2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2007 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
14 var _jQuery = window.jQuery;
16 var jQuery = window.jQuery = function( selector, context ) {
17 // The jQuery object is actually just the init constructor 'enhanced'
18 return new jQuery.prototype.init( selector, context );
21 // Map over the $ in case of overwrite
25 // Map the jQuery namespace to the '$' one
28 // A simple way to check for HTML strings or ID strings
29 // (both of which we optimize for)
30 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
32 // Is it a simple selector
33 var isSimple = /^.[^:#\[\.]*$/;
35 jQuery.fn = jQuery.prototype = {
36 init: function( selector, context ) {
37 // Make sure that a selection was provided
38 selector = selector || document;
40 // Handle $(DOMElement)
41 if ( selector.nodeType ) {
46 // Handle HTML strings
47 } else if ( typeof selector == "string" ) {
48 // Are we dealing with HTML string or an ID?
49 var match = quickExpr.exec( selector );
51 // Verify a match, and that no context was specified for #id
52 if ( match && (match[1] || !context) ) {
54 // HANDLE: $(html) -> $(array)
56 selector = jQuery.clean( [ match[1] ], context );
60 var elem = document.getElementById( match[3] );
62 // Make sure an element was located
64 // Handle the case where IE and Opera return items
65 // by name instead of ID
66 if ( elem.id != match[3] )
67 return jQuery().find( selector );
69 // Otherwise, we inject the element directly into the jQuery object
80 // HANDLE: $(expr, [context])
81 // (which is just equivalent to: $(content).find(expr)
83 return new jQuery( context ).find( selector );
85 // HANDLE: $(function)
86 // Shortcut for document ready
87 } else if ( jQuery.isFunction( selector ) )
88 return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
92 selector.constructor == Array && selector ||
94 // HANDLE: $(arraylike)
95 // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
96 (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
102 // The current version of jQuery being used
105 // The number of elements contained in the matched element set
110 // The number of elements contained in the matched element set
113 // Get the Nth element in the matched element set OR
114 // Get the whole matched element set as a clean array
115 get: function( num ) {
116 return num == undefined ?
118 // Return a 'clean' array
119 jQuery.makeArray( this ) :
121 // Return just the object
125 // Take an array of elements and push it onto the stack
126 // (returning the new matched element set)
127 pushStack: function( elems ) {
128 // Build a new jQuery matched element set
129 var ret = jQuery( elems );
131 // Add the old object onto the stack (as a reference)
132 ret.prevObject = this;
134 // Return the newly-formed element set
138 // Force the current matched set of elements to become
139 // the specified array of elements (destroying the stack in the process)
140 // You should use pushStack() in order to do this, but maintain the stack
141 setArray: function( elems ) {
142 // Resetting the length to 0, then using the native Array push
143 // is a super-fast way to populate an object with array-like properties
145 Array.prototype.push.apply( this, elems );
150 // Execute a callback for every element in the matched set.
151 // (You can seed the arguments with an array of args, but this is
152 // only used internally.)
153 each: function( callback, args ) {
154 return jQuery.each( this, callback, args );
157 // Determine the position of an element within
158 // the matched set of elements
159 index: function( elem ) {
162 // Locate the position of the desired element
163 this.each(function(i){
171 attr: function( name, value, type ) {
174 // Look for the case where we're accessing a style value
175 if ( name.constructor == String )
176 if ( value == undefined )
177 return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
181 options[ name ] = value;
184 // Check to see if we're setting style values
185 return this.each(function(i){
186 // Set all the styles
187 for ( name in options )
192 name, jQuery.prop( this, options[ name ], type, i, name )
197 css: function( key, value ) {
198 // ignore negative width and height values
199 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
201 return this.attr( key, value, "curCSS" );
204 text: function( text ) {
205 if ( typeof text != "object" && text != null )
206 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
210 jQuery.each( text || this, function(){
211 jQuery.each( this.childNodes, function(){
212 if ( this.nodeType != 8 )
213 ret += this.nodeType != 1 ?
