2 // Will speed up references to window, and allows munging its name.
4 // Will speed up references to undefined, and allows munging its name.
6 // Map over jQuery in case of overwrite
7 _jQuery = window.jQuery,
8 // Map over the $ in case of overwrite
11 jQuery = window.jQuery = window.$ = function( selector, context ) {
12 // The jQuery object is actually just the init constructor 'enhanced'
13 return selector === undefined ?
15 new jQuery.fn.init( selector, context );
18 // A simple way to check for HTML strings or ID strings
19 // (both of which we optimize for)
20 quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
21 // Is it a simple selector
22 isSimple = /^.[^:#\[\.,]*$/;
24 jQuery.fn = jQuery.prototype = {
25 init: function( selector, context ) {
26 // Handle $("") or $(null)
32 // Handle $(DOMElement)
33 if ( selector.nodeType ) {
36 this.context = selector;
40 // Handle HTML strings
41 if ( typeof selector === "string" ) {
42 // Are we dealing with HTML string or an ID?
43 var match = quickExpr.exec( selector );
45 // Verify a match, and that no context was specified for #id
46 if ( match && (match[1] || !context) ) {
48 // HANDLE: $(html) -> $(array)
50 selector = jQuery.clean( [ match[1] ], context );
54 var elem = document.getElementById( match[3] );
56 // Handle the case where IE and Opera return items
57 // by name instead of ID
58 if ( elem && elem.id != match[3] ) {
59 return rootjQuery.find( selector );
62 // Otherwise, we inject the element directly into the jQuery object
63 var ret = jQuery( elem || null );
64 ret.context = document;
65 ret.selector = selector;
69 // HANDLE: $(expr, $(...))
70 } else if ( !context || context.jquery ) {
71 return (context || rootjQuery).find( selector );
73 // HANDLE: $(expr, context)
74 // (which is just equivalent to: $(content).find(expr)
76 return jQuery( context ).find( selector );
79 // HANDLE: $(function)
80 // Shortcut for document ready
81 } else if ( jQuery.isFunction( selector ) ) {
82 return rootjQuery.ready( selector );
85 // Make sure that old selector state is passed along
86 if ( selector.selector && selector.context ) {
87 this.selector = selector.selector;
88 this.context = selector.context;
91 return this.setArray(jQuery.isArray( selector ) ?
93 jQuery.makeArray(selector));
96 // Start with an empty selector
99 // The current version of jQuery being used
102 // The number of elements contained in the matched element set
107 // Get the Nth element in the matched element set OR
108 // Get the whole matched element set as a clean array
109 get: function( num ) {
110 return num === undefined ?
112 // Return a 'clean' array
113 Array.prototype.slice.call( this ) :
115 // Return just the object
119 // Take an array of elements and push it onto the stack
120 // (returning the new matched element set)
121 pushStack: function( elems, name, selector ) {
122 // Build a new jQuery matched element set
123 var ret = jQuery( elems || null );
125 // Add the old object onto the stack (as a reference)
126 ret.prevObject = this;
128 ret.context = this.context;
130 if ( name === "find" )
131 ret.selector = this.selector + (this.selector ? " " : "") + selector;
133 ret.selector = this.selector + "." + name + "(" + selector + ")";
135 // Return the newly-formed element set
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
146 Array.prototype.push.apply( this, elems );
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 );
158 // Determine the position of an element within
159 // the matched set of elements
160 index: function( elem ) {
161 // Locate the position of the desired element
162 return jQuery.inArray(
163 // If it receives a jQuery object, the first element is used
164 elem && elem.jquery ? elem[0] : elem
168 attr: function( name, value, type ) {
171 // Look for the case where we're accessing a style value
172 if ( typeof name === "string" )
173 if ( value === undefined )
174 return this[0] && jQuery[ type || "attr" ]( this[0], name );
178 options[ name ] = value;
181 // Check to see if we're setting style values
182 return this.each(function(i){
183 // Set all the styles
184 for ( name in options )
189 name, jQuery.prop( this, options[ name ], type, i, name )
194 css: function( key, value ) {
195 // ignore negative width and height values
196 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
198 return this.attr( key, value, "curCSS" );
201 text: function( text ) {
202 if ( typeof text !== "object" && text != null )
203 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
207 jQuery.each( text || this, function(){
208 jQuery.each( this.childNodes, function(){
209 if ( this.nodeType != 8 )
210 ret += this.nodeType != 1 ?
