2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2008 John Resig (jquery.com)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
12 // Map over jQuery in case of overwrite
13 var _jQuery = window.jQuery,
14 // Map over the $ in case of overwrite
17 var jQuery = window.jQuery = window.$ = function( selector, context ) {
18 // The jQuery object is actually just the init constructor 'enhanced'
19 return new jQuery.fn.init( selector, context );
22 // A simple way to check for HTML strings or ID strings
23 // (both of which we optimize for)
24 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
26 // Is it a simple selector
27 isSimple = /^.[^:#\[\.]*$/,
29 // Will speed up references to undefined, and allows munging its name.
32 jQuery.fn = jQuery.prototype = {
33 init: function( selector, context ) {
34 // Make sure that a selection was provided
35 selector = selector || document;
37 // Handle $(DOMElement)
38 if ( selector.nodeType ) {
43 // Handle HTML strings
44 if ( typeof selector === "string" ) {
45 // Are we dealing with HTML string or an ID?
46 var match = quickExpr.exec( selector );
48 // Verify a match, and that no context was specified for #id
49 if ( match && (match[1] || !context) ) {
51 // HANDLE: $(html) -> $(array)
53 selector = jQuery.clean( [ match[1] ], context );
57 var elem = document.getElementById( match[3] );
59 // Make sure an element was located
61 // Handle the case where IE and Opera return items
62 // by name instead of ID
63 if ( elem.id != match[3] )
64 return jQuery().find( selector );
66 // Otherwise, we inject the element directly into the jQuery object
67 return jQuery( elem );
72 // HANDLE: $(expr, [context])
73 // (which is just equivalent to: $(content).find(expr)
75 return jQuery( context ).find( selector );
77 // HANDLE: $(function)
78 // Shortcut for document ready
79 } else if ( jQuery.isFunction( selector ) )
80 return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
82 return this.setArray(jQuery.makeArray(selector));
85 // The current version of jQuery being used
88 // The number of elements contained in the matched element set
93 // Get the Nth element in the matched element set OR
94 // Get the whole matched element set as a clean array
95 get: function( num ) {
96 return num === undefined ?
98 // Return a 'clean' array
99 jQuery.makeArray( this ) :
101 // Return just the object
105 // Take an array of elements and push it onto the stack
106 // (returning the new matched element set)
107 pushStack: function( elems ) {
108 // Build a new jQuery matched element set
109 var ret = jQuery( elems );
111 // Add the old object onto the stack (as a reference)
112 ret.prevObject = this;
114 // Return the newly-formed element set
118 // Force the current matched set of elements to become
119 // the specified array of elements (destroying the stack in the process)
120 // You should use pushStack() in order to do this, but maintain the stack
121 setArray: function( elems ) {
122 // Resetting the length to 0, then using the native Array push
123 // is a super-fast way to populate an object with array-like properties
125 Array.prototype.push.apply( this, elems );
130 // Execute a callback for every element in the matched set.
131 // (You can seed the arguments with an array of args, but this is
132 // only used internally.)
133 each: function( callback, args ) {
134 return jQuery.each( this, callback, args );
137 // Determine the position of an element within
138 // the matched set of elements
139 index: function( elem ) {
142 // Locate the position of the desired element
143 return jQuery.inArray(
144 // If it receives a jQuery object, the first element is used
145 elem && elem.jquery ? elem[0] : elem
149 attr: function( name, value, type ) {
152 // Look for the case where we're accessing a style value
153 if ( typeof name === "string" )
154 if ( value === undefined )
155 return this[0] && jQuery[ type || "attr" ]( this[0], name );
159 options[ name ] = value;
162 // Check to see if we're setting style values
163 return this.each(function(i){
164 // Set all the styles
165 for ( name in options )
170 name, jQuery.prop( this, options[ name ], type, i, name )
175 css: function( key, value ) {
176 // ignore negative width and height values
177 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
179 return this.attr( key, value, "curCSS" );
182 text: function( text ) {
183 if ( typeof text !== "object" && text != null )
184 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
188 jQuery.each( text || this, function(){
189 jQuery.each( this.childNodes, function(){
190 if ( this.nodeType != 8 )
191 ret += this.nodeType != 1 ?
