function uhr(){
    var hour , min , sec;
    var aktuell = new Date();
    document.getElementById("zeit").innerHTML =aktuell.toLocaleDateString()+" <br /><b><span style='font-size:26px;position:relative;top:25px;color:#10456d;'> "+aktuell.toLocaleTimeString()+"</span></b>";
    window.setTimeout ('uhr ()',1000);
}