进度条2
Javascript 进度条 Demo
原理就是使用 Javascript 控制 SPAN CSS 的宽度（以及其他的样式）.
Untitled-7.html
Code
jquery.js
(function(){
/*
* jQuery 1.2.6 - New Wave Javascript
*
* Copyright (c) 2008 John Resig (jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date: 2008-05-24 14:22:17 -0400 (Sat, 24 May 2008) $
* $Rev: 5685 $
*/
// Map over jQuery in case of overwrite
var _jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$;
var jQuery = window.jQuery = window.$ = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced'
return new jQuery.fn.init( selector, context );
};
// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.]*$/,
// Will speed up references to undefined, and allows munging its name.
undefined;
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
// Make sure that a selection was provided
selector = selector || document;
// Handle $(DOMElement)
if ( selector.nodeType ) {
this[0] = selector;
this.length = 1;
return this;
}
// Handle HTML strings
if ( typeof selector == "string" ) {
// Are we dealing with HTML string or an ID?
var match = quickExpr.exec( selector );
// Verify a match, and that no context was specified for #id
if ( match && (match[1] || !context) ) {
// HANDLE: $(html) -> $(array)
if ( match[1] )
selector = jQuery.clean( [ match[1] ], context );
// HANDLE: $("#id")
else {
var elem = document.getElementById( match[3] );
// Make sure an element was located
if ( elem ){
// Handle the case where IE and Opera return items
// by name instead of ID
if ( elem.id != match[3] )
return jQuery().find( selector );
// Otherwise, we inject the element directly into the jQuery object
return jQuery( elem );
}
selector = [];
}
// HANDLE: $(expr, [context])
// (which is just equivalent to: $(content).find(expr)
} else
return jQuery( context ).find( selector );
// HANDLE: $(function)
// Shortcut for document ready
} else if ( jQuery.isFunction( selector ) )
return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
return this.setArray(jQuery.makeArray(selector));
},
// The current version of jQuery being used
jquery: "1.2.6",
// The number of elements contained in the matched element set
size: function() {
return this.length;
},
// The number of elements contained in the matched element set
length: 0,
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function( num ) {
return num == undefined ?
// Return a 'clean' array
jQuery.makeArray( this ) :
// Return just the object
this[ num ];
},
// Take an array of elements and push it onto the stack
// (returning the new matched element set)
pushStack: function( elems ) {
// Build a new jQuery matched element set
var ret = jQuery( elems );
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
// Return the newly-formed element set
return ret;
},
// Force the current matched set of elements to become
// the specified array of elements (destroying the stack in the process)
// You should use pushStack() in order to do this, but maintain the stack
setArray: function( elems ) {
// Resetting the length to 0, then using the native Array push
// is a super-fast way to populate an object with array-like properties
this.length = 0;
Array.prototype.push.apply( this, elems );
return this;
},
// Execute a callback for every element in the matched set.
// (You can seed the arguments with an array of args, but this is
// only used internally.)
each: function( callback, args ) {
return jQuery.each( this, callback, args );
},
// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
var ret = -1;
// Locate the position of the desired element
return jQuery.inArray(
// If it receives a jQuery object, the first element is used
elem && elem.jquery ? elem[0] : elem
, this );
},
attr: function( name, value, type ) {
var options = name;
// Look for the case where we're accessing a style value
if ( name.constructor == String )
if ( value === undefined )
return this[0] && jQuery[ type || "attr" ]( this[0], name );
else {
options = {};
options[ name ] = value;
}
// Check to see if we're setting style values
return this.each(function(i){
// Set all the styles
for ( name in options )
jQuery.attr(
type ?
this.style :
this,
name, jQuery.prop( this, options[ name ], type, i, name )
);
});
},
css: function( key, value ) {
// ignore negative width and height values
if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
value = undefined;
return this.attr( key, value, "curCSS" );
},
text: function( text ) {
if ( typeof text != "object" && text != null )
return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
var ret = "";
jQuery.each( text || this, function(){
jQuery.each( this.childNodes, function(){
if ( this.nodeType != 8 )
ret += this.nodeType != 1 ?
this.nodeValue :
jQuery.fn.text( [ this ] );
});
});
return ret;
},
wrapAll: function( html ) {
if ( this[0] )
// The elements to wrap the target around
jQuery( html, this[0].ownerDocument )
.clone()
.insertBefore( this[0] )
.map(function(){
var elem = this;
while ( elem.firstChild )
elem = elem.firstChild;
return elem;
})
.append(this);
return this;
},
wrapInner: function( html ) {
return this.each(function(){
jQuery( this ).contents().wrapAll( html );
});
},
wrap: function( html ) {
return this.each(function(){
jQuery( this ).wrapAll( html );
});
},
append: function() {
return this.domManip(arguments, true, false, function(elem){
if (this.nodeType == 1)
this.appendChild( elem );
});
},
prepend: function() {
return this.domManip(arguments, true, true, function(elem){
if (this.nodeType == 1)
this.insertBefore( elem, this.firstChild );
});
},
before: function() {
return this.domManip(arguments, false, false, function(elem){
this.parentNode.insertBefore( elem, this );
});
},
after: function() {
return this.domManip(arguments, false, true, function(elem){
this.parentNode.insertBefore( elem, this.nextSibling );
});
},
end: function() {
return this.prevObject || jQuery( [] );
},
find: function( selector ) {
var elems = jQuery.map(this, function(elem){
return jQuery.find( selector, elem );
});
return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
jQuery.unique( elems ) :
elems );
},
clone: function( events ) {
// Do the clone
var ret = this.map(function(){
if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
// IE copies events bound via attachEvent when
// using cloneNode. Calling detachEvent on the
// clone will also remove the events from the orignal
// In order to get around this, we use innerHTML.
// Unfortunately, this means some modifications to
// attributes in IE that are actually only stored
// as properties will not be copied (such as the
// the name attribute on an input).
var clone = this.cloneNode(true),
container = document.createElement("div");
container.appendChild(clone);
return jQuery.clean([container.innerHTML])[0];
} else
return this.cloneNode(true);
});
// Need to set the expando to null on the cloned set if it exists
// removeData doesn't work here, IE removes it from the original as well
// this is primarily for IE but the data expando shouldn't be copied over in any browser
var clone = ret.find("*").andSelf().each(function(){
if ( this[ expando ] != undefined )
this[ expando ] = null;
});
// Copy the events from the original to the clone
if ( events === true )
this.find("*").andSelf().each(function(i){
if (this.nodeType == 3)
return;
var events = jQuery.data( this, "events" );
for ( var type in events )
for ( var handler in events[ type ] )
jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
});
// Return the cloned set
return ret;
},
filter: function( selector ) {
return this.pushStack(
jQuery.isFunction( selector ) &&
jQuery.grep(this, function(elem, i){
return selector.call( elem, i );
}) ||
jQuery.multiFilter( selector, this ) );
},
not: function( selector ) {
if ( selector.constructor == String )
// test special case where just one selector is passed in
if ( isSimple.test( selector ) )
return this.pushStack( jQuery.multiFilter( selector, this, true ) );
else
selector = jQuery.multiFilter( selector, this );
var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
return this.filter(function() {
return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
});
},
add: function( selector ) {
return this.pushStack( jQuery.unique( jQuery.merge(
this.get(),
typeof selector == 'string' ?
jQuery( selector ) :
jQuery.makeArray( selector )
)));
},
is: function( selector ) {
return !!selector && jQuery.multiFilter( selector, this ).length > 0;
},
hasClass: function( selector ) {
return this.is( "." + selector );
},
val: function( value ) {
if ( value == undefined ) {
if ( this.length ) {
var elem = this[0];
// We need to handle select boxes special
if ( jQuery.nodeName( elem, "select" ) ) {
var index = elem.selectedIndex,
values = [],
options = elem.options,
one = elem.type == "select-one";
// Nothing was selected
if ( index < 0 )
return null;
// Loop through all the selected options
for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
var option = options[ i ];
if ( option.selected ) {
// Get the specifc value for the option
value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
// We don't need an array for one selects
if ( one )
return value;
// Multi-Selects return an array
values.push( value );
}
}
return values;
// Everything else, we just grab the value
} else
return (this[0].value || "").replace(/\r/g, "");
}
return undefined;
}
if( value.constructor == Number )
value += '';
return this.each(function(){
if ( this.nodeType != 1 )
return;
if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
this.checked = (jQuery.inArray(this.value, value) >= 0 ||
jQuery.inArray(this.name, value) >= 0);
else if ( jQuery.nodeName( this, "select" ) ) {
var values = jQuery.makeArray(value);
jQuery( "option", this ).each(function(){
this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
jQuery.inArray( this.text, values ) >= 0);
});
if ( !values.length )
this.selectedIndex = -1;
} else
this.value = value;
});
},
html: function( value ) {
return value == undefined ?
