Import Dromaeo to WebKit repository.
[WebKit-https.git] / PerformanceTests / Dromaeo / resources / dromaeo / web / jquery.js
1 (function(){
2 /*
3  * jQuery 1.2.3 - New Wave Javascript
4  *
5  * Copyright (c) 2008 John Resig (jquery.com)
6  * Dual licensed under the MIT (MIT-LICENSE.txt)
7  * and GPL (GPL-LICENSE.txt) licenses.
8  *
9  * $Date: 2008-02-06 00:21:25 -0500 (Wed, 06 Feb 2008) $
10  * $Rev: 4663 $
11  */
12
13 // Map over jQuery in case of overwrite
14 if ( window.jQuery )
15         var _jQuery = window.jQuery;
16
17 var jQuery = window.jQuery = function( selector, context ) {
18         // The jQuery object is actually just the init constructor 'enhanced'
19         return new jQuery.prototype.init( selector, context );
20 };
21
22 // Map over the $ in case of overwrite
23 if ( window.$ )
24         var _$ = window.$;
25         
26 // Map the jQuery namespace to the '$' one
27 window.$ = jQuery;
28
29 // A simple way to check for HTML strings or ID strings
30 // (both of which we optimize for)
31 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
32
33 // Is it a simple selector
34 var isSimple = /^.[^:#\[\.]*$/;
35
36 jQuery.fn = jQuery.prototype = {
37         init: function( selector, context ) {
38                 // Make sure that a selection was provided
39                 selector = selector || document;
40
41                 // Handle $(DOMElement)
42                 if ( selector.nodeType ) {
43                         this[0] = selector;
44                         this.length = 1;
45                         return this;
46
47                 // Handle HTML strings
48                 } else if ( typeof selector == "string" ) {
49                         // Are we dealing with HTML string or an ID?
50                         var match = quickExpr.exec( selector );
51
52                         // Verify a match, and that no context was specified for #id
53                         if ( match && (match[1] || !context) ) {
54
55                                 // HANDLE: $(html) -> $(array)
56                                 if ( match[1] )
57                                         selector = jQuery.clean( [ match[1] ], context );
58
59                                 // HANDLE: $("#id")
60                                 else {
61                                         var elem = document.getElementById( match[3] );
62
63                                         // Make sure an element was located
64                                         if ( elem )
65                                                 // Handle the case where IE and Opera return items
66                                                 // by name instead of ID
67                                                 if ( elem.id != match[3] )
68                                                         return jQuery().find( selector );
69
70                                                 // Otherwise, we inject the element directly into the jQuery object
71                                                 else {
72                                                         this[0] = elem;
73                                                         this.length = 1;
74                                                         return this;
75                                                 }
76
77                                         else
78                                                 selector = [];
79                                 }
80
81                         // HANDLE: $(expr, [context])
82                         // (which is just equivalent to: $(content).find(expr)
83                         } else
84                                 return new jQuery( context ).find( selector );
85
86                 // HANDLE: $(function)
87                 // Shortcut for document ready
88                 } else if ( jQuery.isFunction( selector ) )
89                         return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
90
91                 return this.setArray(
92                         // HANDLE: $(array)
93                         selector.constructor == Array && selector ||
94
95                         // HANDLE: $(arraylike)
96                         // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
97                         (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
98
99                         // HANDLE: $(*)
100                         [ selector ] );
101         },
102         
103         // The current version of jQuery being used
104         jquery: "1.2.3",
105
106         // The number of elements contained in the matched element set
107         size: function() {
108                 return this.length;
109         },
110         
111         // The number of elements contained in the matched element set
112         length: 0,
113
114         // Get the Nth element in the matched element set OR
115         // Get the whole matched element set as a clean array
116         get: function( num ) {
117                 return num == undefined ?
118
119                         // Return a 'clean' array
120                         jQuery.makeArray( this ) :
121
122                         // Return just the object
123                         this[ num ];
124         },
125         
126         // Take an array of elements and push it onto the stack
127         // (returning the new matched element set)
128         pushStack: function( elems ) {
129                 // Build a new jQuery matched element set
130                 var ret = jQuery( elems );
131
132                 // Add the old object onto the stack (as a reference)
133                 ret.prevObject = this;
134
135                 // Return the newly-formed element set
136                 return ret;
137         },
138         
139         // Force the current matched set of elements to become
140         // the specified array of elements (destroying the stack in the process)
141         // You should use pushStack() in order to do this, but maintain the stack
142         setArray: function( elems ) {
143                 // Resetting the length to 0, then using the native Array push
144                 // is a super-fast way to populate an object with array-like properties
145                 this.length = 0;
146                 Array.prototype.push.apply( this, elems );
147                 
148                 return this;
149         },
150
151         // Execute a callback for every element in the matched set.
152         // (You can seed the arguments with an array of args, but this is
153         // only used internally.)
154         each: function( callback, args ) {
155                 return jQuery.each( this, callback, args );
156         },
157
158         // Determine the position of an element within 
159         // the matched set of elements
160         index: function( elem ) {
161                 var ret = -1;
162
163                 // Locate the position of the desired element
164                 this.each(function(i){
165                         if ( this == elem )
166                                 ret = i;
167                 });
168
169                 return ret;
170         },
171
172         attr: function( name, value, type ) {
173                 var options = name;
174                 
175                 // Look for the case where we're accessing a style value
176                 if ( name.constructor == String )
177                         if ( value == undefined )
178                                 return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
179
180                         else {
181                                 options = {};
182                                 options[ name ] = value;
183                         }
184                 
185                 // Check to see if we're setting style values
186                 return this.each(function(i){
187                         // Set all the styles
188                         for ( name in options )
189                                 jQuery.attr(
190                                         type ?
191                                                 this.style :
192                                                 this,
193                                         name, jQuery.prop( this, options[ name ], type, i, name )
194                                 );
195                 });
196         },
197
198         css: function( key, value ) {
199                 // ignore negative width and height values
200                 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
201                         value = undefined;
202                 return this.attr( key, value, "curCSS" );
203         },
204
205         text: function( text ) {
206                 if ( typeof text != "object" && text != null )
207                         return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
208
209                 var ret = "";
210
211                 jQuery.each( text || this, function(){
212                         jQuery.each( this.childNodes, function(){
213                                 if ( this.nodeType != 8 )
214                                         ret += this.nodeType != 1 ?
215                                                 this.nodeValue :
216                                                 jQuery.fn.text( [ this ] );
217                         });
218                 });
219
220                 return ret;
221         },
222
223         wrapAll: function( html ) {
224                 if ( this[0] )
225                         // The elements to wrap the target around
226                         jQuery( html, this[0].ownerDocument )
227                                 .clone()
228                                 .insertBefore( this[0] )
229                                 .map(function(){
230                                         var elem = this;
231
232                                         while ( elem.firstChild )
233                                                 elem = elem.firstChild;
234
235                                         return elem;
236                                 })
237                                 .append(this);
238
239                 return this;
240         },
241
242         wrapInner: function( html ) {
243                 return this.each(function(){
244                         jQuery( this ).contents().wrapAll( html );
245                 });
246         },
247
248         wrap: function( html ) {
249                 return this.each(function(){
250                         jQuery( this ).wrapAll( html );
251                 });
252         },
253
254         append: function() {
255                 return this.domManip(arguments, true, false, function(elem){
256                         if (this.nodeType == 1)
257                                 this.appendChild( elem );
258                 });
259         },
260
261         prepend: function() {
262                 return this.domManip(arguments, true, true, function(elem){
263                         if (this.nodeType == 1)
264                                 this.insertBefore( elem, this.firstChild );
265                 });
266         },
267         
268         before: function() {
269                 return this.domManip(arguments, false, false, function(elem){
270                         this.parentNode.insertBefore( elem, this );
271                 });
272         },
273
274         after: function() {
275                 return this.domManip(arguments, false, true, function(elem){
276                         this.parentNode.insertBefore( elem, this.nextSibling );
277                 });
278         },
279
280         end: function() {
281                 return this.prevObject || jQuery( [] );
282         },
283
284         find: function( selector ) {
285                 var elems = jQuery.map(this, function(elem){
286                         return jQuery.find( selector, elem );
287                 });
288
289                 return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
290                         jQuery.unique( elems ) :
291                         elems );
292         },
293
294         clone: function( events ) {
295                 // Do the clone
296                 var ret = this.map(function(){
297                         if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
298                                 // IE copies events bound via attachEvent when
299                                 // using cloneNode. Calling detachEvent on the
300                                 // clone will also remove the events from the orignal
301                                 // In order to get around this, we use innerHTML.
302                                 // Unfortunately, this means some modifications to 
303                                 // attributes in IE that are actually only stored 
304                                 // as properties will not be copied (such as the
305                                 // the name attribute on an input).
306                                 var clone = this.cloneNode(true),
307                                         container = document.createElement("div");
308                                 container.appendChild(clone);
309                                 return jQuery.clean([container.innerHTML])[0];
310                         } else
311                                 return this.cloneNode(true);
312                 });
313
314                 // Need to set the expando to null on the cloned set if it exists
315                 // removeData doesn't work here, IE removes it from the original as well
316                 // this is primarily for IE but the data expando shouldn't be copied over in any browser
317                 var clone = ret.find("*").andSelf().each(function(){
318                         if ( this[ expando ] != undefined )
319                                 this[ expando ] = null;
320                 });
321                 
322                 // Copy the events from the original to the clone
323                 if ( events === true )
324                         this.find("*").andSelf().each(function(i){
325                                 if (this.nodeType == 3)
326                                         return;
327                                 var events = jQuery.data( this, "events" );
328
329                                 for ( var type in events )
330                                         for ( var handler in events[ type ] )
331                                                 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
332                         });
333
334                 // Return the cloned set
335                 return ret;
336         },
337
338         filter: function( selector ) {
339                 return this.pushStack(
340                         jQuery.isFunction( selector ) &&
341                         jQuery.grep(this, function(elem, i){
342                                 return selector.call( elem, i );
343                         }) ||
344
345                         jQuery.multiFilter( selector, this ) );
346         },
347
348         not: function( selector ) {
349                 if ( selector.constructor == String )
350                         // test special case where just one selector is passed in
351                         if ( isSimple.test( selector ) )
352                                 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
353                         else
354                                 selector = jQuery.multiFilter( selector, this );
355
356                 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
357                 return this.filter(function() {
358                         return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
359                 });
360         },
361
362         add: function( selector ) {
363                 return !selector ? this : this.pushStack( jQuery.merge( 
364                         this.get(),
365                         selector.constructor == String ? 
