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 if (this.nodeType == 3)
328 var events = jQuery.data( this, "events" );
330 for ( var type in events )
331 for ( var handler in events[ type ] )
332 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
335 // Return the cloned set
339 filter: function( selector ) {
340 return this.pushStack(
341 jQuery.isFunction( selector ) &&
342 jQuery.grep(this, function(elem, i){
343 return selector.call( elem, i );
346 jQuery.multiFilter( selector, this ) );
349 not: function( selector ) {
350 if ( selector.constructor == String )
351 // test special case where just one selector is passed in
352 if ( isSimple.test( selector ) )
353 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
355 selector = jQuery.multiFilter( selector, this );
357 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
358 return this.filter(function() {
359 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
363 add: function( selector ) {
364 return !selector ? this : this.pushStack( jQuery.merge(
366 selector.constructor == String ?
367 jQuery( selector ).get() :
368 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
369 selector : [selector] ) );
372 is: function( selector ) {
374 jQuery.multiFilter( selector, this ).length > 0 :
378 hasClass: function( selector ) {
379 return this.is( "." + selector );
382 val: function( value ) {
383 if ( value == undefined ) {
388 // We need to handle select boxes special
389 if ( jQuery.nodeName( elem, "select" ) ) {
390 var index = elem.selectedIndex,
392 options = elem.options,
393 one = elem.type == "select-one";
395 // Nothing was selected
399 // Loop through all the selected options
400 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
401 var option = options[ i ];
403 if ( option.selected ) {
404 // Get the specifc value for the option
405 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
407 // We don't need an array for one selects
411 // Multi-Selects return an array
412 values.push( value );
418 // Everything else, we just grab the value
420 return (this[0].value || "").replace(/\r/g, "");
427 return this.each(function(){
428 if ( this.nodeType != 1 )
431 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
432 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
433 jQuery.inArray(this.name, value) >= 0);
435 else if ( jQuery.nodeName( this, "select" ) ) {
436 var values = value.constructor == Array ?
440 jQuery( "option", this ).each(function(){
441 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
442 jQuery.inArray( this.text, values ) >= 0);
445 if ( !values.length )
446 this.selectedIndex = -1;
453 html: function( value ) {
454 return value == undefined ?
458 this.empty().append( value );
461 replaceWith: function( value ) {
462 return this.after( value ).remove();
466 return this.slice( i, i + 1 );
470 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
473 map: function( callback ) {
474 return this.pushStack( jQuery.map(this, function(elem, i){
475 return callback.call( elem, i, elem );
479 andSelf: function() {
480 return this.add( this.prevObject );
483 domManip: function( args, table, reverse, callback ) {
484 var clone = this.length > 1, elems;
486 return this.each(function(){
488 elems = jQuery.clean( args, this.ownerDocument );
496 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
497 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
499 var scripts = jQuery( [] );
501 jQuery.each(elems, function(){
503 jQuery( this ).clone( true )[0] :
506 // execute all scripts after the elements have been injected
507 if ( jQuery.nodeName( elem, "script" ) ) {
508 scripts = scripts.add( elem );
510 // Remove any inner scripts for later evaluation
511 if ( elem.nodeType == 1 )
512 scripts = scripts.add( jQuery( "script", elem ).remove() );
514 // Inject the elements into the document
515 callback.call( obj, elem );
519 scripts.each( evalScript );
524 // Give the init function the jQuery prototype for later instantiation
525 jQuery.prototype.init.prototype = jQuery.prototype;
527 function evalScript( i, elem ) {
536 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
538 if ( elem.parentNode )
539 elem.parentNode.removeChild( elem );
542 jQuery.extend = jQuery.fn.extend = function() {
543 // copy reference to target object
544 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
546 // Handle a deep copy situation
547 if ( target.constructor == Boolean ) {
549 target = arguments[1] || {};
550 // skip the boolean and the target
554 // Handle case when target is a string or something (possible in deep copy)
555 if ( typeof target != "object" && typeof target != "function" )
