zoom1 = new Image();
zoom1.src ="bilder/anfahrt/" + document.title + "1.gif";

zoom2 = new Image();
zoom2.src ="bilder/anfahrt/" + document.title + "2.gif";

zoom3 = new Image();
zoom3.src ="bilder/anfahrt/" + document.title + "3.gif";

function si(n)
{
    document.bild.src = eval(n + ".src");
}