function HighLightMenu(elem)
	{
		//alert(elem);
		// set the menu_div to highlight style
		document.all[elem].className="navlinkselected";
	}

	function HighLightSubMenu(carNum)
	{
		//alert(carNum);
		var elem = "";
		if (carNum)
		{
			elem = "caravan_" + carNum;
			//alert(elem);
			document.all[elem].className="subnavlinkselected";
		}
	}