gruen1 = new Image();
    gruen1.src = "Bilder/home1.gif";
    orange1 = new Image();
    orange1.src = "Bilder/home.gif";

    gruen2 = new Image();
    gruen2.src = "Bilder/info1.gif";
    orange2 = new Image();
    orange2.src = "Bilder/info.gif";

    gruen3 = new Image();
    gruen3.src = "Bilder/chron1.gif";
    orange3 = new Image();
    orange3.src = "Bilder/chron.gif";

    gruen4 = new Image();
    gruen4.src = "Bilder/link.gif";
    orange4 = new Image();
    orange4.src = "Bilder/link1.gif";

    gruen5 = new Image();
    gruen5.src = "Bilder/fun1.gif";
    orange5 = new Image();
    orange5.src = "Bilder/fun.gif";

    gruen6 = new Image();
    gruen6.src = "Bilder/gast1.gif";
    orange6 = new Image();
    orange6.src = "Bilder/gast.gif";

    gruen7 = new Image();
    gruen7.src = "Bilder/sms1.gif";
    orange7 = new Image();
    orange7.src = "Bilder/sms.gif";

    gruen8 = new Image();
    gruen8.src = "Bilder/mail1.gif";
    orange8 = new Image();
    orange8.src = "Bilder/mail.gif";  

    function rollen(Bildnr,Bildobjekt)
    {
     window.document.images[Bildnr].src = Bildobjekt.src;
    }