// 分类调用显示
function doClick_up(o){
	 o.className="up_link";
	 var j;
	 var id;
	 var e;
	 for(var i=0;i<=6;i++){
	   id ="up"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("up_con"+i);
	   if(id != o.id){
	   	 j.className="sp0";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}