(this[0] ?
this[0].innerHTML :
null) :
this.empty().append( value );
},
replaceWith: function( value ) {
return this.after( value ).remove();
},
eq: function( i ) {
return this.slice( i, i + 1 );
},
slice: function() {
return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
},
map: function( callback ) {
return this.pushStack( jQuery.map(this, function(elem, i){
return callback.call( elem, i, elem );
}));
},
andSelf: function() {
return this.add( this.prevObject );
},
data: function( key, value ){
var parts = key.split(".");
parts[1] = parts[1] ? "." + parts[1] : "";
if ( value === undefined ) {
var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
if ( data === undefined && this.length )
data = jQuery.data( this[0], key );
return data === undefined && parts[1] ?
this.data( parts[0] ) :
data;
} else
return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
jQuery.data( this, key, value );
});
},
removeData: function( key ){
return this.each(function(){
jQuery.removeData( this, key );
});
},
domManip: function( args, table, reverse, callback ) {
var clone = this.length > 1, elems;
return this.each(function(){
if ( !elems ) {
elems = jQuery.clean( args, this.ownerDocument );
if ( reverse )
elems.reverse();
}
var obj = this;
if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
var scripts = jQuery( [] );
jQuery.each(elems, function(){
var elem = clone ?
jQuery( this ).clone( true )[0] :
this;
// execute all scripts after the elements have been injected
if ( jQuery.nodeName( elem, "script" ) )
scripts = scripts.add( elem );
else {
// Remove any inner scripts for later evaluation
if ( elem.nodeType == 1 )
scripts = scripts.add( jQuery( "script", elem ).remove() );
// Inject the elements into the document
callback.call( obj, elem );
}
});
scripts.each( evalScript );
});
}
};
// Give the init function the jQuery prototype for later instantiation
jQuery.fn.init.prototype = jQuery.fn;
function evalScript( i, elem ) {
if ( elem.src )
jQuery.ajax({
url: elem.src,
async: false,
dataType: "script"
});
else
jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
if ( elem.parentNode )
elem.parentNode.removeChild( elem );
}
function now(){
return +new Date;
}
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
// Handle a deep copy situation
if ( target.constructor == Boolean ) {
deep = target;
target = arguments[1] || {};
// skip the boolean and the target
i = 2;
}
// Handle case when target is a string or something (possible in deep copy)
if ( typeof target != "object" && typeof target != "function" )
target = {};
// extend jQuery itself if only one argument is passed
if ( length == i ) {
target = this;
--i;
}
for ( ; i < length; i++ )
// Only deal with non-null/undefined values
if ( (options = arguments[ i ]) != null )
// Extend the base object
for ( var name in options ) {
var src = target[ name ], copy = options[ name ];
// Prevent never-ending loop
if ( target === copy )
continue;
// Recurse if we're merging object values
if ( deep && copy && typeof copy == "object" && !copy.nodeType )
target[ name ] = jQuery.extend( deep,
// Never move original objects, clone them
src || ( copy.length != null ? [ ] : { } )
, copy );
// Don't bring in undefined values
else if ( copy !== undefined )
target[ name ] = copy;
}
// Return the modified object
return target;
};
var expando = "jQuery" + now(), uuid = 0, windowData = {},
// exclude the following css properties to add px
exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
// cache defaultView
defaultView = document.defaultView || {};
jQuery.extend({
noConflict: function( deep ) {
window.$ = _$;
if ( deep )
window.jQuery = _jQuery;
return jQuery;
},
// See test/unit/core.js for details concerning this function.
isFunction: function( fn ) {
return !!fn && typeof fn != "string" && !fn.nodeName &&
fn.constructor != Array && /^[\s[]?function/.test( fn + "" );
},
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
return elem.documentElement && !elem.body ||
elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
},
// Evalulates a script in a global context
globalEval: function( data ) {
data = jQuery.trim( data );
if ( data ) {
// Inspired by code by Andrea Giammarchi
// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
var head = document.getElementsByTagName("head")[0] || document.documentElement,
script = document.createElement("script");
script.type = "text/javascript";
if ( jQuery.browser.msie )
script.text = data;
else
script.appendChild( document.createTextNode( data ) );
// Use insertBefore instead of appendChild to circumvent an IE6 bug.
// This arises when a base node is used (#2709).
head.insertBefore( script, head.firstChild );
head.removeChild( script );
}
},
nodeName: function( elem, name ) {
return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
},
cache: {},
data: function( elem, name, data ) {
elem = elem == window ?
windowData :
elem;
var id = elem[ expando ];
// Compute a unique ID for the element
if ( !id )
id = elem[ expando ] = ++uuid;
// Only generate the data cache if we're
// trying to access or manipulate it
if ( name && !jQuery.cache[ id ] )
jQuery.cache[ id ] = {};
// Prevent overriding the named cache with undefined values
if ( data !== undefined )
jQuery.cache[ id ][ name ] = data;
// Return the named cache data, or the ID for the element
return name ?
jQuery.cache[ id ][ name ] :
id;
},
removeData: function( elem, name ) {
elem = elem == window ?
windowData :
elem;
var id = elem[ expando ];
// If we want to remove a specific section of the element's data
if ( name ) {
if ( jQuery.cache[ id ] ) {
// Remove the section of cache data
delete jQuery.cache[ id ][ name ];
// If we've removed all the data, remove the element's cache
name = "";
for ( name in jQuery.cache[ id ] )
break;
if ( !name )
jQuery.removeData( elem );
}
// Otherwise, we want to remove all of the element's data
} else {
// Clean up the element expando
try {
delete elem[ expando ];
} catch(e){
// IE has trouble directly removing the expando
// but it's ok with using removeAttribute
if ( elem.removeAttribute )
elem.removeAttribute( expando );
}
// Completely remove the data cache
delete jQuery.cache[ id ];
}
},
// args is for internal usage only
each: function( object, callback, args ) {
var name, i = 0, length = object.length;
if ( args ) {
if ( length == undefined ) {
for ( name in object )
if ( callback.apply( object[ name ], args ) === false )
break;
} else
for ( ; i < length; )
if ( callback.apply( object[ i++ ], args ) === false )
break;
// A special, fast, case for the most common use of each
} else {
if ( length == undefined ) {
for ( name in object )
if ( callback.call( object[ name ], name, object[ name ] ) === false )
break;
} else
for ( var value = object[0];
i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
}
return object;
},
prop: function( elem, value, type, i, name ) {
// Handle executable functions
if ( jQuery.isFunction( value ) )
value = value.call( elem, i );
// Handle passing in a number to a CSS property
return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
value + "px" :
value;
},
className: {
// internal only, use addClass("class")
add: function( elem, classNames ) {
jQuery.each((classNames || "").split(/\s+/), function(i, className){
if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
elem.className += (elem.className ? " " : "") + className;
});
},
// internal only, use removeClass("class")
remove: function( elem, classNames ) {
if (elem.nodeType == 1)
elem.className = classNames != undefined ?
jQuery.grep(elem.className.split(/\s+/), function(className){
return !jQuery.className.has( classNames, className );
}).join(" ") :
"";
},
// internal only, use hasClass("class")
has: function( elem, className ) {
return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
}
},
// A method for quickly swapping in/out CSS properties to get correct calculations
swap: function( elem, options, callback ) {
var old = {};
// Remember the old values, and insert the new ones
for ( var name in options ) {
old[ name ] = elem.style[ name ];
elem.style[ name ] = options[ name ];
}
callback.call( elem );
// Revert the old values
for ( var name in options )
elem.style[ name ] = old[ name ];
},
css: function( elem, name, force ) {
if ( name == "width" || name == "height" ) {
var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
function getWH() {
val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
var padding = 0, border = 0;
jQuery.each( which, function() {
padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
});
val -= Math.round(padding + border);
}
if ( jQuery(elem).is(":visible") )
getWH();
else
jQuery.swap( elem, props, getWH );
return Math.max(0, val);
}
return jQuery.curCSS( elem, name, force );
},
curCSS: function( elem, name, force ) {
var ret, style = elem.style;
// A helper method for determining if an element's values are broken
function color( elem ) {
if ( !jQuery.browser.safari )
return false;
// defaultView is cached
var ret = defaultView.getComputedStyle( elem, null );
return !ret || ret.getPropertyValue("color") == "";
}
// We need to handle opacity special in IE
if ( name == "opacity" && jQuery.browser.msie ) {
ret = jQuery.attr( style, "opacity" );
return ret == "" ?
"1" :
ret;
}
// Opera sometimes will give the wrong display answer, this fixes it, see #2037
if ( jQuery.browser.opera && name == "display" ) {
var save = style.outline;
style.outline = "0 solid black";
style.outline = save;
}
// Make sure we're using the right name for getting the float value
if ( name.match( /float/i ) )
name = styleFloat;
if ( !force && style && style[ name ] )
ret = style[ name ];
else if ( defaultView.getComputedStyle ) {
// Only "float" is needed here
if ( name.match( /float/i ) )
name = "float";
name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
var computedStyle = defaultView.getComputedStyle( elem, null );
if ( computedStyle && !color( elem ) )
ret = computedStyle.getPropertyValue( name );
// If the element isn't reporting its values properly in Safari
// then some display: none elements are involved
else {
var swap = [], stack = [], a = elem, i = 0;
// Locate all of the parent display: none elements
for ( ; a && color(a); a = a.parentNode )
stack.unshift(a);
// Go through and make them visible, but in reverse
// (It would be better if we knew the exact display type that they had)
for ( ; i < stack.length; i++ )
if ( color( stack[ i ] ) ) {
swap[ i ] = stack[ i ].style.display;
stack[ i ].style.display = "block";
}
// Since we flip the display style, we have to handle that
// one special, otherwise get the value
ret = name == "display" && swap[ stack.length - 1 ] != null ?
