var URLArray = window.location.href.split('/');
    switch(URLArray[4].toLowerCase())
    {
        case "contact":
            document.getElementById("Contact_a").style.backgroundImage = "url(/images/contact_on.gif)";
            break;
        case "news":
            document.getElementById("News_a").style.backgroundImage = "url(/images/news_on.gif)";
            break;
        case "products.aspx":
            //document.getElementById("Rotisseries_a").style.display = "";
            //document.getElementById("RangeSuites_a").style.display = "";
            //document.getElementById("Products_img").src = "/images/products-on2.gif";
            //document.getElementById("Products_img").style.marginBottom = "1px";
            break;
    }