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
13 if ( typeof jQuery != "undefined" )
16 var jQuery = window.jQuery = function(a,c) {
17 // If the context is global, return a new object
18 if ( window == this || !this.init )
19 return new jQuery(a,c);
21 return this.init(a,c);
24 // Map over the $ in case of overwrite
25 if ( typeof $ != "undefined" )
28 // Map the jQuery namespace to the '$' one
31 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
33 jQuery.fn = jQuery.prototype = {
35 // Make sure that a selection was provided
38 // Handle HTML strings
39 if ( typeof a == "string" ) {
40 var m = quickExpr.exec(a);
41 if ( m && (m[1] || !c) ) {
42 // HANDLE: $(html) -> $(array)
44 a = jQuery.clean( [ m[1] ], c );
48 var tmp = document.getElementById( m[3] );
50 // Handle the case where IE and Opera return items
51 // by name instead of ID
53 return jQuery().find( a );
65 return new jQuery( c ).find( a );
67 // HANDLE: $(function)
68 // Shortcut for document ready
69 } else if ( jQuery.isFunction(a) )
70 return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );
74 a.constructor == Array && a ||
76 // HANDLE: $(arraylike)
77 // Watch for when an array-like object is passed as the selector
78 (a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) ||
92 get: function( num ) {
93 return num == undefined ?
95 // Return a 'clean' array
96 jQuery.makeArray( this ) :
98 // Return just the object
102 pushStack: function( a ) {
104 ret.prevObject = this;
108 setArray: function( a ) {
110 Array.prototype.push.apply( this, a );
114 each: function( fn, args ) {
115 return jQuery.each( this, fn, args );
118 index: function( obj ) {
120 this.each(function(i){
121 if ( this == obj ) pos = i;
126 attr: function( key, value, type ) {
129 // Look for the case where we're accessing a style value
130 if ( key.constructor == String )
131 if ( value == undefined )
132 return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
138 // Check to see if we're setting style values
139 return this.each(function(index){
140 // Set all the styles
141 for ( var prop in obj )
143 type ? this.style : this,
144 prop, jQuery.prop(this, obj[prop], type, index, prop)
149 css: function( key, value ) {
150 return this.attr( key, value, "curCSS" );
154 if ( typeof e != "object" && e != null )
155 return this.empty().append( document.createTextNode( e ) );
158 jQuery.each( e || this, function(){
159 jQuery.each( this.childNodes, function(){
160 if ( this.nodeType != 8 )
161 t += this.nodeType != 1 ?
162 this.nodeValue : jQuery.fn.text([ this ]);
168 wrapAll: function(html) {
170 // The elements to wrap the target around
171 jQuery(html, this[0].ownerDocument)
173 .insertBefore(this[0])
176 while ( elem.firstChild )
177 elem = elem.firstChild;
185 wrapInner: function(html) {
186 return this.each(function(){
187 jQuery(this).contents().wrapAll(html);
191 wrap: function(html) {
192 return this.each(function(){
193 jQuery(this).wrapAll(html);
198 return this.domManip(arguments, true, 1, function(a){
199 this.appendChild( a );
203 prepend: function() {
204 return this.domManip(arguments, true, -1, function(a){
205 this.insertBefore( a, this.firstChild );
210 return this.domManip(arguments, false, 1, function(a){
211 this.parentNode.insertBefore( a, this );
216 return this.domManip(arguments, false, -1, function(a){
217 this.parentNode.insertBefore( a, this.nextSibling );
222 return this.prevObject || jQuery([]);
226 var data = jQuery.map(this, function(a){ return jQuery.find(t,a); });
227 return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ?