558 // extend jQuery itself if only one argument is passed
564 for ( ; i < length; i++ )
565 // Only deal with non-null/undefined values
566 if ( (options = arguments[ i ]) != null )
567 // Extend the base object
568 for ( var name in options ) {
569 // Prevent never-ending loop
570 if ( target === options[ name ] )
573 // Recurse if we're merging object values
574 if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
575 target[ name ] = jQuery.extend( target[ name ], options[ name ] );
577 // Don't bring in undefined values
578 else if ( options[ name ] != undefined )
579 target[ name ] = options[ name ];
583 // Return the modified object
587 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
589 // exclude the following css properties to add px
590 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
593 noConflict: function( deep ) {
597 window.jQuery = _jQuery;
602 // This may seem like some crazy code, but trust me when I say that this
603 // is the only cross-browser way to do this. --John
604 isFunction: function( fn ) {
605 return !!fn && typeof fn != "string" && !fn.nodeName &&
606 fn.constructor != Array && /function/i.test( fn + "" );
609 // check if an element is in a (or is an) XML document
610 isXMLDoc: function( elem ) {
611 return elem.documentElement && !elem.body ||
612 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
615 // Evalulates a script in a global context
616 globalEval: function( data ) {
617 data = jQuery.trim( data );
620 // Inspired by code by Andrea Giammarchi
621 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
622 var head = document.getElementsByTagName("head")[0] || document.documentElement,
623 script = document.createElement("script");
625 script.type = "text/javascript";
626 if ( jQuery.browser.msie )
629 script.appendChild( document.createTextNode( data ) );
631 head.appendChild( script );
632 head.removeChild( script );
636 nodeName: function( elem, name ) {
637 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
642 data: function( elem, name, data ) {
643 elem = elem == window ?
647 var id = elem[ expando ];
649 // Compute a unique ID for the element
651 id = elem[ expando ] = ++uuid;
653 // Only generate the data cache if we're
654 // trying to access or manipulate it
655 if ( name && !jQuery.cache[ id ] )
656 jQuery.cache[ id ] = {};
658 // Prevent overriding the named cache with undefined values
659 if ( data != undefined )
660 jQuery.cache[ id ][ name ] = data;
662 // Return the named cache data, or the ID for the element
664 jQuery.cache[ id ][ name ] :
668 removeData: function( elem, name ) {
669 elem = elem == window ?
673 var id = elem[ expando ];
675 // If we want to remove a specific section of the element's data
677 if ( jQuery.cache[ id ] ) {
678 // Remove the section of cache data
679 delete jQuery.cache[ id ][ name ];
681 // If we've removed all the data, remove the element's cache
684 for ( name in jQuery.cache[ id ] )
688 jQuery.removeData( elem );
691 // Otherwise, we want to remove all of the element's data
693 // Clean up the element expando
695 delete elem[ expando ];
697 // IE has trouble directly removing the expando
698 // but it's ok with using removeAttribute
699 if ( elem.removeAttribute )
700 elem.removeAttribute( expando );
703 // Completely remove the data cache
704 delete jQuery.cache[ id ];
708 // args is for internal usage only
709 each: function( object, callback, args ) {
711 if ( object.length == undefined )
712 for ( var name in object )
713 callback.apply( object[ name ], args );
715 for ( var i = 0, length = object.length; i < length; i++ )
716 if ( callback.apply( object[ i ], args ) === false )
719 // A special, fast, case for the most common use of each
721 if ( object.length == undefined )
722 for ( var name in object )
723 callback.call( object[ name ], name, object[ name ] );
725 for ( var i = 0, length = object.length, value = object[0];
726 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
732 prop: function( elem, value, type, i, name ) {
733 // Handle executable functions
734 if ( jQuery.isFunction( value ) )
735 value = value.call( elem, i );
737 // Handle passing in a number to a CSS property
738 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
744 // internal only, use addClass("class")
745 add: function( elem, classNames ) {
746 jQuery.each((classNames || "").split(/\s+/), function(i, className){
747 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
748 elem.className += (elem.className ? " " : "") + className;
752 // internal only, use removeClass("class")
753 remove: function( elem, classNames ) {
754 if (elem.nodeType == 1)
755 elem.className = classNames != undefined ?