215 jQuery.fn.text( [ this ] );
222 wrapAll: function( html ) {
224 // The elements to wrap the target around
225 jQuery( html, this[0].ownerDocument )
227 .insertBefore( this[0] )
231 while ( elem.firstChild )
232 elem = elem.firstChild;
241 wrapInner: function( html ) {
242 return this.each(function(){
243 jQuery( this ).contents().wrapAll( html );
247 wrap: function( html ) {
248 return this.each(function(){
249 jQuery( this ).wrapAll( html );
254 return this.domManip(arguments, true, false, function(elem){
255 if (this.nodeType == 1)
256 this.appendChild( elem );
260 prepend: function() {
261 return this.domManip(arguments, true, true, function(elem){
262 if (this.nodeType == 1)
263 this.insertBefore( elem, this.firstChild );
268 return this.domManip(arguments, false, false, function(elem){
269 this.parentNode.insertBefore( elem, this );
274 return this.domManip(arguments, false, true, function(elem){
275 this.parentNode.insertBefore( elem, this.nextSibling );
280 return this.prevObject || jQuery( [] );
283 find: function( selector ) {
284 var elems = jQuery.map(this, function(elem){
285 return jQuery.find( selector, elem );
288 return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
289 jQuery.unique( elems ) :
293 clone: function( events ) {
295 var ret = this.map(function(){
296 if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
297 // IE copies events bound via attachEvent when
298 // using cloneNode. Calling detachEvent on the
299 // clone will also remove the events from the orignal
300 // In order to get around this, we use innerHTML.
301 // Unfortunately, this means some modifications to
302 // attributes in IE that are actually only stored
303 // as properties will not be copied (such as the
304 // the name attribute on an input).
305 var clone = this.cloneNode(true),
306 container = document.createElement("div"),
307 container2 = document.createElement("div");
308 container.appendChild(clone);
309 container2.innerHTML = container.innerHTML;
310 return container2.firstChild;
312 return this.cloneNode(true);
315 // Need to set the expando to null on the cloned set if it exists
316 // removeData doesn't work here, IE removes it from the original as well
317 // this is primarily for IE but the data expando shouldn't be copied over in any browser
318 var clone = ret.find("*").andSelf().each(function(){
319 if ( this[ expando ] != undefined )
320 this[ expando ] = null;
323 // Copy the events from the original to the clone
324 if ( events === true )
325 this.find("*").andSelf().each(function(i){
326 var events = jQuery.data( this, "events" );
328 for ( var type in events )
329 for ( var handler in events[ type ] )
330 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
333 // Return the cloned set
337 filter: function( selector ) {
338 return this.pushStack(
339 jQuery.isFunction( selector ) &&
340 jQuery.grep(this, function(elem, i){
341 return selector.call( elem, i );
344 jQuery.multiFilter( selector, this ) );
347 not: function( selector ) {
348 if ( selector.constructor == String )
349 // test special case where just one selector is passed in
350 if ( isSimple.test( selector ) )
351 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
353 selector = jQuery.multiFilter( selector, this );
355 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
356 return this.filter(function() {
357 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
361 add: function( selector ) {
362 return !selector ? this : this.pushStack( jQuery.merge(
364 selector.constructor == String ?
365 jQuery( selector ).get() :
366 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
367 selector : [selector] ) );
370 is: function( selector ) {
372 jQuery.multiFilter( selector, this ).length > 0 :
376 hasClass: function( selector ) {
377 return this.is( "." + selector );
380 val: function( value ) {
381 if ( value == undefined ) {
386 // We need to handle select boxes special
387 if ( jQuery.nodeName( elem, "select" ) ) {
388 var index = elem.selectedIndex,
390 options = elem.options,
391 one = elem.type == "select-one";
393 // Nothing was selected
397 // Loop through all the selected options
398 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
399 var option = options[ i ];
401 if ( option.selected ) {
402 // Get the specifc value for the option
403 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
405 // We don't need an array for one selects
409 // Multi-Selects return an array
410 values.push( value );
416 // Everything else, we just grab the value
418 return (this[0].value || "").replace(/\r/g, "");
425 return this.each(function(){
426 if ( this.nodeType != 1 )
429 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
430 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
431 jQuery.inArray(this.name, value) >= 0);
433 else if ( jQuery.nodeName( this, "select" ) ) {
434 var values = value.constructor == Array ?