193 jQuery.fn.text( [ this ] );
200 wrapAll: function( html ) {
202 // The elements to wrap the target around
203 jQuery( html, this[0].ownerDocument )
205 .insertBefore( this[0] )
209 while ( elem.firstChild )
210 elem = elem.firstChild;
219 wrapInner: function( html ) {
220 return this.each(function(){
221 jQuery( this ).contents().wrapAll( html );
225 wrap: function( html ) {
226 return this.each(function(){
227 jQuery( this ).wrapAll( html );
232 return this.domManip(arguments, true, false, function(elem){
233 if (this.nodeType == 1)
234 this.appendChild( elem );
238 prepend: function() {
239 return this.domManip(arguments, true, true, function(elem){
240 if (this.nodeType == 1)
241 this.insertBefore( elem, this.firstChild );
246 return this.domManip(arguments, false, false, function(elem){
247 this.parentNode.insertBefore( elem, this );
252 return this.domManip(arguments, false, true, function(elem){
253 this.parentNode.insertBefore( elem, this.nextSibling );
258 return this.prevObject || jQuery( [] );
261 find: function( selector ) {
262 var elems = jQuery.map(this, function(elem){
263 return jQuery.find( selector, elem );
266 return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
267 jQuery.unique( elems ) :
271 clone: function( events ) {
273 var ret = this.map(function(){
274 if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
275 // IE copies events bound via attachEvent when
276 // using cloneNode. Calling detachEvent on the
277 // clone will also remove the events from the orignal
278 // In order to get around this, we use innerHTML.
279 // Unfortunately, this means some modifications to
280 // attributes in IE that are actually only stored
281 // as properties will not be copied (such as the
282 // the name attribute on an input).
283 var clone = this.cloneNode(true),
284 container = document.createElement("div");
285 container.appendChild(clone);
286 return jQuery.clean([container.innerHTML])[0];
288 return this.cloneNode(true);
291 // Need to set the expando to null on the cloned set if it exists
292 // removeData doesn't work here, IE removes it from the original as well
293 // this is primarily for IE but the data expando shouldn't be copied over in any browser
294 var clone = ret.find("*").andSelf().each(function(){
295 if ( this[ expando ] !== undefined )
296 this[ expando ] = null;
299 // Copy the events from the original to the clone
300 if ( events === true )
301 this.find("*").andSelf().each(function(i){
302 if (this.nodeType == 3)
304 var events = jQuery.data( this, "events" );
306 for ( var type in events )
307 for ( var handler in events[ type ] )
308 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
311 // Return the cloned set
315 filter: function( selector ) {
316 return this.pushStack(
317 jQuery.isFunction( selector ) &&
318 jQuery.grep(this, function(elem, i){
319 return selector.call( elem, i );
322 jQuery.multiFilter( selector, this ) );
325 not: function( selector ) {
326 if ( typeof selector === "string" )
327 // test special case where just one selector is passed in
328 if ( isSimple.test( selector ) )
329 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
331 selector = jQuery.multiFilter( selector, this );
333 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
334 return this.filter(function() {
335 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
339 add: function( selector ) {
340 return this.pushStack( jQuery.unique( jQuery.merge(
342 typeof selector === "string" ?
344 jQuery.makeArray( selector )
348 is: function( selector ) {
349 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
352 hasClass: function( selector ) {
353 return !!selector && this.is( "." + selector );
356 val: function( value ) {
357 if ( value === undefined ) {
361 if( jQuery.nodeName( elem, 'option' ) )
362 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
364 // We need to handle select boxes special
365 if ( jQuery.nodeName( elem, "select" ) ) {
366 var index = elem.selectedIndex,
368 options = elem.options,
369 one = elem.type == "select-one";
371 // Nothing was selected
375 // Loop through all the selected options
376 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
377 var option = options[ i ];
379 if ( option.selected ) {
380 // Get the specifc value for the option
381 value = jQuery(option).val();
383 // We don't need an array for one selects
387 // Multi-Selects return an array
388 values.push( value );
395 // Everything else, we just grab the value
396 return (elem.value || "").replace(/\r/g, "");
403 if ( typeof value === "number" )
406 return this.each(function(){
407 if ( this.nodeType != 1 )
410 if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
411 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
412 jQuery.inArray(this.name, value) >= 0);
414 else if ( jQuery.nodeName( this, "select" ) ) {
415 var values = jQuery.makeArray(value);
417 jQuery( "option", this ).each(function(){
418 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
419 jQuery.inArray( this.text, values ) >= 0);
422 if ( !values.length )
423 this.selectedIndex = -1;
430 html: function( value ) {
431 return value === undefined ?
