//Ê×Ò³Çл»
function nTabs(thisObj,Num){
	if(thisObj.className == "n1")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 = "n1"; 
		  document.getElementById(tabObj+"_Content"+i).style.display = "block";
	  }else{
		   tabList[i].className = ""; 
		   document.getElementById(tabObj+"_Content"+i).style.display = "none";
	  }
	} 

}