438 jQuery( "option", this ).each(function(){
439 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
440 jQuery.inArray( this.text, values ) >= 0);
443 if ( !values.length )
444 this.selectedIndex = -1;
451 html: function( value ) {
452 return value == undefined ?
456 this.empty().append( value );
459 replaceWith: function( value ) {
460 return this.after( value ).remove();
464 return this.slice( i, i + 1 );
468 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
471 map: function( callback ) {
472 return this.pushStack( jQuery.map(this, function(elem, i){
473 return callback.call( elem, i, elem );
477 andSelf: function() {
478 return this.add( this.prevObject );
481 domManip: function( args, table, reverse, callback ) {
482 var clone = this.length > 1, elems;
484 return this.each(function(){
486 elems = jQuery.clean( args, this.ownerDocument );
494 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
495 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
497 var scripts = jQuery( [] );
499 jQuery.each(elems, function(){
501 jQuery( this ).clone( true )[0] :
504 // execute all scripts after the elements have been injected
505 if ( jQuery.nodeName( elem, "script" ) ) {
506 scripts = scripts.add( elem );
508 // Remove any inner scripts for later evaluation
509 if ( elem.nodeType == 1 )
510 scripts = scripts.add( jQuery( "script", elem ).remove() );
512 // Inject the elements into the document
513 callback.call( obj, elem );
517 scripts.each( evalScript );
522 // Give the init function the jQuery prototype for later instantiation
523 jQuery.prototype.init.prototype = jQuery.prototype;
525 function evalScript( i, elem ) {
534 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
536 if ( elem.parentNode )
537 elem.parentNode.removeChild( elem );
540 jQuery.extend = jQuery.fn.extend = function() {
541 // copy reference to target object
542 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
544 // Handle a deep copy situation
545 if ( target.constructor == Boolean ) {
547 target = arguments[1] || {};
548 // skip the boolean and the target
552 // Handle case when target is a string or something (possible in deep copy)
553 if ( typeof target != "object" && typeof target != "function" )
556 // extend jQuery itself if only one argument is passed
562 for ( ; i < length; i++ )
563 // Only deal with non-null/undefined values
564 if ( (options = arguments[ i ]) != null )
565 // Extend the base object
566 for ( var name in options ) {
567 // Prevent never-ending loop
568 if ( target === options[ name ] )
571 // Recurse if we're merging object values
572 if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
573 target[ name ] = jQuery.extend( target[ name ], options[ name ] );
575 // Don't bring in undefined values
576 else if ( options[ name ] != undefined )
577 target[ name ] = options[ name ];
581 // Return the modified object
585 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
587 // exclude the following css properties to add px
588 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
591 noConflict: function( deep ) {
595 window.jQuery = _jQuery;
600 // This may seem like some crazy code, but trust me when I say that this
601 // is the only cross-browser way to do this. --John
602 isFunction: function( fn ) {
603 return !!fn && typeof fn != "string" && !fn.nodeName &&
604 fn.constructor != Array && /function/i.test( fn + "" );
607 // check if an element is in a (or is an) XML document
608 isXMLDoc: function( elem ) {
609 return elem.documentElement && !elem.body ||
610 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
613 // Evalulates a script in a global context
614 globalEval: function( data ) {
615 data = jQuery.trim( data );
618 // Inspired by code by Andrea Giammarchi
619 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
620 var head = document.getElementsByTagName("head")[0] || document.documentElement,
621 script = document.createElement("script");
623 script.type = "text/javascript";
624 if ( jQuery.browser.msie )
627 script.appendChild( document.createTextNode( data ) );
629 head.appendChild( script );
630 head.removeChild( script );
634 nodeName: function( elem, name ) {
635 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
640 data: function( elem, name, data ) {
641 elem = elem == window ?
