var end = new Date('September 24, 2011 10:00:00');
function toSt2(n) {
  var s = '';
  if (n < 10) s += '0';
  return (s + n).toString();
}
function toSt3(n) {
  var s = '';
  if (n < 10) s += '00';
  else if (n < 100) s += '0';
  return (s + n).toString();
}
function countdown() {
  var d = new Date();
  var count = Math.floor(end.getTime() - d.getTime());

   	if(count > 0) {
   	 var miliseconds = toSt3(count%1000); count = Math.floor(count/1000);
   	 var seconds = toSt2(count%60); count = Math.floor(count/60);
   	 var minutes = toSt2(count%60); count = Math.floor(count/60);
   	 var hours = toSt2(count%24); count = Math.floor(count/24);
   	 var days = count;
   	 document.getElementById('c1').innerHTML = 'Noch ' + days + ' Tage ';
   	 document.getElementById('c2').innerHTML = hours + ' Stunden ' + minutes + ' Minuten ' + seconds + ' Sekunden bis zur' + '<br/>' +' 2. Schulmesse in Halle/Saale am 24. September 2011 von 10:00 bis 16:00 Uhr'
   	 setTimeout('countdown()', 100);
}
   	if(count <= 0) {
   	  	document.getElementById('c1').style.display = 'none';
 		document.getElementById('c2').style.display = 'none';
		
	}
}
countdown();