuery.Animation = jQuery.extend( Animation, {
8763         tweener: function( props, callback ) {
8764                 if ( jQuery.isFunction( props ) ) {
8765                         callback = props;
8766                         props = [ "*" ];
8767                 } else {
8768                         props = props.split(" ");
8769                 }
8771                 var prop,
8772                         index = 0,
8773                         length = props.length;
8775                 for ( ; index < length ; index++ ) {
8776                         prop = props[ index ];
8777                         tweeners[ prop ] = tweeners[ prop ] || [];
8778                         tweeners[ prop ].unshift( callback );
8779                 }
8780         },
8782         prefilter: function( callback, prepend ) {
8783                 if ( prepend ) {
8784                         animationPrefilters.unshift( callback );
8785                 } else {
8786                         animationPrefilters.push( callback );
8787                 }
8788         }
8791 function defaultPrefilter( elem, props, opts ) {
8792         var index, prop, value, length, dataShow, toggle, tween, hooks, oldfire,
8793                 anim = this,
8794                 style = elem.style,
8795                 orig = {},
8796                 handled = [],
8797                 hidden = elem.nodeType && isHidden( elem );
8799         // handle queue: false promises
8800         if ( !opts.queue ) {
8801                 hooks = jQuery._queueHooks( elem, "fx" );
8802                 if ( hooks.unqueued == null ) {
8803                         hooks.unqueued = 0;
8804                         oldfire = hooks.empty.fire;
8805                         hooks.empty.fire = function() {
8806                                 if ( !hooks.unqueued ) {
8807                                         oldfire();
8808                                 }
8809                         };
8810                 }
8811                 hooks.unqueued++;
8813                 anim.always(function() {
8814                         // doing this makes sure that the complete handler will be called
8815                         // before this completes
8816                         anim.always(function() {
8817                                 hooks.unqueued--;
8818                                 if ( !jQuery.queue( elem, "fx" ).length ) {
8819                                         hooks.empty.fire();
8820                                 }
8821                         });
8822                 });
8823         }
8825         // height/width overflow pass
8826         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
8827                 // Make sure that nothing sneaks out
8828                 // Record all 3 overflow attributes because IE does not
8829                 // change the overflow attribute when overflowX and
8830                 // overflowY are set to the same value
8831                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
8833                 // Set display property to inline-block for height/width
8834                 // animations on inline elements that are having width/height animated
8835                 if ( jQuery.css( elem, "display" ) === "inline" &&
8836                                 jQuery.css( elem, "float" ) === "none" ) {
8838                         // inline-level elements accept inline-block;
8839                         // block-level elements need to be inline with layout
8840                         if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
8841                                 style.display = "inline-block";
8843                         } else {
8844                                 style.zoom = 1;
8845                         }
8846                 }
8847         }
8849         if ( opts.overflow ) {
8850                 style.overflow = "hidden";
8851                 if ( !jQuery.support.shrinkWrapBlocks ) {
8852                         anim.done(function() {
8853                                 style.overflow = opts.overflow[ 0 ];
8854                                 style.overflowX = opts.overflow[ 1 ];
8855                                 style.overflowY = opts.overflow[ 2 ];
8856                         });
8857                 }
8858         }
8861         // show/hide pass
8862         for ( index in props ) {
8863                 value = props[ index ];
8864                 if ( rfxtypes.exec( value ) ) {
8865                         delete props[ index ];
8866                         toggle = toggle || value === "toggle";
8867                         if ( value === ( hidden ? "hide" : "show" ) ) {
8868                                 continue;
8869                         }
8870                         handled.push( index );
8871                 }
8872         }
8874         length = handled.length;
8875         if ( length ) {
8876                 dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
8877                 if ( "hidden" in dataShow ) {
8878                         hidden = dataShow.hidden;
8879                 }
8881                 // store state if its toggle - enables .stop().toggle() to "reverse"
8882                 if ( toggle ) {
8883                         dataShow.hidden = !hidden;
8884                 }
8885                 if ( hidden ) {
8886                         jQuery( elem ).show();
8887                 } else {
8888                         anim.done(function() {
8889                                 jQuery( elem ).hide();
8890                         });
8891                 }
8892                 anim.done(function() {
8893                         var prop;
8894                         jQuery.removeData( elem, "fxshow", true );
8895                         for ( prop in orig ) {
8896                                 jQuery.style( elem, prop, orig[ prop ] );
8897                         }
8898                 });
8899                 for ( index = 0 ; index < length ; index++ ) {
8900                         prop = handled[ index ];
8901                         tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
8902                         orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );
8904                         if ( !( prop in dataShow ) ) {
8905                                 dataShow[ prop ] = tween.start;
8906                                 if ( hidden ) {
8907                                         tween.end = tween.start;
8908                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
8909                                 }
8910                         }
8911                 }
8912         }
8915 function Tween( elem, options, prop, end, easing ) {
8916         return new Tween.prototype.init( elem, options, prop, end, easing );
8918 jQuery.Tween = Tween;
8920 Tween.prototype = {
8921         constructor: Tween,
8922         init: function( elem, options, prop, end, easing, unit ) {
8923                 this.elem = elem;
8924                 this.prop = prop;
8925                 this.easing = easing || "swing";
8926                 this.options = options;
8927                 this.start = this.now = this.cur();
8928                 this.end = end;
8929                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
8930         },
8931         cur: function() {
8932                 var hooks = Tween.propHooks[ this.prop ];
8934                 return hooks && hooks.get ?
