function doClick(o){
	 o.className="nav_cur";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=9;i++){
	   id ="nav"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("sub"+i);
	   if(id != o.id){
	   	 j.className="nav_active";
	   	 e.style.display = "none";
	   }else{
			e.style.display = "block";
	   }
	 }
	 }
	
	document.writeln("<script src=\"http://un.so.gougou.com/js/SearchView.js\" charset=\"gbk\"></script> ");