var NN3 = false;
image1= new Image();
image1.src = "home0.gif";
image1on = new Image();
image1on.src = "home1.gif";
image2= new Image();
image2.src = "kunst0.gif";
image2on = new Image();
image2on.src = "kunst1.gif";
image3= new Image();
image3.src = "werke0.gif";
image3on = new Image();
image3on.src = "werke1.gif";
image4= new Image();
image4.src = "biogr0.gif";
image4on = new Image();
image4on.src = "biogr1.gif";
image5= new Image();
image5.src = "umfeld0.gif";
image5on = new Image();
image5on.src = "umfeld1.gif";
image6= new Image();
image6.src = "portraits0.gif";
image6on = new Image();
image6on.src = "portraits1.gif";
image7= new Image();
image7.src = "ausstell0.gif";
image7on = new Image();
image7on.src = "ausstell1.gif";
image8= new Image();
image8.src = "album0.gif";
image8on = new Image();
image8on.src = "album1.gif";
image9= new Image();
image9.src = "zeitdok0.gif";
image9on = new Image();
image9on.src = "zeitdok1.gif";
image10= new Image();
image10.src = "inter0.gif";
image10on = new Image();
image10on.src = "inter1.gif";
image11= new Image();
image11.src = "impr0.gif";
image11on = new Image();
image11on.src = "impr1.gif";
image12= new Image();
image12.src = "gaeste0.gif";
image12on = new Image();
image12on.src = "gaeste1.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);
}