"none" :
( computedStyle && computedStyle.getPropertyValue( name ) ) || "";
// Finally, revert the display styles back
for ( i = 0; i < swap.length; i++ )
if ( swap[ i ] != null )
stack[ i ].style.display = swap[ i ];
}
// We should always get a number back from opacity
if ( name == "opacity" && ret == "" )
ret = "1";
} else if ( elem.currentStyle ) {
var camelCase = name.replace(/\-(\w)/g, function(all, letter){
return letter.toUpperCase();
});
ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
// From the awesome hack by Dean Edwards
// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
// Remember the original values
var left = style.left, rsLeft = elem.runtimeStyle.left;
// Put in the new values to get a computed value out
elem.runtimeStyle.left = elem.currentStyle.left;
style.left = ret || 0;
ret = style.pixelLeft + "px";
// Revert the changed values
style.left = left;
elem.runtimeStyle.left = rsLeft;
}
}
return ret;
},
clean: function( elems, context ) {
var ret = [];
context = context || document;
// !context.createElement fails in IE with an error but returns typeof 'object'
if (typeof context.createElement == 'undefined')
context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
jQuery.each(elems, function(i, elem){
if ( !elem )
return;
if ( elem.constructor == Number )
elem += '';
// Convert html string into DOM nodes
if ( typeof elem == "string" ) {
// Fix "XHTML"-style tags in all browsers
elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
all :
front + "></" + tag + ">";
});
// Trim whitespace, otherwise indexOf won't work as expected
var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
var wrap =
// option or optgroup
!tags.indexOf("<opt") &&
[ 1, "<select multiple='multiple'>", "</select>" ] ||
!tags.indexOf("<leg") &&
[ 1, "<fieldset>", "</fieldset>" ] ||
tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
[ 1, "<table>", "</table>" ] ||
!tags.indexOf("<tr") &&
[ 2, "<table><tbody>", "</tbody></table>" ] ||
// <thead> matched above
(!tags.indexOf("<td") || !tags.indexOf("<th")) &&
[ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
!tags.indexOf("<col") &&
[ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
// IE can't serialize <link> and <script> tags normally
jQuery.browser.msie &&
[ 1, "div<div>", "</div>" ] ||
[ 0, "", "" ];
// Go to html and back, then peel off extra wrappers
div.innerHTML = wrap[1] + elem + wrap[2];
// Move to the right depth
while ( wrap[0]-- )
div = div.lastChild;
// Remove IE's autoinserted <tbody> from table fragments
if ( jQuery.browser.msie ) {
// String was a <table>, *may* have spurious <tbody>
var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
div.firstChild && div.firstChild.childNodes :
// String was a bare <thead> or <tfoot>
wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
div.childNodes :
[];
for ( var j = tbody.length - 1; j >= 0 ; --j )
if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
tbody[ j ].parentNode.removeChild( tbody[ j ] );
// IE completely kills leading whitespace when innerHTML is used
if ( /^\s/.test( elem ) )
div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
}
elem = jQuery.makeArray( div.childNodes );
}
if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
return;
if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
ret.push( elem );
else
ret = jQuery.merge( ret, elem );
});
return ret;
},
attr: function( elem, name, value ) {
// don't set attributes on text and comment nodes
if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
return undefined;
var notxml = !jQuery.isXMLDoc( elem ),
// Whether we are setting (or getting)
set = value !== undefined,
msie = jQuery.browser.msie;
// Try to normalize/fix the name
name = notxml && jQuery.props[ name ] || name;
// Only do all the following if this is a node (faster for style)
// IE elem.getAttribute passes even for style
if ( elem.tagName ) {
// These attributes require special treatment
var special = /href|src|style/.test( name );
// Safari mis-reports the default selected property of a hidden option
// Accessing the parent's selectedIndex property fixes it
if ( name == "selected" && jQuery.browser.safari )
elem.parentNode.selectedIndex;
// If applicable, access the attribute via the DOM 0 way
if ( name in elem && notxml && !special ) {
if ( set ){
// We can't allow the type property to be changed (since it causes problems in IE)
if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
throw "type property can't be changed";
elem[ name ] = value;
}
// browsers index elements by id/name on forms, give priority to attributes.
if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
return elem.getAttributeNode( name ).nodeValue;
return elem[ name ];
}
if ( msie && notxml && name == "style" )
return jQuery.attr( elem.style, "cssText", value );
if ( set )
// convert the value to a string (all browsers do this but IE) see #1070
elem.setAttribute( name, "" + value );
var attr = msie && notxml && special
// Some attributes require a special call on IE
? elem.getAttribute( name, 2 )
: elem.getAttribute( name );
// Non-existent attributes return null, we normalize to undefined
return attr === null ? undefined : attr;
}
// elem is actually elem.style ... set the style
// IE uses filters for opacity
if ( msie && name == "opacity" ) {
if ( set ) {
// IE has trouble with opacity if it does not have layout
// Force it by setting the zoom level
elem.zoom = 1;
// Set the alpha filter to set the opacity
elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
(parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
}
return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
"";
}
name = name.replace(/-([a-z])/ig, function(all, letter){
return letter.toUpperCase();
});
if ( set )
elem[ name ] = value;
return elem[ name ];
},
trim: function( text ) {
return (text || "").replace( /^\s+|\s+$/g, "" );
},
makeArray: function( array ) {
var ret = [];
if( array != null ){
var i = array.length;
//the window, strings and functions also have 'length'
if( i == null || array.split || array.setInterval || array.call )
ret[0] = array;
else
while( i )
ret[--i] = array[i];
}
return ret;
},
inArray: function( elem, array ) {
for ( var i = 0, length = array.length; i < length; i++ )
// Use === because on IE, window == document
if ( array[ i ] === elem )
return i;
return -1;
},
merge: function( first, second ) {
// We have to loop this way because IE & Opera overwrite the length
// expando of getElementsByTagName
var i = 0, elem, pos = first.length;
// Also, we need to make sure that the correct elements are being returned
// (IE returns comment nodes in a '*' query)
if ( jQuery.browser.msie ) {
while ( elem = second[ i++ ] )
if ( elem.nodeType != 8 )
first[ pos++ ] = elem;
} else
while ( elem = second[ i++ ] )
first[ pos++ ] = elem;
return first;
},
unique: function( array ) {
var ret = [], done = {};
try {
for ( var i = 0, length = array.length; i < length; i++ ) {
var id = jQuery.data( array[ i ] );
if ( !done[ id ] ) {
done[ id ] = true;
ret.push( array[ i ] );
}
}
} catch( e ) {
ret = array;
}
return ret;
},
grep: function( elems, callback, inv ) {
var ret = [];
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, length = elems.length; i < length; i++ )
if ( !inv != !callback( elems[ i ], i ) )
ret.push( elems[ i ] );
return ret;
},
map: function( elems, callback ) {
var ret = [];
// Go through the array, translating each of the items to their
// new value (or values).
for ( var i = 0, length = elems.length; i < length; i++ ) {
var value = callback( elems[ i ], i );
if ( value != null )
ret[ ret.length ] = value;
}
return ret.concat.apply( [], ret );
}
});
var userAgent = navigator.userAgent.toLowerCase();
// Figure out what browser is being used
jQuery.browser = {
version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
safari: /webkit/.test( userAgent ),
opera: /opera/.test( userAgent ),
msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
};
var styleFloat = jQuery.browser.msie ?
"styleFloat" :
"cssFloat";
jQuery.extend({
// Check to see if the W3C box model is being used
boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
props: {
"for": "htmlFor",
"class": "className",
"float": styleFloat,
cssFloat: styleFloat,
styleFloat: styleFloat,
readonly: "readOnly",
maxlength: "maxLength",
cellspacing: "cellSpacing"
}
});
jQuery.each({
parent: function(elem){return elem.parentNode;},
parents: function(elem){return jQuery.dir(elem,"parentNode");},
next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
children: function(elem){return jQuery.sibling(elem.firstChild);},
contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
}, function(name, fn){
jQuery.fn[ name ] = function( selector ) {
var ret = jQuery.map( this, fn );
if ( selector && typeof selector == "string" )
ret = jQuery.multiFilter( selector, ret );
return this.pushStack( jQuery.unique( ret ) );
};
});
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after",
replaceAll: "replaceWith"
}, function(name, original){
jQuery.fn[ name ] = function() {
var args = arguments;
return this.each(function(){
for ( var i = 0, length = args.length; i < length; i++ )
jQuery( args[ i ] )[ original ]( this );
});
};
});
jQuery.each({
removeAttr: function( name ) {
jQuery.attr( this, name, "" );
if (this.nodeType == 1)
this.removeAttribute( name );
},
addClass: function( classNames ) {
jQuery.className.add( this, classNames );
},
removeClass: function( classNames ) {
jQuery.className.remove( this, classNames );
},
toggleClass: function( classNames ) {
jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
},
remove: function( selector ) {
if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
// Prevent memory leaks
jQuery( "*", this ).add(this).each(function(){
jQuery.event.remove(this);
jQuery.removeData(this);
});
if (this.parentNode)
this.parentNode.removeChild( this );
}
},
empty: function() {
// Remove element nodes and prevent memory leaks
jQuery( ">*", this ).remove();
// Remove any remaining nodes
while ( this.firstChild )
this.removeChild( this.firstChild );
}
}, function(name, fn){
jQuery.fn[ name ] = function(){
return this.each( fn, arguments );
};
});
jQuery.each([ "Height", "Width" ], function(i, name){
var type = name.toLowerCase();
jQuery.fn[ type ] = function( size ) {
// Get window width or height
return this[0] == window ?
// Opera reports document.body.client[Width/Height] properly in both quirks and standards
jQuery.browser.opera && document.body[ "client" + name ] ||
// Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
jQuery.browser.safari && window[ "inner" + name ] ||
// Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
// Get document width or height
this[0] == document ?
// Either scroll[Width/Height] or offset[Width/Height], whichever is greater
Math.max(
Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
Math.max(document.body["offset" + name], document.documentElement["offset" + name])
) :
// Get or set width or height on the element
size == undefined ?