212 jQuery.fn.text( [ this ] );
219 wrapAll: function( html ) {
221 // The elements to wrap the target around
222 var wrap = jQuery( html, this[0].ownerDocument ).clone();
224 if ( this[0].parentNode )
225 wrap.insertBefore( this[0] );
230 while ( elem.firstChild )
231 elem = elem.firstChild;
240 wrapInner: function( html ) {
241 return this.each(function(){
242 jQuery( this ).contents().wrapAll( html );
246 wrap: function( html ) {
247 return this.each(function(){
248 jQuery( this ).wrapAll( html );
253 return this.domManip(arguments, true, function(elem){
254 if (this.nodeType == 1)
255 this.appendChild( elem );
259 prepend: function() {
260 return this.domManip(arguments, true, function(elem){
261 if (this.nodeType == 1)
262 this.insertBefore( elem, this.firstChild );
267 return this.domManip(arguments, false, function(elem){
268 this.parentNode.insertBefore( elem, this );
273 return this.domManip(arguments, false, function(elem){
274 this.parentNode.insertBefore( elem, this.nextSibling );
279 return this.prevObject || jQuery(null);
282 // For internal use only.
283 // Behaves like an Array's method, not like a jQuery method.
288 find: function( selector ) {
289 var ret = this.pushStack( "", "find", selector ), length = 0;
291 for ( var i = 0, l = this.length; i < l; i++ ) {
293 jQuery.find( selector, this[i], ret );
296 // Make sure that the results are unique
297 for ( var n = length; n < ret.length; n++ ) {
298 for ( var r = 0; r < length; r++ ) {
299 if ( ret[r] === ret[n] ) {
311 clone: function( events ) {
313 var ret = this.map(function(){
314 if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
315 // IE copies events bound via attachEvent when
316 // using cloneNode. Calling detachEvent on the
317 // clone will also remove the events from the orignal
318 // In order to get around this, we use innerHTML.
319 // Unfortunately, this means some modifications to
320 // attributes in IE that are actually only stored
321 // as properties will not be copied (such as the
322 // the name attribute on an input).
323 var html = this.outerHTML;
325 var div = this.ownerDocument.createElement("div");
326 div.appendChild( this.cloneNode(true) );
327 html = div.innerHTML;
330 return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0];
332 return this.cloneNode(true);
335 // Copy the events from the original to the clone
336 if ( events === true ) {
337 var orig = this.find("*").andSelf(), i = 0;
339 ret.find("*").andSelf().each(function(){
340 if ( this.nodeName !== orig[i].nodeName )
343 var events = jQuery.data( orig[i], "events" );
345 for ( var type in events ) {
346 for ( var handler in events[ type ] ) {
347 jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
355 // Return the cloned set
359 filter: function( selector ) {
360 return this.pushStack(
361 jQuery.isFunction( selector ) &&
362 jQuery.grep(this, function(elem, i){
363 return selector.call( elem, i );
366 jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
367 return elem.nodeType === 1;
368 }) ), "filter", selector );
371 closest: function( selector ) {
372 var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
375 return this.map(function(){
377 while ( cur && cur.ownerDocument ) {
378 if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
379 jQuery.data(cur, "closest", closer);
382 cur = cur.parentNode;
388 not: function( selector ) {
389 if ( typeof selector === "string" )
390 // test special case where just one selector is passed in
391 if ( isSimple.test( selector ) )
392 return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
394 selector = jQuery.multiFilter( selector, this );
396 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
397 return this.filter(function() {
398 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
402 add: function( selector ) {
403 return this.pushStack( jQuery.unique( jQuery.merge(
405 typeof selector === "string" ?