756 jQuery.grep(elem.className.split(/\s+/), function(className){
757 return !jQuery.className.has( classNames, className );
762 // internal only, use is(".class")
763 has: function( elem, className ) {
764 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
768 // A method for quickly swapping in/out CSS properties to get correct calculations
769 swap: function( elem, options, callback ) {
771 // Remember the old values, and insert the new ones
772 for ( var name in options ) {
773 old[ name ] = elem.style[ name ];
774 elem.style[ name ] = options[ name ];
777 callback.call( elem );
779 // Revert the old values
780 for ( var name in options )
781 elem.style[ name ] = old[ name ];
784 css: function( elem, name, force ) {
785 if ( name == "width" || name == "height" ) {
786 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
789 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
790 var padding = 0, border = 0;
791 jQuery.each( which, function() {
792 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
793 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
795 val -= Math.round(padding + border);
798 if ( jQuery(elem).is(":visible") )
801 jQuery.swap( elem, props, getWH );
803 return Math.max(0, val);
806 return jQuery.curCSS( elem, name, force );
809 curCSS: function( elem, name, force ) {
812 // A helper method for determining if an element's values are broken
813 function color( elem ) {
814 if ( !jQuery.browser.safari )
817 var ret = document.defaultView.getComputedStyle( elem, null );
818 return !ret || ret.getPropertyValue("color") == "";
821 // We need to handle opacity special in IE
822 if ( name == "opacity" && jQuery.browser.msie ) {
823 ret = jQuery.attr( elem.style, "opacity" );
829 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
830 if ( jQuery.browser.opera && name == "display" ) {
831 var save = elem.style.display;
832 elem.style.display = "block";
833 elem.style.display = save;
836 // Make sure we're using the right name for getting the float value
837 if ( name.match( /float/i ) )
840 if ( !force && elem.style[ name ] )
841 ret = elem.style[ name ];
843 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
845 // Only "float" is needed here
846 if ( name.match( /float/i ) )
849 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
851 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
853 if ( getComputedStyle && !color( elem ) )
854 ret = getComputedStyle.getPropertyValue( name );
856 // If the element isn't reporting its values properly in Safari
857 // then some display: none elements are involved
859 var swap = [], stack = [];
861 // Locate all of the parent display: none elements
862 for ( var a = elem; a && color(a); a = a.parentNode )
865 // Go through and make them visible, but in reverse
866 // (It would be better if we knew the exact display type that they had)
867 for ( var i = 0; i < stack.length; i++ )
868 if ( color( stack[ i ] ) ) {
869 swap[ i ] = stack[ i ].style.display;
870 stack[ i ].style.display = "block";
873 // Since we flip the display style, we have to handle that
874 // one special, otherwise get the value
875 ret = name == "display" && swap[ stack.length - 1 ] != null ?
877 ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
879 // Finally, revert the display styles back
880 for ( var i = 0; i < swap.length; i++ )
881 if ( swap[ i ] != null )
882 stack[ i ].style.display = swap[ i ];
885 // We should always get a number back from opacity
886 if ( name == "opacity" && ret == "" )
889 } else if ( elem.currentStyle ) {
890 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
891 return letter.toUpperCase();
894 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
896 // From the awesome hack by Dean Edwards
897 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
899 // If we're not dealing with a regular pixel number
900 // but a number that has a weird ending, we need to convert it to pixels
901 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
902 // Remember the original values
903 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
905 // Put in the new values to get a computed value out
906 elem.runtimeStyle.left = elem.currentStyle.left;
907 elem.style.left = ret || 0;
908 ret = elem.style.pixelLeft + "px";
910 // Revert the changed values
911 elem.style.left = style;
912 elem.runtimeStyle.left = runtimeStyle;
919 clean: function( elems, context ) {
921 context = context || document;
922 // !context.createElement fails in IE with an error but returns typeof 'object'
923 if (typeof context.createElement == 'undefined')
924 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
926 jQuery.each(elems, function(i, elem){
930 if ( elem.constructor == Number )
931 elem = elem.toString();
933 // Convert html string into DOM nodes
934 if ( typeof elem == "string" ) {
935 // Fix "XHTML"-style tags in all browsers
936 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
937 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
939 front + "></" + tag + ">";
942 // Trim whitespace, otherwise indexOf won't work as expected
943 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
946 // option or optgroup
947 !tags.indexOf("<opt") &&
948 [ 1, "<select multiple='multiple'>", "</select>" ] ||
950 !tags.indexOf("<leg") &&
951 [ 1, "<fieldset>", "</fieldset>" ] ||
953 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
954 [ 1, "<table>", "</table>" ] ||
956 !tags.indexOf("<tr") &&
957 [ 2, "<table><tbody>", "</tbody></table>" ] ||
959 // <thead> matched above
960 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
961 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
963 !tags.indexOf("<col") &&
964 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
966 // IE can't serialize <link> and <script> tags normally
967 jQuery.browser.msie &&
968 [ 1, "div<div>", "</div>" ] ||
972 // Go to html and back, then peel off extra wrappers
973 div.innerHTML = wrap[1] + elem + wrap[2];
975 // Move to the right depth
979 // Remove IE's autoinserted <tbody> from table fragments
980 if ( jQuery.browser.msie ) {
982 // String was a <table>, *may* have spurious <tbody>
983 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
984 div.firstChild && div.firstChild.childNodes :
986 // String was a bare <thead> or <tfoot>
987 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
991 for ( var j = tbody.length - 1; j >= 0 ; --j )
992 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
993 tbody[ j ].parentNode.removeChild( tbody[ j ] );
995 // IE completely kills leading whitespace when innerHTML is used
996 if ( /^\s/.test( elem ) )
997 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
1001 elem = jQuery.makeArray( div.childNodes );
1004 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1007 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1011 ret = jQuery.merge( ret, elem );
1018 attr: function( elem, name, value ) {
1019 // don't set attributes on text and comment nodes
1020 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1023 var fix = jQuery.isXMLDoc( elem ) ?
