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";
		}
	}
}