407 jQuery.makeArray( selector )
411 is: function( selector ) {
412 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
415 hasClass: function( selector ) {
416 return !!selector && this.is( "." + selector );
419 val: function( value ) {
420 if ( value === undefined ) {
424 if( jQuery.nodeName( elem, 'option' ) )
425 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
427 // We need to handle select boxes special
428 if ( jQuery.nodeName( elem, "select" ) ) {
429 var index = elem.selectedIndex,
431 options = elem.options,
432 one = elem.type == "select-one";
434 // Nothing was selected
438 // Loop through all the selected options
439 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
440 var option = options[ i ];
442 if ( option.selected ) {
443 // Get the specifc value for the option
444 value = jQuery(option).val();
446 // We don't need an array for one selects
450 // Multi-Selects return an array
451 values.push( value );
458 // Everything else, we just grab the value
459 return (elem.value || "").replace(/\r/g, "");
466 if ( typeof value === "number" )
469 return this.each(function(){
470 if ( this.nodeType != 1 )
473 if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
474 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
475 jQuery.inArray(this.name, value) >= 0);
477 else if ( jQuery.nodeName( this, "select" ) ) {
478 var values = jQuery.makeArray(value);
480 jQuery( "option", this ).each(function(){
481 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
482 jQuery.inArray( this.text, values ) >= 0);
485 if ( !values.length )
486 this.selectedIndex = -1;
493 html: function( value ) {
494 return value === undefined ?
496 this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") :
498 this.empty().append( value );
501 replaceWith: function( value ) {
502 return this.after( value ).remove();
506 return this.slice( i, +i + 1 );
510 return this.pushStack( Array.prototype.slice.apply( this, arguments ),
511 "slice", Array.prototype.slice.call(arguments).join(",") );
514 map: function( callback ) {
515 return this.pushStack( jQuery.map(this, function(elem, i){
516 return callback.call( elem, i, elem );
520 andSelf: function() {
521 return this.add( this.prevObject );
524 domManip: function( args, table, callback ) {
526 var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
527 scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
528 first = fragment.firstChild;
531 for ( var i = 0, l = this.length; i < l; i++ )
532 callback.call( root(this[i], first), this.length > 1 || i > 0 ?
533 fragment.cloneNode(true) : fragment );
536 jQuery.each( scripts, evalScript );
541 function root( elem, cur ) {
542 return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
543 (elem.getElementsByTagName("tbody")[0] ||
544 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
550 // Give the init function the jQuery prototype for later instantiation
551 jQuery.fn.init.prototype = jQuery.fn;
553 function evalScript( i, elem ) {
562 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
564 if ( elem.parentNode )
565 elem.parentNode.removeChild( elem );
572 jQuery.extend = jQuery.fn.extend = function() {
573 // copy reference to target object
574 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
576 // Handle a deep copy situation
577 if ( typeof target === "boolean" ) {
579 target = arguments[1] || {};
580 // skip the boolean and the target
584 // Handle case when target is a string or something (possible in deep copy)
585 if ( typeof target !== "object" && !jQuery.isFunction(target) )
588 // extend jQuery itself if only one argument is passed
594 for ( ; i < length; i++ )
595 // Only deal with non-null/undefined values
596 if ( (options = arguments[ i ]) != null )
597 // Extend the base object
598 for ( var name in options ) {
599 var src = target[ name ], copy = options[ name ];
601 // Prevent never-ending loop
602 if ( target === copy )
605 // Recurse if we're merging object values
606 if ( deep && copy && typeof copy === "object" && !copy.nodeType )
607 target[ name ] = jQuery.extend( deep,
608 // Never move original objects, clone them
609 src || ( copy.length != null ? [ ] : { } )
612 // Don't bring in undefined values
613 else if ( copy !== undefined )
614 target[ name ] = copy;
618 // Return the modified object
622 // exclude the following css properties to add px
623 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
625 defaultView = document.defaultView || {},
626 toString = Object.prototype.toString;
629 noConflict: function( deep ) {
633 window.jQuery = _jQuery;
638 // See test/unit/core.js for details concerning isFunction.
