var NN3 = false;
image1= new Image();
image1.src = "images/kontakt1.jpg";
image1on = new Image();
image1on.src = "images/kontakt1_a.jpg";

image2= new Image();
image2.src = "images/impres1.jpg";
image2on = new Image();
image2on.src = "images/impres1_a.jpg";

image3= new Image();
image3.src = "images/home1.jpg";
image3on = new Image();
image3on.src = "images/home1_a.jpg";

image4= new Image();
image4.src = "images/wir1.jpg";
image4on = new Image();
image4on.src = "images/wir1_a.jpg";

image5= new Image();
image5.src = "images/service1.jpg";
image5on = new Image();
image5on.src = "images/service1_a.jpg";

image6= new Image();
image6.src = "images/angebot1.jpg";
image6on = new Image();
image6on.src = "images/angebot1_a.jpg";

image7= new Image();
image7.src = "images/finden1.jpg";
image7on = new Image();
image7on.src = "images/finden1_a.jpg";

image8= new Image();
image8.src = "images/open1.jpg";
image8on = new Image();
image8on.src = "images/open1_a.jpg";

image9= new Image();
image9.src = "images/sitemap.jpg";
image9on = new Image();
image9on.src = "images/sitemap_a.jpg";

image10= new Image();
image10.src = "images/email1.jpg";
image10on = new Image();
image10on.src = "images/email1_a.jpg";


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);
}