8935                         hooks.get( this ) :
8936                         Tween.propHooks._default.get( this );
8937         },
8938         run: function( percent ) {
8939                 var eased,
8940                         hooks = Tween.propHooks[ this.prop ];
8942                 if ( this.options.duration ) {
8943                         this.pos = eased = jQuery.easing[ this.easing ](
8944                                 percent, this.options.duration * percent, 0, 1, this.options.duration
8945                         );
8946                 } else {
8947                         this.pos = eased = percent;
8948                 }
8949                 this.now = ( this.end - this.start ) * eased + this.start;
8951                 if ( this.options.step ) {
8952                         this.options.step.call( this.elem, this.now, this );
8953                 }
8955                 if ( hooks && hooks.set ) {
8956                         hooks.set( this );
8957                 } else {
8958                         Tween.propHooks._default.set( this );
8959                 }
8960                 return this;
8961         }
8964 Tween.prototype.init.prototype = Tween.prototype;
8966 Tween.propHooks = {
8967         _default: {
8968                 get: function( tween ) {
8969                         var result;
8971                         if ( tween.elem[ tween.prop ] != null &&
8972                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
8973                                 return tween.elem[ tween.prop ];
8974                         }
8976                         // passing any value as a 4th parameter to .css will automatically
8977                         // attempt a parseFloat and fallback to a string if the parse fails
8978                         // so, simple values such as "10px" are parsed to Float.
8979                         // complex values such as "rotate(1rad)" are returned as is.
8980                         result = jQuery.css( tween.elem, tween.prop, false, "" );
8981                         // Empty strings, null, undefined and "auto" are converted to 0.
8982                         return !result || result === "auto" ? 0 : result;
8983                 },
8984                 set: function( tween ) {
8985                         // use step hook for back compat - use cssHook if its there - use .style if its
8986                         // available and use plain properties where available
8987                         if ( jQuery.fx.step[ tween.prop ] ) {
8988                                 jQuery.fx.step[ tween.prop ]( tween );
8989                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
8990                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
8991                         } else {
8992                                 tween.elem[ tween.prop ] = tween.now;
8993                         }
8994                 }
8995         }
8998 // Remove in 2.0 - this supports IE8's panic based approach
8999 // to setting things on disconnected nodes
9001 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
9002         set: function( tween ) {
9003                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
9004                         tween.elem[ tween.prop ] = tween.now;
9005                 }
9006         }
9009 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
9010         var cssFn = jQuery.fn[ name ];
9011         jQuery.fn[ name ] = function( speed, easing, callback ) {
9012                 return speed == null || typeof speed === "boolean" ||
9013                         // special check for .toggle( handler, handler, ... )
9014                         ( !i && jQuery.isFunction( speed ) && jQuery.isFunction( easing ) ) ?
9015                         cssFn.apply( this, arguments ) :
9016                         this.animate( genFx( name, true ), speed, easing, callback );
9017         };
9020 jQuery.fn.extend({
9021         fadeTo: function( speed, to, easing, callback ) {
9023                 // show any hidden elements after setting opacity to 0
9024                 return this.filter( isHidden ).css( "opacity", 0 ).show()
9026                         // animate to the value specified
9027                         .end().animate({ opacity: to }, speed, easing, callback );
9028         },
9029         animate: function( prop, speed, easing, callback ) {
9030                 var empty = jQuery.isEmptyObject( prop ),
9031                         optall = jQuery.speed( speed, easing, callback ),
9032                         doAnimation = function() {
9033                                 // Operate on a copy of prop so per-property easing won't be lost
9034                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
9036                                 // Empty animations resolve immediately
9037                                 if ( empty ) {
9038                                         anim.stop( true );
9039                                 }
9040                         };
9042                 return empty || optall.queue === false ?
