function loadMainNavImages() 
        {
        ImgOn1  = new Image();
        ImgOn1.src = "/images/nav_products_on.gif";
		ImgOn2 = new Image();
		ImgOn2.src = "/images/nav_online_on.gif";
		ImgOn3 = new Image();
		ImgOn3.src = "/images/nav_customer_on.gif";
		ImgOn4 = new Image();
		ImgOn4.src = "/images/nav_coinfo_on.gif";
		}