645 var id = elem[ expando ];
647 // Compute a unique ID for the element
649 id = elem[ expando ] = ++uuid;
651 // Only generate the data cache if we're
652 // trying to access or manipulate it
653 if ( name && !jQuery.cache[ id ] )
654 jQuery.cache[ id ] = {};
656 // Prevent overriding the named cache with undefined values
657 if ( data != undefined )
658 jQuery.cache[ id ][ name ] = data;
660 // Return the named cache data, or the ID for the element
662 jQuery.cache[ id ][ name ] :
666 removeData: function( elem, name ) {
667 elem = elem == window ?
671 var id = elem[ expando ];
673 // If we want to remove a specific section of the element's data
675 if ( jQuery.cache[ id ] ) {
676 // Remove the section of cache data
677 delete jQuery.cache[ id ][ name ];
679 // If we've removed all the data, remove the element's cache
682 for ( name in jQuery.cache[ id ] )
686 jQuery.removeData( elem );
689 // Otherwise, we want to remove all of the element's data
691 // Clean up the element expando
693 delete elem[ expando ];
695 // IE has trouble directly removing the expando
696 // but it's ok with using removeAttribute
697 if ( elem.removeAttribute )
698 elem.removeAttribute( expando );
701 // Completely remove the data cache
702 delete jQuery.cache[ id ];
706 // args is for internal usage only
707 each: function( object, callback, args ) {
709 if ( object.length == undefined )
710 for ( var name in object )
711 callback.apply( object[ name ], args );
713 for ( var i = 0, length = object.length; i < length; i++ )
714 if ( callback.apply( object[ i ], args ) === false )
717 // A special, fast, case for the most common use of each
719 if ( object.length == undefined )
720 for ( var name in object )
721 callback.call( object[ name ], name, object[ name ] );
723 for ( var i = 0, length = object.length, value = object[0];
724 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
730 prop: function( elem, value, type, i, name ) {
731 // Handle executable functions
732 if ( jQuery.isFunction( value ) )
733 value = value.call( elem, i );
735 // Handle passing in a number to a CSS property
736 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
742 // internal only, use addClass("class")
743 add: function( elem, classNames ) {
744 jQuery.each((classNames || "").split(/\s+/), function(i, className){
745 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
746 elem.className += (elem.className ? " " : "") + className;
750 // internal only, use removeClass("class")
751 remove: function( elem, classNames ) {
752 if (elem.nodeType == 1)
753 elem.className = classNames != undefined ?
754 jQuery.grep(elem.className.split(/\s+/), function(className){
755 return !jQuery.className.has( classNames, className );
760 // internal only, use is(".class")
761 has: function( elem, className ) {
762 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
766 // A method for quickly swapping in/out CSS properties to get correct calculations
767 swap: function( elem, options, callback ) {
769 // Remember the old values, and insert the new ones
770 for ( var name in options ) {
771 old[ name ] = elem.style[ name ];
772 elem.style[ name ] = options[ name ];
775 callback.call( elem );
777 // Revert the old values
778 for ( var name in options )
779 elem.style[ name ] = old[ name ];
782 css: function( elem, name, force ) {
783 if ( name == "width" || name == "height" ) {
784 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
787 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
788 var padding = 0, border = 0;
789 jQuery.each( which, function() {
790 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
791 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
793 val -= Math.round(padding + border);
796 if ( jQuery(elem).is(":visible") )
799 jQuery.swap( elem, props, getWH );
801 return Math.max(0, val);
804 return jQuery.curCSS( elem, name, force );
807 curCSS: function( elem, name, force ) {
810 // A helper method for determining if an element's values are broken
811 function color( elem ) {
812 if ( !jQuery.browser.safari )
815 var ret = document.defaultView.getComputedStyle( elem, null );
816 return !ret || ret.getPropertyValue("color") == "";
819 // We need to handle opacity special in IE
820 if ( name == "opacity" && jQuery.browser.msie ) {
821 ret = jQuery.attr( elem.style, "opacity" );
827 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
828 if ( jQuery.browser.opera && name == "display" ) {
829 var save = elem.style.display;
830 elem.style.display = "block";
831 elem.style.display = save;
834 // Make sure we're using the right name for getting the float value
835 if ( name.match( /float/i ) )
838 if ( !force && elem.style[ name ] )
839 ret = elem.style[ name ];
841 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
843 // Only "float" is needed here
844 if ( name.match( /float/i ) )
847 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
849 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
851 if ( getComputedStyle && !color( elem ) )
852 ret = getComputedStyle.getPropertyValue( name );
854 // If the element isn't reporting its values properly in Safari
855 // then some display: none elements are involved
857 var swap = [], stack = [];
859 // Locate all of the parent display: none elements
860 for ( var a = elem; a && color(a); a = a.parentNode )
863 // Go through and make them visible, but in reverse
864 // (It would be better if we knew the exact display type that they had)
865 for ( var i = 0; i < stack.length; i++ )
866 if ( color( stack[ i ] ) ) {
867 swap[ i ] = stack[ i ].style.display;
868 stack[ i ].style.display = "block";
871 // Since we flip the display style, we have to handle that
872 // one special, otherwise get the value
873 ret = name == "display" && swap[ stack.length - 1 ] != null ?
