var temp;
function $(ID){return document.getElementById(ID)};
function tags(thisObj,num){
if(thisObj.className == "change")return;
var tabObj = thisObj.parentNode.id;
var tabList = $(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++){
	if (i == num){
	   thisObj.className = "change";
	   $(tabObj+"_Content"+i).className = "show";
	  }else{
	   tabList[i].className = "";
	   $(tabObj+"_Content"+i).className = "hide";
	  }	  	
	}
}