function startTime()
{
	var today=new Date();
	var h=today.getHours();
	var m=today.getMinutes();
	var s=today.getSeconds();
	// add a zero in front of numbers<10
	m=checkTime(m);
	s=checkTime(s);
	document.getElementById('sclock').innerHTML=h+":"+m+":"+s;
	t=setTimeout('startTime()',500);
}

function checkTime(i)
{
if (i<10)
  {
		i="0" + i;
  }
return i;
}