9043                         this.each( doAnimation ) :
9044                         this.queue( optall.queue, doAnimation );
9045         },
9046         stop: function( type, clearQueue, gotoEnd ) {
9047                 var stopQueue = function( hooks ) {
9048                         var stop = hooks.stop;
9049                         delete hooks.stop;
9050                         stop( gotoEnd );
9051                 };
9053                 if ( typeof type !== "string" ) {
9054                         gotoEnd = clearQueue;
9055                         clearQueue = type;
9056                         type = undefined;
9057                 }
9058                 if ( clearQueue && type !== false ) {
9059                         this.queue( type || "fx", [] );
9060                 }
9062                 return this.each(function() {
9063                         var dequeue = true,
9064                                 index = type != null && type + "queueHooks",
9065                                 timers = jQuery.timers,
9066                                 data = jQuery._data( this );
9068                         if ( index ) {
9069                                 if ( data[ index ] && data[ index ].stop ) {
9070                                         stopQueue( data[ index ] );
9071                                 }
9072                         } else {
9073                                 for ( index in data ) {
9074                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
9075                                                 stopQueue( data[ index ] );
9076                                         }
9077                                 }
9078                         }
9080                         for ( index = timers.length; index--; ) {
9081                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
9082                                         timers[ index ].anim.stop( gotoEnd );
9083                                         dequeue = false;
9084                                         timers.splice( index, 1 );
9085                                 }
9086                         }
9088                         // start the next in the queue if the last step wasn't forced
9089                         // timers currently will call their complete callbacks, which will dequeue
9090                         // but only if they were gotoEnd
9091                         if ( dequeue || !gotoEnd ) {
9092                                 jQuery.dequeue( this, type );
9093                         }
9094                 });
9095         }
9098 // Generate parameters to create a standard animation
9099 function genFx( type, includeWidth ) {
9100         var which,
9101                 attrs = { height: type },
9102                 i = 0;
9104         // if we include width, step value is 1 to do all cssExpand values,
9105         // if we don't include width, step value is 2 to skip over Left and Right
9106         includeWidth = includeWidth? 1 : 0;
9107         for( ; i < 4 ; i += 2 - includeWidth ) {
9108                 which = cssExpand[ i ];
9109                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
9110         }
9112         if ( includeWidth ) {
9113                 attrs.opacity = attrs.width = type;
9114         }
9116         return attrs;
9119 // Generate shortcuts for custom animations
9120 jQuery.each({
9121         slideDown: genFx("show"),
9122         slideUp: genFx("hide"),
9123         slideToggle: genFx("toggle"),
9124         fadeIn: { opacity: "show" },
9125         fadeOut: { opacity: "hide" },
9126         fadeToggle: { opacity: "toggle" }
9127 }, function( name, props ) {
9128         jQuery.fn[ name ] = function( speed, easing, callback ) {
9129                 return this.animate( props, speed, easing, callback );
9130         };
9133 jQuery.speed = function( speed, easing, fn ) {
9134         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
9135                 complete: fn || !fn && easing ||
9136                         jQuery.isFunction( speed ) && speed,
9137                 duration: speed,
9138                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
9139         };
9141         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
9142                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
9144         // normalize opt.queue - true/undefined/null -> "fx"
9145         if ( opt.queue == null || opt.queue === true ) {
9146                 opt.queue = "fx";
9147         }
9149         // Queueing
9150         opt.old = opt.complete;
9152         opt.complete = function() {
9153                 if ( jQuery.isFunction( opt.old ) ) {
9154                         opt.old.call( this );
9155                 }
9157                 if ( opt.queue ) {
9158                         jQuery.dequeue( this, opt.queue );
9159                 }
9160         };
9162         return opt;
9165 jQuery.easing = {
9166         linear: function( p ) {
9167                 return p;
9168         },
9169         swing: function( p ) {
9170                 return 0.5 - Math.cos( p*Math.PI ) / 2;
9171         }
9174 jQuery.timers = [];
9175 jQuery.fx = Tween.prototype.init;
9176 jQuery.fx.tick = function() {
9177         var timer,
9178                 timers = jQuery.timers,
9179                 i = 0;
9181         fxNow = jQuery.now();
9183         for ( ; i < timers.length; i++ ) {
9184                 timer = timers[ i ];
9185                 // Checks the timer has not already been removed
9186                 if ( !timer() && timers[ i ] === timer ) {
9187                         timers.splice( i--, 1 );
9188                 }
9189         }
9191         if ( !timers.length ) {
9192                 jQuery.fx.stop();
9193         }
9194         fxNow = undefined;
9197 jQuery.fx.timer = function( timer ) {
9198         if ( timer() && jQuery.timers.push( timer ) && !timerId ) {
9199                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
9200         }
9203 jQuery.fx.interval = 13;
9205 jQuery.fx.stop = function() {
9206         clearInterval( timerId );
9207         timerId = null;
9210 jQuery.fx.speeds = {
9211         slow: 600,
9212         fast: 200,
9213         // Default speed
9214         _default: 400
9217 // Back Compat <1.8 extension point
9218 jQuery.fx.step = {};
9220 if ( jQuery.expr && jQuery.expr.filters ) {
9221         jQuery.expr.filters.animated = function( elem ) {
9222                 return jQuery.grep(jQuery.timers, function( fn ) {
9223                         return elem === fn.elem;
9224                 }).length;
9225         };
9227 var rroot = /^(?:body|html)$/i;
9229 jQuery.fn.offset = function( options ) {
9230         if ( arguments.length ) {
9231                 return options === undefined ?