435 this.empty().append( value );
438 replaceWith: function( value ) {
439 return this.after( value ).remove();
443 return this.slice( i, +i + 1 );
447 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
450 map: function( callback ) {
451 return this.pushStack( jQuery.map(this, function(elem, i){
452 return callback.call( elem, i, elem );
456 andSelf: function() {
457 return this.add( this.prevObject );
460 data: function( key, value ){
461 var parts = key.split(".");
462 parts[1] = parts[1] ? "." + parts[1] : "";
464 if ( value === undefined ) {
465 var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
467 if ( data === undefined && this.length )
468 data = jQuery.data( this[0], key );
470 return data === undefined && parts[1] ?
471 this.data( parts[0] ) :
474 return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
475 jQuery.data( this, key, value );
479 removeData: function( key ){
480 return this.each(function(){
481 jQuery.removeData( this, key );
485 domManip: function( args, table, reverse, callback ) {
486 var clone = this.length > 1, elems;
488 return this.each(function(){
490 elems = jQuery.clean( args, this.ownerDocument );
498 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
499 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
501 var scripts = jQuery( [] );
503 jQuery.each(elems, function(){
505 jQuery( this ).clone( true )[0] :
508 // execute all scripts after the elements have been injected
509 if ( jQuery.nodeName( elem, "script" ) )
510 scripts = scripts.add( elem );
512 // Remove any inner scripts for later evaluation
513 if ( elem.nodeType == 1 )
514 scripts = scripts.add( jQuery( "script", elem ).remove() );
516 // Inject the elements into the document
517 callback.call( obj, elem );
521 scripts.each( evalScript );
526 // Give the init function the jQuery prototype for later instantiation
527 jQuery.fn.init.prototype = jQuery.fn;
529 function evalScript( i, elem ) {
538 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
540 if ( elem.parentNode )
541 elem.parentNode.removeChild( elem );
548 jQuery.extend = jQuery.fn.extend = function() {
549 // copy reference to target object
550 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
552 // Handle a deep copy situation
553 if ( typeof target === "boolean" ) {
555 target = arguments[1] || {};
556 // skip the boolean and the target
560 // Handle case when target is a string or something (possible in deep copy)
561 if ( typeof target !== "object" && !jQuery.isFunction(target) )
564 // extend jQuery itself if only one argument is passed
570 for ( ; i < length; i++ )
571 // Only deal with non-null/undefined values
572 if ( (options = arguments[ i ]) != null )
573 // Extend the base object
574 for ( var name in options ) {
575 var src = target[ name ], copy = options[ name ];
577 // Prevent never-ending loop
578 if ( target === copy )
581 // Recurse if we're merging object values
582 if ( deep && copy && typeof copy === "object" && !copy.nodeType )
583 target[ name ] = jQuery.extend( deep,
584 // Never move original objects, clone them
585 src || ( copy.length != null ? [ ] : { } )
588 // Don't bring in undefined values
589 else if ( copy !== undefined )
590 target[ name ] = copy;
594 // Return the modified object
598 var expando = "jQuery" + now(), uuid = 0, windowData = {},
599 // exclude the following css properties to add px
600 exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
602 defaultView = document.defaultView || {},
603 toString = Object.prototype.toString;
606 noConflict: function( deep ) {
610 window.jQuery = _jQuery;
615 // See test/unit/core.js for details concerning isFunction.
616 // Since version 1.3, DOM methods and functions like alert
617 // aren't supported. They return false on IE (#2968).
