var NN3 = false;
image1= new Image();
image1.src = "logos/bobasaktionen1.gif";
image1on = new Image();
image1on.src = "logos/bobasaktionen2.gif";
image1alt = new Image();
image1alt.src = "logos/transparent.gif";
image1alton = new Image();
image1alton.src = "logos/bobasaktionen4.gif";

image2= new Image();
image2.src = "logos/bobasrueckblick1.gif";
image2on = new Image();
image2on.src = "logos/bobasrueckblick2.gif";
image2alt = new Image();
image2alt.src = "logos/transparent.gif";
image2alton = new Image();
image2alton.src = "logos/bobasrueckblick4.gif";

image3= new Image();
image3.src = "logos/bobasmessage1.gif";
image3on = new Image();
image3on.src = "logos/bobasmessage2.gif";
image3alt = new Image();
image3alt.src = "logos/transparent.gif";
image3alton = new Image();
image3alton.src = "logos/bobasmessage4.gif";

image4= new Image();
image4.src = "logos/bobasbonn1.gif";
image4on = new Image();
image4on.src = "logos/bobasbonn2.gif";
image4alt = new Image();
image4alt.src = "logos/transparent.gif";
image4alton = new Image();
image4alton.src = "logos/bobasbonn4.gif";

image5= new Image();
image5.src = "logos/bobaskontakt1.gif";
image5on = new Image();
image5on.src = "logos/bobaskontakt2.gif";
image5alt = new Image();
image5alt.src = "logos/transparent_ende.gif";
image5alton = new Image();
image5alton.src = "logos/bobaskontakt4.gif";

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

function on(name)  {
        if (NN3) on3(name);
}
function off(name)  {
        if (NN3) off3(name);
}