Countdown mit Weiterleitung

<span id="ausgabe">&nbsp;</span>
<script type="text/javascript">
var end = new Date('April 3, 2011 15:00:00');
function nks(x){
nullen='';
if(x<100) nullen+='0'
if(x<10) nullen+='0'
return (nullen + x).toString();
}
function countdown(){
var now = new Date();
var diff = Math.floor(end.getTime() - now.getTime());
if (diff > 0){
miliseconds = nks(diff%1000);
diff = Math.floor(diff / 1000);
seconds = diff%60;
diff = Math.floor(diff / 60);
minutes = diff%60;
diff = Math.floor(diff/60);
hours = diff%24;
days = Math.floor(diff/24);
document.getElementById('ausgabe').innerHTML = 'Noch ' + days + ' Tage, ' + hours + ' Stunden, ' + minutes + ' Minuten, ' + seconds + ' Sekunden und ' + miliseconds + ' Millisekunden bis die Seite eröffnet wird.';
setTimeout('countdown()', 1);
}
else{
self.location.href = "URL der Adresse, zu der weitergeleitet werden soll";
}
}
countdown();
</script>