function Uhr_anzeigen()
{
	var Datum = new Date()
	var std = Datum.getHours()
	var min = Datum.getMinutes()
	var sec = Datum.getSeconds()
	Zeit = ((std < 10) ? " 0" : " ") + std
	Zeit += ((min < 10) ? ":0" : ":") + min
	Zeit += ((sec < 10) ? ":0" : ":") + sec
	document.getElementById("uhr").firstChild.nodeValue = Zeit
	timerid = setTimeout("Uhr_anzeigen()",1000)
}