function startclock()
{
	var thetime=new Date();
	var nhours=thetime.getHours();
	var nmins=thetime.getMinutes();
	var nsecn=thetime.getSeconds();
	if (nsecn<10)
		nsecn="0"+nsecn;
	if (nmins<10)
		nmins="0"+nmins;
	var clock_span = document.getElementById("my_clock");
	clock_span.innerHTML = nhours+":"+nmins+":"+nsecn;
	setTimeout('startclock()',1000);
} 
if (document.getElementById && document.createTextNode) {
  startclock();
}