366                                 jQuery( selector ).get() :
367                                 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
368                                         selector : [selector] ) );
369         },
370
371         is: function( selector ) {
372                 return selector ?
373                         jQuery.multiFilter( selector, this ).length > 0 :
374                         false;
375         },
376
377         hasClass: function( selector ) {
378                 return this.is( "." + selector );
379         },
380         
381         val: function( value ) {
382                 if ( value == undefined ) {
383
384                         if ( this.length ) {
385                                 var elem = this[0];
386
387                                 // We need to handle select boxes special
388                                 if ( jQuery.nodeName( elem, "select" ) ) {
389                                         var index = elem.selectedIndex,
390                                                 values = [],
391                                                 options = elem.options,
392                                                 one = elem.type == "select-one";
393                                         
394                                         // Nothing was selected
395                                         if ( index < 0 )
396                                                 return null;
397
398                                         // Loop through all the selected options
399                                         for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
400                                                 var option = options[ i ];
401
402                                                 if ( option.selected ) {
403                                                         // Get the specifc value for the option
404                                                         value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
405                                                         
406                                                         // We don't need an array for one selects
407                                                         if ( one )
408                                                                 return value;
409                                                         
410                                                         // Multi-Selects return an array
411                                                         values.push( value );
412                                                 }
413                                         }
414                                         
415                                         return values;
416                                         
417                                 // Everything else, we just grab the value
418                                 } else
419                                         return (this[0].value || "").replace(/\r/g, "");
420
421                         }
422
423                         return undefined;
424                 }
425
426                 return this.each(function(){
427                         if ( this.nodeType != 1 )
428                                 return;
429
430                         if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
431                                 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
432                                         jQuery.inArray(this.name, value) >= 0);
433
434                         else if ( jQuery.nodeName( this, "select" ) ) {
435                                 var values = value.constructor == Array ?
436                                         value :
437                                         [ value ];
438
439                                 jQuery( "option", this ).each(function(){
440                                         this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
441                                                 jQuery.inArray( this.text, values ) >= 0);
442                                 });
443
444                                 if ( !values.length )
445                                         this.selectedIndex = -1;
446
447                         } else
448                                 this.value = value;
449                 });
450         },
451         
452         html: function( value ) {
453                 return value == undefined ?
454                         (this.length ?
455                                 this[0].innerHTML :
456                                 null) :
457                         this.empty().append( value );
458         },
459
460         replaceWith: function( value ) {
461                 return this.after( value ).remove();
462         },
463
464         eq: function( i ) {
465                 return this.slice( i, i + 1 );
466         },
467
468         slice: function() {
469                 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
470         },
471
472         map: function( callback ) {
473                 return this.pushStack( jQuery.map(this, function(elem, i){
474                         return callback.call( elem, i, elem );
475                 }));
476         },
477
478         andSelf: function() {
479                 return this.add( this.prevObject );
480         },
481
482         data: function( key, value ){
483                 var parts = key.split(".");
484                 parts[1] = parts[1] ? "." + parts[1] : "";
485
486                 if ( value == null ) {
487                         var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
488                         
489                         if ( data == undefined && this.length )
490                                 data = jQuery.data( this[0], key );
491
492                         return data == null && parts[1] ?
493                                 this.data( parts[0] ) :
494                                 data;
495                 } else
496                         return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
497                                 jQuery.data( this, key, value );
498                         });
499         },
500
501         removeData: function( key ){
502                 return this.each(function(){
503                         jQuery.removeData( this, key );
504                 });
505         },
506         
507         domManip: function( args, table, reverse, callback ) {
508                 var clone = this.length > 1, elems; 
509
510                 return this.each(function(){
511                         if ( !elems ) {
512                                 elems = jQuery.clean( args, this.ownerDocument );
513
514                                 if ( reverse )
515                                         elems.reverse();
516                         }
517
518                         var obj = this;
519
520                         if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
521                                 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
522
523                         var scripts = jQuery( [] );
524
525                         jQuery.each(elems, function(){
526                                 var elem = clone ?
527                                         jQuery( this ).clone( true )[0] :
528                                         this;
529
530                                 // execute all scripts after the elements have been injected
531                                 if ( jQuery.nodeName( elem, "script" ) ) {
532                                         scripts = scripts.add( elem );
533                                 } else {
534                                         // Remove any inner scripts for later evaluation
535                                         if ( elem.nodeType == 1 )
536                                                 scripts = scripts.add( jQuery( "script", elem ).remove() );
537
538                                         // Inject the elements into the document
539                                         callback.call( obj, elem );
540                                 }
541                         });
542
543                         scripts.each( evalScript );
544                 });
545         }
546 };
547
548 // Give the init function the jQuery prototype for later instantiation
549 jQuery.prototype.init.prototype = jQuery.prototype;
550
551 function evalScript( i, elem ) {
552         if ( elem.src )
553                 jQuery.ajax({
554                         url: elem.src,
555                         async: false,
556                         dataType: "script"
557                 });
558
559         else
560                 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
561
562         if ( elem.parentNode )
563                 elem.parentNode.removeChild( elem );
564 }
565
566 jQuery.extend = jQuery.fn.extend = function() {
567         // copy reference to target object
568         var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
569
570         // Handle a deep copy situation
571         if ( target.constructor == Boolean ) {
572                 deep = target;
573                 target = arguments[1] || {};
574                 // skip the boolean and the target
575                 i = 2;
576         }
577
578         // Handle case when target is a string or something (possible in deep copy)
579         if ( typeof target != "object" && typeof target != "function" )
580                 target = {};
581
582         // extend jQuery itself if only one argument is passed
583         if ( length == 1 ) {
584                 target = this;
585                 i = 0;
586         }
587
588         for ( ; i < length; i++ )
589                 // Only deal with non-null/undefined values
590                 if ( (options = arguments[ i ]) != null )
591                         // Extend the base object
592                         for ( var name in options ) {
593                                 // Prevent never-ending loop
594                                 if ( target === options[ name ] )
595                                         continue;
596
597                                 // Recurse if we're merging object values
598                                 if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
599                                         target[ name ] = jQuery.extend( target[ name ], options[ name ] );
600
601                                 // Don't bring in undefined values
602                                 else if ( options[ name ] != undefined )
603                                         target[ name ] = options[ name ];
604
605                         }
606
607         // Return the modified object
608         return target;
609 };
610
611 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
612
613 // exclude the following css properties to add px
614 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
615
616 jQuery.extend({
617         noConflict: function( deep ) {
618                 window.$ = _$;
619
620                 if ( deep )
621                         window.jQuery = _jQuery;
622
623                 return jQuery;
624         },
625
626         // See test/unit/core.js for details concerning this function.
627         isFunction: function( fn ) {
628                 return !!fn && typeof fn != "string" && !fn.nodeName && 
629                         fn.constructor != Array && /function/i.test( fn + "" );
630         },
631         
632         // check if an element is in a (or is an) XML document
633         isXMLDoc: function( elem ) {
634                 return elem.documentElement && !elem.body ||
635                         elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
636         },
637
638         // Evalulates a script in a global context
639         globalEval: function( data ) {
640                 data = jQuery.trim( data );
641
642                 if ( data ) {
643                         // Inspired by code by Andrea Giammarchi
644                         // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
645                         var head = document.getElementsByTagName("head")[0] || document.documentElement,
646                                 script = document.createElement("script");
647
648                         script.type = "text/javascript";
649                         if ( jQuery.browser.msie )
650                                 script.text = data;
651                         else
652                                 script.appendChild( document.createTextNode( data ) );
653
654                         head.appendChild( script );
655                         head.removeChild( script );
656                 }
657         },
658
659         nodeName: function( elem, name ) {
660                 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
661         },
662         
663         cache: {},
664         
665         data: function( elem, name, data ) {
666                 elem = elem == window ?
667                         windowData :
668                         elem;
669
670                 var id = elem[ expando ];
671
672                 // Compute a unique ID for the element
673                 if ( !id ) 
674                         id = elem[ expando ] = ++uuid;
675
676                 // Only generate the data cache if we're
677                 // trying to access or manipulate it
678                 if ( name && !jQuery.cache[ id ] )
679                         jQuery.cache[ id ] = {};
680                 
681                 // Prevent overriding the named cache with undefined values
682                 if ( data != undefined )
683                         jQuery.cache[ id ][ name ] = data;
684                 
685                 // Return the named cache data, or the ID for the element       
686                 return name ?
687                         jQuery.cache[ id ][ name ] :
688                         id;
689         },
690         
691         removeData: function( elem, name ) {
692                 elem = elem == window ?
