var windowData = { 
}
; 
jQuery.extend({ 
cache: { 
}
,
uuid: 0,
expando: "jQuery" + jQuery.now(),
noData: { 
"embed": true ,
"object": true ,
"applet": true }
,
data: function (elem, name, data){ 
if (elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) { 
return ; 
} 
elem = elem == window? windowData: elem; 
var isNode = elem.nodeType, id = isNode? elem[jQuery.expando]: null , cache = jQuery.cache, thisCache; 
if (isNode && !id && typeof name === "string" && data === undefined) { 
return ; 
} 
if (isNode && !id) { 
elem[jQuery.expando] = id = ++jQuery.uuid; 
} 
if (typeof name === "object") { 
if (isNode) { 
cache[id] = jQuery.extend(true , { 
}
, name); 
} 
 else { 
jQuery.extend(true , elem, name); 
} 
} 
 else if (isNode && !cache[id]) { 
if (isNode) { 
cache[id] = { 
}
; 
} 
 else { 
var store = { 
}
; 
cache[id] = function (){ 
return store; 
} 
; 
} 
} 
thisCache = isNode? cache[id]: elem; 
if (data !== undefined) { 
thisCache[name] = data; 
} 
return typeof name === "string"? thisCache[name]: thisCache; 
} 
,
removeData: function (elem, name){ 
if (elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) { 
return ; 
} 
elem = elem == window? windowData: elem; 
var isNode = elem.nodeType, id = isNode? elem[jQuery.expando]: elem, cache = jQuery.cache, thisCache = isNode? cache[id]: id; 
if (name) { 
if (thisCache) { 
delete thisCache[name]; 
} 
} 
 else { 
if (isNode && jQuery.support.deleteExpando) { 
delete elem[jQuery.expando]; 
} 
 else if (elem.removeAttribute) { 
elem.removeAttribute(jQuery.expando); 
} 
if (isNode) { 
delete cache[id]; 
} 
 else { 
for (var n in elem){ 
delete elem[n]; 
} 
} 
} 
} 
}
); 
jQuery.fn.extend({ 
data: function (key, value){ 
if (typeof key === "undefined" && _AN_Read_length("length", this)) { 
return jQuery.data(this[0]); 
} 
 else if (typeof key === "object") { 
return this.each(function (){ 
jQuery.data(this, key); 
} 
); 
} 
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 && _AN_Read_length("length", this)) { 
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); 
jQuery.event.trigger("changeData" + parts[1] + "!", [parts[0], value] , this); 
} 
); 
} 
} 
,
removeData: function (key){ 
return this.each(function (){ 
jQuery.removeData(this, key); 
} 
); 
} 
}
);