function showClock() {
			var clock=new Date();
			var hours=clock.getHours();
			var minutes=clock.getMinutes();
			var seconds=clock.getSeconds();
			if (hours<10){ hours="0" + hours; }
			if (minutes<10){ minutes="0" + minutes; }
			if (seconds<10){ seconds="0" + seconds; }
			document.getElementById('showText').innerHTML=hours+":"+minutes+":"+seconds;
			t=setTimeout('showClock()',500);
			}