693                         windowData :
694                         elem;
695
696                 var id = elem[ expando ];
697
698                 // If we want to remove a specific section of the element's data
699                 if ( name ) {
700                         if ( jQuery.cache[ id ] ) {
701                                 // Remove the section of cache data
702                                 delete jQuery.cache[ id ][ name ];
703
704                                 // If we've removed all the data, remove the element's cache
705                                 name = "";
706
707                                 for ( name in jQuery.cache[ id ] )
708                                         break;
709
710                                 if ( !name )
711                                         jQuery.removeData( elem );
712                         }
713
714                 // Otherwise, we want to remove all of the element's data
715                 } else {
716                         // Clean up the element expando
717                         try {
718                                 delete elem[ expando ];
719                         } catch(e){
720                                 // IE has trouble directly removing the expando
721                                 // but it's ok with using removeAttribute
722                                 if ( elem.removeAttribute )
723                                         elem.removeAttribute( expando );
724                         }
725
726                         // Completely remove the data cache
727                         delete jQuery.cache[ id ];
728                 }
729         },
730
731         // args is for internal usage only
732         each: function( object, callback, args ) {
733                 if ( args ) {
734                         if ( object.length == undefined ) {
735                                 for ( var name in object )
736                                         if ( callback.apply( object[ name ], args ) === false )
737                                                 break;
738                         } else
739                                 for ( var i = 0, length = object.length; i < length; i++ )
740                                         if ( callback.apply( object[ i ], args ) === false )
741                                                 break;
742
743                 // A special, fast, case for the most common use of each
744                 } else {
745                         if ( object.length == undefined ) {
746                                 for ( var name in object )
747                                         if ( callback.call( object[ name ], name, object[ name ] ) === false )
748                                                 break;
749                         } else
750                                 for ( var i = 0, length = object.length, value = object[0]; 
751                                         i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
752                 }
753
754                 return object;
755         },
756         
757         prop: function( elem, value, type, i, name ) {
758                         // Handle executable functions
759                         if ( jQuery.isFunction( value ) )
760                                 value = value.call( elem, i );
761                                 
762                         // Handle passing in a number to a CSS property
763                         return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
764                                 value + "px" :
765                                 value;
766         },
767
768         className: {
769                 // internal only, use addClass("class")
770                 add: function( elem, classNames ) {
771                         jQuery.each((classNames || "").split(/\s+/), function(i, className){
772                                 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
773                                         elem.className += (elem.className ? " " : "") + className;
774                         });
775                 },
776
777                 // internal only, use removeClass("class")
778                 remove: function( elem, classNames ) {
779                         if (elem.nodeType == 1)
780                                 elem.className = classNames != undefined ?
781                                         jQuery.grep(elem.className.split(/\s+/), function(className){
782                                                 return !jQuery.className.has( classNames, className );  
783                                         }).join(" ") :
784                                         "";
785                 },
786
787                 // internal only, use is(".class")
788                 has: function( elem, className ) {
789                         return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
790                 }
791         },
792
793         // A method for quickly swapping in/out CSS properties to get correct calculations
794         swap: function( elem, options, callback ) {
795                 var old = {};
796                 // Remember the old values, and insert the new ones
797                 for ( var name in options ) {
798                         old[ name ] = elem.style[ name ];
799                         elem.style[ name ] = options[ name ];
800                 }
801
802                 callback.call( elem );
803
804                 // Revert the old values
805                 for ( var name in options )
806                         elem.style[ name ] = old[ name ];
807         },
808
809         css: function( elem, name, force ) {
810                 if ( name == "width" || name == "height" ) {
811                         var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
812                 
813                         function getWH() {
814                                 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
815                                 var padding = 0, border = 0;
816                                 jQuery.each( which, function() {
817                                         padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
818                                         border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
819                                 });
820                                 val -= Math.round(padding + border);
821                         }
822                 
823                         if ( jQuery(elem).is(":visible") )
824                                 getWH();
825                         else
826                                 jQuery.swap( elem, props, getWH );
827                         
828                         return Math.max(0, val);
829                 }
830                 
831                 return jQuery.curCSS( elem, name, force );
832         },
833
834         curCSS: function( elem, name, force ) {
835                 var ret;
836
837                 // A helper method for determining if an element's values are broken
838                 function color( elem ) {
839                         if ( !jQuery.browser.safari )
840                                 return false;
841
842                         var ret = document.defaultView.getComputedStyle( elem, null );
843                         return !ret || ret.getPropertyValue("color") == "";
844                 }
845
846                 // We need to handle opacity special in IE
847                 if ( name == "opacity" && jQuery.browser.msie ) {
848                         ret = jQuery.attr( elem.style, "opacity" );
849
850                         return ret == "" ?
851                                 "1" :
852                                 ret;
853                 }
854                 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
855                 if ( jQuery.browser.opera && name == "display" ) {
856                         var save = elem.style.outline;
857                         elem.style.outline = "0 solid black";
858                         elem.style.outline = save;
859                 }
860                 
861                 // Make sure we're using the right name for getting the float value
862                 if ( name.match( /float/i ) )
863                         name = styleFloat;
864
865                 if ( !force && elem.style && elem.style[ name ] )
866                         ret = elem.style[ name ];
867
868                 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
869
870                         // Only "float" is needed here
871                         if ( name.match( /float/i ) )
872                                 name = "float";
873
874                         name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
875
876                         var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
877
878                         if ( getComputedStyle && !color( elem ) )
879                                 ret = getComputedStyle.getPropertyValue( name );
880
881                         // If the element isn't reporting its values properly in Safari
882                         // then some display: none elements are involved
883                         else {
884                                 var swap = [], stack = [];
885
886                                 // Locate all of the parent display: none elements
887                                 for ( var a = elem; a && color(a); a = a.parentNode )
888                                         stack.unshift(a);
889
890                                 // Go through and make them visible, but in reverse
891                                 // (It would be better if we knew the exact display type that they had)
892                                 for ( var i = 0; i < stack.length; i++ )
893                                         if ( color( stack[ i ] ) ) {
894                                                 swap[ i ] = stack[ i ].style.display;
895                                                 stack[ i ].style.display = "block";
896                                         }
897
898                                 // Since we flip the display style, we have to handle that
899                                 // one special, otherwise get the value
900                                 ret = name == "display" && swap[ stack.length - 1 ] != null ?
901                                         "none" :
902                                         ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
903
904                                 // Finally, revert the display styles back
905                                 for ( var i = 0; i < swap.length; i++ )
906                                         if ( swap[ i ] != null )
907                                                 stack[ i ].style.display = swap[ i ];
908                         }
909
910                         // We should always get a number back from opacity
911                         if ( name == "opacity" && ret == "" )
912                                 ret = "1";
913
914                 } else if ( elem.currentStyle ) {
915                         var camelCase = name.replace(/\-(\w)/g, function(all, letter){
916                                 return letter.toUpperCase();
917                         });
918
919                         ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
920
921                         // From the awesome hack by Dean Edwards
922                         // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
923
924                         // If we're not dealing with a regular pixel number
925                         // but a number that has a weird ending, we need to convert it to pixels
926                         if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
927                                 // Remember the original values
928                                 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
929
930                                 // Put in the new values to get a computed value out
931                                 elem.runtimeStyle.left = elem.currentStyle.left;
932                                 elem.style.left = ret || 0;
933                                 ret = elem.style.pixelLeft + "px";
934
935                                 // Revert the changed values
936                                 elem.style.left = style;
937                                 elem.runtimeStyle.left = runtimeStyle;
938                         }
939                 }
940
941                 return ret;
942         },
943         
944         clean: function( elems, context ) {
945                 var ret = [];
946                 context = context || document;
947                 // !context.createElement fails in IE with an error but returns typeof 'object'
948                 if (typeof context.createElement == 'undefined') 
949                         context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
950
951                 jQuery.each(elems, function(i, elem){
952                         if ( !elem )
953                                 return;
954
955                         if ( elem.constructor == Number )
956                                 elem = elem.toString();
957                         
958                         // Convert html string into DOM nodes
959                         if ( typeof elem == "string" ) {
960                                 // Fix "XHTML"-style tags in all browsers
961                                 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
962                                         return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
963                                                 all :
964                                                 front + "></" + tag + ">";
965                                 });
966
967                                 // Trim whitespace, otherwise indexOf won't work as expected
968                                 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
969
970                                 var wrap =
971                                         // option or optgroup
972                                         !tags.indexOf("<opt") &&
973                                         [ 1, "<select multiple='multiple'>", "</select>" ] ||
974                                         
975                                         !tags.indexOf("<leg") &&
976                                         [ 1, "<fieldset>", "</fieldset>" ] ||
977                                         
978                                         tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
979                                         [ 1, "<table>", "</table>" ] ||
980                                         
981                                         !tags.indexOf("<tr") &&
982                                         [ 2, "<table><tbody>", "</tbody></table>" ] ||
983                                         
984                                         // <thead> matched above
985                                         (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
986                                         [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
987                                         
988                                         !tags.indexOf("<col") &&
989                                         [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
990
991                                         // IE can't serialize <link> and <script> tags normally
992                                         jQuery.browser.msie &&
993                                         [ 1, "div<div>", "</div>" ] ||
994                                         
995                                         [ 0, "", "" ];
996
997                                 // Go to html and back, then peel off extra wrappers
998                                 div.innerHTML = wrap[1] + elem + wrap[2];
999                                 
1000                                 // Move to the right depth
1001                                 while ( wrap[0]-- )
1002                                         div = div.lastChild;
1003                                 
1004                                 // Remove IE's autoinserted <tbody> from table fragments
1005                                 if ( jQuery.browser.msie ) {
1006                                         
1007                                         // String was a <table>, *may* have spurious <tbody>
1008                                         var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
1009                                                 div.firstChild && div.firstChild.childNodes :
1010                                                 
1011                                                 // String was a bare <thead> or <tfoot>
1012                                                 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
1013                                                         div.childNodes :
1014                                                         [];
1015                                 
1016                                         for ( var j = tbody.length - 1; j >= 0 ; --j )
1017                                                 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
1018                                                         tbody[ j ].parentNode.removeChild( tbody[ j ] );
1019                                         
1020                                         // IE completely kills leading whitespace when innerHTML is used        
1021                                         if ( /^\s/.test( elem ) )       
1022                                                 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
1023                                 
1024                                 }
1025                                 
1026                                 elem = jQuery.makeArray( div.childNodes );
1027                         }
1028
1029                         if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1030                                 return;
1031
1032                         if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1033                                 ret.push( elem );
1034
1035                         else
1036                                 ret = jQuery.merge( ret, elem );
1037
1038                 });
1039
1040                 return ret;
1041         },
1042         
1043         attr: function( elem, name, value ) {
1044                 // don't set attributes on text and comment nodes
1045                 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1046                         return undefined;
1047
1048                 var fix = jQuery.isXMLDoc( elem ) ?
