JQuery.js: Difference between revisions
(New page: (function(){ /* * jQuery 1.2.1 - New Wave Javascript * * Copyright (c) 2007 John Resig (jquery.com) * Dual licensed under the MIT (MIT-LICENSE.txt) * and GPL (GPL-LICENSE.txt) license...) |
m (MediaWiki:Jquery.js moved to MediaWiki:JQuery.js) |
(No difference)
| |
Revision as of 15:15, 17 March 2008
(function(){
/*
* jQuery 1.2.1 - New Wave Javascript
*
* Copyright (c) 2007 John Resig (jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date: 2007-09-16 23:42:06 -0400 (Sun, 16 Sep 2007) $
* $Rev: 3353 $
*/
// Map over jQuery in case of overwrite
if ( typeof jQuery != "undefined" )
var _jQuery = jQuery;
var jQuery = window.jQuery = function(selector, context) {
// If the context is a namespace object, return a new object
return this instanceof jQuery ?
this.init(selector, context) :
new jQuery(selector, context);
};
// Map over the $ in case of overwrite
if ( typeof $ != "undefined" )
var _$ = $;
// Map the jQuery namespace to the '$' one
window.$ = jQuery;
var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
jQuery.fn = jQuery.prototype = {
init: function(selector, context) {
// Make sure that a selection was provided
selector = selector || document;
// Handle HTML strings
if ( typeof selector == "string" ) {
var m = quickExpr.exec(selector);
if ( m && (m[1] || !context) ) {
// HANDLE: $(html) -> $(array)
if ( m[1] )
selector = jQuery.clean( [ m[1] ], context );
// HANDLE: $("#id")
else {
var tmp = document.getElementById( m[3] );
if ( tmp )
// Handle the case where IE and Opera return items
// by name instead of ID
if ( tmp.id != m[3] )
return jQuery().find( selector );
else {
this[0] = tmp;
this.length = 1;
return this;
}
else
selector = [];
}
// HANDLE: $(expr)
} else
return new jQuery( context ).find( selector );
// HANDLE: $(function)
// Shortcut for document ready
} else if ( jQuery.isFunction(selector) )
return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( selector );
return this.setArray(
// HANDLE: $(array)
selector.constructor == Array && selector ||
// HANDLE: $(arraylike)
// Watch for when an array-like object is passed as the selector
(selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
// HANDLE: $(*)
[ selector ] );
},
jquery: "1.2.1",
size: function() {
return this.length;
},
length: 0,
get: function( num ) {
return num == undefined ?
// Return a 'clean' array
jQuery.makeArray( this ) :
// Return just the object
this[num];
},
pushStack: function( a ) {
var ret = jQuery(a);
ret.prevObject = this;
return ret;
},
setArray: function( a ) {
this.length = 0;
Array.prototype.push.apply( this, a );
return this;
},
each: function( fn, args ) {
return jQuery.each( this, fn, args );
},
index: function( obj ) {
var pos = -1;
this.each(function(i){
if ( this == obj ) pos = i;
});
return pos;
},
attr: function( key, value, type ) {
var obj = key;
// Look for the case where we're accessing a style value
if ( key.constructor == String )
if ( value == undefined )
return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
else {
obj = {};
obj[ key ] = value;
}
// Check to see if we're setting style values
return this.each(function(index){
// Set all the styles
for ( var prop in obj )
jQuery.attr(
type ? this.style : this,
prop, jQuery.prop(this, obj[prop], type, index, prop)
);
});
},
css: function( key, value ) {
return this.attr( key, value, "curCSS" );
},
text: function(e) {
if ( typeof e != "object" && e != null )
return this.empty().append( document.createTextNode( e ) );
var t = "";
jQuery.each( e || this, function(){
jQuery.each( this.childNodes, function(){
if ( this.nodeType != 8 )
t += this.nodeType != 1 ?
this.nodeValue : jQuery.fn.text([ this ]);
});
});
return t;
},
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, 1, function(a){
this.appendChild( a );
});
},
prepend: function() {
return this.domManip(arguments, true, -1, function(a){
this.insertBefore( a, this.firstChild );
});
},
before: function() {
return this.domManip(arguments, false, 1, function(a){
this.parentNode.insertBefore( a, this );
});
},
after: function() {
return this.domManip(arguments, false, -1, function(a){
this.parentNode.insertBefore( a, this.nextSibling );
});
},
end: function() {
return this.prevObject || jQuery([]);
},
find: function(t) {
var data = jQuery.map(this, function(a){ return jQuery.find(t,a); });
return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ?
jQuery.unique( data ) : data );
},
clone: function(events) {
// Do the clone
var ret = this.map(function(){
return this.outerHTML ? jQuery(this.outerHTML)[0] : 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) {
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(t) {
return this.pushStack(
jQuery.isFunction( t ) &&
jQuery.grep(this, function(el, index){
return t.apply(el, [index]);
}) ||
jQuery.multiFilter(t,this) );
},
not: function(t) {
return this.pushStack(
t.constructor == String &&
jQuery.multiFilter(t, this, true) ||
jQuery.grep(this, function(a) {
return ( t.constructor == Array || t.jquery )
? jQuery.inArray( a, t ) < 0
: a != t;
})
);
},
add: function(t) {
return this.pushStack( jQuery.merge(
this.get(),
t.constructor == String ?