// Get width or height on the element
(this.length ? jQuery.css( this[0], type ) : null) :
// Set the width or height on the element (default to pixels if value is unitless)
this.css( type, size.constructor == String ? size : size + "px" );
};
});
// Helper function used by the dimensions and offset modules
function num(elem, prop) {
return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;
}var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
"(?:[\\w*_-]|\\\\.)" :
"(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
quickChild = new RegExp("^>\\s*(" + chars + "+)"),
quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
quickClass = new RegExp("^([#.]?)(" + chars + "*)");
jQuery.extend({
expr: {
"": function(a,i,m){return m[2]=="*"||jQuery.nodeName(a,m[2]);},
"#": function(a,i,m){return a.getAttribute("id")==m[2];},
":": {
// Position Checks
lt: function(a,i,m){return i<m[3]-0;},
gt: function(a,i,m){return i>m[3]-0;},
nth: function(a,i,m){return m[3]-0==i;},
eq: function(a,i,m){return m[3]-0==i;},
first: function(a,i){return i==0;},
last: function(a,i,m,r){return i==r.length-1;},
even: function(a,i){return i%2==0;},
odd: function(a,i){return i%2;},
// Child Checks
"first-child": function(a){return a.parentNode.getElementsByTagName("*")[0]==a;},
"last-child": function(a){return jQuery.nth(a.parentNode.lastChild,1,"previousSibling")==a;},
"only-child": function(a){return !jQuery.nth(a.parentNode.lastChild,2,"previousSibling");},
// Parent Checks
parent: function(a){return a.firstChild;},
empty: function(a){return !a.firstChild;},
// Text Check
contains: function(a,i,m){return (a.textContent||a.innerText||jQuery(a).text()||"").indexOf(m[3])>=0;},
// Visibility
visible: function(a){return "hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden";},
hidden: function(a){return "hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden";},
// Form attributes
enabled: function(a){return !a.disabled;},
disabled: function(a){return a.disabled;},
checked: function(a){return a.checked;},
selected: function(a){return a.selected||jQuery.attr(a,"selected");},
// Form elements
text: function(a){return "text"==a.type;},
radio: function(a){return "radio"==a.type;},
checkbox: function(a){return "checkbox"==a.type;},
file: function(a){return "file"==a.type;},
password: function(a){return "password"==a.type;},
submit: function(a){return "submit"==a.type;},
image: function(a){return "image"==a.type;},
reset: function(a){return "reset"==a.type;},
button: function(a){return "button"==a.type||jQuery.nodeName(a,"button");},
input: function(a){return /input|select|textarea|button/i.test(a.nodeName);},
// :has()
has: function(a,i,m){return jQuery.find(m[3],a).length;},
// :header
header: function(a){return /h\d/i.test(a.nodeName);},
// :animated
animated: function(a){return jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length;}
}
},
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
/^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
// Match: :contains('foo')
/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
// Match: :even, :last-child, #id, .class
new RegExp("^([:.#]*)(" + chars + "+)")
],
multiFilter: function( expr, elems, not ) {
var old, cur = [];
while ( expr && expr != old ) {
old = expr;
var f = jQuery.filter( expr, elems, not );
expr = f.t.replace(/^\s*,\s*/, "" );
cur = not ? elems = f.r : jQuery.merge( cur, f.r );
}
return cur;
},
find: function( t, context ) {
// Quickly handle non-string expressions
if ( typeof t != "string" )
return [ t ];
// check to make sure context is a DOM element or a document
if ( context && context.nodeType != 1 && context.nodeType != 9)
return [ ];
// Set the correct context (if none is provided)
context = context || document;
// Initialize the search
var ret = [context], done = [], last, nodeName;
// Continue while a selector expression exists, and while
// we're no longer looping upon ourselves
while ( t && last != t ) {
var r = [];
last = t;
t = jQuery.trim(t);
var foundToken = false,
// An attempt at speeding up child selectors that
// point to a specific element tag
re = quickChild,
m = re.exec(t);
if ( m ) {
nodeName = m[1].toUpperCase();
// Perform our own iteration and filter
for ( var i = 0; ret[i]; i++ )
for ( var c = ret[i].firstChild; c; c = c.nextSibling )
if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )
r.push( c );
ret = r;
t = t.replace( re, "" );
if ( t.indexOf(" ") == 0 ) continue;
foundToken = true;
} else {
re = /^([>+~])\s*(\w*)/i;
if ( (m = re.exec(t)) != null ) {
r = [];
var merge = {};
nodeName = m[2].toUpperCase();
m = m[1];
for ( var j = 0, rl = ret.length; j < rl; j++ ) {
var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
for ( ; n; n = n.nextSibling )
if ( n.nodeType == 1 ) {
var id = jQuery.data(n);
if ( m == "~" && merge[id] ) break;
if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {
if ( m == "~" ) merge[id] = true;
r.push( n );
}
if ( m == "+" ) break;
}
}
ret = r;
// And remove the token
t = jQuery.trim( t.replace( re, "" ) );
foundToken = true;
}
}
// See if there's still an expression, and that we haven't already
// matched a token
if ( t && !foundToken ) {
// Handle multiple expressions
if ( !t.indexOf(",") ) {
// Clean the result set
if ( context == ret[0] ) ret.shift();
// Merge the result sets
done = jQuery.merge( done, ret );
// Reset the context
r = ret = [context];
// Touch up the selector string
t = " " + t.substr(1,t.length);
} else {
// Optimize for the case nodeName#idName
var re2 = quickID;
var m = re2.exec(t);
// Re-organize the results, so that they're consistent
if ( m ) {
m = [ 0, m[2], m[3], m[1] ];
} else {
// Otherwise, do a traditional filter check for
// ID, class, and element selectors
re2 = quickClass;
m = re2.exec(t);
}
m[2] = m[2].replace(/\\/g, "");
var elem = ret[ret.length-1];
// Try to do a global search by ID, where we can
if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
// Optimization for HTML document case
var oid = elem.getElementById(m[2]);
// Do a quick check for the existence of the actual ID attribute
// to avoid selecting by the name attribute in IE
// also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
oid = jQuery('[@id="'+m[2]+'"]', elem)[0];
// Do a quick check for node name (where applicable) so
// that div#foo searches will be really fast
ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
} else {
// We need to find all descendant elements
for ( var i = 0; ret[i]; i++ ) {
// Grab the tag name being searched for
var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];
// Handle IE7 being really dumb about <object>s
if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
tag = "param";
r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
}
// It's faster to filter by class and be done with it
if ( m[1] == "." )
r = jQuery.classFilter( r, m[2] );
// Same with ID filtering
if ( m[1] == "#" ) {
var tmp = [];
// Try to find the element with the ID
for ( var i = 0; r[i]; i++ )
if ( r[i].getAttribute("id") == m[2] ) {
tmp = [ r[i] ];
break;
}
r = tmp;
}
ret = r;
}
t = t.replace( re2, "" );
}
}
// If a selector string still exists
if ( t ) {
// Attempt to filter it
var val = jQuery.filter(t,r);
ret = r = val.r;
t = jQuery.trim(val.t);
}
}
// An error occurred with the selector;
// just return an empty set instead
if ( t )
ret = [];
// Remove the root context
if ( ret && context == ret[0] )
ret.shift();
// And combine the results
done = jQuery.merge( done, ret );
return done;
},
classFilter: function(r,m,not){
m = " " + m + " ";
var tmp = [];
for ( var i = 0; r[i]; i++ ) {
var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;
if ( !not && pass || not && !pass )
tmp.push( r[i] );
}
return tmp;
},
filter: function(t,r,not) {
var last;
// Look for common filter expressions
while ( t && t != last ) {
last = t;
var p = jQuery.parse, m;
for ( var i = 0; p[i]; i++ ) {
m = p[i].exec( t );
if ( m ) {
// Remove what we just matched
t = t.substring( m[0].length );
m[2] = m[2].replace(/\\/g, "");
break;
}
}
if ( !m )
break;
// :not() is a special case that can be optimized by
// keeping it out of the expression list
if ( m[1] == ":" && m[2] == "not" )
// optimize if only one selector found (most common case)
r = isSimple.test( m[3] ) ?
jQuery.filter(m[3], r, true).r :
jQuery( r ).not( m[3] );
// We can get a big speed boost by filtering by class here
else if ( m[1] == "." )
r = jQuery.classFilter(r, m[2], not);
else if ( m[1] == "[" ) {
var tmp = [], type = m[3];
for ( var i = 0, rl = r.length; i < rl; i++ ) {
var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
if ( z == null || /href|src|selected/.test(m[2]) )
z = jQuery.attr(a,m[2]) || '';
if ( (type == "" && !!z ||
type == "=" && z == m[5] ||
type == "!=" && z != m[5] ||
type == "^=" && z && !z.indexOf(m[5]) ||
type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
(type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
tmp.push( a );
}
r = tmp;
// We can get a speed boost by handling nth-child here
} else if ( m[1] == ":" && m[2] == "nth-child" ) {
var merge = {}, tmp = [],
// parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
!/\D/.test(m[3]) && "0n+" + m[3] || m[3]),
// calculate the numbers (first)n+(last) including if they are negative
first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;
// loop through all the elements left in the jQuery object
for ( var i = 0, rl = r.length; i < rl; i++ ) {
var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);
if ( !merge[id] ) {
var c = 1;
for ( var n = parentNode.firstChild; n; n = n.nextSibling )
if ( n.nodeType == 1 )
n.nodeIndex = c++;
merge[id] = true;
}
var add = false;
if ( first == 0 ) {
if ( node.nodeIndex == last )
add = true;
} else if ( (node.nodeIndex - last) % first == 0 && (node.nodeIndex - last) / first >= 0 )
add = true;
if ( add ^ not )
tmp.push( node );
}
r = tmp;
// Otherwise, find the expression to execute
} else {
var fn = jQuery.expr[ m[1] ];
if ( typeof fn == "object" )
fn = fn[ m[2] ];
if ( typeof fn == "string" )
fn = eval("false||function(a,i){return " + fn + ";}");
// Execute it against the current filter
r = jQuery.grep( r, function(elem, i){
return fn(elem, i, m, r);
}, not );
}
}
// Return an array of filtered elements (r)
// and the modified expression string (t)
return { r: r, t: t };
},
dir: function( elem, dir ){
var matched = [],
cur = elem[dir];
while ( cur && cur != document ) {
if ( cur.nodeType == 1 )
matched.push( cur );
cur = cur[dir];
}
return matched;
},
nth: function(cur,result,dir,elem){
result = result || 1;
var num = 0;
for ( ; cur; cur = cur[dir] )
if ( cur.nodeType == 1 && ++num == result )
break;
return cur;
},
sibling: function( n, elem ) {
var r = [];
for ( ; n; n = n.nextSibling ) {
if ( n.nodeType == 1 && n != elem )
r.push( n );
}
return r;
}
});
/*
* A number of helper functions used for managing events.
* Many of the ideas behind this code orignated from
* Dean Edwards' addEvent library.