639 // Since version 1.3, DOM methods and functions like alert
640 // aren't supported. They return false on IE (#2968).
641 isFunction: function( obj ) {
642 return toString.call(obj) === "[object Function]";
645 isArray: function( obj ) {
646 return toString.call(obj) === "[object Array]";
649 // check if an element is in a (or is an) XML document
650 isXMLDoc: function( elem ) {
651 return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
652 !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
655 // Evalulates a script in a global context
656 globalEval: function( data ) {
657 if ( data && /\S/.test(data) ) {
658 // Inspired by code by Andrea Giammarchi
659 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
660 var head = document.getElementsByTagName("head")[0] || document.documentElement,
661 script = document.createElement("script");
663 script.type = "text/javascript";
664 if ( jQuery.support.scriptEval )
665 script.appendChild( document.createTextNode( data ) );
669 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
670 // This arises when a base node is used (#2709).
671 head.insertBefore( script, head.firstChild );
672 head.removeChild( script );
676 nodeName: function( elem, name ) {
677 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
680 // args is for internal usage only
681 each: function( object, callback, args ) {
682 var name, i = 0, length = object.length;
685 if ( length === undefined ) {
686 for ( name in object )
687 if ( callback.apply( object[ name ], args ) === false )
690 for ( ; i < length; )
691 if ( callback.apply( object[ i++ ], args ) === false )
694 // A special, fast, case for the most common use of each
696 if ( length === undefined ) {
697 for ( name in object )
698 if ( callback.call( object[ name ], name, object[ name ] ) === false )
701 for ( var value = object[0];
702 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
708 prop: function( elem, value, type, i, name ) {
709 // Handle executable functions
710 if ( jQuery.isFunction( value ) )
711 value = value.call( elem, i );
713 // Handle passing in a number to a CSS property
714 return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
720 // internal only, use addClass("class")
721 add: function( elem, classNames ) {
722 jQuery.each((classNames || "").split(/\s+/), function(i, className){
723 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
724 elem.className += (elem.className ? " " : "") + className;
728 // internal only, use removeClass("class")
729 remove: function( elem, classNames ) {
730 if (elem.nodeType == 1)
731 elem.className = classNames !== undefined ?
732 jQuery.grep(elem.className.split(/\s+/), function(className){
733 return !jQuery.className.has( classNames, className );
738 // internal only, use hasClass("class")
739 has: function( elem, className ) {
740 return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
744 // A method for quickly swapping in/out CSS properties to get correct calculations
745 swap: function( elem, options, callback ) {
747 // Remember the old values, and insert the new ones
748 for ( var name in options ) {
749 old[ name ] = elem.style[ name ];
750 elem.style[ name ] = options[ name ];
753 callback.call( elem );
755 // Revert the old values
756 for ( var name in options )
757 elem.style[ name ] = old[ name ];
760 css: function( elem, name, force, extra ) {
761 if ( name == "width" || name == "height" ) {
762 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
765 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
767 if ( extra === "border" )
770 jQuery.each( which, function() {
772 val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
773 if ( extra === "margin" )
774 val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
776 val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
780 if ( elem.offsetWidth !== 0 )
783 jQuery.swap( elem, props, getWH );
785 return Math.max(0, Math.round(val));