228 jQuery.unique( data ) : data );
231 clone: function(deep) {
232 deep = deep != undefined ? deep : true;
233 var $this = this.add(this.find("*"));
234 if (jQuery.browser.msie) {
235 // Need to remove events on the element and its descendants
236 $this.each(function() {
238 for (var type in this.$events)
239 this._$events[type] = jQuery.extend({},this.$events[type]);
244 var r = this.pushStack( jQuery.map( this, function(a){
245 return a.cloneNode( deep );
248 if (jQuery.browser.msie) {
249 $this.each(function() {
250 // Add the events back to the original and its descendants
251 var events = this._$events;
252 for (var type in events)
253 for (var handler in events[type])
254 jQuery.event.add(this, type, events[type][handler], events[type][handler].data);
255 this._$events = null;
259 // copy form values over
261 var inputs = r.add(r.find('*')).filter('select,input[@type=checkbox]');
262 $this.filter('select,input[@type=checkbox]').each(function(i) {
263 if (this.selectedIndex)
264 inputs[i].selectedIndex = this.selectedIndex;
266 inputs[i].checked = true;
270 // Return the cloned set
274 filter: function(t) {
275 return this.pushStack(
276 jQuery.isFunction( t ) &&
277 jQuery.grep(this, function(el, index){
278 return t.apply(el, [index]);
281 jQuery.multiFilter(t,this) );
285 return this.pushStack(
286 t.constructor == String &&
287 jQuery.multiFilter(t, this, true) ||
289 jQuery.grep(this, function(a) {
290 return ( t.constructor == Array || t.jquery )
291 ? jQuery.inArray( a, t ) < 0
298 return this.pushStack( jQuery.merge(
300 t.constructor == String ?
302 t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
308 return expr ? jQuery.multiFilter(expr,this).length > 0 : false;
311 val: function( val ) {
312 return val == undefined ?
313 ( this.length ? this[0].value : null ) :
314 this.attr( "value", val );
317 html: function( val ) {
318 return val == undefined ?
319 ( this.length ? this[0].innerHTML : null ) :
320 this.empty().append( val );
323 replaceWith: function( val ) {
324 return this.after( val ).remove();
328 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
332 return this.pushStack(jQuery.map( this, function(elem,i){
333 return fn.call( elem, i, elem );
337 domManip: function(args, table, dir, fn){
338 var clone = this.length > 1, a;
340 return this.each(function(){
342 a = jQuery.clean(args, this.ownerDocument);
349 if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
350 obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
352 jQuery.each( a, function(){
353 if ( jQuery.nodeName(this, "script") ) {
355 jQuery.ajax({ url: this.src, async: false, dataType: "script" });
357 jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" );
359 fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
365 jQuery.extend = jQuery.fn.extend = function() {
366 // copy reference to target object
367 var target = arguments[0] || {}, a = 1, al = arguments.length, deep = false;
369 // Handle a deep copy situation
370 if ( target.constructor == Boolean ) {
372 target = arguments[1] || {};
375 // extend jQuery itself if only one argument is passed
383 for ( ; a < al; a++ )
384 // Only deal with non-null/undefined values
385 if ( (prop = arguments[a]) != null )
386 // Extend the base object
387 for ( var i in prop ) {
388 // Prevent never-ending loop
389 if ( target == prop[i] )
392 // Recurse if we're merging object values
393 if ( deep && typeof prop[i] == 'object' && target[i] )
394 jQuery.extend( target[i], prop[i] );
396 // Don't bring in undefined values
397 else if ( prop[i] != undefined )
401 // Return the modified object
406 noConflict: function(deep) {
409 window.jQuery = _jQuery;
413 // This may seem like some crazy code, but trust me when I say that this
414 // is the only cross-browser way to do this. --John
415 isFunction: function( fn ) {
416 return !!fn && typeof fn != "string" && !fn.nodeName &&
417 fn.constructor != Array && /function/i.test( fn + "" );
420 // check if an element is in a XML document
421 isXMLDoc: function(elem) {
422 return elem.documentElement && !elem.body ||
423 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
426 // Evalulates a script in a global context
427 // Evaluates Async. in Safari 2 :-(
428 globalEval: function( data ) {
429 data = jQuery.trim( data );
431 if ( window.execScript )
432 window.execScript( data );
433 else if ( jQuery.browser.safari )
434 // safari doesn't provide a synchronous global eval
435 window.setTimeout( data, 0 );
437 eval.call( window, data );
441 nodeName: function( elem, name ) {
442 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
445 // args is for internal usage only
446 each: function( obj, fn, args ) {
448 if ( obj.length == undefined )
450 fn.apply( obj[i], args );
452 for ( var i = 0, ol = obj.length; i < ol; i++ )
453 if ( fn.apply( obj[i], args ) === false ) break;
455 // A special, fast, case for the most common use of each
457 if ( obj.length == undefined )
459 fn.call( obj[i], i, obj[i] );
461 for ( var i = 0, ol = obj.length, val = obj[0];
462 i < ol && fn.call(val,i,val) !== false; val = obj[++i] ){}
468 prop: function(elem, value, type, index, prop){
469 // Handle executable functions
470 if ( jQuery.isFunction( value ) )
471 value = value.call( elem, [index] );
473 // exclude the following css properties to add px
474 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
476 // Handle passing in a number to a CSS property
477 return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
483 // internal only, use addClass("class")
484 add: function( elem, c ){
485 jQuery.each( (c || "").split(/\s+/), function(i, cur){
486 if ( !jQuery.className.has( elem.className, cur ) )
487 elem.className += ( elem.className ? " " : "" ) + cur;
491 // internal only, use removeClass("class")
492 remove: function( elem, c ){
493 elem.className = c != undefined ?