875 ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
877 // Finally, revert the display styles back
878 for ( var i = 0; i < swap.length; i++ )
879 if ( swap[ i ] != null )
880 stack[ i ].style.display = swap[ i ];
883 // We should always get a number back from opacity
884 if ( name == "opacity" && ret == "" )
887 } else if ( elem.currentStyle ) {
888 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
889 return letter.toUpperCase();
892 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
894 // From the awesome hack by Dean Edwards
895 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
897 // If we're not dealing with a regular pixel number
898 // but a number that has a weird ending, we need to convert it to pixels
899 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
900 // Remember the original values
901 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
903 // Put in the new values to get a computed value out
904 elem.runtimeStyle.left = elem.currentStyle.left;
905 elem.style.left = ret || 0;
906 ret = elem.style.pixelLeft + "px";
908 // Revert the changed values
909 elem.style.left = style;
910 elem.runtimeStyle.left = runtimeStyle;
917 clean: function( elems, context ) {
919 context = context || document;
920 // !context.createElement fails in IE with an error but returns typeof 'object'
921 if (typeof context.createElement == 'undefined')
922 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
924 jQuery.each(elems, function(i, elem){
928 if ( elem.constructor == Number )
929 elem = elem.toString();
931 // Convert html string into DOM nodes
932 if ( typeof elem == "string" ) {
933 // Fix "XHTML"-style tags in all browsers
934 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
935 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i) ?
937 front + "></" + tag + ">";
940 // Trim whitespace, otherwise indexOf won't work as expected
941 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
944 // option or optgroup
945 !tags.indexOf("<opt") &&
946 [ 1, "<select multiple='multiple'>", "</select>" ] ||
948 !tags.indexOf("<leg") &&
949 [ 1, "<fieldset>", "</fieldset>" ] ||
951 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
952 [ 1, "<table>", "</table>" ] ||
954 !tags.indexOf("<tr") &&
955 [ 2, "<table><tbody>", "</tbody></table>" ] ||
957 // <thead> matched above
958 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
959 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
961 !tags.indexOf("<col") &&
962 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
964 // IE can't serialize <link> and <script> tags normally
965 jQuery.browser.msie &&
966 [ 1, "div<div>", "</div>" ] ||
970 // Go to html and back, then peel off extra wrappers
971 div.innerHTML = wrap[1] + elem + wrap[2];
973 // Move to the right depth
977 // Remove IE's autoinserted <tbody> from table fragments
978 if ( jQuery.browser.msie ) {
980 // String was a <table>, *may* have spurious <tbody>
981 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
982 div.firstChild && div.firstChild.childNodes :
984 // String was a bare <thead> or <tfoot>
985 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
989 for ( var j = tbody.length - 1; j >= 0 ; --j )
990 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
991 tbody[ j ].parentNode.removeChild( tbody[ j ] );
993 // IE completely kills leading whitespace when innerHTML is used
994 if ( /^\s/.test( elem ) )
995 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
999 elem = jQuery.makeArray( div.childNodes );
1002 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1005 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1009 ret = jQuery.merge( ret, elem );
1016 attr: function( elem, name, value ) {
1017 // don't set attributes on text and comment nodes
1018 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1021 var fix = jQuery.isXMLDoc( elem ) ?
