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

if (browser)

{

Img1off = new Image(70, 26);
Img1off.src = "main/images/toolbar/home_up.gif";
Img1on = new Image(70, 26);
Img1on.src = "main/images/toolbar/home_dn.gif";

Img2off = new Image(138, 26);
Img2off.src = "main/images/toolbar/who_up.gif";
Img2on = new Image(138, 26);
Img2on.src = "main/images/toolbar/who_dn.gif";

Img3off = new Image(133, 26);
Img3off.src = "main/images/toolbar/courses_up.gif";
Img3on = new Image(133, 26);
Img3on.src = "main/images/toolbar/courses_dn.gif";

Img4off = new Image(75, 26);
Img4off.src = "main/images/toolbar/partners_up.gif";
Img4on = new Image(75, 26);
Img4on.src = "main/images/toolbar/partners_dn.gif";

Img5off = new Image(72, 26);
Img5off.src = "main/images/toolbar/contacts_up.gif";
Img5on = new Image(72, 26);
Img5on.src = "main/images/toolbar/contacts_dn.gif";

Img6off = new Image(94, 26);
Img6off.src = "main/images/toolbar/jobs_up.gif";
Img6on = new Image(94, 26);
Img6on.src = "main/images/toolbar/jobs_dn.gif";
}

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