494 jQuery.grep( elem.className.split(/\s+/), function(cur){
495 return !jQuery.className.has( c, cur );
499 // internal only, use is(".class")
500 has: function( t, c ) {
501 return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1;
505 swap: function(e,o,f) {
507 e.style["old"+i] = e.style[i];
512 e.style[i] = e.style["old"+i];
516 if ( p == "height" || p == "width" ) {
517 var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
519 jQuery.each( d, function(){
520 old["padding" + this] = 0;
521 old["border" + this + "Width"] = 0;
524 jQuery.swap( e, old, function() {
525 if ( jQuery(e).is(':visible') ) {
526 oHeight = e.offsetHeight;
527 oWidth = e.offsetWidth;
529 e = jQuery(e.cloneNode(true))
530 .find(":radio").removeAttr("checked").end()
532 visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
533 }).appendTo(e.parentNode)[0];
535 var parPos = jQuery.css(e.parentNode,"position") || "static";
536 if ( parPos == "static" )
537 e.parentNode.style.position = "relative";
539 oHeight = e.clientHeight;
540 oWidth = e.clientWidth;
542 if ( parPos == "static" )
543 e.parentNode.style.position = "static";
545 e.parentNode.removeChild(e);
549 return p == "height" ? oHeight : oWidth;
552 return jQuery.curCSS( e, p );
555 curCSS: function(elem, prop, force) {
556 var ret, stack = [], swap = [];
558 // A helper method for determining if an element's values are broken
560 if ( !jQuery.browser.safari )
563 var ret = document.defaultView.getComputedStyle(a,null);
564 return !ret || ret.getPropertyValue("color") == "";
567 if (prop == "opacity" && jQuery.browser.msie) {
568 ret = jQuery.attr(elem.style, "opacity");
569 return ret == "" ? "1" : ret;
572 if (prop.match(/float/i))
575 if (!force && elem.style[prop])
576 ret = elem.style[prop];
578 else if (document.defaultView && document.defaultView.getComputedStyle) {
580 if (prop.match(/float/i))
583 prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
584 var cur = document.defaultView.getComputedStyle(elem, null);
586 if ( cur && !color(elem) )
587 ret = cur.getPropertyValue(prop);
589 // If the element isn't reporting its values properly in Safari
590 // then some display: none elements are involved
592 // Locate all of the parent display: none elements
593 for ( var a = elem; a && color(a); a = a.parentNode )
596 // Go through and make them visible, but in reverse
597 // (It would be better if we knew the exact display type that they had)
598 for ( a = 0; a < stack.length; a++ )
599 if ( color(stack[a]) ) {
600 swap[a] = stack[a].style.display;
601 stack[a].style.display = "block";
604 // Since we flip the display style, we have to handle that
605 // one special, otherwise get the value
606 ret = prop == "display" && swap[stack.length-1] != null ?