jQuery(t).get() :
t.length != undefined && (!t.nodeName || jQuery.nodeName(t, "form")) ?
t : [t] )
);
},
is: function(expr) {
return expr ? jQuery.multiFilter(expr,this).length > 0 : false;
},
hasClass: function(expr) {
return this.is("." + expr);
},
val: function( val ) {
if ( val == undefined ) {
if ( this.length ) {
var elem = this[0];
// We need to handle select boxes special
if ( jQuery.nodeName(elem, "select") ) {
var index = elem.selectedIndex,
a = [],
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
var val = jQuery.browser.msie && !option.attributes["value"].specified ? option.text : option.value;
// We don't need an array for one selects
if ( one )
return val;
// Multi-Selects return an array
a.push(val);
}
}
return a;
// Everything else, we just grab the value
} else
return this[0].value.replace(/\r/g, "");
}
} else
return this.each(function(){
if ( val.constructor == Array && /radio|checkbox/.test(this.type) )
this.checked = (jQuery.inArray(this.value, val) >= 0 ||
jQuery.inArray(this.name, val) >= 0);
else if ( jQuery.nodeName(this, "select") ) {
var tmp = val.constructor == Array ? val : [val];
jQuery("option", this).each(function(){
this.selected = (jQuery.inArray(this.value, tmp) >= 0 ||
jQuery.inArray(this.text, tmp) >= 0);
});
if ( !tmp.length )
this.selectedIndex = -1;
} else
this.value = val;
});
},
html: function( val ) {
return val == undefined ?
( this.length ? this[0].innerHTML : null ) :
this.empty().append( val );
},
replaceWith: function( val ) {
return this.after( val ).remove();
},
eq: function(i){
return this.slice(i, i+1);
},
slice: function() {
return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
},
map: function(fn) {
return this.pushStack(jQuery.map( this, function(elem,i){
return fn.call( elem, i, elem );
}));
},
andSelf: function() {
return this.add( this.prevObject );
},
domManip: function(args, table, dir, fn) {
var clone = this.length > 1, a;
return this.each(function(){
if ( !a ) {
a = jQuery.clean(args, this.ownerDocument);
if ( dir < 0 )
a.reverse();
}
var obj = this;
if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
jQuery.each( a, function(){
var elem = clone ? this.cloneNode(true) : this;
if ( !evalScript(0, elem) )
fn.call( obj, elem );
});
});
}
};
function evalScript(i, elem){
var script = jQuery.nodeName(elem, "script");
if ( script ) {
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);
} else if ( elem.nodeType == 1 )
jQuery("script", elem).each(evalScript);
return script;
}
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
var target = arguments[0] || {}, a = 1, al = arguments.length, deep = false;
// Handle a deep copy situation
if ( target.constructor == Boolean ) {
deep = target;
target = arguments[1] || {};
}
// extend jQuery itself if only one argument is passed
if ( al == 1 ) {
target = this;
a = 0;
}
var prop;
for ( ; a < al; a++ )
// Only deal with non-null/undefined values
if ( (prop = arguments[a]) != null )
// Extend the base object
for ( var i in prop ) {
// Prevent never-ending loop
if ( target == prop[i] )
continue;
// Recurse if we're merging object values
if ( deep && typeof prop[i] == 'object' && target[i] )
jQuery.extend( target[i], prop[i] );
// Don't bring in undefined values
else if ( prop[i] != undefined )
target[i] = prop[i];
}
// Return the modified object
return target;
};
var expando = "jQuery" + (new Date()).getTime(), uuid = 0, win = {};
jQuery.extend({
noConflict: function(deep) {
window.$ = _$;
if ( deep )
window.jQuery = _jQuery;
return jQuery;
},
// This may seem like some crazy code, but trust me when I say that this
// is the only cross-browser way to do this. --John
isFunction: function( fn ) {
return !!fn && typeof fn != "string" && !fn.nodeName &&
fn.constructor != Array && /function/i.test( fn + "" );
},
// check if an element is in a XML document
isXMLDoc: function(elem) {
return elem.documentElement && !elem.body ||
elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
},
// Evalulates a script in a global context
// Evaluates Async. in Safari 2 :-(
globalEval: function( data ) {
data = jQuery.trim( data );
if ( data ) {
if ( window.execScript )
window.execScript( data );
else if ( jQuery.browser.safari )
// safari doesn't provide a synchronous global eval
window.setTimeout( data, 0 );
else
eval.call( window, data );
}
},
nodeName: function( elem, name ) {
return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
},
cache: {},
data: function( elem, name, data ) {
elem = elem == window ? win : 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 ? win : 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( obj, fn, args ) {
if ( args ) {
if ( obj.length == undefined )
for ( var i in obj )
fn.apply( obj[i], args );
else
for ( var i = 0, ol = obj.length; i < ol; i++ )
if ( fn.apply( obj[i], args ) === false ) break;
// A special, fast, case for the most common use of each
} else {
if ( obj.length == undefined )
for ( var i in obj )
fn.call( obj[i], i, obj[i] );
else
for ( var i = 0, ol = obj.length, val = obj[0];
i < ol && fn.call(val,i,val) !== false; val = obj[++i] ){}
}
return obj;
},
prop: function(elem, value, type, index, prop){
// Handle executable functions
if ( jQuery.isFunction( value ) )
value = value.call( elem, [index] );
// exclude the following css properties to add px
var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
// Handle passing in a number to a CSS property
return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
value + "px" :
value;
},
className: {
// internal only, use addClass("class")
add: function( elem, c ){
jQuery.each( (c || "").split(/\s+/), function(i, cur){
if ( !jQuery.className.has( elem.className, cur ) )
elem.className += ( elem.className ? " " : "" ) + cur;
});
},
// internal only, use removeClass("class")
remove: function( elem, c ){
elem.className = c != undefined ?