*/
jQuery.event = {
// Bind an event to an element
// Original by Dean Edwards
add: function(elem, types, handler, data) {
if ( elem.nodeType == 3 || elem.nodeType == 8 )
return;
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
if ( jQuery.browser.msie && elem.setInterval )
elem = window;
// Make sure that the function being executed has a unique ID
if ( !handler.guid )
handler.guid = this.guid++;
// if data is passed, bind to handler
if( data != undefined ) {
// Create temporary function pointer to original handler
var fn = handler;
// Create unique handler function, wrapped around original handler
handler = this.proxy( fn, function() {
// Pass arguments and context to original handler
return fn.apply(this, arguments);
});
// Store data in unique handler
handler.data = data;
}
// Init the element's event structure
var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
// Handle the second event of a trigger and when
// an event is called after a page has unloaded
if ( typeof jQuery != "undefined" && !jQuery.event.triggered )
return jQuery.event.handle.apply(arguments.callee.elem, arguments);
});
// Add elem as a property of the handle function
// This is to prevent a memory leak with non-native
// event in IE.
handle.elem = elem;
// Handle multiple events separated by a space
// jQuery(...).bind("mouseover mouseout", fn);
jQuery.each(types.split(/\s+/), function(index, type) {
// Namespaced event handlers
var parts = type.split(".");
type = parts[0];
handler.type = parts[1];
// Get the current list of functions bound to this event
var handlers = events[type];
// Init the event handler queue
if (!handlers) {
handlers = events[type] = {};
// Check for a special event handler
// Only use addEventListener/attachEvent if the special
// events handler returns false
if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) {
// Bind the global event handler to the element
if (elem.addEventListener)
elem.addEventListener(type, handle, false);
else if (elem.attachEvent)
elem.attachEvent("on" + type, handle);
}
}
// Add the function to the element's handler list
handlers[handler.guid] = handler;
// Keep track of which events have been used, for global triggering
jQuery.event.global[type] = true;
});
// Nullify elem to prevent memory leaks in IE
elem = null;
},
guid: 1,
global: {},
// Detach an event or set of events from an element
remove: function(elem, types, handler) {
// don't do events on text and comment nodes
if ( elem.nodeType == 3 || elem.nodeType == 8 )
return;
var events = jQuery.data(elem, "events"), ret, index;
if ( events ) {
// Unbind all events for the element
if ( types == undefined || (typeof types == "string" && types.charAt(0) == ".") )
for ( var type in events )
this.remove( elem, type + (types || "") );
else {
// types is actually an event object here
if ( types.type ) {
handler = types.handler;
types = types.type;
}
// Handle multiple events seperated by a space
// jQuery(...).unbind("mouseover mouseout", fn);
jQuery.each(types.split(/\s+/), function(index, type){
// Namespaced event handlers
var parts = type.split(".");
type = parts[0];
if ( events[type] ) {
// remove the given handler for the given type
if ( handler )
delete events[type][handler.guid];
// remove all handlers for the given type
else
for ( handler in events[type] )
// Handle the removal of namespaced events
if ( !parts[1] || events[type][handler].type == parts[1] )
delete events[type][handler];
// remove generic event handler if no more handlers exist
for ( ret in events[type] ) break;
if ( !ret ) {
if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false ) {
if (elem.removeEventListener)
elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
else if (elem.detachEvent)
elem.detachEvent("on" + type, jQuery.data(elem, "handle"));
}
ret = null;
delete events[type];
}
}
});
}
// Remove the expando if it's no longer used
for ( ret in events ) break;
if ( !ret ) {
var handle = jQuery.data( elem, "handle" );
if ( handle ) handle.elem = null;
jQuery.removeData( elem, "events" );
jQuery.removeData( elem, "handle" );
}
}
},
trigger: function(type, data, elem, donative, extra) {
// Clone the incoming data, if any
data = jQuery.makeArray(data);
if ( type.indexOf("!") >= 0 ) {
type = type.slice(0, -1);
var exclusive = true;
}
// Handle a global trigger
if ( !elem ) {
// Only trigger if we've ever bound an event for it
if ( this.global[type] )
jQuery("*").add([window, document]).trigger(type, data);
// Handle triggering a single element
} else {
// don't do events on text and comment nodes
if ( elem.nodeType == 3 || elem.nodeType == 8 )
return undefined;
var val, ret, fn = jQuery.isFunction( elem[ type ] || null ),
// Check to see if we need to provide a fake event, or not
event = !data[0] || !data[0].preventDefault;
// Pass along a fake event
if ( event ) {
data.unshift({
type: type,
target: elem,
preventDefault: function(){},
stopPropagation: function(){},
timeStamp: now()
});
data[0][expando] = true; // no need to fix fake event
}
// Enforce the right trigger type
data[0].type = type;
if ( exclusive )
data[0].exclusive = true;
// Trigger the event, it is assumed that "handle" is a function
var handle = jQuery.data(elem, "handle");
if ( handle )
val = handle.apply( elem, data );
// Handle triggering native .onfoo handlers (and on links since we don't call .click() for links)
if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
val = false;
// Extra functions don't get the custom event object
if ( event )
data.shift();
// Handle triggering of extra function
if ( extra && jQuery.isFunction( extra ) ) {
// call the extra function and tack the current return value on the end for possible inspection
ret = extra.apply( elem, val == null ? data : data.concat( val ) );
// if anything is returned, give it precedence and have it overwrite the previous value
if (ret !== undefined)
val = ret;
}
// Trigger the native events (except for clicks on links)
if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
this.triggered = true;
try {
elem[ type ]();
// prevent IE from throwing an error for some hidden elements
} catch (e) {}
}
this.triggered = false;
}
return val;
},
handle: function(event) {
// returned undefined or false
var val, ret, namespace, all, handlers;
event = arguments[0] = jQuery.event.fix( event || window.event );
// Namespaced event handlers
namespace = event.type.split(".");
event.type = namespace[0];
namespace = namespace[1];
// Cache this now, all = true means, any handler
all = !namespace && !event.exclusive;
handlers = ( jQuery.data(this, "events") || {} )[event.type];
for ( var j in handlers ) {
var handler = handlers[j];
// Filter the functions by class
if ( all || handler.type == namespace ) {
// Pass in a reference to the handler function itself
// So that we can later remove it
event.handler = handler;
event.data = handler.data;
ret = handler.apply( this, arguments );
if ( val !== false )
val = ret;
if ( ret === false ) {
event.preventDefault();
event.stopPropagation();
}
}
}
return val;
},
fix: function(event) {
if ( event[expando] == true )
return event;
// store a copy of the original event object
// and "clone" to set read-only properties
var originalEvent = event;
event = { originalEvent: originalEvent };
var props = "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target timeStamp toElement type view wheelDelta which".split(" ");
for ( var i=props.length; i; i-- )
event[ props[i] ] = originalEvent[ props[i] ];
// Mark it as fixed
event[expando] = true;
// add preventDefault and stopPropagation since
// they will not work on the clone
event.preventDefault = function() {
// if preventDefault exists run it on the original event
if (originalEvent.preventDefault)
originalEvent.preventDefault();
// otherwise set the returnValue property of the original event to false (IE)
originalEvent.returnValue = false;
};
event.stopPropagation = function() {
// if stopPropagation exists run it on the original event
if (originalEvent.stopPropagation)
originalEvent.stopPropagation();
// otherwise set the cancelBubble property of the original event to true (IE)
originalEvent.cancelBubble = true;
};
// Fix timeStamp
event.timeStamp = event.timeStamp || now();
// Fix target property, if necessary
if ( !event.target )
event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
// check if target is a textnode (safari)
if ( event.target.nodeType == 3 )
event.target = event.target.parentNode;
// Add relatedTarget, if necessary
if ( !event.relatedTarget && event.fromElement )
event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;
// Calculate pageX/Y if missing and clientX/Y available
if ( event.pageX == null && event.clientX != null ) {
var doc = document.documentElement, body = document.body;
event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0);
event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
}
// Add which for key events
if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) )
event.which = event.charCode || event.keyCode;
// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
if ( !event.metaKey && event.ctrlKey )
event.metaKey = event.ctrlKey;
// Add which for click: 1 == left; 2 == middle; 3 == right
// Note: button is not normalized, so don't use it
if ( !event.which && event.button )
event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
return event;
},
proxy: function( fn, proxy ){
// Set the guid of unique handler to the same of original handler, so it can be removed
proxy.guid = fn.guid = fn.guid || proxy.guid || this.guid++;
// So proxy can be declared as an argument
return proxy;
},
special: {
ready: {
setup: function() {
// Make sure the ready event is setup
bindReady();
return;
},
teardown: function() { return; }
},
mouseenter: {
setup: function() {
if ( jQuery.browser.msie ) return false;
jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler);
return true;
},
teardown: function() {
if ( jQuery.browser.msie ) return false;
jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler);
return true;
},
handler: function(event) {
// If we actually just moused on to a sub-element, ignore it
if ( withinElement(event, this) ) return true;
// Execute the right handlers by setting the event type to mouseenter
event.type = "mouseenter";
return jQuery.event.handle.apply(this, arguments);
}
},
mouseleave: {
setup: function() {
if ( jQuery.browser.msie ) return false;
jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler);
return true;
},
teardown: function() {
if ( jQuery.browser.msie ) return false;
jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler);
return true;
},
handler: function(event) {
// If we actually just moused on to a sub-element, ignore it
if ( withinElement(event, this) ) return true;
// Execute the right handlers by setting the event type to mouseleave
event.type = "mouseleave";
return jQuery.event.handle.apply(this, arguments);
}
}
}
};
jQuery.fn.extend({
bind: function( type, data, fn ) {
return type == "unload" ? this.one(type, data, fn) : this.each(function(){
jQuery.event.add( this, type, fn || data, fn && data );
});
},
one: function( type, data, fn ) {
var one = jQuery.event.proxy( fn || data, function(event) {
jQuery(this).unbind(event, one);
return (fn || data).apply( this, arguments );
});
return this.each(function(){
jQuery.event.add( this, type, one, fn && data);
});
},
unbind: function( type, fn ) {
return this.each(function(){