788 return jQuery.curCSS( elem, name, force );
791 curCSS: function( elem, name, force ) {
792 var ret, style = elem.style;
794 // We need to handle opacity special in IE
795 if ( name == "opacity" && !jQuery.support.opacity ) {
796 ret = jQuery.attr( style, "opacity" );
803 // Make sure we're using the right name for getting the float value
804 if ( name.match( /float/i ) )
807 if ( !force && style && style[ name ] )
810 else if ( defaultView.getComputedStyle ) {
812 // Only "float" is needed here
813 if ( name.match( /float/i ) )
816 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
818 var computedStyle = defaultView.getComputedStyle( elem, null );
821 ret = computedStyle.getPropertyValue( name );
823 // We should always get a number back from opacity
824 if ( name == "opacity" && ret == "" )
827 } else if ( elem.currentStyle ) {
828 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
829 return letter.toUpperCase();
832 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
834 // From the awesome hack by Dean Edwards
835 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
837 // If we're not dealing with a regular pixel number
838 // but a number that has a weird ending, we need to convert it to pixels
839 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
840 // Remember the original values
841 var left = style.left, rsLeft = elem.runtimeStyle.left;
843 // Put in the new values to get a computed value out
844 elem.runtimeStyle.left = elem.currentStyle.left;
845 style.left = ret || 0;
846 ret = style.pixelLeft + "px";
848 // Revert the changed values
850 elem.runtimeStyle.left = rsLeft;
857 clean: function( elems, context, fragment ) {
858 context = context || document;
860 // !context.createElement fails in IE with an error but returns typeof 'object'
861 if ( typeof context.createElement === "undefined" )
862 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
864 // If a single string is passed in and it's a single tag
865 // just do a createElement and skip the rest
866 if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
867 var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
869 return [ context.createElement( match[1] ) ];
872 var ret = [], scripts = [], div = context.createElement("div");
874 jQuery.each(elems, function(i, elem){
875 if ( typeof elem === "number" )
881 // Convert html string into DOM nodes
882 if ( typeof elem === "string" ) {
883 // Fix "XHTML"-style tags in all browsers
884 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
885 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
887 front + "></" + tag + ">";
890 // Trim whitespace, otherwise indexOf won't work as expected
891 var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
894 // option or optgroup
895 !tags.indexOf("<opt") &&
896 [ 1, "<select multiple='multiple'>", "</select>" ] ||
898 !tags.indexOf("<leg") &&
899 [ 1, "<fieldset>", "</fieldset>" ] ||
901 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
902 [ 1, "<table>", "</table>" ] ||
904 !tags.indexOf("<tr") &&
905 [ 2, "<table><tbody>", "</tbody></table>" ] ||
907 // <thead> matched above
908 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
909 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
911 !tags.indexOf("<col") &&
912 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
914 // IE can't serialize <link> and <script> tags normally
915 !jQuery.support.htmlSerialize &&
916 [ 1, "div<div>", "</div>" ] ||
920 // Go to html and back, then peel off extra wrappers
921 div.innerHTML = wrap[1] + elem + wrap[2];
923 // Move to the right depth
927 // Remove IE's autoinserted <tbody> from table fragments
928 if ( !jQuery.support.tbody ) {
930 // String was a <table>, *may* have spurious <tbody>
931 var hasBody = /<tbody/i.test(elem),
932 tbody = !tags.indexOf("<table") && !hasBody ?
933 div.firstChild && div.firstChild.childNodes :
935 // String was a bare <thead> or <tfoot>
936 wrap[1] == "<table>" && !hasBody ?