jQuery.grep( elem.className.split(/\s+/), function(cur){
return !jQuery.className.has( c, cur );
}).join(" ") : "";
},
// internal only, use is(".class")
has: function( t, c ) {
return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1;
}
},
swap: function(e,o,f) {
for ( var i in o ) {
e.style["old"+i] = e.style[i];
e.style[i] = o[i];
}
f.apply( e, [] );
for ( var i in o )
e.style[i] = e.style["old"+i];
},
css: function(e,p) {
if ( p == "height" || p == "width" ) {
var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
jQuery.each( d, function(){
old["padding" + this] = 0;
old["border" + this + "Width"] = 0;
});
jQuery.swap( e, old, function() {
if ( jQuery(e).is(':visible') ) {
oHeight = e.offsetHeight;
oWidth = e.offsetWidth;
} else {
e = jQuery(e.cloneNode(true))
.find(":radio").removeAttr("checked").end()
.css({
visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
}).appendTo(e.parentNode)[0];
var parPos = jQuery.css(e.parentNode,"position") || "static";
if ( parPos == "static" )
e.parentNode.style.position = "relative";
oHeight = e.clientHeight;
oWidth = e.clientWidth;
if ( parPos == "static" )
e.parentNode.style.position = "static";
e.parentNode.removeChild(e);
}
});
return p == "height" ? oHeight : oWidth;
}
return jQuery.curCSS( e, p );
},
curCSS: function(elem, prop, force) {
var ret, stack = [], swap = [];
// A helper method for determining if an element's values are broken
function color(a){
if ( !jQuery.browser.safari )
return false;
var ret = document.defaultView.getComputedStyle(a,null);
return !ret || ret.getPropertyValue("color") == "";
}
if (prop == "opacity" && jQuery.browser.msie) {
ret = jQuery.attr(elem.style, "opacity");
return ret == "" ? "1" : ret;
}
if (prop.match(/float/i))
prop = styleFloat;
if (!force && elem.style[prop])
ret = elem.style[prop];
else if (document.defaultView && document.defaultView.getComputedStyle) {
if (prop.match(/float/i))
prop = "float";
prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
var cur = document.defaultView.getComputedStyle(elem, null);
if ( cur && !color(elem) )
ret = cur.getPropertyValue(prop);
// If the element isn't reporting its values properly in Safari
// then some display: none elements are involved
else {
// Locate all of the parent display: none elements
for ( var a = elem; a && color(a); a = a.parentNode )
stack.unshift(a);
// Go through and make them visible, but in reverse
// (It would be better if we knew the exact display type that they had)
for ( a = 0; a < stack.length; a++ )
if ( color(stack[a]) ) {
swap[a] = stack[a].style.display;
stack[a].style.display = "block";
}
// Since we flip the display style, we have to handle that
// one special, otherwise get the value
ret = prop == "display" && swap[stack.length-1] != null ?
"none" :
document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) || "";
// Finally, revert the display styles back
for ( a = 0; a < swap.length; a++ )
if ( swap[a] != null )
stack[a].style.display = swap[a];
}
if ( prop == "opacity" && ret == "" )
ret = "1";
} else if (elem.currentStyle) {
var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
// From the awesome hack by Dean Edwards
// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
if ( !/^\d+(px)?$/i.test(ret) && /^\d/.test(ret) ) {
var style = elem.style.left;
var runtimeStyle = elem.runtimeStyle.left;
elem.runtimeStyle.left = elem.currentStyle.left;
elem.style.left = ret || 0;
ret = elem.style.pixelLeft + "px";
elem.style.left = style;
elem.runtimeStyle.left = runtimeStyle;
}
}
return ret;
},
clean: function(a, doc) {
var r = [];
doc = doc || document;
jQuery.each( a, function(i,arg){
if ( !arg ) return;
if ( arg.constructor == Number )
arg = arg.toString();
// Convert html string into DOM nodes
if ( typeof arg == "string" ) {
// Fix "XHTML"-style tags in all browsers
arg = arg.replace(/(<(\w+)[^>]*?)\/>/g, function(m, all, tag){
return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i)? m : all+"></"+tag+">";
});
// Trim whitespace, otherwise indexOf won't work as expected
var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = [];
var wrap =
// option or optgroup
!s.indexOf("<opt") &&
[1, "<select>", "</select>"] ||
!s.indexOf("<leg") &&
[1, "<fieldset>", "</fieldset>"] ||
s.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