618 isFunction: function( obj ) {
619 return toString.call(obj) === "[object Function]";
622 isArray: function( obj ) {
623 return toString.call(obj) === "[object Array]";
626 // check if an element is in a (or is an) XML document
627 isXMLDoc: function( elem ) {
628 return elem.documentElement && !elem.body ||
629 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
632 // Evalulates a script in a global context
633 globalEval: function( data ) {
634 data = jQuery.trim( data );
637 // Inspired by code by Andrea Giammarchi
638 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
639 var head = document.getElementsByTagName("head")[0] || document.documentElement,
640 script = document.createElement("script");
642 script.type = "text/javascript";
643 if ( jQuery.browser.msie )
646 script.appendChild( document.createTextNode( data ) );
648 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
649 // This arises when a base node is used (#2709).
650 head.insertBefore( script, head.firstChild );
651 head.removeChild( script );
655 nodeName: function( elem, name ) {
656 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
661 data: function( elem, name, data ) {
662 elem = elem == window ?
666 var id = elem[ expando ];
668 // Compute a unique ID for the element
670 id = elem[ expando ] = ++uuid;
672 // Only generate the data cache if we're
673 // trying to access or manipulate it
674 if ( name && !jQuery.cache[ id ] )
675 jQuery.cache[ id ] = {};
677 // Prevent overriding the named cache with undefined values
678 if ( data !== undefined )
679 jQuery.cache[ id ][ name ] = data;
681 // Return the named cache data, or the ID for the element
683 jQuery.cache[ id ][ name ] :
687 removeData: function( elem, name ) {
688 elem = elem == window ?
692 var id = elem[ expando ];
694 // If we want to remove a specific section of the element's data
696 if ( jQuery.cache[ id ] ) {
697 // Remove the section of cache data
698 delete jQuery.cache[ id ][ name ];
700 // If we've removed all the data, remove the element's cache
703 for ( name in jQuery.cache[ id ] )
707 jQuery.removeData( elem );
710 // Otherwise, we want to remove all of the element's data
712 // Clean up the element expando
714 delete elem[ expando ];
716 // IE has trouble directly removing the expando
717 // but it's ok with using removeAttribute
718 if ( elem.removeAttribute )
719 elem.removeAttribute( expando );
722 // Completely remove the data cache
723 delete jQuery.cache[ id ];
727 // args is for internal usage only
728 each: function( object, callback, args ) {
729 var name, i = 0, length = object.length;
732 if ( length === undefined ) {
733 for ( name in object )
734 if ( callback.apply( object[ name ], args ) === false )
737 for ( ; i < length; )
738 if ( callback.apply( object[ i++ ], args ) === false )
741 // A special, fast, case for the most common use of each
743 if ( length === undefined ) {
744 for ( name in object )
745 if ( callback.call( object[ name ], name, object[ name ] ) === false )
748 for ( var value = object[0];
749 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
755 prop: function( elem, value, type, i, name ) {
756 // Handle executable functions
757 if ( jQuery.isFunction( value ) )
758 value = value.call( elem, i );
760 // Handle passing in a number to a CSS property
761 return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
767 // internal only, use addClass("class")
768 add: function( elem, classNames ) {
769 jQuery.each((classNames || "").split(/\s+/), function(i, className){
770 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
771 elem.className += (elem.className ? " " : "") + className;
775 // internal only, use removeClass("class")
776 remove: function( elem, classNames ) {
777 if (elem.nodeType == 1)
778 elem.className = classNames !== undefined ?