1049                         {} :
1050                         jQuery.props;
1051
1052                 // Safari mis-reports the default selected property of a hidden option
1053                 // Accessing the parent's selectedIndex property fixes it
1054                 if ( name == "selected" && jQuery.browser.safari )
1055                         elem.parentNode.selectedIndex;
1056                 
1057                 // Certain attributes only work when accessed via the old DOM 0 way
1058                 if ( fix[ name ] ) {
1059                         if ( value != undefined )
1060                                 elem[ fix[ name ] ] = value;
1061
1062                         return elem[ fix[ name ] ];
1063
1064                 } else if ( jQuery.browser.msie && name == "style" )
1065                         return jQuery.attr( elem.style, "cssText", value );
1066
1067                 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1068                         return elem.getAttributeNode( name ).nodeValue;
1069
1070                 // IE elem.getAttribute passes even for style
1071                 else if ( elem.tagName ) {
1072
1073                         if ( value != undefined ) {
1074                                 // We can't allow the type property to be changed (since it causes problems in IE)
1075                                 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1076                                         throw "type property can't be changed";
1077
1078                                 // convert the value to a string (all browsers do this but IE) see #1070
1079                                 elem.setAttribute( name, "" + value );
1080                         }
1081
1082                         if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) ) 
1083                                 return elem.getAttribute( name, 2 );
1084
1085                         return elem.getAttribute( name );
1086
1087                 // elem is actually elem.style ... set the style
1088                 } else {
1089                         // IE actually uses filters for opacity
1090                         if ( name == "opacity" && jQuery.browser.msie ) {
1091                                 if ( value != undefined ) {
1092                                         // IE has trouble with opacity if it does not have layout
1093                                         // Force it by setting the zoom level
1094                                         elem.zoom = 1; 
1095         
1096                                         // Set the alpha filter to set the opacity
1097                                         elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1098                                                 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1099                                 }
1100         
1101                                 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1102                                         (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1103                                         "";
1104                         }
1105
1106                         name = name.replace(/-([a-z])/ig, function(all, letter){
1107                                 return letter.toUpperCase();
1108                         });
1109
1110                         if ( value != undefined )
1111                                 elem[ name ] = value;
1112
1113                         return elem[ name ];
1114                 }
1115         },
1116         
1117         trim: function( text ) {
1118                 return (text || "").replace( /^\s+|\s+$/g, "" );
1119         },
1120
1121         makeArray: function( array ) {
1122                 var ret = [];
1123
1124                 // Need to use typeof to fight Safari childNodes crashes
1125                 if ( typeof array != "array" )
1126                         for ( var i = 0, length = array.length; i < length; i++ )
1127                                 ret.push( array[ i ] );
1128                 else
1129                         ret = array.slice( 0 );
1130
1131                 return ret;
1132         },
1133
1134         inArray: function( elem, array ) {
1135                 for ( var i = 0, length = array.length; i < length; i++ )
1136                         if ( array[ i ] == elem )
1137                                 return i;
1138
1139                 return -1;
1140         },
1141
1142         merge: function( first, second ) {
1143                 // We have to loop this way because IE & Opera overwrite the length
1144                 // expando of getElementsByTagName
1145
1146                 // Also, we need to make sure that the correct elements are being returned
1147                 // (IE returns comment nodes in a '*' query)
1148                 if ( jQuery.browser.msie ) {
1149                         for ( var i = 0; second[ i ]; i++ )
1150                                 if ( second[ i ].nodeType != 8 )
1151                                         first.push( second[ i ] );
1152
1153                 } else
1154                         for ( var i = 0; second[ i ]; i++ )
1155                                 first.push( second[ i ] );
1156
1157                 return first;
1158         },
1159
1160         unique: function( array ) {
1161                 var ret = [], done = {};
1162
1163                 try {
1164
1165                         for ( var i = 0, length = array.length; i < length; i++ ) {
1166                                 var id = jQuery.data( array[ i ] );
1167
1168                                 if ( !done[ id ] ) {
1169                                         done[ id ] = true;
1170                                         ret.push( array[ i ] );
1171                                 }
1172                         }
1173
1174                 } catch( e ) {
1175                         ret = array;
1176                 }
1177
1178                 return ret;
1179         },
1180
1181         grep: function( elems, callback, inv ) {
1182                 var ret = [];
1183
1184                 // Go through the array, only saving the items
1185                 // that pass the validator function
1186                 for ( var i = 0, length = elems.length; i < length; i++ )
1187                         if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1188                                 ret.push( elems[ i ] );
1189
1190                 return ret;
1191         },
1192
1193         map: function( elems, callback ) {
1194                 var ret = [];
1195
1196                 // Go through the array, translating each of the items to their
1197                 // new value (or values).
1198                 for ( var i = 0, length = elems.length; i < length; i++ ) {
1199                         var value = callback( elems[ i ], i );
1200
1201                         if ( value !== null && value != undefined ) {
1202                                 if ( value.constructor != Array )
1203                                         value = [ value ];
1204
1205                                 ret = ret.concat( value );
1206                         }
1207                 }
1208
1209                 return ret;
1210         }
1211 });
1212
1213 var userAgent = navigator.userAgent.toLowerCase();
1214
1215 // Figure out what browser is being used
1216 jQuery.browser = {
1217         version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1218         safari: /webkit/.test( userAgent ),
1219         opera: /opera/.test( userAgent ),
1220         msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1221         mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1222 };
1223
1224 var styleFloat = jQuery.browser.msie ?
1225         "styleFloat" :
1226         "cssFloat";
1227         
1228 jQuery.extend({
1229         // Check to see if the W3C box model is being used
1230         boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1231         
1232         props: {
1233                 "for": "htmlFor",
1234                 "class": "className",
1235                 "float": styleFloat,
1236                 cssFloat: styleFloat,
1237                 styleFloat: styleFloat,
1238                 innerHTML: "innerHTML",
1239                 className: "className",
1240                 value: "value",
1241                 disabled: "disabled",
1242                 checked: "checked",
1243                 readonly: "readOnly",
1244                 selected: "selected",
1245                 maxlength: "maxLength",
1246                 selectedIndex: "selectedIndex",
1247                 defaultValue: "defaultValue",
1248                 tagName: "tagName",
1249                 nodeName: "nodeName"
1250         }
1251 });
1252
1253 jQuery.each({
1254         parent: function(elem){return elem.parentNode;},
1255         parents: function(elem){return jQuery.dir(elem,"parentNode");},
1256         next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1257         prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1258         nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1259         prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1260         siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1261         children: function(elem){return jQuery.sibling(elem.firstChild);},
1262         contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1263 }, function(name, fn){
1264         jQuery.fn[ name ] = function( selector ) {
1265                 var ret = jQuery.map( this, fn );
1266
1267                 if ( selector && typeof selector == "string" )
1268                         ret = jQuery.multiFilter( selector, ret );
1269
1270                 return this.pushStack( jQuery.unique( ret ) );
1271         };
1272 });
1273
1274 jQuery.each({
1275         appendTo: "append",
1276         prependTo: "prepend",
1277         insertBefore: "before",
1278         insertAfter: "after",
1279         replaceAll: "replaceWith"
1280 }, function(name, original){
1281         jQuery.fn[ name ] = function() {
1282                 var args = arguments;
1283
1284                 return this.each(function(){
1285                         for ( var i = 0, length = args.length; i < length; i++ )
1286                                 jQuery( args[ i ] )[ original ]( this );
1287                 });
1288         };
1289 });
1290
1291 jQuery.each({
1292         removeAttr: function( name ) {
1293                 jQuery.attr( this, name, "" );
1294                 if (this.nodeType == 1) 
1295                         this.removeAttribute( name );
1296         },
1297
1298         addClass: function( classNames ) {
1299                 jQuery.className.add( this, classNames );
1300         },
1301
1302         removeClass: function( classNames ) {
1303                 jQuery.className.remove( this, classNames );
1304         },
1305
1306         toggleClass: function( classNames ) {
1307                 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1308         },
1309
1310         remove: function( selector ) {
1311                 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1312                         // Prevent memory leaks
1313                         jQuery( "*", this ).add(this).each(function(){
1314                                 jQuery.event.remove(this);
1315                                 jQuery.removeData(this);
1316                         });
1317                         if (this.parentNode)
1318                                 this.parentNode.removeChild( this );
1319                 }
1320         },
1321
1322         empty: function() {
1323                 // Remove element nodes and prevent memory leaks
1324                 jQuery( ">*", this ).remove();
1325                 
1326                 // Remove any remaining nodes
1327                 while ( this.firstChild )
1328                         this.removeChild( this.firstChild );
1329         }
1330 }, function(name, fn){
1331         jQuery.fn[ name ] = function(){
1332                 return this.each( fn, arguments );
1333         };
1334 });
1335
1336 jQuery.each([ "Height", "Width" ], function(i, name){
1337         var type = name.toLowerCase();
1338         
1339         jQuery.fn[ type ] = function( size ) {
1340                 // Get window width or height
1341                 return this[0] == window ?
1342                         // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1343                         jQuery.browser.opera && document.body[ "client" + name ] || 
1344                         
1345                         // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1346                         jQuery.browser.safari && window[ "inner" + name ] ||
1347                         
1348                         // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1349                         document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1350                 
1351                         // Get document width or height
1352                         this[0] == document ?
1353                                 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1354                                 Math.max( 
1355                                         Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]), 
1356                                         Math.max(document.body["offset" + name], document.documentElement["offset" + name]) 
1357                                 ) :
1358
1359                                 // Get or set width or height on the element
1360                                 size == undefined ?
