var oldobjb = "";

    function sub2fett(objb)
    {
    if (oldobjb != "")
    {
    oldobjb.style.color="";
    oldobjb.style.fontWeight="";
    }
    objb.style.color="FFCC00";
    objb.style.fontWeight="";
    oldobjb = objb;
    }