1025 // Safari mis-reports the default selected property of a hidden option
1026 // Accessing the parent's selectedIndex property fixes it
1027 if ( name == "selected" && jQuery.browser.safari )
1028 elem.parentNode.selectedIndex;
1030 // Certain attributes only work when accessed via the old DOM 0 way
1031 if ( fix[ name ] ) {
1032 if ( value != undefined )
1033 elem[ fix[ name ] ] = value;
1035 return elem[ fix[ name ] ];
1037 } else if ( jQuery.browser.msie && name == "style" )
1038 return jQuery.attr( elem.style, "cssText", value );
1040 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1041 return elem.getAttributeNode( name ).nodeValue;
1043 // IE elem.getAttribute passes even for style
1044 else if ( elem.tagName ) {
1046 if ( value != undefined ) {
1047 // We can't allow the type property to be changed (since it causes problems in IE)
1048 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1049 throw "type property can't be changed";
1051 // convert the value to a string (all browsers do this but IE) see #1070
1052 elem.setAttribute( name, "" + value );
1055 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1056 return elem.getAttribute( name, 2 );
1058 return elem.getAttribute( name );
1060 // elem is actually elem.style ... set the style
1062 // IE actually uses filters for opacity
1063 if ( name == "opacity" && jQuery.browser.msie ) {
1064 if ( value != undefined ) {
1065 // IE has trouble with opacity if it does not have layout
1066 // Force it by setting the zoom level
1069 // Set the alpha filter to set the opacity
1070 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1071 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1074 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1075 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1079 name = name.replace(/-([a-z])/ig, function(all, letter){
1080 return letter.toUpperCase();
1083 if ( value != undefined )
1084 elem[ name ] = value;
1086 return elem[ name ];
1090 trim: function( text ) {
1091 return (text || "").replace( /^\s+|\s+$/g, "" );
1094 makeArray: function( array ) {
1097 // Need to use typeof to fight Safari childNodes crashes
1098 if ( typeof array != "array" )
1099 for ( var i = 0, length = array.length; i < length; i++ )
1100 ret.push( array[ i ] );
1102 ret = array.slice( 0 );
1107 inArray: function( elem, array ) {
1108 for ( var i = 0, length = array.length; i < length; i++ )
1109 if ( array[ i ] == elem )
1115 merge: function( first, second ) {
1116 // We have to loop this way because IE & Opera overwrite the length
1117 // expando of getElementsByTagName
1119 // Also, we need to make sure that the correct elements are being returned
1120 // (IE returns comment nodes in a '*' query)
1121 if ( jQuery.browser.msie ) {
1122 for ( var i = 0; second[ i ]; i++ )
1123 if ( second[ i ].nodeType != 8 )
1124 first.push( second[ i ] );
1127 for ( var i = 0; second[ i ]; i++ )
1128 first.push( second[ i ] );
1133 unique: function( array ) {
1134 var ret = [], done = {};
1138 for ( var i = 0, length = array.length; i < length; i++ ) {
1139 var id = jQuery.data( array[ i ] );
1141 if ( !done[ id ] ) {
1143 ret.push( array[ i ] );
1154 grep: function( elems, callback, inv ) {
1155 // If a string is passed in for the function, make a function
1156 // for it (a handy shortcut)
1157 if ( typeof callback == "string" )
1158 callback = eval("false||function(a,i){return " + callback + "}");
1162 // Go through the array, only saving the items
1163 // that pass the validator function
1164 for ( var i = 0, length = elems.length; i < length; i++ )
1165 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1166 ret.push( elems[ i ] );
1171 map: function( elems, callback ) {
1174 // Go through the array, translating each of the items to their
1175 // new value (or values).