940 for ( var j = tbody.length - 1; j >= 0 ; --j )
941 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
942 tbody[ j ].parentNode.removeChild( tbody[ j ] );
946 // IE completely kills leading whitespace when innerHTML is used
947 if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
948 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
950 elem = jQuery.makeArray( div.childNodes );
956 ret = jQuery.merge( ret, elem );
961 for ( var i = 0; ret[i]; i++ ) {
962 if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
963 scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
965 if ( ret[i].nodeType === 1 )
966 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
967 fragment.appendChild( ret[i] );
977 attr: function( elem, name, value ) {
978 // don't set attributes on text and comment nodes
979 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
982 var notxml = !jQuery.isXMLDoc( elem ),
983 // Whether we are setting (or getting)
984 set = value !== undefined;
986 // Try to normalize/fix the name
987 name = notxml && jQuery.props[ name ] || name;
989 // Only do all the following if this is a node (faster for style)
990 // IE elem.getAttribute passes even for style
991 if ( elem.tagName ) {
993 // These attributes require special treatment
994 var special = /href|src|style/.test( name );
996 // Safari mis-reports the default selected property of a hidden option
997 // Accessing the parent's selectedIndex property fixes it
998 if ( name == "selected" && elem.parentNode )
999 elem.parentNode.selectedIndex;
1001 // If applicable, access the attribute via the DOM 0 way
1002 if ( name in elem && notxml && !special ) {
1004 // We can't allow the type property to be changed (since it causes problems in IE)
1005 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1006 throw "type property can't be changed";
1008 elem[ name ] = value;
1011 // browsers index elements by id/name on forms, give priority to attributes.
1012 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
1013 return elem.getAttributeNode( name ).nodeValue;
1015 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
1016 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
1017 if ( name == "tabIndex" ) {
1018 var attributeNode = elem.getAttributeNode( "tabIndex" );
1019 return attributeNode && attributeNode.specified
1020 ? attributeNode.value
1021 : elem.nodeName.match(/(button|input|object|select|textarea)/i)
1023 : elem.nodeName.match(/^(a|area)$/i) && elem.href
1028 return elem[ name ];
1031 if ( !jQuery.support.style && notxml && name == "style" )
1032 return jQuery.attr( elem.style, "cssText", value );
1035 // convert the value to a string (all browsers do this but IE) see #1070
1036 elem.setAttribute( name, "" + value );
1038 var attr = !jQuery.support.hrefNormalized && notxml && special
1039 // Some attributes require a special call on IE
1040 ? elem.getAttribute( name, 2 )
1041 : elem.getAttribute( name );
1043 // Non-existent attributes return null, we normalize to undefined
1044 return attr === null ? undefined : attr;
1047 // elem is actually elem.style ... set the style
1049 // IE uses filters for opacity
1050 if ( !jQuery.support.opacity && name == "opacity" ) {
1052 // IE has trouble with opacity if it does not have layout
1053 // Force it by setting the zoom level
1056 // Set the alpha filter to set the opacity
1057 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1058 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1061 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1062 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1066 name = name.replace(/-([a-z])/ig, function(all, letter){
1067 return letter.toUpperCase();
1071 elem[ name ] = value;
1073 return elem[ name ];
1076 trim: function( text ) {
1077 return (text || "").replace( /^\s+|\s+$/g, "" );
1080 makeArray: function( array ) {
1083 if( array != null ){
1084 var i = array.length;
1085 // The window, strings (and functions) also have 'length'
1086 if( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval )
1090 ret[--i] = array[i];
1096 inArray: function( elem, array ) {
1097 for ( var i = 0, length = array.length; i < length; i++ )
1098 // Use === because on IE, window == document
1099 if ( array[ i ] === elem )
1105 merge: function( first, second ) {
1106 // We have to loop this way because IE & Opera overwrite the length
1107 // expando of getElementsByTagName
1108 var i = 0, elem, pos = first.length;
1109 // Also, we need to make sure that the correct elements are being returned
1110 // (IE returns comment nodes in a '*' query)
1111 if ( !jQuery.support.getAll ) {
1112 while ( (elem = second[ i++ ]) != null )
1113 if ( elem.nodeType != 8 )
1114 first[ pos++ ] = elem;
1117 while ( (elem = second[ i++ ]) != null )
1118 first[ pos++ ] = elem;
1123 unique: function( array ) {
1124 var ret = [], done = {};
1128 for ( var i = 0, length = array.length; i < length; i++ ) {
1129 var id = jQuery.data( array[ i ] );
1131 if ( !done[ id ] ) {
1133 ret.push( array[ i ] );
1144 grep: function( elems, callback, inv ) {
1147 // Go through the array, only saving the items
1148 // that pass the validator function
1149 for ( var i = 0, length = elems.length; i < length; i++ )
1150 if ( !inv != !callback( elems[ i ], i ) )
1151 ret.push( elems[ i ] );
1156 map: function( elems, callback ) {
1159 // Go through the array, translating each of the items to their
1160 // new value (or values).