779 jQuery.grep(elem.className.split(/\s+/), function(className){
780 return !jQuery.className.has( classNames, className );
785 // internal only, use hasClass("class")
786 has: function( elem, className ) {
787 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
791 // A method for quickly swapping in/out CSS properties to get correct calculations
792 swap: function( elem, options, callback ) {
794 // Remember the old values, and insert the new ones
795 for ( var name in options ) {
796 old[ name ] = elem.style[ name ];
797 elem.style[ name ] = options[ name ];
800 callback.call( elem );
802 // Revert the old values
803 for ( var name in options )
804 elem.style[ name ] = old[ name ];
807 css: function( elem, name, force ) {
808 if ( name == "width" || name == "height" ) {
809 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
812 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
813 var padding = 0, border = 0;
814 jQuery.each( which, function() {
815 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
816 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
818 val -= Math.round(padding + border);
821 if ( jQuery(elem).is(":visible") )
824 jQuery.swap( elem, props, getWH );
826 return Math.max(0, val);
829 return jQuery.curCSS( elem, name, force );
832 curCSS: function( elem, name, force ) {
833 var ret, style = elem.style;
835 // A helper method for determining if an element's values are broken
836 function color( elem ) {
837 if ( !jQuery.browser.safari )
840 // defaultView is cached
841 var ret = defaultView.getComputedStyle( elem, null );
842 return !ret || ret.getPropertyValue("color") == "";
845 // We need to handle opacity special in IE
846 if ( name == "opacity" && jQuery.browser.msie ) {
847 ret = jQuery.attr( style, "opacity" );
853 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
854 if ( jQuery.browser.opera && name == "display" ) {
855 var save = style.outline;
856 style.outline = "0 solid black";
857 style.outline = save;
860 // Make sure we're using the right name for getting the float value
861 if ( name.match( /float/i ) )
864 if ( !force && style && style[ name ] )
867 else if ( defaultView.getComputedStyle ) {
869 // Only "float" is needed here
870 if ( name.match( /float/i ) )
873 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
875 var computedStyle = defaultView.getComputedStyle( elem, null );
877 if ( computedStyle && !color( elem ) )
878 ret = computedStyle.getPropertyValue( name );
880 // If the element isn't reporting its values properly in Safari
881 // then some display: none elements are involved
883 var swap = [], stack = [], a = elem, i = 0;
885 // Locate all of the parent display: none elements
886 for ( ; a && color(a); a = a.parentNode )
889 // Go through and make them visible, but in reverse
890 // (It would be better if we knew the exact display type that they had)
891 for ( ; i < stack.length; i++ )
892 if ( color( stack[ i ] ) ) {
893 swap[ i ] = stack[ i ].style.display;
894 stack[ i ].style.display = "block";
897 // Since we flip the display style, we have to handle that
898 // one special, otherwise get the value
899 ret = name == "display" && swap[ stack.length - 1 ] != null ?
901 ( computedStyle && computedStyle.getPropertyValue( name ) ) || "";
903 // Finally, revert the display styles back
904 for ( i = 0; i < swap.length; i++ )
905 if ( swap[ i ] != null )
906 stack[ i ].style.display = swap[ i ];
909 // We should always get a number back from opacity
910 if ( name == "opacity" && ret == "" )
913 } else if ( elem.currentStyle ) {
914 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
915 return letter.toUpperCase();
918 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
920 // From the awesome hack by Dean Edwards
921 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
923 // If we're not dealing with a regular pixel number
924 // but a number that has a weird ending, we need to convert it to pixels
925 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
926 // Remember the original values
927 var left = style.left, rsLeft = elem.runtimeStyle.left;
929 // Put in the new values to get a computed value out
930 elem.runtimeStyle.left = elem.currentStyle.left;
931 style.left = ret || 0;
932 ret = style.pixelLeft + "px";
934 // Revert the changed values
936 elem.runtimeStyle.left = rsLeft;
943 clean: function( elems, context ) {
945 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;
951 jQuery.each(elems, function(i, elem){
952 if ( typeof elem === "number" )
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) ?