jQuery.event.remove( this, type, fn );
});
},
trigger: function( type, data, fn ) {
return this.each(function(){
jQuery.event.trigger( type, data, this, true, fn );
});
},
triggerHandler: function( type, data, fn ) {
return this[0] && jQuery.event.trigger( type, data, this[0], false, fn );
},
toggle: function( fn ) {
// Save reference to arguments for access in closure
var args = arguments, i = 1;
// link all the functions, so any of them can unbind this click handler
while( i < args.length )
jQuery.event.proxy( fn, args[i++] );
return this.click( jQuery.event.proxy( fn, function(event) {
// Figure out which function to execute
this.lastToggle = ( this.lastToggle || 0 ) % i;
// Make sure that clicks stop
event.preventDefault();
// and execute the function
return args[ this.lastToggle++ ].apply( this, arguments ) || false;
}));
},
hover: function(fnOver, fnOut) {
return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut);
},
ready: function(fn) {
// Attach the listeners
bindReady();
// If the DOM is already ready
if ( jQuery.isReady )
// Execute the function immediately
fn.call( document, jQuery );
// Otherwise, remember the function for later
else
// Add the function to the wait list
jQuery.readyList.push( function() { return fn.call(this, jQuery); } );
return this;
}
});
jQuery.extend({
isReady: false,
readyList: [],
// Handle when the DOM is ready
ready: function() {
// Make sure that the DOM is not already loaded
if ( !jQuery.isReady ) {
// Remember that the DOM is ready
jQuery.isReady = true;
// If there are functions bound, to execute
if ( jQuery.readyList ) {
// Execute all of them
jQuery.each( jQuery.readyList, function(){
this.call( document );
});
// Reset the list of functions
jQuery.readyList = null;
}
// Trigger any bound ready events
jQuery(document).triggerHandler("ready");
}
}
});
var readyBound = false;
function bindReady(){
if ( readyBound ) return;
readyBound = true;
// Mozilla, Opera (see further below for it) and webkit nightlies currently support this event
if ( document.addEventListener && !jQuery.browser.opera)
// Use the handy event callback
document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
// If IE is used and is not in a frame
// Continually check to see if the document is ready
if ( jQuery.browser.msie && window == top ) (function(){
if (jQuery.isReady) return;
try {
// If IE is used, use the trick by Diego Perini
// http://javascript.nwbox.com/IEContentLoaded/
document.documentElement.doScroll("left");
} catch( error ) {
setTimeout( arguments.callee, 0 );
return;
}
// and execute any waiting functions
jQuery.ready();
})();
if ( jQuery.browser.opera )
document.addEventListener( "DOMContentLoaded", function () {
if (jQuery.isReady) return;
for (var i = 0; i < document.styleSheets.length; i++)
if (document.styleSheets[i].disabled) {
setTimeout( arguments.callee, 0 );
return;
}
// and execute any waiting functions
jQuery.ready();
}, false);
if ( jQuery.browser.safari ) {
var numStyles;
(function(){
if (jQuery.isReady) return;
if ( document.readyState != "loaded" && document.readyState != "complete" ) {
setTimeout( arguments.callee, 0 );
return;
}
if ( numStyles === undefined )
numStyles = jQuery("style, link[rel=stylesheet]").length;
if ( document.styleSheets.length != numStyles ) {
setTimeout( arguments.callee, 0 );
return;
}
// and execute any waiting functions
jQuery.ready();
})();
}
// A fallback to window.onload, that will always work
jQuery.event.add( window, "load", jQuery.ready );
}
jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
"mousedown,mouseup,mousemove,mouseover,mouseout,change,select," +
"submit,keydown,keypress,keyup,error").split(","), function(i, name){
// Handle event binding
jQuery.fn[name] = function(fn){
return fn ? this.bind(name, fn) : this.trigger(name);
};
});
// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
var withinElement = function(event, elem) {
// Check if mouse(over|out) are still within the same parent element
var parent = event.relatedTarget;
// Traverse up the tree
while ( parent && parent != elem ) try { parent = parent.parentNode; } catch(error) { parent = elem; }
// Return true if we actually just moused on to a sub-element
return parent == elem;
};
// Prevent memory leaks in IE
// And prevent errors on refresh with events like mouseover in other browsers
// Window isn't included so as not to unbind existing unload events
jQuery(window).bind("unload", function() {
jQuery("*").add(document).unbind();
});
jQuery.fn.extend({
// Keep a copy of the old load
_load: jQuery.fn.load,
load: function( url, params, callback ) {
if ( typeof url != 'string' )
return this._load( url );
var off = url.indexOf(" ");
if ( off >= 0 ) {
var selector = url.slice(off, url.length);
url = url.slice(0, off);
}
callback = callback || function(){};
// Default to a GET request
var type = "GET";
// If the second parameter was provided
if ( params )
// If it's a function
if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback
callback = params;
params = null;
// Otherwise, build a param string
} else {
params = jQuery.param( params );
type = "POST";
}
var self = this;
// Request the remote document
jQuery.ajax({
url: url,
type: type,
dataType: "html",
data: params,
complete: function(res, status){
// If successful, inject the HTML into all the matched elements
if ( status == "success" || status == "notmodified" )
// See if a selector was specified
self.html( selector ?
// Create a dummy div to hold the results
jQuery("<div/>")
// inject the contents of the document in, removing the scripts
// to avoid any 'Permission Denied' errors in IE
.append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
// Locate the specified elements
.find(selector) :
// If not, just inject the full result
res.responseText );
self.each( callback, [res.responseText, status, res] );
}
});
return this;
},
serialize: function() {
return jQuery.param(this.serializeArray());
},
serializeArray: function() {
return this.map(function(){
return jQuery.nodeName(this, "form") ?
jQuery.makeArray(this.elements) : this;
})
.filter(function(){
return this.name && !this.disabled &&
(this.checked || /select|textarea/i.test(this.nodeName) ||
/text|hidden|password/i.test(this.type));
})
.map(function(i, elem){
var val = jQuery(this).val();
return val == null ? null :
val.constructor == Array ?
jQuery.map( val, function(val, i){
return {name: elem.name, value: val};
}) :
{name: elem.name, value: val};
}).get();
}
});
// Attach a bunch of functions for handling common AJAX events
jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
jQuery.fn[o] = function(f){
return this.bind(o, f);
};
});
var jsc = now();
jQuery.extend({
get: function( url, data, callback, type ) {
// shift arguments if data argument was ommited
if ( jQuery.isFunction( data ) ) {
callback = data;
data = null;
}
return jQuery.ajax({
type: "GET",
url: url,
data: data,
success: callback,
dataType: type
});
},
getScript: function( url, callback ) {
return jQuery.get(url, null, callback, "script");
},
getJSON: function( url, data, callback ) {
return jQuery.get(url, data, callback, "json");
},
post: function( url, data, callback, type ) {
if ( jQuery.isFunction( data ) ) {
callback = data;
data = {};
}
return jQuery.ajax({
type: "POST",
url: url,
data: data,
success: callback,
dataType: type
});
},
ajaxSetup: function( settings ) {
jQuery.extend( jQuery.ajaxSettings, settings );
},
ajaxSettings: {
url: location.href,
global: true,
type: "GET",
timeout: 0,
contentType: "application/x-www-form-urlencoded",
processData: true,
async: true,
data: null,
username: null,
password: null,
accepts: {
xml: "application/xml, text/xml",
html: "text/html",
script: "text/javascript, application/javascript",
json: "application/json, text/javascript",
text: "text/plain",
_default: "*/*"
}
},
// Last-Modified header cache for next request
lastModified: {},
ajax: function( s ) {
// Extend the settings, but re-extend 's' so that it can be
// checked again later (in the test suite, specifically)
s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
var jsonp, jsre = /=\?(&|$)/g, status, data,
type = s.type.toUpperCase();
// convert data if not already a string
if ( s.data && s.processData && typeof s.data != "string" )
s.data = jQuery.param(s.data);
// Handle JSONP Parameter Callbacks
if ( s.dataType == "jsonp" ) {
if ( type == "GET" ) {
if ( !s.url.match(jsre) )
s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
} else if ( !s.data || !s.data.match(jsre) )
s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
s.dataType = "json";
}
// Build temporary JSONP function
if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) {
jsonp = "jsonp" + jsc++;
// Replace the =? sequence both in the query string and the data
if ( s.data )
s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
s.url = s.url.replace(jsre, "=" + jsonp + "$1");
// We need to make sure
// that a JSONP style response is executed properly
s.dataType = "script";
// Handle JSONP-style loading
window[ jsonp ] = function(tmp){
data = tmp;
success();
complete();
// Garbage collect
window[ jsonp ] = undefined;
try{ delete window[ jsonp ]; } catch(e){}
if ( head )
head.removeChild( script );
};
}
if ( s.dataType == "script" && s.cache == null )
s.cache = false;
if ( s.cache === false && type == "GET" ) {
var ts = now();
// try replacing _= if it is there
var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
// if nothing was replaced, add timestamp to the end
s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
}
// If data is available, append data to url for get requests
if ( s.data && type == "GET" ) {
s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
// IE likes to send both get and post data, prevent this
s.data = null;
}
// Watch for a new set of requests
if ( s.global && ! jQuery.active++ )
jQuery.event.trigger( "ajaxStart" );
// Matches an absolute URL, and saves the domain
var remote = /^(?:\w+:)?\/\/([^\/?#]+)/;
// If we're requesting a remote document
// and trying to load JSON or Script with a GET
if ( s.dataType == "script" && type == "GET"
&& remote.test(s.url) && remote.exec(s.url)[1] != location.host ){
var head = document.getElementsByTagName("head")[0];
var script = document.createElement("script");
script.src = s.url;
if (s.scriptCharset)
script.charset = s.scriptCharset;
// Handle Script loading
if ( !jsonp ) {
var done = false;
// Attach handlers for all browsers
script.onload = script.onreadystatechange = function(){
if ( !done && (!this.readyState ||
this.readyState == "loaded" || this.readyState == "complete") ) {
done = true;
success();
complete();
head.removeChild( script );
}
};
}
head.appendChild(script);
// We handle everything using the script element injection
return undefined;
}
var requestDone = false;
// Create the request object; Microsoft failed to properly
// implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
var xhr = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
// Open the socket
// Passing null username, generates a login popup on Opera (#2865)
if( s.username )
xhr.open(type, s.url, s.async, s.username, s.password);
else
xhr.open(type, s.url, s.async);
// Need an extra try/catch for cross domain requests in Firefox 3
try {
// Set the correct header, if data is being sent
if ( s.data )
xhr.setRequestHeader("Content-Type", s.contentType);
// Set the If-Modified-Since header, if ifModified mode.
