<!--
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Microsoft Internet Explorer" && browserVer >= 3) version = "n3";
        else version = "n2";
        if (browserName == "Netscape" && browserVer >= 3) version = "n3";

        if (version == "n3") {
        about_on = new Image();
        about_on.src = "images/i_button_about_on.jpg";
		products_on = new Image();
        products_on.src = "images/i_button_products_on.jpg";
		advice_on = new Image();
        advice_on.src = "images/i_button_advice_on.jpg";
        sitemap_on = new Image();
        sitemap_on.src = "images/i_button_sitemap_on.jpg";
        topabout_on = new Image();
        topabout_on.src = "images/button_about_on.jpg";
		topproducts_on = new Image();
        topproducts_on.src = "images/button_products_on.jpg";
		topadvice_on = new Image();
        topadvice_on.src = "images/button_advice_on.jpg";
		topcontact_on = new Image();
        topcontact_on.src = "images/button_contact_on.jpg";
        topsitemap_on = new Image();
        topsitemap_on.src = "images/button_sitemap_on.jpg";
		
		                 
        about_off = new Image();
        about_off.src = "images/i_button_about_off.jpg";
		products_off = new Image();
        products_off.src = "images/i_button_products_off.jpg";
		advice_off = new Image();
        advice_off.src = "images/i_button_advice_off.jpg";
        sitemap_off = new Image();
        sitemap_off.src = "images/i_button_sitemap_off.jpg";
        topabout_off = new Image();
        topabout_off.src = "images/button_about_off.jpg";
		topproducts_off = new Image();
        topproducts_off.src = "images/button_products_off.jpg";
		topadvice_off = new Image();
        topadvice_off.src = "images/button_advice_off.jpg";
		topcontact_off = new Image();
        topcontact_off.src = "images/button_contact_off.jpg";
        topsitemap_off = new Image();
        topsitemap_off.src = "images/button_sitemap_off.jpg";

        }

function ON(imgName) {
        if (version == "n3") {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}
function OFF(imgName) {
        if (version == "n3") {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}
// -->