<!-- 选项卡 -->
function nTabs(thisObj,Num){
	if(thisObj.className == "active")return;
	var tabObj = thisObj.parentNode.id;
	var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	for(i=0; i <tabList.length; i++)
	{
	if (i == Num)
	{
	thisObj.className = "active";
	document.getElementById(tabObj+"_Content"+i).style.display = "block";
	}else{
	tabList[i].className = "normal";
	document.getElementById(tabObj+"_Content"+i).style.display = "none";
	}
	}
}