1176 for ( var i = 0, length = elems.length; i < length; i++ ) {
1177 var value = callback( elems[ i ], i );
1179 if ( value !== null && value != undefined ) {
1180 if ( value.constructor != Array )
1183 ret = ret.concat( value );
1191 var userAgent = navigator.userAgent.toLowerCase();
1193 // Figure out what browser is being used
1195 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1196 safari: /webkit/.test( userAgent ),
1197 opera: /opera/.test( userAgent ),
1198 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1199 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1202 var styleFloat = jQuery.browser.msie ?
1207 // Check to see if the W3C box model is being used
1208 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1212 "class": "className",
1213 "float": styleFloat,
1214 cssFloat: styleFloat,
1215 styleFloat: styleFloat,
1216 innerHTML: "innerHTML",
1217 className: "className",
1219 disabled: "disabled",
1221 readonly: "readOnly",
1222 selected: "selected",
1223 maxlength: "maxLength",
1224 selectedIndex: "selectedIndex",
1225 defaultValue: "defaultValue",
1227 nodeName: "nodeName"
1232 parent: "elem.parentNode",
1233 parents: "jQuery.dir(elem,'parentNode')",
1234 next: "jQuery.nth(elem,2,'nextSibling')",
1235 prev: "jQuery.nth(elem,2,'previousSibling')",
1236 nextAll: "jQuery.dir(elem,'nextSibling')",
1237 prevAll: "jQuery.dir(elem,'previousSibling')",
1238 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1239 children: "jQuery.sibling(elem.firstChild)",
1240 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1241 }, function(name, fn){
1242 fn = eval("false||function(elem){return " + fn + "}");
1244 jQuery.fn[ name ] = function( selector ) {
1245 var ret = jQuery.map( this, fn );
1247 if ( selector && typeof selector == "string" )
1248 ret = jQuery.multiFilter( selector, ret );
1250 return this.pushStack( jQuery.unique( ret ) );
1256 prependTo: "prepend",
1257 insertBefore: "before",
1258 insertAfter: "after",
1259 replaceAll: "replaceWith"
1260 }, function(name, original){
1261 jQuery.fn[ name ] = function() {
1262 var args = arguments;
1264 return this.each(function(){
1265 for ( var i = 0, length = args.length; i < length; i++ )
1266 jQuery( args[ i ] )[ original ]( this );
1272 removeAttr: function( name ) {
1273 jQuery.attr( this, name, "" );
1274 if (this.nodeType == 1)
1275 this.removeAttribute( name );
1278 addClass: function( classNames ) {
1279 jQuery.className.add( this, classNames );
1282 removeClass: function( classNames ) {
1283 jQuery.className.remove( this, classNames );
1286 toggleClass: function( classNames ) {
1287 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1290 remove: function( selector ) {
1291 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1292 // Prevent memory leaks
1293 jQuery( "*", this ).add(this).each(function(){
1294 jQuery.event.remove(this);
1295 jQuery.removeData(this);
1297 if (this.parentNode)
1298 this.parentNode.removeChild( this );
1303 // Remove element nodes and prevent memory leaks
1304 jQuery( ">*", this ).remove();
1306 // Remove any remaining nodes
1307 while ( this.firstChild )
1308 this.removeChild( this.firstChild );
1310 }, function(name, fn){
1311 jQuery.fn[ name ] = function(){
1312 return this.each( fn, arguments );
1316 jQuery.each([ "Height", "Width" ], function(i, name){
1317 var type = name.toLowerCase();
1319 jQuery.fn[ type ] = function( size ) {
1320 // Get window width or height
1321 return this[0] == window ?
1322 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1323 jQuery.browser.opera && document.body[ "client" + name ] ||
1325 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1326 jQuery.browser.safari && window[ "inner" + name ] ||
1328 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1329 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1331 // Get document width or height
1332 this[0] == document ?
1333 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1335 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1336 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1339 // Get or set width or height on the element
1341 // Get width or height on the element
1342 (this.length ? jQuery.css( this[0], type ) : null) :
1344 // Set the width or height on the element (default to pixels if value is unitless)
1345 this.css( type, size.constructor == String ? size : size + "px" );