608 document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) || "";
610 // Finally, revert the display styles back
611 for ( a = 0; a < swap.length; a++ )
612 if ( swap[a] != null )
613 stack[a].style.display = swap[a];
616 if ( prop == "opacity" && ret == "" )
619 } else if (elem.currentStyle) {
620 var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
621 ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
627 clean: function(a, doc) {
629 doc = doc || document;
631 jQuery.each( a, function(i,arg){
634 if ( arg.constructor == Number )
635 arg = arg.toString();
637 // Convert html string into DOM nodes
638 if ( typeof arg == "string" ) {
639 // Trim whitespace, otherwise indexOf won't work as expected
640 var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = [];
643 // option or optgroup
644 !s.indexOf("<opt") &&
645 [1, "<select>", "</select>"] ||
647 !s.indexOf("<leg") &&
648 [1, "<fieldset>", "</fieldset>"] ||
650 s.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
651 [1, "<table>", "</table>"] ||
654 [2, "<table><tbody>", "</tbody></table>"] ||
656 // <thead> matched above
657 (!s.indexOf("<td") || !s.indexOf("<th")) &&
658 [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
660 !s.indexOf("<col") &&
661 [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"] ||
663 // IE can't serialize <link> and <script> tags normally
664 jQuery.browser.msie &&
665 [1, "div<div>", "</div>"] ||
669 // Go to html and back, then peel off extra wrappers
670 div.innerHTML = wrap[1] + arg + wrap[2];
672 // Move to the right depth
676 // Remove IE's autoinserted <tbody> from table fragments
677 if ( jQuery.browser.msie ) {
679 // String was a <table>, *may* have spurious <tbody>
680 if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 )
681 tb = div.firstChild && div.firstChild.childNodes;
683 // String was a bare <thead> or <tfoot>
684 else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
687 for ( var n = tb.length-1; n >= 0 ; --n )
688 if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
689 tb[n].parentNode.removeChild(tb[n]);
691 // IE completely kills leading whitespace when innerHTML is used
692 if ( /^\s/.test(arg) )
693 div.insertBefore( doc.createTextNode( arg.match(/^\s*/)[0] ), div.firstChild );
697 arg = jQuery.makeArray( div.childNodes );
700 if ( 0 === arg.length && (!jQuery.nodeName(arg, "form") && !jQuery.nodeName(arg, "select")) )
703 if ( arg[0] == undefined || jQuery.nodeName(arg, "form") || arg.options )
706 r = jQuery.merge( r, arg );
713 attr: function(elem, name, value){
714 var fix = jQuery.isXMLDoc(elem) ? {} : jQuery.props;
716 // Safari mis-reports the default selected property of a hidden option
717 // Accessing the parent's selectedIndex property fixes it
718 if ( name == "selected" && jQuery.browser.safari )
719 elem.parentNode.selectedIndex;
721 // Certain attributes only work when accessed via the old DOM 0 way
723 if ( value != undefined ) elem[fix[name]] = value;
724 return elem[fix[name]];
725 } else if ( jQuery.browser.msie && name == "style" )
726 return jQuery.attr( elem.style, "cssText", value );
728 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
729 return elem.getAttributeNode(name).nodeValue;
731 // IE elem.getAttribute passes even for style
732 else if ( elem.tagName ) {
734 if ( value != undefined ) elem.setAttribute( name, value );
735 if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
736 return elem.getAttribute( name, 2 );
737 return elem.getAttribute( name );
739 // elem is actually elem.style ... set the style
741 // IE actually uses filters for opacity
742 if ( name == "opacity" && jQuery.browser.msie ) {
743 if ( value != undefined ) {
744 // IE has trouble with opacity if it does not have layout
745 // Force it by setting the zoom level
748 // Set the alpha filter to set the opacity
749 elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
750 (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
754 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
756 name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
757 if ( value != undefined ) elem[name] = value;
763 return (t||"").replace(/^\s+|\s+$/g, "");
766 makeArray: function( a ) {
769 // Need to use typeof to fight Safari childNodes crashes
770 if ( typeof a != "array" )
771 for ( var i = 0, al = a.length; i < al; i++ )
779 inArray: function( b, a ) {
780 for ( var i = 0, al = a.length; i < al; i++ )
786 merge: function(first, second) {
787 // We have to loop this way because IE & Opera overwrite the length
788 // expando of getElementsByTagName
790 // Also, we need to make sure that the correct elements are being returned
791 // (IE returns comment nodes in a '*' query)
792 if ( jQuery.browser.msie ) {
793 for ( var i = 0; second[i]; i++ )
794 if ( second[i].nodeType != 8 )
795 first.push(second[i]);
797 for ( var i = 0; second[i]; i++ )
798 first.push(second[i]);
803 unique: function(first) {
804 var r = [], num = jQuery.mergeNum++;
807 for ( var i = 0, fl = first.length; i < fl; i++ )
808 if ( num != first[i].mergeNum ) {
809 first[i].mergeNum = num;
821 grep: function(elems, fn, inv) {
822 // If a string is passed in for the function, make a function
823 // for it (a handy shortcut)
824 if ( typeof fn == "string" )
825 fn = eval("false||function(a,i){return " + fn + "}");
829 // Go through the array, only saving the items
830 // that pass the validator function
831 for ( var i = 0, el = elems.length; i < el; i++ )
832 if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
833 result.push( elems[i] );
838 map: function(elems, fn) {
839 // If a string is passed in for the function, make a function
840 // for it (a handy shortcut)
841 if ( typeof fn == "string" )
842 fn = eval("false||function(a){return " + fn + "}");
846 // Go through the array, translating each of the items to their
847 // new value (or values).