1027 // Safari mis-reports the default selected property of a hidden option
1028 // Accessing the parent's selectedIndex property fixes it
1029 if ( name == "selected" && jQuery.browser.safari )
1030 elem.parentNode.selectedIndex;
1032 // Certain attributes only work when accessed via the old DOM 0 way
1033 if ( fix[ name ] ) {
1034 if ( value != undefined )
1035 elem[ fix[ name ] ] = value;
1037 return elem[ fix[ name ] ];
1039 } else if ( jQuery.browser.msie && name == "style" )
1040 return jQuery.attr( elem.style, "cssText", value );
1042 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1043 return elem.getAttributeNode( name ).nodeValue;
1045 // IE elem.getAttribute passes even for style
1046 else if ( elem.tagName ) {
1048 if ( value != undefined ) {
1049 // We can't allow the type property to be changed (since it causes problems in IE)
1050 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1051 throw "type property can't be changed";
1053 // convert the value to a string (all browsers do this but IE) see #1070
1054 elem.setAttribute( name, "" + value );
1057 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1058 return elem.getAttribute( name, 2 );
1060 return elem.getAttribute( name );
1062 // elem is actually elem.style ... set the style
1064 // IE actually uses filters for opacity
1065 if ( name == "opacity" && jQuery.browser.msie ) {
1066 if ( value != undefined ) {
1067 // IE has trouble with opacity if it does not have layout
1068 // Force it by setting the zoom level
1071 // Set the alpha filter to set the opacity
1072 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1073 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1076 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1077 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1081 name = name.replace(/-([a-z])/ig, function(all, letter){
1082 return letter.toUpperCase();
1085 if ( value != undefined )
1086 elem[ name ] = value;
1088 return elem[ name ];
1092 trim: function( text ) {
1093 return (text || "").replace( /^\s+|\s+$/g, "" );
1096 makeArray: function( array ) {
1099 // Need to use typeof to fight Safari childNodes crashes
1100 if ( typeof array != "array" )
1101 for ( var i = 0, length = array.length; i < length; i++ )
1102 ret.push( array[ i ] );
1104 ret = array.slice( 0 );
1109 inArray: function( elem, array ) {
1110 for ( var i = 0, length = array.length; i < length; i++ )
1111 if ( array[ i ] == elem )
1117 merge: function( first, second ) {
1118 // We have to loop this way because IE & Opera overwrite the length
1119 // expando of getElementsByTagName
1121 // Also, we need to make sure that the correct elements are being returned
1122 // (IE returns comment nodes in a '*' query)
1123 if ( jQuery.browser.msie ) {
1124 for ( var i = 0; second[ i ]; i++ )
1125 if ( second[ i ].nodeType != 8 )
1126 first.push( second[ i ] );
1129 for ( var i = 0; second[ i ]; i++ )
1130 first.push( second[ i ] );
1135 unique: function( array ) {
1136 var ret = [], done = {};
1140 for ( var i = 0, length = array.length; i < length; i++ ) {
1141 var id = jQuery.data( array[ i ] );
1143 if ( !done[ id ] ) {
1145 ret.push( array[ i ] );
1156 grep: function( elems, callback, inv ) {
1157 // If a string is passed in for the function, make a function
1158 // for it (a handy shortcut)
1159 if ( typeof callback == "string" )
1160 callback = eval("false||function(a,i){return " + callback + "}");
1164 // Go through the array, only saving the items
1165 // that pass the validator function
1166 for ( var i = 0, length = elems.length; i < length; i++ )
1167 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1168 ret.push( elems[ i ] );
1173 map: function( elems, callback ) {
1176 // Go through the array, translating each of the items to their
1177 // new value (or values).