1361                                         // Get width or height on the element
1362                                         (this.length ? jQuery.css( this[0], type ) : null) :
1363
1364                                         // Set the width or height on the element (default to pixels if value is unitless)
1365                                         this.css( type, size.constructor == String ? size : size + "px" );
1366         };
1367 });
1368
1369 var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
1370                 "(?:[\\w*_-]|\\\\.)" :
1371                 "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
1372         quickChild = new RegExp("^>\\s*(" + chars + "+)"),
1373         quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
1374         quickClass = new RegExp("^([#.]?)(" + chars + "*)");
1375
1376 jQuery.extend({
1377         expr: {
1378                 "": function(a,i,m){return m[2]=="*"||jQuery.nodeName(a,m[2]);},
1379                 "#": function(a,i,m){return a.getAttribute("id")==m[2];},
1380                 ":": {
1381                         // Position Checks
1382                         lt: function(a,i,m){return i<m[3]-0;},
1383                         gt: function(a,i,m){return i>m[3]-0;},
1384                         nth: function(a,i,m){return m[3]-0==i;},
1385                         eq: function(a,i,m){return m[3]-0==i;},
1386                         first: function(a,i){return i==0;},
1387                         last: function(a,i,m,r){return i==r.length-1;},
1388                         even: function(a,i){return i%2==0;},
1389                         odd: function(a,i){return i%2;},
1390
1391                         // Child Checks
1392                         "first-child": function(a){return a.parentNode.getElementsByTagName("*")[0]==a;},
1393                         "last-child": function(a){return jQuery.nth(a.parentNode.lastChild,1,"previousSibling")==a;},
1394                         "only-child": function(a){return !jQuery.nth(a.parentNode.lastChild,2,"previousSibling");},
1395
1396                         // Parent Checks
1397                         parent: function(a){return a.firstChild;},
1398                         empty: function(a){return !a.firstChild;},
1399
1400                         // Text Check
1401                         contains: function(a,i,m){return (a.textContent||a.innerText||jQuery(a).text()||"").indexOf(m[3])>=0;},
1402
1403                         // Visibility
1404                         visible: function(a){return "hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden";},
1405                         hidden: function(a){return "hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden";},
1406
1407                         // Form attributes
1408                         enabled: function(a){return !a.disabled;},
1409                         disabled: function(a){return a.disabled;},
1410                         checked: function(a){return a.checked;},
1411                         selected: function(a){return a.selected||jQuery.attr(a,"selected");},
1412
1413                         // Form elements
1414                         text: function(a){return "text"==a.type;},
1415                         radio: function(a){return "radio"==a.type;},
1416                         checkbox: function(a){return "checkbox"==a.type;},
1417                         file: function(a){return "file"==a.type;},
1418                         password: function(a){return "password"==a.type;},
1419                         submit: function(a){return "submit"==a.type;},
1420                         image: function(a){return "image"==a.type;},
1421                         reset: function(a){return "reset"==a.type;},
1422                         button: function(a){return "button"==a.type||jQuery.nodeName(a,"button");},
1423                         input: function(a){return /input|select|textarea|button/i.test(a.nodeName);},
1424
1425                         // :has()
1426                         has: function(a,i,m){return jQuery.find(m[3],a).length;},
1427
1428                         // :header
1429                         header: function(a){return /h\d/i.test(a.nodeName);},
1430
1431                         // :animated
1432                         animated: function(a){return jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length;}
1433                 }
1434         },
1435         
1436         // The regular expressions that power the parsing engine
1437         parse: [
1438                 // Match: [@value='test'], [@foo]
1439                 /^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
1440
1441                 // Match: :contains('foo')
1442                 /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
1443
1444                 // Match: :even, :last-chlid, #id, .class
1445                 new RegExp("^([:.#]*)(" + chars + "+)")
1446         ],
1447
1448         multiFilter: function( expr, elems, not ) {
1449                 var old, cur = [];
1450
1451                 while ( expr && expr != old ) {
1452                         old = expr;
1453                         var f = jQuery.filter( expr, elems, not );
1454                         expr = f.t.replace(/^\s*,\s*/, "" );
1455                         cur = not ? elems = f.r : jQuery.merge( cur, f.r );
1456                 }
1457
1458                 return cur;
1459         },
1460
1461         find: function( t, context ) {
1462                 // Quickly handle non-string expressions
1463                 if ( typeof t != "string" )
1464                         return [ t ];
1465
1466                 // check to make sure context is a DOM element or a document
1467                 if ( context && context.nodeType != 1 && context.nodeType != 9)
1468                         return [ ];
1469
1470                 // Set the correct context (if none is provided)
1471                 context = context || document;
1472
1473                 // Initialize the search
1474                 var ret = [context], done = [], last, nodeName;
1475
1476                 // Continue while a selector expression exists, and while
1477                 // we're no longer looping upon ourselves
1478                 while ( t && last != t ) {
1479                         var r = [];
1480                         last = t;
1481
1482                         t = jQuery.trim(t);
1483
1484                         var foundToken = false;
1485
1486                         // An attempt at speeding up child selectors that
1487                         // point to a specific element tag
1488                         var re = quickChild;
1489                         var m = re.exec(t);
1490
1491                         if ( m ) {
1492                                 nodeName = m[1].toUpperCase();
1493
1494                                 // Perform our own iteration and filter
1495                                 for ( var i = 0; ret[i]; i++ )
1496                                         for ( var c = ret[i].firstChild; c; c = c.nextSibling )
1497                                                 if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )
1498                                                         r.push( c );
1499
1500                                 ret = r;
1501                                 t = t.replace( re, "" );
1502                                 if ( t.indexOf(" ") == 0 ) continue;
1503                                 foundToken = true;
1504                         } else {
1505                                 re = /^([>+~])\s*(\w*)/i;
1506
1507                                 if ( (m = re.exec(t)) != null ) {
1508                                         r = [];
1509
1510                                         var merge = {};
1511                                         nodeName = m[2].toUpperCase();
1512                                         m = m[1];
1513
1514                                         for ( var j = 0, rl = ret.length; j < rl; j++ ) {
1515                                                 var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
1516                                                 for ( ; n; n = n.nextSibling )
1517                                                         if ( n.nodeType == 1 ) {
1518                                                                 var id = jQuery.data(n);
1519
1520                                                                 if ( m == "~" && merge[id] ) break;
1521                                                                 
1522                                                                 if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {
1523                                                                         if ( m == "~" ) merge[id] = true;
1524                                                                         r.push( n );
1525                                                                 }
1526                                                                 
1527                                                                 if ( m == "+" ) break;
1528                                                         }
1529                                         }
1530
1531                                         ret = r;
1532
1533                                         // And remove the token
1534                                         t = jQuery.trim( t.replace( re, "" ) );
1535                                         foundToken = true;
1536                                 }
1537                         }
1538
1539                         // See if there's still an expression, and that we haven't already
1540                         // matched a token
1541                         if ( t && !foundToken ) {
1542                                 // Handle multiple expressions
1543                                 if ( !t.indexOf(",") ) {
1544                                         // Clean the result set
1545                                         if ( context == ret[0] ) ret.shift();
1546
1547                                         // Merge the result sets
1548                                         done = jQuery.merge( done, ret );
1549
1550                                         // Reset the context
1551                                         r = ret = [context];
1552
1553                                         // Touch up the selector string
1554                                         t = " " + t.substr(1,t.length);
1555
1556                                 } else {
1557                                         // Optimize for the case nodeName#idName
1558                                         var re2 = quickID;
1559                                         var m = re2.exec(t);
1560                                         
1561                                         // Re-organize the results, so that they're consistent
1562                                         if ( m ) {
1563                                                 m = [ 0, m[2], m[3], m[1] ];
1564
1565                                         } else {
1566                                                 // Otherwise, do a traditional filter check for
1567                                                 // ID, class, and element selectors
1568                                                 re2 = quickClass;
1569                                                 m = re2.exec(t);
1570                                         }
1571
1572                                         m[2] = m[2].replace(/\\/g, "");
1573
1574                                         var elem = ret[ret.length-1];
1575
1576                                         // Try to do a global search by ID, where we can
1577                                         if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
1578                                                 // Optimization for HTML document case
1579                                                 var oid = elem.getElementById(m[2]);
1580                                                 
1581                                                 // Do a quick check for the existence of the actual ID attribute
1582                                                 // to avoid selecting by the name attribute in IE
1583                                                 // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
1584                                                 if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
1585                                                         oid = jQuery('[@id="'+m[2]+'"]', elem)[0];
1586
1587                                                 // Do a quick check for node name (where applicable) so
1588                                                 // that div#foo searches will be really fast
1589                                                 ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
1590                                         } else {
1591                                                 // We need to find all descendant elements
1592                                                 for ( var i = 0; ret[i]; i++ ) {
1593                                                         // Grab the tag name being searched for
1594                                                         var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];
1595
1596                                                         // Handle IE7 being really dumb about <object>s
1597                                                         if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
1598                                                                 tag = "param";
1599
1600                                                         r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
1601                                                 }
1602
1603                                                 // It's faster to filter by class and be done with it
1604                                                 if ( m[1] == "." )
1605                                                         r = jQuery.classFilter( r, m[2] );
1606
1607                                                 // Same with ID filtering
1608                                                 if ( m[1] == "#" ) {
1609                                                         var tmp = [];
1610
1611                                                         // Try to find the element with the ID
1612                                                         for ( var i = 0; r[i]; i++ )
1613                                                                 if ( r[i].getAttribute("id") == m[2] ) {
1614                                                                         tmp = [ r[i] ];
1615                                                                         break;
1616                                                                 }
1617
1618                                                         r = tmp;
1619                                                 }
1620
1621                                                 ret = r;
1622                                         }
1623
1624                                         t = t.replace( re2, "" );
1625                                 }
1626
1627                         }
1628
1629                         // If a selector string still exists
1630                         if ( t ) {
1631                                 // Attempt to filter it
1632                                 var val = jQuery.filter(t,r);
1633                                 ret = r = val.r;
1634                                 t = jQuery.trim(val.t);
1635                         }
1636                 }
1637
1638                 // An error occurred with the selector;
1639                 // just return an empty set instead
1640                 if ( t )
1641                         ret = [];
1642
1643                 // Remove the root context
1644                 if ( ret && context == ret[0] )
1645                         ret.shift();
1646
1647                 // And combine the results
1648                 done = jQuery.merge( done, ret );
1649
1650                 return done;
1651         },
1652
1653         classFilter: function(r,m,not){
1654                 m = " " + m + " ";
1655                 var tmp = [];
1656                 for ( var i = 0; r[i]; i++ ) {
1657                         var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;
1658                         if ( !not && pass || not && !pass )
1659                                 tmp.push( r[i] );
1660                 }
1661                 return tmp;
1662         },
1663
1664         filter: function(t,r,not) {
1665                 var last;
1666
1667                 // Look for common filter expressions
1668                 while ( t && t != last ) {
1669                         last = t;
1670
1671                         var p = jQuery.parse, m;
1672
1673                         for ( var i = 0; p[i]; i++ ) {
1674                                 m = p[i].exec( t );
1675
1676                                 if ( m ) {
1677                                         // Remove what we just matched
1678                                         t = t.substring( m[0].length );
1679
1680                                         m[2] = m[2].replace(/\\/g, "");
1681                                         break;
1682                                 }
1683                         }
1684
1685                         if ( !m )
1686                                 break;
1687
1688                         // :not() is a special case that can be optimized by
1689                         // keeping it out of the expression list
1690                         if ( m[1] == ":" && m[2] == "not" )
1691                                 // optimize if only one selector found (most common case)
1692                                 r = isSimple.test( m[3] ) ?