[1, "<table>", "</table>"] ||
!s.indexOf("<tr") &&
[2, "<table><tbody>", "</tbody></table>"] ||
// <thead> matched above
(!s.indexOf("<td") || !s.indexOf("<th")) &&
[3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
!s.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] + arg + 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>
if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 )
tb = div.firstChild && div.firstChild.childNodes;
// String was a bare <thead> or <tfoot>
else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
tb = div.childNodes;
for ( var n = tb.length-1; n >= 0 ; --n )
if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
tb[n].parentNode.removeChild(tb[n]);
// IE completely kills leading whitespace when innerHTML is used
if ( /^\s/.test(arg) )
div.insertBefore( doc.createTextNode( arg.match(/^\s*/)[0] ), div.firstChild );
}
arg = jQuery.makeArray( div.childNodes );
}
if ( 0 === arg.length && (!jQuery.nodeName(arg, "form") && !jQuery.nodeName(arg, "select")) )
return;
if ( arg[0] == undefined || jQuery.nodeName(arg, "form") || arg.options )
r.push( arg );
else
r = jQuery.merge( r, arg );
});
return r;
},
attr: function(elem, name, value){
var fix = jQuery.isXMLDoc(elem) ? {} : jQuery.props;
// 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;
// Certain attributes only work when accessed via the old DOM 0 way
if ( fix[name] ) {
if ( value != undefined ) elem[fix[name]] = value;
return elem[fix[name]];
} else if ( jQuery.browser.msie && name == "style" )
return jQuery.attr( elem.style, "cssText", value );
else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
return elem.getAttributeNode(name).nodeValue;
// IE elem.getAttribute passes even for style
else if ( elem.tagName ) {
if ( value != undefined ) {
if ( name == "type" && jQuery.nodeName(elem,"input") && elem.parentNode )
throw "type property can't be changed";
elem.setAttribute( name, value );
}
if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
// elem is actually elem.style ... set the style
} else {
// IE actually uses filters for opacity
if ( name == "opacity" && jQuery.browser.msie ) {
if ( value != undefined ) {
// 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\([^)]*\)/,"") +
(parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
}
return elem.filter ?
(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
}
name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
if ( value != undefined ) elem[name] = value;
return elem[name];
}
},
trim: function(t){
return (t||"").replace(/^\s+|\s+$/g, "");
},
makeArray: function( a ) {
var r = [];
// Need to use typeof to fight Safari childNodes crashes
if ( typeof a != "array" )
for ( var i = 0, al = a.length; i < al; i++ )
r.push( a[i] );
else
r = a.slice( 0 );
return r;
},
inArray: function( b, a ) {
for ( var i = 0, al = a.length; i < al; i++ )
if ( a[i] == b )
return i;
return -1;
},
merge: function(first, second) {
// We have to loop this way because IE & Opera overwrite the length
// expando of getElementsByTagName
// Also, we need to make sure that the correct elements are being returned
// (IE returns comment nodes in a '*' query)
if ( jQuery.browser.msie ) {
for ( var i = 0; second[i]; i++ )
if ( second[i].nodeType != 8 )
first.push(second[i]);
} else
for ( var i = 0; second[i]; i++ )
first.push(second[i]);
return first;
},
unique: function(first) {
var r = [], done = {};
try {
for ( var i = 0, fl = first.length; i < fl; i++ ) {
var id = jQuery.data(first[i]);
if ( !done[id] ) {
done[id] = true;
r.push(first[i]);
}
}
} catch(e) {
r = first;
}
return r;
},
grep: function(elems, fn, inv) {
// If a string is passed in for the function, make a function
// for it (a handy shortcut)
if ( typeof fn == "string" )
fn = eval("false||function(a,i){return " + fn + "}");
var result = [];
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, el = elems.length; i < el; i++ )
if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
result.push( elems[i] );
return result;
},
map: function(elems, fn) {
// If a string is passed in for the function, make a function
// for it (a handy shortcut)
if ( typeof fn == "string" )
fn = eval("false||function(a){return " + fn + "}");
var result = [];
// Go through the array, translating each of the items to their
// new value (or values).