964 front + "></" + tag + ">";
967 // Trim whitespace, otherwise indexOf won't work as expected
968 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
971 // option or optgroup
972 !tags.indexOf("<opt") &&
973 [ 1, "<select multiple='multiple'>", "</select>" ] ||
975 !tags.indexOf("<leg") &&
976 [ 1, "<fieldset>", "</fieldset>" ] ||
978 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
979 [ 1, "<table>", "</table>" ] ||
981 !tags.indexOf("<tr") &&
982 [ 2, "<table><tbody>", "</tbody></table>" ] ||
984 // <thead> matched above
985 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
986 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
988 !tags.indexOf("<col") &&
989 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
991 // IE can't serialize <link> and <script> tags normally
992 jQuery.browser.msie &&
993 [ 1, "div<div>", "</div>" ] ||
997 // Go to html and back, then peel off extra wrappers
998 div.innerHTML = wrap[1] + elem + wrap[2];
1000 // Move to the right depth
1002 div = div.lastChild;
1004 // Remove IE's autoinserted <tbody> from table fragments
1005 if ( jQuery.browser.msie ) {
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 :
1011 // String was a bare <thead> or <tfoot>
1012 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
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 ] );
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 );
1026 elem = jQuery.makeArray( div.childNodes );
1029 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1032 if ( elem[0] === undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1036 ret = jQuery.merge( ret, elem );
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)
1048 var notxml = !jQuery.isXMLDoc( elem ),
1049 // Whether we are setting (or getting)
1050 set = value !== undefined,
1051 msie = jQuery.browser.msie;
1053 // Try to normalize/fix the name
1054 name = notxml && jQuery.props[ name ] || name;
1056 // Only do all the following if this is a node (faster for style)
1057 // IE elem.getAttribute passes even for style
1058 if ( elem.tagName ) {
1060 // These attributes require special treatment
1061 var special = /href|src|style/.test( name );
1063 // Safari mis-reports the default selected property of a hidden option
1064 // Accessing the parent's selectedIndex property fixes it
1065 if ( name == "selected" && jQuery.browser.safari )
1066 elem.parentNode.selectedIndex;
1068 // If applicable, access the attribute via the DOM 0 way
1069 if ( name in elem && notxml && !special ) {
1071 // We can't allow the type property to be changed (since it causes problems in IE)
1072 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1073 throw "type property can't be changed";
1075 elem[ name ] = value;
1078 // browsers index elements by id/name on forms, give priority to attributes.
1079 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
1080 return elem.getAttributeNode( name ).nodeValue;
1082 return elem[ name ];
1085 if ( msie && notxml && name == "style" )
1086 return jQuery.attr( elem.style, "cssText", value );
1089 // convert the value to a string (all browsers do this but IE) see #1070
1090 elem.setAttribute( name, "" + value );
1092 var attr = msie && notxml && special
1093 // Some attributes require a special call on IE
1094 ? elem.getAttribute( name, 2 )
1095 : elem.getAttribute( name );
1097 // Non-existent attributes return null, we normalize to undefined
1098 return attr === null ? undefined : attr;
1101 // elem is actually elem.style ... set the style
1103 // IE uses filters for opacity
1104 if ( msie && name == "opacity" ) {
1106 // IE has trouble with opacity if it does not have layout
1107 // Force it by setting the zoom level
1110 // Set the alpha filter to set the opacity
1111 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1112 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1115 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1116 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1120 name = name.replace(/-([a-z])/ig, function(all, letter){
1121 return letter.toUpperCase();
1125 elem[ name ] = value;
1127 return elem[ name ];
1130 trim: function( text ) {
1131 return (text || "").replace( /^\s+|\s+$/g, "" );
1134 makeArray: function( array ) {
1137 if( array != null ){
1138 var i = array.length;
1139 // The window, strings (and functions) also have 'length'
1140 if( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval )
1144 ret[--i] = array[i];
1150 inArray: function( elem, array ) {
1151 for ( var i = 0, length = array.length; i < length; i++ )
1152 // Use === because on IE, window == document
1153 if ( array[ i ] === elem )
1159 merge: function( first, second ) {
1160 // We have to loop this way because IE & Opera overwrite the length
1161 // expando of getElementsByTagName
1162 var i = 0, elem, pos = first.length;
1163 // Also, we need to make sure that the correct elements are being returned
1164 // (IE returns comment nodes in a '*' query)
1165 if ( jQuery.browser.msie ) {
1166 while ( elem = second[ i++ ] )
1167 if ( elem.nodeType != 8 )
1168 first[ pos++ ] = elem;
1171 while ( elem = second[ i++ ] )
1172 first[ pos++ ] = elem;
1177 unique: function( array ) {
1178 var ret = [], done = {};
1182 for ( var i = 0, length = array.length; i < length; i++ ) {
1183 var id = jQuery.data( array[ i ] );
1185 if ( !done[ id ] ) {
1187 ret.push( array[ i ] );
1198 grep: function( elems, callback, inv ) {
1201 // Go through the array, only saving the items
1202 // that pass the validator function
1203 for ( var i = 0, length = elems.length; i < length; i++ )
1204 if ( !inv != !callback( elems[ i ], i ) )
1205 ret.push( elems[ i ] );
1210 map: function( elems, callback ) {
1213 // Go through the array, translating each of the items to their
1214 // new value (or values).