1693                                         jQuery.filter(m[3], r, true).r :
1694                                         jQuery( r ).not( m[3] );
1695
1696                         // We can get a big speed boost by filtering by class here
1697                         else if ( m[1] == "." )
1698                                 r = jQuery.classFilter(r, m[2], not);
1699
1700                         else if ( m[1] == "[" ) {
1701                                 var tmp = [], type = m[3];
1702                                 
1703                                 for ( var i = 0, rl = r.length; i < rl; i++ ) {
1704                                         var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
1705                                         
1706                                         if ( z == null || /href|src|selected/.test(m[2]) )
1707                                                 z = jQuery.attr(a,m[2]) || '';
1708
1709                                         if ( (type == "" && !!z ||
1710                                                  type == "=" && z == m[5] ||
1711                                                  type == "!=" && z != m[5] ||
1712                                                  type == "^=" && z && !z.indexOf(m[5]) ||
1713                                                  type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
1714                                                  (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
1715                                                         tmp.push( a );
1716                                 }
1717                                 
1718                                 r = tmp;
1719
1720                         // We can get a speed boost by handling nth-child here
1721                         } else if ( m[1] == ":" && m[2] == "nth-child" ) {
1722                                 var merge = {}, tmp = [],
1723                                         // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
1724                                         test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
1725                                                 m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
1726                                                 !/\D/.test(m[3]) && "0n+" + m[3] || m[3]),
1727                                         // calculate the numbers (first)n+(last) including if they are negative
1728                                         first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;
1729  
1730                                 // loop through all the elements left in the jQuery object
1731                                 for ( var i = 0, rl = r.length; i < rl; i++ ) {
1732                                         var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);
1733
1734                                         if ( !merge[id] ) {
1735                                                 var c = 1;
1736
1737                                                 for ( var n = parentNode.firstChild; n; n = n.nextSibling )
1738                                                         if ( n.nodeType == 1 )
1739                                                                 n.nodeIndex = c++;
1740
1741                                                 merge[id] = true;
1742                                         }
1743
1744                                         var add = false;
1745
1746                                         if ( first == 0 ) {
1747                                                 if ( node.nodeIndex == last )
1748                                                         add = true;
1749                                         } else if ( (node.nodeIndex - last) % first == 0 && (node.nodeIndex - last) / first >= 0 )
1750                                                 add = true;
1751
1752                                         if ( add ^ not )
1753                                                 tmp.push( node );
1754                                 }
1755
1756                                 r = tmp;
1757
1758                         // Otherwise, find the expression to execute
1759                         } else {
1760                                 var fn = jQuery.expr[ m[1] ];
1761                                 if ( typeof fn == "object" )
1762                                         fn = fn[ m[2] ];
1763
1764                                 if ( typeof fn == "string" )
1765                                         fn = eval("false||function(a,i){return " + fn + ";}");
1766
1767                                 // Execute it against the current filter
1768                                 r = jQuery.grep( r, function(elem, i){
1769                                         return fn(elem, i, m, r);
1770                                 }, not );
1771                         }
1772                 }
1773
1774                 // Return an array of filtered elements (r)
1775                 // and the modified expression string (t)
1776                 return { r: r, t: t };
1777         },
1778
1779         dir: function( elem, dir ){
1780                 var matched = [];
1781                 var cur = elem[dir];
1782                 while ( cur && cur != document ) {
1783                         if ( cur.nodeType == 1 )
1784                                 matched.push( cur );
1785                         cur = cur[dir];
1786                 }
1787                 return matched;
1788         },
1789         
1790         nth: function(cur,result,dir,elem){
1791                 result = result || 1;
1792                 var num = 0;
1793
1794                 for ( ; cur; cur = cur[dir] )
1795                         if ( cur.nodeType == 1 && ++num == result )
1796                                 break;
1797
1798                 return cur;
1799         },
1800         
1801         sibling: function( n, elem ) {
1802                 var r = [];
1803
1804                 for ( ; n; n = n.nextSibling ) {
1805                         if ( n.nodeType == 1 && (!elem || n != elem) )
1806                                 r.push( n );
1807                 }
1808
1809                 return r;
1810         }
1811 });
1812
1813 /*
1814  * A number of helper functions used for managing events.
1815  * Many of the ideas behind this code orignated from 
1816  * Dean Edwards' addEvent library.
1817  */
1818 jQuery.event = {
1819
1820         // Bind an event to an element
1821         // Original by Dean Edwards
1822         add: function(elem, types, handler, data) {
1823                 if ( elem.nodeType == 3 || elem.nodeType == 8 )
1824                         return;
1825
1826                 // For whatever reason, IE has trouble passing the window object
1827                 // around, causing it to be cloned in the process
1828                 if ( jQuery.browser.msie && elem.setInterval != undefined )
1829                         elem = window;
1830
1831                 // Make sure that the function being executed has a unique ID
1832                 if ( !handler.guid )
1833                         handler.guid = this.guid++;
1834                         
1835                 // if data is passed, bind to handler 
1836                 if( data != undefined ) { 
1837                         // Create temporary function pointer to original handler 
1838                         var fn = handler; 
1839
1840                         // Create unique handler function, wrapped around original handler 
1841                         handler = function() { 
1842                                 // Pass arguments and context to original handler 
1843                                 return fn.apply(this, arguments); 
1844                         };
1845
1846                         // Store data in unique handler 
1847                         handler.data = data;
1848
1849                         // Set the guid of unique handler to the same of original handler, so it can be removed 
1850                         handler.guid = fn.guid;
1851                 }
1852
1853                 // Init the element's event structure
1854                 var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
1855                         handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
1856                                 // returned undefined or false
1857                                 var val;
1858
1859                                 // Handle the second event of a trigger and when
1860                                 // an event is called after a page has unloaded
1861                                 if ( typeof jQuery == "undefined" || jQuery.event.triggered )
1862                                         return val;
1863                 
1864                                 val = jQuery.event.handle.apply(arguments.callee.elem, arguments);
1865                 
1866                                 return val;
1867                         });
1868                 // Add elem as a property of the handle function
1869                 // This is to prevent a memory leak with non-native
1870                 // event in IE.
