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

if (browser)

{

Img1off = new Image(92, 25);
Img1off.src = "images/structure/tb_mis1b.gif";
Img1on = new Image(92, 25);
Img1on.src = "images/structure/tb_mis2b.gif";

Img2off = new Image(173, 25);
Img2off.src = "images/structure/tb_can1.gif";
Img2on = new Image(173, 25);
Img2on.src = "images/structure/tb_can2.gif";

Img3off = new Image(91, 25);
Img3off.src = "images/structure/tb_abo1.gif";
Img3on = new Image(91, 25);
Img3on.src = "images/structure/tb_abo2.gif";

Img4off = new Image(103, 25);
Img4off.src = "images/structure/tb_con1.gif";
Img4on = new Image(103, 25);
Img4on.src = "images/structure/tb_con2.gif";

Img5off = new Image(68, 25);
Img5off.src = "images/structure/tb_lin1.gif";
Img5on = new Image(68, 25);
Img5on.src = "images/structure/tb_lin2.gif";

Img6off = new Image(80, 25);
Img6off.src = "images/structure/ft_pri1.gif";
Img6on = new Image(80, 25);
Img6on.src = "images/structure/ft_pri2.gif";

Img7off = new Image(60, 25);
Img7off.src = "images/structure/ft_dis1.gif";
Img7on = new Image(60, 25);
Img7on.src = "images/structure/ft_dis2.gif";

Img8off = new Image(109, 25);
Img8off.src = "images/structure/ft_ill1.gif";
Img8on = new Image(109, 25);
Img8on.src = "images/structure/ft_ill2.gif";

Img9off = new Image(182, 25);
Img9off.src = "images/structure/ft_mem1.gif";
Img9on = new Image(182, 25);
Img9on.src = "images/structure/ft_mem2.gif";


}

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