for ( var i = 0, el = elems.length; i < el; i++ ) {
var val = fn(elems[i],i);
if ( val !== null && val != undefined ) {
if ( val.constructor != Array ) val = [val];
result = result.concat( val );
}
}
return result;
}
});
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",
styleFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
props: {
"for": "htmlFor",
"class": "className",
"float": styleFloat,
cssFloat: styleFloat,
styleFloat: styleFloat,
innerHTML: "innerHTML",
className: "className",
value: "value",
disabled: "disabled",
checked: "checked",
readonly: "readOnly",
selected: "selected",
maxlength: "maxLength"
}
});
jQuery.each({
parent: "a.parentNode",
parents: "jQuery.dir(a,'parentNode')",
next: "jQuery.nth(a,2,'nextSibling')",
prev: "jQuery.nth(a,2,'previousSibling')",
nextAll: "jQuery.dir(a,'nextSibling')",
prevAll: "jQuery.dir(a,'previousSibling')",
siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
children: "jQuery.sibling(a.firstChild)",
contents: "jQuery.nodeName(a,'iframe')?a.contentDocument||a.contentWindow.document:jQuery.makeArray(a.childNodes)"
}, function(i,n){
jQuery.fn[ i ] = function(a) {
var ret = jQuery.map(this,n);
if ( a && typeof a == "string" )
ret = jQuery.multiFilter(a,ret);
return this.pushStack( jQuery.unique(ret) );
};
});
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after",
replaceAll: "replaceWith"
}, function(i,n){
jQuery.fn[ i ] = function(){
var a = arguments;
return this.each(function(){
for ( var j = 0, al = a.length; j < al; j++ )
jQuery(a[j])[n]( this );
});
};
});
jQuery.each( {
removeAttr: function( key ) {
jQuery.attr( this, key, "" );
this.removeAttribute( key );
},
addClass: function(c){
jQuery.className.add(this,c);
},
removeClass: function(c){
jQuery.className.remove(this,c);
},
toggleClass: function( c ){
jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
},
remove: function(a){
if ( !a || jQuery.filter( a, [this] ).r.length ) {
jQuery.removeData( this );
this.parentNode.removeChild( this );
}
},
empty: function() {
// Clean up the cache
jQuery("*", this).each(function(){ jQuery.removeData(this); });
while ( this.firstChild )
this.removeChild( this.firstChild );
}
}, function(i,n){
jQuery.fn[ i ] = function() {
return this.each( n, arguments );
};
});
jQuery.each( [ "Height", "Width" ], function(i,name){
var n = name.toLowerCase();
jQuery.fn[ n ] = function(h) {
return this[0] == window ?
jQuery.browser.safari && self["inner" + name] ||
jQuery.boxModel && Math.max(document.documentElement["client" + name], document.body["client" + name]) ||
document.body["client" + name] :
this[0] == document ?
Math.max( document.body["scroll" + name], document.body["offset" + name] ) :
h == undefined ?
( this.length ? jQuery.css( this[0], n ) : null ) :
this.css( n, h.constructor == String ? h : h + "px" );
};
});
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: {
"": "m[2]=='*'||jQuery.nodeName(a,m[2])",
"#": "a.getAttribute('id')==m[2]",
":": {
// Position Checks
lt: "i<m[3]-0",
gt: "i>m[3]-0",
nth: "m[3]-0==i",
eq: "m[3]-0==i",
first: "i==0",
last: "i==r.length-1",
even: "i%2==0",
odd: "i%2",
// Child Checks
"first-child": "a.parentNode.getElementsByTagName('*')[0]==a",
"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
"only-child": "!jQuery.nth(a.parentNode.lastChild,2,'previousSibling')",
// Parent Checks
parent: "a.firstChild",
empty: "!a.firstChild",
// Text Check
contains: "(a.textContent||a.innerText||jQuery(a).text()||'').indexOf(m[3])>=0",
// Visibility
visible: '"hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
hidden: '"hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',
// Form attributes
enabled: "!a.disabled",
disabled: "a.disabled",
checked: "a.checked",
selected: "a.selected||jQuery.attr(a,'selected')",
// Form elements
text: "'text'==a.type",
radio: "'radio'==a.type",
checkbox: "'checkbox'==a.type",
file: "'file'==a.type",
password: "'password'==a.type",
submit: "'submit'==a.type",
image: "'image'==a.type",
reset: "'reset'==a.type",
button: '"button"==a.type||jQuery.nodeName(a,"button")',
input: "/input|select|textarea|button/i.test(a.nodeName)",
// :has()
has: "jQuery.find(m[3],a).length",
// :header
header: "/h\\d/i.test(a.nodeName)",
// :animated
animated: "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-chlid, #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 ];
// Make sure that the context is a DOM Element
if ( context && !context.nodeType )
context = null;
// Set the correct context (if none is provided)
context = context || document;
// Initialize the search
var ret = [context], done = [], last;
// 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
var re = quickChild;
var m = re.exec(t);
if ( m ) {
var 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.toUpperCase()) )
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 nodeName = m[2], merge = {};
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.toUpperCase() ) {
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" )
r = jQuery.filter(m[3], r, true).r;
// 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 = [],
test = /(\d*)n\+?(\d*)/.exec(
m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
!/\D/.test(m[3]) && "n+" + m[3] || m[3]),
first = (test[1] || 1) - 0, last = test[2] - 0;
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 == 1 ) {
if ( last == 0 || node.nodeIndex == last )
add = true;
} else if ( (node.nodeIndex + last) % first == 0 )
add = true;
if ( add ^ not )
tmp.push( node );
}
r = tmp;
// Otherwise, find the expression to execute
} else {
var f = jQuery.expr[m[1]];
if ( typeof f != "string" )
f = jQuery.expr[m[1]][m[2]];
// Build a custom macro to enclose it
f = eval("false||function(a,i){return " + f + "}");
// Execute it against the current filter
r = jQuery.grep( r, f, 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 = [];
var 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 && (!elem || 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(element, type, handler, data) {
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
if ( jQuery.browser.msie && element.setInterval != undefined )
element = 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 = function() {
// Pass arguments and context to original handler
return fn.apply(this, arguments);
};
// Store data in unique handler
handler.data = data;
// Set the guid of unique handler to the same of original handler, so it can be removed
handler.guid = fn.guid;
}
// Namespaced event handlers