1871                 handle.elem = elem;
1872                         
1873                         // Handle multiple events seperated by a space
1874                         // jQuery(...).bind("mouseover mouseout", fn);
1875                         jQuery.each(types.split(/\s+/), function(index, type) {
1876                                 // Namespaced event handlers
1877                                 var parts = type.split(".");
1878                                 type = parts[0];
1879                                 handler.type = parts[1];
1880
1881                                 // Get the current list of functions bound to this event
1882                                 var handlers = events[type];
1883
1884                                 // Init the event handler queue
1885                                 if (!handlers) {
1886                                         handlers = events[type] = {};
1887                 
1888                                         // Check for a special event handler
1889                                         // Only use addEventListener/attachEvent if the special
1890                                         // events handler returns false
1891                                         if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) {
1892                                                 // Bind the global event handler to the element
1893                                                 if (elem.addEventListener)
1894                                                         elem.addEventListener(type, handle, false);
1895                                                 else if (elem.attachEvent)
1896                                                         elem.attachEvent("on" + type, handle);
1897                                         }
1898                                 }
1899
1900                                 // Add the function to the element's handler list
1901                                 handlers[handler.guid] = handler;
1902
1903                                 // Keep track of which events have been used, for global triggering
1904                                 jQuery.event.global[type] = true;
1905                         });
1906                 
1907                 // Nullify elem to prevent memory leaks in IE
1908                 elem = null;
1909         },
1910
1911         guid: 1,
1912         global: {},
1913
1914         // Detach an event or set of events from an element
1915         remove: function(elem, types, handler) {
1916                 // don't do events on text and comment nodes
1917                 if ( elem.nodeType == 3 || elem.nodeType == 8 )
1918                         return;
1919
1920                 var events = jQuery.data(elem, "events"), ret, index;
1921
1922                 if ( events ) {
1923                         // Unbind all events for the element
1924                         if ( types == undefined || (typeof types == "string" && types.charAt(0) == ".") )
1925                                 for ( var type in events )
1926                                         this.remove( elem, type + (types || "") );
1927                         else {
1928                                 // types is actually an event object here
1929                                 if ( types.type ) {
1930                                         handler = types.handler;
1931                                         types = types.type;
1932                                 }
1933                                 
1934                                 // Handle multiple events seperated by a space
1935                                 // jQuery(...).unbind("mouseover mouseout", fn);
1936                                 jQuery.each(types.split(/\s+/), function(index, type){
1937                                         // Namespaced event handlers
1938                                         var parts = type.split(".");
1939                                         type = parts[0];
1940                                         
1941                                         if ( events[type] ) {
1942                                                 // remove the given handler for the given type
1943                                                 if ( handler )
1944                                                         delete events[type][handler.guid];
1945                         
1946                                                 // remove all handlers for the given type
1947                                                 else
1948                                                         for ( handler in events[type] )
1949                                                                 // Handle the removal of namespaced events
1950                                                                 if ( !parts[1] || events[type][handler].type == parts[1] )
1951                                                                         delete events[type][handler];
1952
1953                                                 // remove generic event handler if no more handlers exist
1954                                                 for ( ret in events[type] ) break;
1955                                                 if ( !ret ) {
1956                                                         if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false ) {
1957                                                                 if (elem.removeEventListener)
1958                                                                         elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
1959                                                                 else if (elem.detachEvent)
1960                                                                         elem.detachEvent("on" + type, jQuery.data(elem, "handle"));
1961                                                         }
1962                                                         ret = null;
1963                                                         delete events[type];
1964                                                 }
1965                                         }
1966                                 });
1967                         }
1968
1969                         // Remove the expando if it's no longer used
1970                         for ( ret in events ) break;
1971                         if ( !ret ) {
1972                                 var handle = jQuery.data( elem, "handle" );
1973                                 if ( handle ) handle.elem = null;
1974                                 jQuery.removeData( elem, "events" );
1975                                 jQuery.removeData( elem, "handle" );
1976                         }
1977                 }
1978         },
1979
1980         trigger: function(type, data, elem, donative, extra) {
1981                 // Clone the incoming data, if any
1982                 data = jQuery.makeArray(data || []);
1983
1984                 if ( type.indexOf("!") >= 0 ) {
1985                         type = type.slice(0, -1);
1986                         var exclusive = true;
1987                 }
1988
1989                 // Handle a global trigger
1990                 if ( !elem ) {
1991                         // Only trigger if we've ever bound an event for it
1992                         if ( this.global[type] )
1993                                 jQuery("*").add([window, document]).trigger(type, data);
1994
1995                 // Handle triggering a single element
1996                 } else {
1997                         // don't do events on text and comment nodes
1998                         if ( elem.nodeType == 3 || elem.nodeType == 8 )
1999                                 return undefined;
2000
2001                         var val, ret, fn = jQuery.isFunction( elem[ type ] || null ),
2002                                 // Check to see if we need to provide a fake event, or not
2003                                 event = !data[0] || !data[0].preventDefault;
2004                         
2005                         // Pass along a fake event
2006                         if ( event )
2007                                 data.unshift( this.fix({ type: type, target: elem }) );
2008
2009                         // Enforce the right trigger type
2010                         data[0].type = type;
2011                         if ( exclusive )
2012                                 data[0].exclusive = true;
2013
2014                         // Trigger the event
2015                         if ( jQuery.isFunction( jQuery.data(elem, "handle") ) )
2016                                 val = jQuery.data(elem, "handle").apply( elem, data );
2017
2018                         // Handle triggering native .onfoo handlers
2019                         if ( !fn && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
2020                                 val = false;
2021
2022                         // Extra functions don't get the custom event object
2023                         if ( event )
2024                                 data.shift();
2025
2026                         // Handle triggering of extra function
2027                         if ( extra && jQuery.isFunction( extra ) ) {
2028                                 // call the extra function and tack the current return value on the end for possible inspection
2029                                 ret = extra.apply( elem, val == null ? data : data.concat( val ) );
2030                                 // if anything is returned, give it precedence and have it overwrite the previous value
2031                                 if (ret !== undefined)
2032                                         val = ret;
2033                         }
2034
2035                         // Trigger the native events (except for clicks on links)
2036                         if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
2037                                 this.triggered = true;
2038                                 try {
2039                                         elem[ type ]();
2040                                 // prevent IE from throwing an error for some hidden elements
2041                                 } catch (e) {}
2042                         }
2043
2044                         this.triggered = false;
2045                 }
2046
2047                 return val;
2048         },
2049
2050         handle: function(event) {
2051                 // returned undefined or false
2052                 var val;
2053
2054                 // Empty object is for triggered events with no data
2055                 event = jQuery.event.fix( event || window.event || {} ); 
2056
2057                 // Namespaced event handlers
2058                 var parts = event.type.split(".");
2059                 event.type = parts[0];
2060
2061                 var handlers = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 );
2062                 args.unshift( event );
2063
2064                 for ( var j in handlers ) {
2065                         var handler = handlers[j];
2066                         // Pass in a reference to the handler function itself
2067                         // So that we can later remove it
2068                         args[0].handler = handler;
2069                         args[0].data = handler.data;
2070
2071                         // Filter the functions by class
2072                         if ( !parts[1] && !event.exclusive || handler.type == parts[1] ) {
2073                                 var ret = handler.apply( this, args );
2074
2075                                 if ( val !== false )
2076                                         val = ret;
2077
2078                                 if ( ret === false ) {
2079                                         event.preventDefault();
2080                                         event.stopPropagation();
2081                                 }
2082                         }
2083                 }
2084
2085                 // Clean up added properties in IE to prevent memory leak
2086                 if (jQuery.browser.msie)
2087                         event.target = event.preventDefault = event.stopPropagation =
2088                                 event.handler = event.data = null;
2089
2090                 return val;
2091         },
2092
2093         fix: function(event) {
2094                 // store a copy of the original event object 
2095                 // and clone to set read-only properties
2096                 var originalEvent = event;
2097                 event = jQuery.extend({}, originalEvent);
2098                 
2099                 // add preventDefault and stopPropagation since 
2100                 // they will not work on the clone
2101                 event.preventDefault = function() {
2102                         // if preventDefault exists run it on the original event
2103                         if (originalEvent.preventDefault)
2104                                 originalEvent.preventDefault();
2105                         // otherwise set the returnValue property of the original event to false (IE)
2106                         originalEvent.returnValue = false;
2107                 };
2108                 event.stopPropagation = function() {
2109                         // if stopPropagation exists run it on the original event
2110                         if (originalEvent.stopPropagation)
2111                                 originalEvent.stopPropagation();
2112                         // otherwise set the cancelBubble property of the original event to true (IE)
2113                         originalEvent.cancelBubble = true;
2114                 };
2115                 
2116                 // Fix target property, if necessary
2117                 if ( !event.target )
2118                         event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
2119                                 
2120                 // check if target is a textnode (safari)
2121                 if ( event.target.nodeType == 3 )
2122                         event.target = originalEvent.target.parentNode;
2123
2124                 // Add relatedTarget, if necessary
2125                 if ( !event.relatedTarget && event.fromElement )
2126                         event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;
2127
2128                 // Calculate pageX/Y if missing and clientX/Y available
2129                 if ( event.pageX == null && event.clientX != null ) {
2130                         var doc = document.documentElement, body = document.body;
2131                         event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0);
2132                         event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
2133                 }
2134                         
2135                 // Add which for key events
2136                 if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) )
2137                         event.which = event.charCode || event.keyCode;
2138                 
2139                 // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
2140                 if ( !event.metaKey && event.ctrlKey )
2141                         event.metaKey = event.ctrlKey;
2142
2143                 // Add which for click: 1 == left; 2 == middle; 3 == right
2144                 // Note: button is not normalized, so don't use it
2145                 if ( !event.which && event.button )
2146                         event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
2147                         
2148                 return event;
2149         },
2150         
2151         special: {
2152                 ready: {
2153                         setup: function() {
2154                                 // Make sure the ready event is setup
2155                                 bindReady();
2156                                 return;
2157                         },
2158                         
2159                         teardown: function() { return; }
2160                 },
2161                 
2162                 mouseenter: {
2163                         setup: function() {
2164                                 if ( jQuery.browser.msie ) return false;
2165                                 jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler);
2166                                 return true;
2167                         },
2168                 
2169                         teardown: function() {
2170                                 if ( jQuery.browser.msie ) return false;
2171                                 jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler);
2172                                 return true;
