var Tab=function(Set){
var that=this,
ControlPanelContainerChlid,
ContentPanelContainerChlid;
//私有函数，过滤无关的子节点
var Filter=function(obj){
var Temp=[];
var Chlids=obj.childNodes;
for(chlid in Chlids){
if(Chlids[chlid].nodeType==1){
Temp.push(Chlids[chlid]);
}
}
return Temp;
}
var AttachIndex=function(){
for(var i=0,len=ControlPanelContainerChlid.length;i<len;i++)
{
ControlPanelContainerChlid[i].setAttribute("Index",i);
}
}
var Tab=function(Index){
if(Index===that.Current) return;
ControlPanelContainerChlid[that.Current].setAttribute("class","");
ContentPanelContainerChlid[that.Current].style.display="none";
that.Current=Index;
ControlPanelContainerChlid[that.Current].setAttribute("class","selecter");
ContentPanelContainerChlid[that.Current].style.display="block";
}
this.Current=0;//当前tab项的索引
this.Count;//tab项的总数量
this.ControlPanelContainer;//tab控制键的父元素
this.ContentPanelContainer;//tab内容展示项的父元素
this.Tab=Tab;
//构造函数
var Main=function(){
that.ControlPanelContainer=document.getElementById(Set.ControlPanelID);
ControlPanelContainerChlid=Filter(that.ControlPanelContainer);
that.ContentPanelContainer=document.getElementById(Set.ContentPanelID);
ContentPanelContainerChlid=Filter(that.ContentPanelContainer);
that.Count=ControlPanelContainerChlid.length;
AttachIndex();
that.ControlPanelContainer.onclick=function(e){
var e=e||window.event;
var Target=e.target||e.srcElement;
var TempIndex;
if(Target.tagName==="A"){
TempIndex=Target.getAttribute("Index");
Tab(parseInt(TempIndex));
}
}
}
Main();
}