var parts = type.split(".");
type = parts[0];
handler.type = parts[1];
// Init the element's event structure
var events = jQuery.data(element, "events") || jQuery.data(element, "events", {});
var handle = jQuery.data(element, "handle", function(){
// returned undefined or false
var val;
// 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 val;
val = jQuery.event.handle.apply(element, arguments);
return val;
});
// Get the current list of functions bound to this event
var handlers = events[type];
// Init the event handler queue
if (!handlers) {
handlers = events[type] = {};
// And bind the global event handler to the element
if (element.addEventListener)
element.addEventListener(type, handle, false);
else
element.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
this.global[type] = true;
},
guid: 1,
global: {},
// Detach an event or set of events from an element
remove: function(element, type, handler) {
var events = jQuery.data(element, "events"), ret, index;
// Namespaced event handlers
if ( typeof type == "string" ) {
var parts = type.split(".");
type = parts[0];
}
if ( events ) {
// type is actually an event object here
if ( type && type.type ) {
handler = type.handler;
type = type.type;
}
if ( !type ) {
for ( type in events )
this.remove( element, type );
} else 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 (element.removeEventListener)
element.removeEventListener(type, jQuery.data(element, "handle"), false);
else
element.detachEvent("on" + type, jQuery.data(element, "handle"));
ret = null;
delete events[type];
}
}
// Remove the expando if it's no longer used
for ( ret in events ) break;
if ( !ret ) {
jQuery.removeData( element, "events" );
jQuery.removeData( element, "handle" );
}
}
},
trigger: function(type, data, element, donative, extra) {
// Clone the incoming data, if any
data = jQuery.makeArray(data || []);
// Handle a global trigger
if ( !element ) {
// 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 {
var val, ret, fn = jQuery.isFunction( element[ type ] || null ),
// Check to see if we need to provide a fake event, or not
evt = !data[0] || !data[0].preventDefault;
// Pass along a fake event
if ( evt )
data.unshift( this.fix({ type: type, target: element }) );
// Enforce the right trigger type
data[0].type = type;
// Trigger the event
if ( jQuery.isFunction( jQuery.data(element, "handle") ) )
val = jQuery.data(element, "handle").apply( element, data );
// Handle triggering native .onfoo handlers
if ( !fn && element["on"+type] && element["on"+type].apply( element, data ) === false )
val = false;
// Extra functions don't get the custom event object
if ( evt )
data.shift();
// Handle triggering of extra function
if ( extra && extra.apply( element, data ) === false )
val = false;
// Trigger the native events (except for clicks on links)
if ( fn && donative !== false && val !== false && !(jQuery.nodeName(element, 'a') && type == "click") ) {
this.triggered = true;
element[ type ]();
}
this.triggered = false;
}
return val;
},
handle: function(event) {
// returned undefined or false
var val;
// Empty object is for triggered events with no data
event = jQuery.event.fix( event || window.event || {} );
// Namespaced event handlers
var parts = event.type.split(".");
event.type = parts[0];
var c = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 );
args.unshift( event );
for ( var j in c ) {
// Pass in a reference to the handler function itself
// So that we can later remove it
args[0].handler = c[j];
args[0].data = c[j].data;
// Filter the functions by class
if ( !parts[1] || c[j].type == parts[1] ) {
var tmp = c[j].apply( this, args );
if ( val !== false )
val = tmp;
if ( tmp === false ) {
event.preventDefault();
event.stopPropagation();
}
}
}
// Clean up added properties in IE to prevent memory leak
if (jQuery.browser.msie)
event.target = event.preventDefault = event.stopPropagation =
event.handler = event.data = null;
return val;
},
fix: function(event) {
// store a copy of the original event object
// and clone to set read-only properties
var originalEvent = event;
event = jQuery.extend({}, originalEvent);
// 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 target property, if necessary
if ( !event.target && event.srcElement )
event.target = event.srcElement;
// check if target is a textnode (safari)
if (jQuery.browser.safari && event.target.nodeType == 3)
event.target = originalEvent.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 e = document.documentElement, b = document.body;
event.pageX = event.clientX + (e && e.scrollLeft || b.scrollLeft || 0);
event.pageY = event.clientY + (e && e.scrollTop || b.scrollTop || 0);
}
// Add which for key events
if ( !event.which && (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;
}
};
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 ) {
return this.each(function(){
jQuery.event.add( this, type, function(event) {
jQuery(this).unbind(event);
return (fn || data).apply( this, arguments);
}, 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 ) {
if ( this[0] )
return jQuery.event.trigger( type, data, this[0], false, fn );
},
toggle: function() {
// Save reference to arguments for access in closure
var a = arguments;
return this.click(function(e) {
// Figure out which function to execute
this.lastToggle = 0 == this.lastToggle ? 1 : 0;
// Make sure that clicks stop
e.preventDefault();
// and execute the function
return a[this.lastToggle].apply( this, [e] ) || false;
});
},
hover: function(f,g) {
// A private function for handling mouse 'hovering'
function handleHover(e) {
// Check if mouse(over|out) are still within the same parent element
var p = e.relatedTarget;
// Traverse up the tree
while ( p && p != this ) try { p = p.parentNode; } catch(e) { p = this; };
// If we actually just moused on to a sub-element, ignore it
if ( p == this ) return false;
// Execute the right function
return (e.type == "mouseover" ? f : g).apply(this, [e]);
}
// Bind the function to the two event listeners
return this.mouseover(handleHover).mouseout(handleHover);
},
ready: function(f) {
// Attach the listeners
bindReady();
// If the DOM is already ready
if ( jQuery.isReady )
// Execute the function immediately
f.apply( document, [jQuery] );
// Otherwise, remember the function for later
else
// Add the function to the wait list
jQuery.readyList.push( function() { return f.apply(this, [jQuery]); } );
return this;
}
});
jQuery.extend({
/*
* All the code that makes DOM Ready work nicely.