if ( s.ifModified )
xhr.setRequestHeader("If-Modified-Since",
jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
// Set header so the called script knows that it's an XMLHttpRequest
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// Set the Accepts header for the server, depending on the dataType
xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
s.accepts[ s.dataType ] + ", */*" :
s.accepts._default );
} catch(e){}
// Allow custom headers/mimetypes
if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
// cleanup active request counter
s.global && jQuery.active--;
// close opended socket
xhr.abort();
return false;
}
if ( s.global )
jQuery.event.trigger("ajaxSend", [xhr, s]);
// Wait for a response to come back
var onreadystatechange = function(isTimeout){
// The transfer is complete and the data is available, or the request timed out
if ( !requestDone && xhr && (xhr.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
// clear poll interval
if (ival) {
clearInterval(ival);
ival = null;
}
status = isTimeout == "timeout" && "timeout" ||
!jQuery.httpSuccess( xhr ) && "error" ||
s.ifModified && jQuery.httpNotModified( xhr, s.url ) && "notmodified" ||
"success";
if ( status == "success" ) {
// Watch for, and catch, XML document parse errors
try {
// process the data (runs the xml through httpData regardless of callback)
data = jQuery.httpData( xhr, s.dataType, s.dataFilter );
} catch(e) {
status = "parsererror";
}
}
// Make sure that the request was successful or notmodified
if ( status == "success" ) {
// Cache Last-Modified header, if ifModified mode.
var modRes;
try {
modRes = xhr.getResponseHeader("Last-Modified");
} catch(e) {} // swallow exception thrown by FF if header is not available
if ( s.ifModified && modRes )
jQuery.lastModified[s.url] = modRes;
// JSONP handles its own success callback
if ( !jsonp )
success();
} else
jQuery.handleError(s, xhr, status);
// Fire the complete handlers
complete();
// Stop memory leaks
if ( s.async )
xhr = null;
}
};
if ( s.async ) {
// don't attach the handler to the request, just poll it instead
var ival = setInterval(onreadystatechange, 13);
// Timeout checker
if ( s.timeout > 0 )
setTimeout(function(){
// Check to see if the request is still happening
if ( xhr ) {
// Cancel the request
xhr.abort();
if( !requestDone )
onreadystatechange( "timeout" );
}
}, s.timeout);
}
// Send the data
try {
xhr.send(s.data);
} catch(e) {
jQuery.handleError(s, xhr, null, e);
}
// firefox 1.5 doesn't fire statechange for sync requests
if ( !s.async )
onreadystatechange();
function success(){
// If a local callback was specified, fire it and pass it the data
if ( s.success )
s.success( data, status );
// Fire the global callback
if ( s.global )
jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
}
function complete(){
// Process result
if ( s.complete )
s.complete(xhr, status);
// The request was completed
if ( s.global )
jQuery.event.trigger( "ajaxComplete", [xhr, s] );
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );
}
// return XMLHttpRequest to allow aborting the request etc.
return xhr;
},
handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) s.error( xhr, status, e );
// Fire the global callback
if ( s.global )
jQuery.event.trigger( "ajaxError", [xhr, s, e] );
},
// Counter for holding the number of active queries
active: 0,
// Determines if an XMLHttpRequest was successful or not
httpSuccess: function( xhr ) {
try {
// IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
return !xhr.status && location.protocol == "file:" ||
( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223 ||
jQuery.browser.safari && xhr.status == undefined;
} catch(e){}
return false;
},
// Determines if an XMLHttpRequest returns NotModified
httpNotModified: function( xhr, url ) {
try {
var xhrRes = xhr.getResponseHeader("Last-Modified");
// Firefox always returns 200. check Last-Modified date
return xhr.status == 304 || xhrRes == jQuery.lastModified[url] ||
jQuery.browser.safari && xhr.status == undefined;
} catch(e){}
return false;
},
httpData: function( xhr, type, filter ) {
var ct = xhr.getResponseHeader("content-type"),
xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0,
data = xml ? xhr.responseXML : xhr.responseText;
if ( xml && data.documentElement.tagName == "parsererror" )
throw "parsererror";
// Allow a pre-filtering function to sanitize the response
if( filter )
data = filter( data, type );
// If the type is "script", eval it in global context
if ( type == "script" )
jQuery.globalEval( data );
// Get the JavaScript object, if JSON is used.
if ( type == "json" )
data = eval("(" + data + ")");
return data;
},
// Serialize an array of form elements or a set of
// key/values into a query string
param: function( a ) {
var s = [];
// If an array was passed in, assume that it is an array
// of form elements
if ( a.constructor == Array || a.jquery )
// Serialize the form elements
jQuery.each( a, function(){
s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
});
// Otherwise, assume that it's an object of key/value pairs
else
// Serialize the key/values
for ( var j in a )
// If the value is an array then the key names need to be repeated
if ( a[j] && a[j].constructor == Array )
jQuery.each( a[j], function(){
s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
});
else
s.push( encodeURIComponent(j) + "=" + encodeURIComponent( jQuery.isFunction(a[j]) ? a[j]() : a[j] ) );
// Return the resulting serialization
return s.join("&").replace(/%20/g, "+");
}
});
jQuery.fn.extend({
show: function(speed,callback){
return speed ?
this.animate({
height: "show", width: "show", opacity: "show"
}, speed, callback) :
this.filter(":hidden").each(function(){
this.style.display = this.oldblock || "";
if ( jQuery.css(this,"display") == "none" ) {
var elem = jQuery("<" + this.tagName + " />").appendTo("body");
this.style.display = elem.css("display");
// handle an edge condition where css is - div { display:none; } or similar
if (this.style.display == "none")
this.style.display = "block";
elem.remove();
}
}).end();
},
hide: function(speed,callback){
return speed ?
this.animate({
height: "hide", width: "hide", opacity: "hide"
}, speed, callback) :
this.filter(":visible").each(function(){
this.oldblock = this.oldblock || jQuery.css(this,"display");
this.style.display = "none";
}).end();
},
// Save the old toggle function
_toggle: jQuery.fn.toggle,
toggle: function( fn, fn2 ){
return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
this._toggle.apply( this, arguments ) :
fn ?
this.animate({
height: "toggle", width: "toggle", opacity: "toggle"
}, fn, fn2) :
this.each(function(){
jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
});
},
slideDown: function(speed,callback){
return this.animate({height: "show"}, speed, callback);
},
slideUp: function(speed,callback){
return this.animate({height: "hide"}, speed, callback);
},
slideToggle: function(speed, callback){
return this.animate({height: "toggle"}, speed, callback);
},
fadeIn: function(speed, callback){
return this.animate({opacity: "show"}, speed, callback);
},
fadeOut: function(speed, callback){
return this.animate({opacity: "hide"}, speed, callback);
},
fadeTo: function(speed,to,callback){
return this.animate({opacity: to}, speed, callback);
},
animate: function( prop, speed, easing, callback ) {
var optall = jQuery.speed(speed, easing, callback);
return this[ optall.queue === false ? "each" : "queue" ](function(){
if ( this.nodeType != 1)
return false;
var opt = jQuery.extend({}, optall), p,
hidden = jQuery(this).is(":hidden"), self = this;
for ( p in prop ) {
if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
return opt.complete.call(this);
if ( p == "height" || p == "width" ) {
// Store display property
opt.display = jQuery.css(this, "display");
// Make sure that nothing sneaks out
opt.overflow = this.style.overflow;
}
}
if ( opt.overflow != null )
this.style.overflow = "hidden";
opt.curAnim = jQuery.extend({}, prop);
jQuery.each( prop, function(name, val){
var e = new jQuery.fx( self, opt, name );
if ( /toggle|show|hide/.test(val) )
e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
else {
var parts = val.toString().match(/^([+-]=)?([\d+-.]+)(.*)$/),
start = e.cur(true) || 0;
if ( parts ) {
var end = parseFloat(parts[2]),
unit = parts[3] || "px";
// We need to compute starting value
if ( unit != "px" ) {
self.style[ name ] = (end || 1) + unit;
start = ((end || 1) / e.cur(true)) * start;
self.style[ name ] = start + unit;
}
// If a +=/-= token was provided, we're doing a relative animation
if ( parts[1] )
end = ((parts[1] == "-=" ? -1 : 1) * end) + start;
e.custom( start, end, unit );
} else
e.custom( start, val, "" );
}
});
// For JS strict compliance
return true;
});
},
queue: function(type, fn){
if ( jQuery.isFunction(type) || ( type && type.constructor == Array )) {
fn = type;
type = "fx";
}
if ( !type || (typeof type == "string" && !fn) )
return queue( this[0], type );
return this.each(function(){
if ( fn.constructor == Array )
queue(this, type, fn);
else {
queue(this, type).push( fn );
if ( queue(this, type).length == 1 )
fn.call(this);
}
});
},
stop: function(clearQueue, gotoEnd){
var timers = jQuery.timers;
if (clearQueue)
this.queue([]);
this.each(function(){
// go in reverse order so anything added to the queue during the loop is ignored
for ( var i = timers.length - 1; i >= 0; i-- )
if ( timers[i].elem == this ) {
if (gotoEnd)
// force the next step to be the last
timers[i](true);
timers.splice(i, 1);
}
});
// start the next in the queue if the last step wasn't forced
if (!gotoEnd)
this.dequeue();
return this;
}
});
var queue = function( elem, type, array ) {
if ( elem ){
type = type || "fx";
var q = jQuery.data( elem, type + "queue" );
if ( !q || array )
q = jQuery.data( elem, type + "queue", jQuery.makeArray(array) );
}
return q;
};
jQuery.fn.dequeue = function(type){
type = type || "fx";
return this.each(function(){
var q = queue(this, type);
q.shift();
if ( q.length )
q[0].call( this );
});
};
jQuery.extend({
speed: function(speed, easing, fn) {
var opt = speed && speed.constructor == Object ? speed : {
complete: fn || !fn && easing ||
jQuery.isFunction( speed ) && speed,
duration: speed,
easing: fn && easing || easing && easing.constructor != Function && easing
};
opt.duration = (opt.duration && opt.duration.constructor == Number ?
