function onshow(num,counter) {
		for(var id = 1;id<=counter;id++)
		{
			if(id==num)
			{
				document.getElementById("btn"+id).className="s"+id;
				document.getElementById("area"+id).style.display="block";
			}
			else
			{
				document.getElementById("btn"+id).className="";
				document.getElementById("area"+id).style.display="none";
			}
		}
}

  function subshow(num,counter) {
		for(var id = 1;id<=counter;id++)
		{
			if(id==num)
			{
				document.getElementById("submenu"+id).className="aselect";
				document.getElementById("nei_"+id).style.display="block";
			}
			else
			{
				document.getElementById("submenu"+id).className="";
				document.getElementById("nei_"+id).style.display="none";
			}
		}
}