1178 for ( var i = 0, length = elems.length; i < length; i++ ) {
1179 var value = callback( elems[ i ], i );
1181 if ( value !== null && value != undefined ) {
1182 if ( value.constructor != Array )
1185 ret = ret.concat( value );
1193 var userAgent = navigator.userAgent.toLowerCase();
1195 // Figure out what browser is being used
1197 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1198 safari: /webkit/.test( userAgent ),
1199 opera: /opera/.test( userAgent ),
1200 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1201 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1204 var styleFloat = jQuery.browser.msie ?
1209 // Check to see if the W3C box model is being used
1210 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1214 "class": "className",
1215 "float": styleFloat,
1216 cssFloat: styleFloat,
1217 styleFloat: styleFloat,
1218 innerHTML: "innerHTML",
1219 className: "className",
1221 disabled: "disabled",
1223 readonly: "readOnly",
1224 selected: "selected",
1225 maxlength: "maxLength",
1226 selectedIndex: "selectedIndex",
1227 defaultValue: "defaultValue",
1229 nodeName: "nodeName"
1234 parent: "elem.parentNode",
1235 parents: "jQuery.dir(elem,'parentNode')",
1236 next: "jQuery.nth(elem,2,'nextSibling')",
1237 prev: "jQuery.nth(elem,2,'previousSibling')",
1238 nextAll: "jQuery.dir(elem,'nextSibling')",
1239 prevAll: "jQuery.dir(elem,'previousSibling')",
1240 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1241 children: "jQuery.sibling(elem.firstChild)",
1242 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1243 }, function(name, fn){
1244 fn = eval("false||function(elem){return " + fn + "}");
1246 jQuery.fn[ name ] = function( selector ) {
1247 var ret = jQuery.map( this, fn );
1249 if ( selector && typeof selector == "string" )
1250 ret = jQuery.multiFilter( selector, ret );
1252 return this.pushStack( jQuery.unique( ret ) );
1258 prependTo: "prepend",
1259 insertBefore: "before",
1260 insertAfter: "after",
1261 replaceAll: "replaceWith"
1262 }, function(name, original){
1263 jQuery.fn[ name ] = function() {
1264 var args = arguments;
1266 return this.each(function(){
1267 for ( var i = 0, length = args.length; i < length; i++ )
1268 jQuery( args[ i ] )[ original ]( this );
1274 removeAttr: function( name ) {
1275 jQuery.attr( this, name, "" );
1276 if (this.nodeType == 1)
1277 this.removeAttribute( name );
1280 addClass: function( classNames ) {
1281 jQuery.className.add( this, classNames );
1284 removeClass: function( classNames ) {
1285 jQuery.className.remove( this, classNames );
1288 toggleClass: function( classNames ) {
1289 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1292 remove: function( selector ) {
1293 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1294 // Prevent memory leaks
1295 jQuery( "*", this ).add(this).each(function(){
1296 jQuery.event.remove(this);
1297 jQuery.removeData(this);
1299 if (this.parentNode)
1300 this.parentNode.removeChild( this );
1305 // Remove element nodes and prevent memory leaks
1306 jQuery( ">*", this ).remove();
1308 // Remove any remaining nodes
1309 while ( this.firstChild )
1310 this.removeChild( this.firstChild );
1312 }, function(name, fn){
1313 jQuery.fn[ name ] = function(){
1314 return this.each( fn, arguments );
1318 jQuery.each([ "Height", "Width" ], function(i, name){
1319 var type = name.toLowerCase();
1321 jQuery.fn[ type ] = function( size ) {
1322 // Get window width or height
1323 return this[0] == window ?
1324 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1325 jQuery.browser.opera && document.body[ "client" + name ] ||
1327 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1328 jQuery.browser.safari && window[ "inner" + name ] ||
1330 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1331 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1333 // Get document width or height
1334 this[0] == document ?
1335 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1337 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1338 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1341 // Get or set width or height on the element
1343 // Get width or height on the element
1344 (this.length ? jQuery.css( this[0], type ) : null) :
1346 // Set the width or height on the element (default to pixels if value is unitless)
1347 this.css( type, size.constructor == String ? size : size + "px" );