//µ¼º½Çл»
function doClick(o){
	 o.className="selected";
	 var j;
	 var id;
	 var e;
	 try{
		for(var i=1;i<=11;i++){
			   id ="nav"+i;
			   j = document.getElementById(id);
			   e = document.getElementById("sub"+i);
			   if(id != o.id){
				 j.className="no";
				 e.style.display = "none";
			   }else{
					e.style.display = "block";
			   }
		}
	 }catch(e){}
	
}