*/
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.apply( document );
});
// Reset the list of functions
jQuery.readyList = null;
}
// Remove event listener to avoid memory leak
if ( jQuery.browser.mozilla || jQuery.browser.opera )
document.removeEventListener( "DOMContentLoaded", jQuery.ready, false );
// Remove script element used by IE hack
if( !window.frames.length ) // don't remove if frames are present (#1187)
jQuery(window).load(function(){ jQuery("#__ie_init").remove(); });
}
}
});
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,o){
// Handle event binding
jQuery.fn[o] = function(f){
return f ? this.bind(o, f) : this.trigger(o);
};
});
var readyBound = false;
function bindReady(){
if ( readyBound ) return;
readyBound = true;
// If Mozilla is used
if ( jQuery.browser.mozilla || jQuery.browser.opera )
// Use the handy event callback
document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
// If IE is used, use the excellent hack by Matthias Miller
// http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited
else if ( jQuery.browser.msie ) {
// Only works if you document.write() it
document.write("<scr" + "ipt id=__ie_init defer=true " +
"src=//:><\/script>");
// Use the defer script hack
var script = document.getElementById("__ie_init");
// script does not exist if jQuery is loaded dynamically
if ( script )
script.onreadystatechange = function() {
if ( this.readyState != "complete" ) return;
jQuery.ready();
};
// Clear from memory
script = null;
// If Safari is used
} else if ( jQuery.browser.safari )
// Continually check to see if the document.readyState is valid
jQuery.safariTimer = setInterval(function(){
// loaded and complete are both valid states
if ( document.readyState == "loaded" ||
document.readyState == "complete" ) {
// If either one are found, remove the timer
clearInterval( jQuery.safariTimer );
jQuery.safariTimer = null;
// and execute any waiting functions
jQuery.ready();
}
}, 10);
// A fallback to window.onload, that will always work
jQuery.event.add( window, "load", jQuery.ready );
}
jQuery.fn.extend({
load: function( url, params, callback ) {
if ( jQuery.isFunction( url ) )
return this.bind("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,
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 );
// Add delay to account for Safari's delay in globalEval
setTimeout(function(){
self.each( callback, [res.responseText, status, res] );
}, 13);
}
});
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 = (new Date).getTime();
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: {
global: true,
type: "GET",
timeout: 0,
contentType: "application/x-www-form-urlencoded",
processData: true,
async: true,
data: null
},
// Last-Modified header cache for next request
lastModified: {},
ajax: function( s ) {
var jsonp, jsre = /=(\?|%3F)/g, status, data;
// 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));
// 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 ( s.type.toLowerCase() == "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);
s.url = s.url.replace(jsre, "=" + jsonp);
// 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 ( s.dataType == "script" && s.cache == null )
s.cache = false;
if ( s.cache === false && s.type.toLowerCase() == "get" )
s.url += (s.url.match(/\?/) ? "&" : "?") + "_=" + (new Date()).getTime();
// If data is available, append data to url for get requests
if ( s.data && s.type.toLowerCase() == "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" );
// If we're requesting a remote document
// and trying to load JSON or Script
if ( !s.url.indexOf("http") && s.dataType == "script" ) {
var head = document.getElementsByTagName("head")[0];
var script = document.createElement("script");
script.src = s.url;
// Handle Script loading
if ( !jsonp && (s.success || s.complete) ) {
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;
}
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 xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
// Open the socket
xml.open(s.type, s.url, s.async);
// Set the correct header, if data is being sent
if ( s.data )
xml.setRequestHeader("Content-Type", s.contentType);
// Set the If-Modified-Since header, if ifModified mode.
if ( s.ifModified )
xml.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
xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// Allow custom headers/mimetypes
if ( s.beforeSend )
s.beforeSend(xml);
if ( s.global )
jQuery.event.trigger("ajaxSend", [xml, 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 && xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
// clear poll interval
if (ival) {
clearInterval(ival);
ival = null;
}
status = isTimeout == "timeout" && "timeout" ||
!jQuery.httpSuccess( xml ) && "error" ||
s.ifModified && jQuery.httpNotModified( xml, 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( xml, s.dataType );
} 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 = xml.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, xml, status);
// Fire the complete handlers
complete();
// Stop memory leaks
if ( s.async )
xml = 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 ( xml ) {
// Cancel the request
xml.abort();
if( !requestDone )
onreadystatechange( "timeout" );
}
}, s.timeout);
}
// Send the data
try {
xml.send(s.data);
} catch(e) {
jQuery.handleError(s, xml, null, e);
}
// firefox 1.5 doesn't fire statechange for sync requests
if ( !s.async )
onreadystatechange();
// return XMLHttpRequest to allow aborting the request etc.
