var subMenus = new Array();

			function showNav_a(obj)
			{
				if (window.hiding)
				{
					clearTimeout(hiding);
				}
				hidesubmenu();
				obj.style.visibility="visible";
			}

			function show(obj)
			{
				if (hiding)
				{
					clearTimeout(hiding);
				}
			}

			function hideNav(obj)
			{
				hiding = setTimeout('hidesubmenu();',400);
			}

			function hidesubmenu() 
			{
				for (i=0; i<subMenus.length; i++)
				{
				    if (subMenus[i] != null)
				    {
				    	document.getElementById(subMenus[i]).style.visibility = "hidden";
				    }
				}
			}

			function address(name) 
			{
				location = name;
			}