848 for ( var i = 0, el = elems.length; i < el; i++ ) {
849 var val = fn(elems[i],i);
851 if ( val !== null && val != undefined ) {
852 if ( val.constructor != Array ) val = [val];
853 result = result.concat( val );
861 var userAgent = navigator.userAgent.toLowerCase();
863 // Figure out what browser is being used
865 version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
866 safari: /webkit/.test(userAgent),
867 opera: /opera/.test(userAgent),
868 msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
869 mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
872 var styleFloat = jQuery.browser.msie ? "styleFloat" : "cssFloat";
875 // Check to see if the W3C box model is being used
876 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
878 styleFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
882 "class": "className",
884 cssFloat: styleFloat,
885 styleFloat: styleFloat,
886 innerHTML: "innerHTML",
887 className: "className",
889 disabled: "disabled",
891 readonly: "readOnly",
892 selected: "selected",
893 maxlength: "maxLength"
898 parent: "a.parentNode",
899 parents: "jQuery.parents(a)",
900 next: "jQuery.nth(a,2,'nextSibling')",
901 prev: "jQuery.nth(a,2,'previousSibling')",
902 siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
903 children: "jQuery.sibling(a.firstChild)",
904 contents: "jQuery.nodeName(a,'iframe')?a.contentDocument||a.contentWindow.document:jQuery.makeArray(a.childNodes)"
906 jQuery.fn[ i ] = function(a) {
907 var ret = jQuery.map(this,n);
908 if ( a && typeof a == "string" )
909 ret = jQuery.multiFilter(a,ret);
910 return this.pushStack( jQuery.unique(ret) );
916 prependTo: "prepend",
917 insertBefore: "before",
918 insertAfter: "after",
919 replaceAll: "replaceWith"
921 jQuery.fn[ i ] = function(){
923 return this.each(function(){
924 for ( var j = 0, al = a.length; j < al; j++ )
925 jQuery(a[j])[n]( this );
931 removeAttr: function( key ) {
932 jQuery.attr( this, key, "" );
933 this.removeAttribute( key );
935 addClass: function(c){
936 jQuery.className.add(this,c);
938 removeClass: function(c){
939 jQuery.className.remove(this,c);
941 toggleClass: function( c ){
942 jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
945 if ( !a || jQuery.filter( a, [this] ).r.length )
946 this.parentNode.removeChild( this );
949 while ( this.firstChild )
950 this.removeChild( this.firstChild );
953 jQuery.fn[ i ] = function() {
954 return this.each( n, arguments );
959 jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
960 jQuery.fn[ n ] = function(num,fn) {
961 return this.filter( ":" + n + "(" + num + ")", fn );
965 jQuery.each( [ "height", "width" ], function(i,n){
966 jQuery.fn[ n ] = function(h) {
967 return h == undefined ?
968 ( this.length ? jQuery.css( this[0], n ) : null ) :
969 this.css( n, h.constructor == String ? h : h + "px" );