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('txt').innerHTML=h+":"+m+":"+s;
			t=setTimeout('startTime()',500);
		}

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