function showmenu(x)
	{
		if(document.all["div_"+x].style.visibility=="hidden")
		{
			document.all["div_"+x].style.visibility="visible";
			document.all["div_"+x].style.height="";
		}
		else
		{
			document.all["div_"+x].style.visibility="hidden";
			document.all["div_"+x].style.height="0";
		}
	}