1215 for ( var i = 0, length = elems.length; i < length; i++ ) {
1216 var value = callback( elems[ i ], i );
1218 if ( value != null )
1219 ret[ ret.length ] = value;
1222 return ret.concat.apply( [], ret );
1226 var userAgent = navigator.userAgent.toLowerCase();
1228 // Figure out what browser is being used
1230 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1231 safari: /webkit/.test( userAgent ),
1232 opera: /opera/.test( userAgent ),
1233 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1234 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1237 var styleFloat = jQuery.browser.msie ?
1242 // Check to see if the W3C box model is being used
1243 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1247 "class": "className",
1248 "float": styleFloat,
1249 cssFloat: styleFloat,
1250 styleFloat: styleFloat,
1251 readonly: "readOnly",
1252 maxlength: "maxLength",
1253 cellspacing: "cellSpacing",
1259 parent: function(elem){return elem.parentNode;},
1260 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1261 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1262 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1263 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1264 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1265 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1266 children: function(elem){return jQuery.sibling(elem.firstChild);},
1267 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1268 }, function(name, fn){
1269 jQuery.fn[ name ] = function( selector ) {
1270 var ret = jQuery.map( this, fn );
1272 if ( selector && typeof selector == "string" )
1273 ret = jQuery.multiFilter( selector, ret );
1275 return this.pushStack( jQuery.unique( ret ) );
1281 prependTo: "prepend",
1282 insertBefore: "before",
1283 insertAfter: "after",
1284 replaceAll: "replaceWith"
1285 }, function(name, original){
1286 jQuery.fn[ name ] = function() {
1287 var args = arguments;
1289 return this.each(function(){
1290 for ( var i = 0, length = args.length; i < length; i++ )
1291 jQuery( args[ i ] )[ original ]( this );
1297 removeAttr: function( name ) {
1298 jQuery.attr( this, name, "" );
1299 if (this.nodeType == 1)
1300 this.removeAttribute( name );
1303 addClass: function( classNames ) {
1304 jQuery.className.add( this, classNames );
1307 removeClass: function( classNames ) {
1308 jQuery.className.remove( this, classNames );
1311 toggleClass: function( classNames ) {
1312 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1315 remove: function( selector ) {
1316 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1317 // Prevent memory leaks
1318 jQuery( "*", this ).add([this]).each(function(){
1319 jQuery.event.remove(this);
1320 jQuery.removeData(this);
1322 if (this.parentNode)
1323 this.parentNode.removeChild( this );
1328 // Remove element nodes and prevent memory leaks
1329 jQuery( ">*", this ).remove();
1331 // Remove any remaining nodes
1332 while ( this.firstChild )
1333 this.removeChild( this.firstChild );
1335 }, function(name, fn){
1336 jQuery.fn[ name ] = function(){
1337 return this.each( fn, arguments );
1341 jQuery.each([ "Height", "Width" ], function(i, name){
1342 var type = name.toLowerCase();
1344 jQuery.fn[ type ] = function( size ) {
1345 // Get window width or height
1346 return this[0] == window ?
1347 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1348 jQuery.browser.opera && document.body.parentNode[ "client" + name ] ||
1350 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1351 jQuery.browser.safari && window[ "inner" + name ] ||
1353 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1354 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1356 // Get document width or height
1357 this[0] == document ?
1358 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1360 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1361 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1364 // Get or set width or height on the element
1365 size === undefined ?
1366 // Get width or height on the element
1367 (this.length ? jQuery.css( this[0], type ) : null) :
1369 // Set the width or height on the element (default to pixels if value is unitless)
1370 this.css( type, typeof size === "string" ? size : size + "px" );
1374 // Helper function used by the dimensions and offset modules
1375 function num(elem, prop) {
1376 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;