//function SwitchCDt(ClassID,number,lirliver)
//{
//var sublir=lirliver + ClassID + "cd";
//var sublir2=lirliver + ClassID + "sub";
//for(i=0;i<number;i++)
//{
//var lir=lirliver + i + "sub";
//var lir2=lirliver + i + "cd";
//document.getElementById(lir).style.display="none";
//document.getElementById(lir2).className="mmenu";
//}
//document.getElementById(sublir).className="highlight";
//document.getElementById(sublir2).style.display="block";
//}
//function SwitchCD(ClassID,number,lirliver)
//{
//}
//function clearTimeouttb()
//{
//}









//<![CDATA[
var cur_index=1
var num=3 //该值记录标签的个数
var settime
function GetObj(objName){
	if(document.getElementById){
		return eval('document.getElementById("' + objName + '")');
	}else if(document.layers){
		return eval("document.layers['" + objName +"']");
	}else{
		return eval('document.all.' + objName);
	}
}
function change_Menu(index){
	for(var i=1;i<=num;i++){/* 最多支持8个标签 */
		if(GetObj("con"+i)&&GetObj("m"+i)){
			GetObj("con"+i).style.display = 'none';
			GetObj("m"+i).className = "menu"+i+"Off";
		}
	}
	if(GetObj("con"+index)&&GetObj("m"+index)){
		GetObj("con"+index).style.display = 'block';
		GetObj("m"+index).className = "menu"+index+"On";
	}
	cur_index=index
	if(cur_index<num){
	   cur_index++
	  }
	else{
	    cur_index=1
	  }
	settime=setTimeout("change_Menu(cur_index)",5000)//设置延迟时间
		
}
function Menu(c_index){
  clearTimeout(settime)
  change_Menu(c_index)
 }