9232                         this :
9233                         this.each(function( i ) {
9234                                 jQuery.offset.setOffset( this, options, i );
9235                         });
9236         }
9238         var docElem, body, win, clientTop, clientLeft, scrollTop, scrollLeft,
9239                 box = { top: 0, left: 0 },
9240                 elem = this[ 0 ],
9241                 doc = elem && elem.ownerDocument;
9243         if ( !doc ) {
9244                 return;
9245         }
9247         if ( (body = doc.body) === elem ) {
9248                 return jQuery.offset.bodyOffset( elem );
9249         }
9251         docElem = doc.documentElement;
9253         // Make sure it's not a disconnected DOM node
9254         if ( !jQuery.contains( docElem, elem ) ) {
9255                 return box;
9256         }
9258         // If we don't have gBCR, just use 0,0 rather than error
9259         // BlackBerry 5, iOS 3 (original iPhone)
9260         if ( typeof elem.getBoundingClientRect !== "undefined" ) {
9261                 box = elem.getBoundingClientRect();
9262         }
9263         win = getWindow( doc );
9264         clientTop  = docElem.clientTop  || body.clientTop  || 0;
9265         clientLeft = docElem.clientLeft || body.clientLeft || 0;
9266         scrollTop  = win.pageYOffset || docElem.scrollTop;
9267         scrollLeft = win.pageXOffset || docElem.scrollLeft;
9268         return {
9269                 top: box.top  + scrollTop  - clientTop,
9270                 left: box.left + scrollLeft - clientLeft
9271         };
9274 jQuery.offset = {
9276         bodyOffset: function( body ) {
9277                 var top = body.offsetTop,
9278                         left = body.offsetLeft;
9280                 if ( jQuery.support.doesNotIncludeMarginInBodyOffset ) {
9281                         top  += parseFloat( jQuery.css(body, "marginTop") ) || 0;
9282                         left += parseFloat( jQuery.css(body, "marginLeft") ) || 0;
9283                 }
9285                 return { top: top, left: left };
9286         },
9288         setOffset: function( elem, options, i ) {
9289                 var position = jQuery.css( elem, "position" );
9291                 // set position first, in-case top/left are set even on static elem
9292                 if ( position === "static" ) {
9293                         elem.style.position = "relative";
9294                 }
9296                 var curElem = jQuery( elem ),
9297                         curOffset = curElem.offset(),
9298                         curCSSTop = jQuery.css( elem, "top" ),
9299                         curCSSLeft = jQuery.css( elem, "left" ),
9300                         calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
9301                         props = {}, curPosition = {}, curTop, curLeft;
9303                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
9304                 if ( calculatePosition ) {
9305                         curPosition = curElem.position();
9306                         curTop = curPosition.top;
9307                         curLeft = curPosition.left;
9308                 } else {
9309                         curTop = parseFloat( curCSSTop ) || 0;
9310                         curLeft = parseFloat( curCSSLeft ) || 0;
9311                 }
9313                 if ( jQuery.isFunction( options ) ) {
9314                         options = options.call( elem, i, curOffset );
9315                 }
9317                 if ( options.top != null ) {
9318                         props.top = ( options.top - curOffset.top ) + curTop;
9319                 }
9320                 if ( options.left != null ) {
9321                         props.left = ( options.left - curOffset.left ) + curLeft;
9322                 }
9324                 if ( "using" in options ) {
9325                         options.using.call( elem, props );
9326                 } else {
9327                         curElem.css( props );
9328                 }
9329         }
9333 jQuery.fn.extend({
9335         position: function() {
9336                 if ( !this[0] ) {
9337                         return;
9338                 }
9340                 var elem = this[0],
9342                 // Get *real* offsetParent
9343                 offsetParent = this.offsetParent(),
9345                 // Get correct offsets
9346                 offset       = this.offset(),
9347                 parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();
9349                 // Subtract element margins
9350                 // note: when an element has margin: auto the offsetLeft and marginLeft
9351                 // are the same in Safari causing offset.left to incorrectly be 0
9352                 offset.top  -= parseFloat( jQuery.css(elem, "marginTop") ) || 0;
9353                 offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0;
9355                 // Add offsetParent borders
9356                 parentOffset.top  += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0;
9357                 parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 0;
9359                 // Subtract the two offsets
9360                 return {
9361                         top:  offset.top  - parentOffset.top,
9362                         left: offset.left - parentOffset.left
9363                 };
