function uhr(){
	var hour , min , sec;
	var aktuell = new Date();

	hour = aktuell.getHours ();
	min = aktuell.getMinutes ();
	min = String(min);

	if (min.length == 1){
		min = "0"+min;
	}

	sec = aktuell.getSeconds ();
	sec = String(sec);
	
	if (sec.length ==1){
		sec = "0"+sec;
	}

	document.getElementById("time").innerHTML =hour +":"+ min+":"+sec;
	window.setTimeout ('uhr ()',1000);
}