return xml;
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", [xml, s] );
}
function complete(){
// Process result
if ( s.complete )
s.complete(xml, status);
// The request was completed
if ( s.global )
jQuery.event.trigger( "ajaxComplete", [xml, s] );
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );
}
},
handleError: function( s, xml, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) s.error( xml, status, e );
// Fire the global callback
if ( s.global )
jQuery.event.trigger( "ajaxError", [xml, s, e] );
},
// Counter for holding the number of active queries
active: 0,
// Determines if an XMLHttpRequest was successful or not
httpSuccess: function( r ) {
try {
return !r.status && location.protocol == "file:" ||
( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
jQuery.browser.safari && r.status == undefined;
} catch(e){}
return false;
},
// Determines if an XMLHttpRequest returns NotModified
httpNotModified: function( xml, url ) {
try {
var xmlRes = xml.getResponseHeader("Last-Modified");
// Firefox always returns 200. check Last-Modified date
return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
jQuery.browser.safari && xml.status == undefined;
} catch(e){}
return false;
},
httpData: function( r, type ) {
var ct = r.getResponseHeader("content-type");
var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0;
var data = xml ? r.responseXML : r.responseText;
if ( xml && data.documentElement.tagName == "parsererror" )
throw "parsererror";
// 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( 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 ? this.oldblock : "";
if ( jQuery.css(this,"display") == "none" )
this.style.display = "block";
}).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");
if ( this.oldblock == "none" )
this.oldblock = "block";
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( fn, fn2 ) :
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 opt = jQuery.speed(speed, easing, callback);
return this[ opt.queue === false ? "each" : "queue" ](function(){
opt = jQuery.extend({}, opt);
var hidden = jQuery(this).is(":hidden"), self = this;
for ( var p in prop ) {
if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
return jQuery.isFunction(opt.complete) && opt.complete.apply(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) ) {
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.apply(this);
}
});
},
stop: function(){
var timers = jQuery.timers;
return this.each(function(){
for ( var i = 0; i < timers.length; i++ )
if ( timers[i].elem == this )
timers.splice(i--, 1);
}).dequeue();
}
});
var queue = function( elem, type, array ) {
if ( !elem )
return;
var q = jQuery.data( elem, type + "queue" );
if ( !q || array )
q = jQuery.data( elem, type + "queue",
array ? 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].apply( 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 :
{ slow: 600, fast: 200 }[opt.duration]) || 400;
// Queueing
opt.old = opt.complete;
opt.complete = function(){
jQuery(this).dequeue();
if ( jQuery.isFunction( opt.old ) )
opt.old.apply( 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: [],
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.apply( 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.curCSS(this.elem, this.prop, force));
return r && r > -10000 ? r : parseFloat(jQuery.css(this.elem, this.prop)) || 0;
},
// Start an animation from one number to another
custom: function(from, to, unit){
this.startTime = (new Date()).getTime();
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(){
return self.step();
}
t.elem = this.elem;
jQuery.timers.push(t);
if ( jQuery.timers.length == 1 ) {
var timer = 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( timer );
}, 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(){
var t = (new Date()).getTime();
if ( 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 a callback was provided, execute it
if ( done && jQuery.isFunction( this.options.complete ) )
// Execute the complete function
this.options.complete.apply( 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.fx.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 absolute = jQuery.css(elem, "position") == "absolute",
parent = elem.parentNode,
offsetParent = elem.offsetParent,
doc = elem.ownerDocument,
safari2 = safari && parseInt(version) < 522;
// Use getBoundingClientRect if available
if ( elem.getBoundingClientRect ) {
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 IE 7 quirks mode the border width is overwritable by the following css html { border: 0; }
// IE 7 standards mode, the border is always 2px
if ( msie ) {
var border = jQuery("html").css("borderWidth");
border = (border == "medium" || jQuery.boxModel && parseInt(version) >= 7) && 2 || border;
add( -border, -border );
}
// 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 cells
if ( mozilla && /^t[d|h]$/i.test(parent.tagName) || !safari2 )
border( offsetParent );
// Safari <= 2 doubles body offsets with an absolutely positioned element or parent
if ( safari2 && !absolute && jQuery.css(offsetParent, "position") == "absolute" )
absolute = true;
// Get next offsetParent
offsetParent = offsetParent.offsetParent;
}
// Get parent scroll offsets
while ( parent.tagName && !/^body|html$/i.test(parent.tagName) ) {
// Work around opera inline/table scrollLeft/Top bug
if ( !/^inline|table-row.*$/i.test(jQuery.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 && jQuery.css(parent, "overflow") != "visible" )
border( parent );
// Get next parent
parent = parent.parentNode;
}
// Safari doubles body offsets with an absolutely positioned element or parent
if ( safari2 && absolute )
add( -doc.body.offsetLeft, -doc.body.offsetTop );
}
// Return an object with top and left properties
results = { top: top, left: left };
}
return results;
function border(elem) {
add( jQuery.css(elem, "borderLeftWidth"), jQuery.css(elem, "borderTopWidth") );
}
function add(l, t) {
left += parseInt(l) || 0;
top += parseInt(t) || 0;
}
};
})();