9364         },
9366         offsetParent: function() {
9367                 return this.map(function() {
9368                         var offsetParent = this.offsetParent || document.body;
9369                         while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
9370                                 offsetParent = offsetParent.offsetParent;
9371                         }
9372                         return offsetParent || document.body;
9373                 });
9374         }
9378 // Create scrollLeft and scrollTop methods
9379 jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
9380         var top = /Y/.test( prop );
9382         jQuery.fn[ method ] = function( val ) {
9383                 return jQuery.access( this, function( elem, method, val ) {
9384                         var win = getWindow( elem );
9386                         if ( val === undefined ) {
9387                                 return win ? (prop in win) ? win[ prop ] :
9388                                         win.document.documentElement[ method ] :
9389                                         elem[ method ];
9390                         }
9392                         if ( win ) {
9393                                 win.scrollTo(
9394                                         !top ? val : jQuery( win ).scrollLeft(),
9395                                          top ? val : jQuery( win ).scrollTop()
9396                                 );
9398                         } else {
9399                                 elem[ method ] = val;
9400                         }
9401                 }, method, val, arguments.length, null );
9402         };
9405 function getWindow( elem ) {
9406         return jQuery.isWindow( elem ) ?
9407                 elem :
9408                 elem.nodeType === 9 ?
9409                         elem.defaultView || elem.parentWindow :
9410                         false;
9412 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
9413 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
9414         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
9415                 // margin is only for outerHeight, outerWidth
9416                 jQuery.fn[ funcName ] = function( margin, value ) {
9417                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
9418                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
9420                         return jQuery.access( this, function( elem, type, value ) {
9421                                 var doc;
9423                                 if ( jQuery.isWindow( elem ) ) {
9424                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
9425                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
9426                                         // https://github.com/jquery/jquery/pull/764
9427                                         return elem.document.documentElement[ "client" + name ];
9428                                 }
9430                                 // Get document width or height
9431                                 if ( elem.nodeType === 9 ) {
9432                                         doc = elem.documentElement;
9434                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
9435                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
9436                                         return Math.max(
9437                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
9438                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
9439                                                 doc[ "client" + name ]
9440                                         );
9441                                 }
9443                                 return value === undefined ?
9444                                         // Get width or height on the element, requesting but not forcing parseFloat
9445                                         jQuery.css( elem, type, value, extra ) :
9447                                         // Set width or height on the element
9448                                         jQuery.style( elem, type, value, extra );
9449                         }, type, chainable ? margin : undefined, chainable, null );
9450                 };
9451         });
9453 // Expose jQuery to the global object
9454 window.jQuery = window.$ = jQuery;
9456 // Expose jQuery as an AMD module, but only for AMD loaders that
9457 // understand the issues with loading multiple versions of jQuery
9458 // in a page that all might call define(). The loader will indicate
9459 // they have special allowances for multiple jQuery versions by
9460 // specifying define.amd.jQuery = true. Register as a named module,
9461 // since jQuery can be concatenated with other files that may use define,
9462 // but not use a proper concatenation script that understands anonymous
9463 // AMD modules. A named AMD is safest and most robust way to register.
9464 // Lowercase jquery is used because AMD module names are derived from
9465 // file names, and jQuery is normally delivered in a lowercase file name.
9466 // Do this after creating the global so that if an AMD module wants to call
9467 // noConflict to hide this version of jQuery, it will work.
9468 if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
9469         define( "jquery", [], function () { return jQuery; } );
9472 })( window );