2173                         },
2174                         
2175                         handler: function(event) {
2176                                 // If we actually just moused on to a sub-element, ignore it
2177                                 if ( withinElement(event, this) ) return true;
2178                                 // Execute the right handlers by setting the event type to mouseenter
2179                                 arguments[0].type = "mouseenter";
2180                                 return jQuery.event.handle.apply(this, arguments);
2181                         }
2182                 },
2183         
2184                 mouseleave: {
2185                         setup: function() {
2186                                 if ( jQuery.browser.msie ) return false;
2187                                 jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler);
2188                                 return true;
2189                         },
2190                 
2191                         teardown: function() {
2192                                 if ( jQuery.browser.msie ) return false;
2193                                 jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler);
2194                                 return true;
2195                         },
2196                         
2197                         handler: function(event) {
2198                                 // If we actually just moused on to a sub-element, ignore it
2199                                 if ( withinElement(event, this) ) return true;
2200                                 // Execute the right handlers by setting the event type to mouseleave
2201                                 arguments[0].type = "mouseleave";
2202                                 return jQuery.event.handle.apply(this, arguments);
2203                         }
2204                 }
2205         }
2206 };
2207
2208 jQuery.fn.extend({
2209         bind: function( type, data, fn ) {
2210                 return type == "unload" ? this.one(type, data, fn) : this.each(function(){
2211                         jQuery.event.add( this, type, fn || data, fn && data );
2212                 });
2213         },
2214         
2215         one: function( type, data, fn ) {
2216                 return this.each(function(){
2217                         jQuery.event.add( this, type, function(event) {
2218                                 jQuery(this).unbind(event);
2219                                 return (fn || data).apply( this, arguments);
2220                         }, fn && data);
2221                 });
2222         },
2223
2224         unbind: function( type, fn ) {
2225                 return this.each(function(){
2226                         jQuery.event.remove( this, type, fn );
2227                 });
2228         },
2229
2230         trigger: function( type, data, fn ) {
2231                 return this.each(function(){
2232                         jQuery.event.trigger( type, data, this, true, fn );
2233                 });
2234         },
2235
2236         triggerHandler: function( type, data, fn ) {
2237                 if ( this[0] )
2238                         return jQuery.event.trigger( type, data, this[0], false, fn );
2239                 return undefined;
2240         },
2241
2242         toggle: function() {
2243                 // Save reference to arguments for access in closure
2244                 var args = arguments;
2245
2246                 return this.click(function(event) {
2247                         // Figure out which function to execute
2248                         this.lastToggle = 0 == this.lastToggle ? 1 : 0;
2249                         
2250                         // Make sure that clicks stop
2251                         event.preventDefault();
2252                         
2253                         // and execute the function
2254                         return args[this.lastToggle].apply( this, arguments ) || false;
2255                 });
2256         },
2257
2258         hover: function(fnOver, fnOut) {
2259                 return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut);
2260         },
2261         
2262         ready: function(fn) {
2263                 // Attach the listeners
2264                 bindReady();
2265
2266                 // If the DOM is already ready
2267                 if ( jQuery.isReady )
2268                         // Execute the function immediately
2269                         fn.call( document, jQuery );
2270                         
2271                 // Otherwise, remember the function for later
2272                 else
2273                         // Add the function to the wait list
2274                         jQuery.readyList.push( function() { return fn.call(this, jQuery); } );
2275         
2276                 return this;
2277         }
2278 });
2279
2280 jQuery.extend({
2281         isReady: false,
2282         readyList: [],
2283         // Handle when the DOM is ready
2284         ready: function() {
2285                 // Make sure that the DOM is not already loaded
2286                 if ( !jQuery.isReady ) {
2287                         // Remember that the DOM is ready
2288                         jQuery.isReady = true;
2289                         
2290                         // If there are functions bound, to execute
2291                         if ( jQuery.readyList ) {
2292                                 // Execute all of them
2293                                 jQuery.each( jQuery.readyList, function(){
2294                                         this.apply( document );
2295                                 });
2296                                 
2297                                 // Reset the list of functions
2298                                 jQuery.readyList = null;
2299                         }
2300                 
2301                         // Trigger any bound ready events
2302                         jQuery(document).triggerHandler("ready");
2303                 }
2304         }
2305 });
2306
2307 var readyBound = false;
2308
2309 function bindReady(){
2310         if ( readyBound ) return;
2311         readyBound = true;
2312
2313         // Mozilla, Opera (see further below for it) and webkit nightlies currently support this event
2314         if ( document.addEventListener && !jQuery.browser.opera)
2315                 // Use the handy event callback
2316                 document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
2317         
2318         // If IE is used and is not in a frame
2319         // Continually check to see if the document is ready
2320         if ( jQuery.browser.msie && window == top ) (function(){
2321                 if (jQuery.isReady) return;
2322                 try {
2323                         // If IE is used, use the trick by Diego Perini
2324                         // http://javascript.nwbox.com/IEContentLoaded/
2325                         document.documentElement.doScroll("left");
2326                 } catch( error ) {
2327                         setTimeout( arguments.callee, 0 );
2328                         return;
2329                 }
2330                 // and execute any waiting functions
2331                 jQuery.ready();
2332         })();
2333
2334         if ( jQuery.browser.opera )
2335                 document.addEventListener( "DOMContentLoaded", function () {
2336                         if (jQuery.isReady) return;
2337                         for (var i = 0; i < document.styleSheets.length; i++)
2338                                 if (document.styleSheets[i].disabled) {
2339                                         setTimeout( arguments.callee, 0 );
2340                                         return;
2341                                 }
2342                         // and execute any waiting functions
2343                         jQuery.ready();
2344                 }, false);
2345
2346         if ( jQuery.browser.safari ) {
2347                 var numStyles;
2348                 (function(){
2349                         if (jQuery.isReady) return;
2350                         if ( document.readyState != "loaded" && document.readyState != "complete" ) {
2351                                 setTimeout( arguments.callee, 0 );
2352                                 return;
2353                         }
2354                         if ( numStyles === undefined )
2355                                 numStyles = jQuery("style, link[rel=stylesheet]").length;
2356                         if ( document.styleSheets.length != numStyles ) {
2357                                 setTimeout( arguments.callee, 0 );
2358                                 return;
2359                         }
2360                         // and execute any waiting functions
2361                         jQuery.ready();
2362                 })();
2363         }
2364
2365         // A fallback to window.onload, that will always work
2366         jQuery.event.add( window, "load", jQuery.ready );
2367 }
2368
2369 jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
2370         "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + 
2371         "submit,keydown,keypress,keyup,error").split(","), function(i, name){
2372         
2373         // Handle event binding
2374         jQuery.fn[name] = function(fn){
2375                 return fn ? this.bind(name, fn) : this.trigger(name);
2376         };
2377 });
2378
2379 // Checks if an event happened on an element within another element
2380 // Used in jQuery.event.special.mouseenter and mouseleave handlers
2381 var withinElement = function(event, elem) {
2382         // Check if mouse(over|out) are still within the same parent element
2383         var parent = event.relatedTarget;
2384         // Traverse up the tree
2385         while ( parent && parent != elem ) try { parent = parent.parentNode; } catch(error) { parent = elem; }
2386         // Return true if we actually just moused on to a sub-element
2387         return parent == elem;
2388 };
2389
2390 // Prevent memory leaks in IE
2391 // And prevent errors on refresh with events like mouseover in other browsers
2392 // Window isn't included so as not to unbind existing unload events
2393 jQuery(window).bind("unload", function() {
2394         jQuery("*").add(document).unbind();
2395 });
2396 jQuery.fn.extend({
2397         load: function( url, params, callback ) {
2398                 if ( jQuery.isFunction( url ) )
2399                         return this.bind("load", url);
2400
2401                 var off = url.indexOf(" ");
2402                 if ( off >= 0 ) {
2403                         var selector = url.slice(off, url.length);
2404                         url = url.slice(0, off);
2405                 }
2406
2407                 callback = callback || function(){};
2408
2409                 // Default to a GET request
2410                 var type = "GET";
2411
2412                 // If the second parameter was provided
2413                 if ( params )
2414                         // If it's a function
2415                         if ( jQuery.isFunction( params ) ) {
2416                                 // We assume that it's the callback
2417                                 callback = params;
2418                                 params = null;
2419
2420                         // Otherwise, build a param string
2421                         } else {
2422                                 params = jQuery.param( params );
2423                                 type = "POST";
2424                         }
2425
2426                 var self = this;
2427
2428                 // Request the remote document
2429                 jQuery.ajax({
2430                         url: url,
2431                         type: type,
2432                         dataType: "html",
2433                         data: params,
2434                         complete: function(res, status){
2435                                 // If successful, inject the HTML into all the matched elements
2436                                 if ( status == "success" || status == "notmodified" )
2437                                         // See if a selector was specified
2438                                         self.html( selector ?
2439                                                 // Create a dummy div to hold the results
2440                                                 jQuery("<div/>")
2441                                                         // inject the contents of the document in, removing the scripts
2442                                                         // to avoid any 'Permission Denied' errors in IE
2443                                                         .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
2444
2445                                                         // Locate the specified elements
2446                                                         .find(selector) :
2447
2448                                                 // If not, just inject the full result
2449                                                 res.responseText );
2450
2451                                 self.each( callback, [res.responseText, status, res] );
2452                         }
2453                 });
2454                 return this;
2455         },
2456
2457         serialize: function() {
2458                 return jQuery.param(this.serializeArray());
2459         },
2460         serializeArray: function() {
2461                 return this.map(function(){
2462                         return jQuery.nodeName(this, "form") ?
2463                                 jQuery.makeArray(this.elements) : this;
2464                 })
2465                 .filter(function(){
2466                         return this.name && !this.disabled && 
2467                                 (this.checked || /select|textarea/i.test(this.nodeName) || 
2468                                         /text|hidden|password/i.test(this.type));
2469                 })
2470                 .map(function(i, elem){
2471                         var val = jQuery(this).val();
2472                         return val == null ? null :
2473                                 val.constructor == Array ?
2474                                         jQuery.map( val, function(val, i){
2475                                                 return {name: elem.name, value: val};
2476                                         }) :
2477                                         {name: elem.name, value: val};
2478                 }).get();
2479         }
2480 });
2481
2482 // Attach a bunch of functions for handling common AJAX events
2483 jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
2484         jQuery.fn[o] = function(f){
2485                 return this.bind(o, f);
2486         };
2487 });
2488
2489 var jsc = (new Date).getTime();
2490
2491 jQuery.extend({
2492         get: function( url, data, callback, type ) {
2493                 // shift arguments if data argument was ommited
2494                 if ( jQuery.isFunction( data ) ) {
2495                         callback = data;
2496                         data = null;
2497                 }
2498                 
2499                 return jQuery.ajax({
2500                         type: "GET",
2501                         url: url,
2502                         data: data,
2503                         success: callback,
2504                         dataType: type
2505                 });
2506         },
2507
2508         getScript: function( url, callback ) {
2509                 return jQuery.get(url, null, callback, "script");
2510         },
2511
2512         getJSON: function( url, data, callback ) {
2513                 return jQuery.get(url, data, callback, "json");
2514         },
2515
2516         post: function( url, data, callback, type ) {
2517                 if ( jQuery.isFunction( data ) ) {
2518                         callback = data;
2519                         data = {};
2520                 }
2521
2522                 return jQuery.ajax({
2523                         type: "POST",
2524                         url: url,
2525                         data: data,
2526                         success: callback,
2527                         dataType: type
2528                 });
2529         },
2530
2531         ajaxSetup: function( settings ) {
2532                 jQuery.extend( jQuery.ajaxSettings, settings );
2533         },
2534
2535         ajaxSettings: {
2536                 global: true,
2537                 type: "GET",
2538                 timeout: 0,
2539                 contentType: "application/x-www-form-urlencoded",