var NN3 = false;
img = new Array
image0 = new Image();
image0.src = "bilder/start0.gif";
image0on = new Image();
image0on.src = "bilder/start1.gif";
image1 = new Image();
image1.src = "bilder/leistung0.gif";
image1on = new Image();
image1on.src = "bilder/leistung1.gif";
image2 = new Image();
image2.src = "bilder/karte0.gif";
image2on = new Image();
image2on.src = "bilder/karte1.gif";
image3 = new Image();
image3.src = "bilder/reise0.gif";
image3on = new Image();
image3on.src = "bilder/reise1.gif";
image4 = new Image();
image4.src = "bilder/dia0.gif";
image4on = new Image();
image4on.src = "bilder/dia1.gif";
image5 = new Image();
image5.src = "bilder/not0.gif";
image5on = new Image();
image5on.src = "bilder/not1.gif";
image6 = new Image();
image6.src = "bilder/kontakt0.gif";
image6on = new Image();
image6on.src = "bilder/kontakt1.gif";
image7 = new Image();
image7.src = "bilder/impr0.gif";
image7on = new Image();
image7on.src = "bilder/impr1.gif";

function on3(name)   {
        document[name].src = eval(name + "on.src");
}
function off3(name)  {
        document[name].src = eval(name + ".src");
}
NN3 = true;
function on(name)  {
        if (NN3) on3(name);
}
function off(name)  {
        if (NN3) off3(name);
}