opt.duration :
jQuery.fx.speeds[opt.duration]) || jQuery.fx.speeds.def;
// Queueing
opt.old = opt.complete;
opt.complete = function(){
if ( opt.queue !== false )
jQuery(this).dequeue();
if ( jQuery.isFunction( opt.old ) )
opt.old.call( this );
};
return opt;
},
easing: {
linear: function( p, n, firstNum, diff ) {
return firstNum + diff * p;
},
swing: function( p, n, firstNum, diff ) {
return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum;
}
},
timers: [],
timerId: null,
fx: function( elem, options, prop ){
this.options = options;
this.elem = elem;
this.prop = prop;
if ( !options.orig )
options.orig = {};
}
});
jQuery.fx.prototype = {
// Simple function for setting a style value
update: function(){
if ( this.options.step )
this.options.step.call( this.elem, this.now, this );
(jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
// Set display property to block for height/width animations
if ( this.prop == "height" || this.prop == "width" )
this.elem.style.display = "block";
},
// Get the current size
cur: function(force){
if ( this.elem[this.prop] != null && this.elem.style[this.prop] == null )
return this.elem[ this.prop ];
var r = parseFloat(jQuery.css(this.elem, this.prop, force));
return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0;
},
// Start an animation from one number to another
custom: function(from, to, unit){
this.startTime = now();
this.start = from;
this.end = to;
this.unit = unit || this.unit || "px";
this.now = this.start;
this.pos = this.state = 0;
this.update();
var self = this;
function t(gotoEnd){
return self.step(gotoEnd);
}
t.elem = this.elem;
jQuery.timers.push(t);
if ( jQuery.timerId == null ) {
jQuery.timerId = setInterval(function(){
var timers = jQuery.timers;
for ( var i = 0; i < timers.length; i++ )
if ( !timers[i]() )
timers.splice(i--, 1);
if ( !timers.length ) {
clearInterval( jQuery.timerId );
jQuery.timerId = null;
}
}, 13);
}
},
// Simple 'show' function
show: function(){
// Remember where we started, so that we can go back to it later
this.options.orig[this.prop] = jQuery.attr( this.elem.style, this.prop );
this.options.show = true;
// Begin the animation
this.custom(0, this.cur());
// Make sure that we start at a small width/height to avoid any
// flash of content
if ( this.prop == "width" || this.prop == "height" )
this.elem.style[this.prop] = "1px";
// Start by showing the element
jQuery(this.elem).show();
},
// Simple 'hide' function
hide: function(){
// Remember where we started, so that we can go back to it later
this.options.orig[this.prop] = jQuery.attr( this.elem.style, this.prop );
this.options.hide = true;
// Begin the animation
this.custom(this.cur(), 0);
},
// Each step of an animation
step: function(gotoEnd){
var t = now();
if ( gotoEnd || t > this.options.duration + this.startTime ) {
this.now = this.end;
this.pos = this.state = 1;
this.update();
this.options.curAnim[ this.prop ] = true;
var done = true;
for ( var i in this.options.curAnim )
if ( this.options.curAnim[i] !== true )
done = false;
if ( done ) {
if ( this.options.display != null ) {
// Reset the overflow
this.elem.style.overflow = this.options.overflow;
// Reset the display
this.elem.style.display = this.options.display;
if ( jQuery.css(this.elem, "display") == "none" )
this.elem.style.display = "block";
}
// Hide the element if the "hide" operation was done
if ( this.options.hide )
this.elem.style.display = "none";
// Reset the properties, if the item has been hidden or shown
if ( this.options.hide || this.options.show )
for ( var p in this.options.curAnim )
jQuery.attr(this.elem.style, p, this.options.orig[p]);
}
if ( done )
// Execute the complete function
this.options.complete.call( this.elem );
return false;
} else {
var n = t - this.startTime;
this.state = n / this.options.duration;
// Perform the easing function, defaults to swing
this.pos = jQuery.easing[this.options.easing || (jQuery.easing.swing ? "swing" : "linear")](this.state, n, 0, 1, this.options.duration);
this.now = this.start + ((this.end - this.start) * this.pos);
// Perform the next step of the animation
this.update();
}
return true;
}
};
jQuery.extend( jQuery.fx, {
speeds:{
slow: 600,
fast: 200,
// Default speed
def: 400
},
step: {
scrollLeft: function(fx){
fx.elem.scrollLeft = fx.now;
},
scrollTop: function(fx){
fx.elem.scrollTop = fx.now;
},
opacity: function(fx){
jQuery.attr(fx.elem.style, "opacity", fx.now);
},
_default: function(fx){
fx.elem.style[ fx.prop ] = fx.now + fx.unit;
}
}
});
// The Offset Method
// Originally By Brandon Aaron, part of the Dimension Plugin
// http://jquery.com/plugins/project/dimensions
jQuery.fn.offset = function() {
var left = 0, top = 0, elem = this[0], results;
if ( elem ) with ( jQuery.browser ) {
var parent = elem.parentNode,
offsetChild = elem,
offsetParent = elem.offsetParent,
doc = elem.ownerDocument,
safari2 = safari && parseInt(version) < 522 && !/adobeair/i.test(userAgent),
css = jQuery.curCSS,
fixed = css(elem, "position") == "fixed";
// Use getBoundingClientRect if available
if ( elem.getBoundingClientRect ) {
var box = elem.getBoundingClientRect();
// Add the document scroll offsets
add(box.left + Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
box.top + Math.max(doc.documentElement.scrollTop, doc.body.scrollTop));
// IE adds the HTML element's border, by default it is medium which is 2px
// IE 6 and 7 quirks mode the border width is overwritable by the following css html { border: 0; }
// IE 7 standards mode, the border is always 2px
// This border/offset is typically represented by the clientLeft and clientTop properties
// However, in IE6 and 7 quirks mode the clientLeft and clientTop properties are not updated when overwriting it via CSS
// Therefore this method will be off by 2px in IE while in quirksmode
add( -doc.documentElement.clientLeft, -doc.documentElement.clientTop );
// Otherwise loop through the offsetParents and parentNodes
} else {
// Initial element offsets
add( elem.offsetLeft, elem.offsetTop );
// Get parent offsets
while ( offsetParent ) {
// Add offsetParent offsets
add( offsetParent.offsetLeft, offsetParent.offsetTop );
// Mozilla and Safari > 2 does not include the border on offset parents
// However Mozilla adds the border for table or table cells
if ( mozilla && !/^t(able|d|h)$/i.test(offsetParent.tagName) || safari && !safari2 )
border( offsetParent );
// Add the document scroll offsets if position is fixed on any offsetParent
if ( !fixed && css(offsetParent, "position") == "fixed" )
fixed = true;
// Set offsetChild to previous offsetParent unless it is the body element
offsetChild = /^body$/i.test(offsetParent.tagName) ? offsetChild : offsetParent;
// Get next offsetParent
offsetParent = offsetParent.offsetParent;
}
// Get parent scroll offsets
while ( parent && parent.tagName && !/^body|html$/i.test(parent.tagName) ) {
// Remove parent scroll UNLESS that parent is inline or a table to work around Opera inline/table scrollLeft/Top bug
if ( !/^inline|table.*$/i.test(css(parent, "display")) )
// Subtract parent scroll offsets
add( -parent.scrollLeft, -parent.scrollTop );
// Mozilla does not add the border for a parent that has overflow != visible
if ( mozilla && css(parent, "overflow") != "visible" )
border( parent );
// Get next parent
parent = parent.parentNode;
}
// Safari <= 2 doubles body offsets with a fixed position element/offsetParent or absolutely positioned offsetChild
// Mozilla doubles body offsets with a non-absolutely positioned offsetChild
if ( (safari2 && (fixed || css(offsetChild, "position") == "absolute")) ||
(mozilla && css(offsetChild, "position") != "absolute") )
add( -doc.body.offsetLeft, -doc.body.offsetTop );
// Add the document scroll offsets if position is fixed
if ( fixed )
add(Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
Math.max(doc.documentElement.scrollTop, doc.body.scrollTop));
}
// Return an object with top and left properties
results = { top: top, left: left };
}
function border(elem) {
add( jQuery.curCSS(elem, "borderLeftWidth", true), jQuery.curCSS(elem, "borderTopWidth", true) );
}
function add(l, t) {
left += parseInt(l, 10) || 0;
top += parseInt(t, 10) || 0;
}
return results;
};
jQuery.fn.extend({
position: function() {
var left = 0, top = 0, results;
if ( this[0] ) {
// Get *real* offsetParent
var offsetParent = this.offsetParent(),
// Get correct offsets
offset = this.offset(),
parentOffset = /^body|html$/i.test(offsetParent[0].tagName) ? { top: 0, left: 0 } : offsetParent.offset();
// Subtract element margins
// note: when an element has margin: auto the offsetLeft and marginLeft
// are the same in Safari causing offset.left to incorrectly be 0
offset.top -= num( this, 'marginTop' );
offset.left -= num( this, 'marginLeft' );
// Add offsetParent borders
parentOffset.top += num( offsetParent, 'borderTopWidth' );
parentOffset.left += num( offsetParent, 'borderLeftWidth' );
// Subtract the two offsets
results = {
top: offset.top - parentOffset.top,
left: offset.left - parentOffset.left
};
}
return results;
},
offsetParent: function() {
var offsetParent = this[0].offsetParent;
while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && jQuery.css(offsetParent, 'position') == 'static') )
offsetParent = offsetParent.offsetParent;
return jQuery(offsetParent);
}
});
// Create scrollLeft and scrollTop methods
jQuery.each( ['Left', 'Top'], function(i, name) {
var method = 'scroll' + name;
jQuery.fn[ method ] = function(val) {
if (!this[0]) return;
return val != undefined ?
// Set the scroll offset
this.each(function() {
this == window || this == document ?
window.scrollTo(
!i ? val : jQuery(window).scrollLeft(),
i ? val : jQuery(window).scrollTop()
) :
this[ method ] = val;
}) :
// Return the scroll offset
this[0] == window || this[0] == document ?
self[ i ? 'pageYOffset' : 'pageXOffset' ] ||
jQuery.boxModel && document.documentElement[ method ] ||
document.body[ method ] :
this[0][ method ];
};
});
// Create innerHeight, innerWidth, outerHeight and outerWidth methods
jQuery.each([ "Height", "Width" ], function(i, name){
var tl = i ? "Left" : "Top", // top or left
br = i ? "Right" : "Bottom"; // bottom or right
// innerHeight and innerWidth
jQuery.fn["inner" + name] = function(){
return this[ name.toLowerCase() ]() +
num(this, "padding" + tl) +
num(this, "padding" + br);
};
// outerHeight and outerWidth
jQuery.fn["outer" + name] = function(margin) {
return this["inner" + name]() +
num(this, "border" + tl + "Width") +
num(this, "border" + br + "Width") +
(margin ?
num(this, "margin" + tl) + num(this, "margin" + br) : 0);
};
});})();
