browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

if (browser)

{

Img1off = new Image();
Img1off.src = "up_news.gif";
Img1on = new Image();
Img1on.src = "over_news.gif";

Img2off = new Image();
Img2off.src = "up_about.gif";
Img2on = new Image();
Img2on.src = "over_about.gif";

Img3off = new Image();
Img3off.src = "up_images.gif";
Img3on = new Image();
Img3on.src = "over_images.gif";

Img4off = new Image();
Img4off.src = "up_listen.gif";
Img4on = new Image();
Img4on.src = "over_listen.gif";

Img5off = new Image();
Img5off.src = "up_links.gif";
Img5on = new Image();
Img5on.src = "over_links.gif";

Img6off = new Image();
Img6off.src = "up_live.gif";
Img6on = new Image();
Img6on.src = "over_live.gif";

Img7off = new Image();
Img7off.src = "up_contact.gif";
Img7on = new Image();
Img7on.src = "over_contact.gif";

Img8off = new Image();
Img8off.src = "up_buttons.gif";
Img8on = new Image();
Img8on.src = "over_buttons.gif";

function loadimage(imageName, imgObjName)
{
    if (browser) 
    {
        document.images[imageName].src = eval(imgObjName + ".src");
        return true;
    }
}