1161 for ( var i = 0, length = elems.length; i < length; i++ ) {
1162 var value = callback( elems[ i ], i );
1164 if ( value != null )
1165 ret[ ret.length ] = value;
1168 return ret.concat.apply( [], ret );
1172 // All jQuery objects should point back to these
1173 var rootjQuery = jQuery(document);
1175 // Use of jQuery.browser is deprecated.
1176 // It's included for backwards compatibility and plugins,
1177 // although they should work to migrate away.
1179 var userAgent = navigator.userAgent.toLowerCase();
1181 // Figure out what browser is being used
1183 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1184 safari: /webkit/.test( userAgent ),
1185 opera: /opera/.test( userAgent ),
1186 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1187 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1191 parent: function(elem){return elem.parentNode;},
1192 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1193 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1194 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1195 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1196 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1197 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1198 children: function(elem){return jQuery.sibling(elem.firstChild);},
1199 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1200 }, function(name, fn){
1201 jQuery.fn[ name ] = function( selector ) {
1202 var ret = jQuery.map( this, fn );
1204 if ( selector && typeof selector == "string" )
1205 ret = jQuery.multiFilter( selector, ret );
1207 return this.pushStack( jQuery.unique( ret ), name, selector );
1213 prependTo: "prepend",
1214 insertBefore: "before",
1215 insertAfter: "after",
1216 replaceAll: "replaceWith"
1217 }, function(name, original){
1218 jQuery.fn[ name ] = function( selector ) {
1219 var ret = [], insert = jQuery( selector );
1221 for ( var i = 0, l = insert.length; i < l; i++ ) {
1222 var elems = (i > 0 ? this.clone(true) : this).get();
1223 jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
1224 ret = ret.concat( elems );
1227 return this.pushStack( ret, name, selector );
1232 removeAttr: function( name ) {
1233 jQuery.attr( this, name, "" );
1234 if (this.nodeType == 1)
1235 this.removeAttribute( name );
1238 addClass: function( classNames ) {
1239 jQuery.className.add( this, classNames );
1242 removeClass: function( classNames ) {
1243 jQuery.className.remove( this, classNames );
1246 toggleClass: function( classNames, state ) {
1247 if( typeof state !== "boolean" )
1248 state = !jQuery.className.has( this, classNames );
1249 jQuery.className[ state ? "add" : "remove" ]( this, classNames );
1252 remove: function( selector ) {
1253 if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
1254 if ( this.nodeType === 1 ) {
1255 cleanData( this.getElementsByTagName("*") );
1256 cleanData( [this] );
1259 if ( this.parentNode ) {
1260 this.parentNode.removeChild( this );
1266 // Remove element nodes and prevent memory leaks
1267 if ( this.nodeType === 1 ) {
1268 cleanData( this.getElementsByTagName("*") );
1271 // Remove any remaining nodes
1272 while ( this.firstChild ) {
1273 this.removeChild( this.firstChild );
1276 }, function(name, fn){
1277 jQuery.fn[ name ] = function(){
1278 return this.each( fn, arguments );
1282 function cleanData( elems ) {
1283 for ( var i = 0, l = elems.length; i < l; i++ ) {
1284 var id = elems[i][expando];
1286 delete jQuery.cache[ id ];
1291 // Helper function used by the dimensions and offset modules
1292 function num(elem, prop) {
1293 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;