function clock(id, hours, minutes, seconds)
	{
		seconds += 1;
		if(seconds > 59) {
			seconds = 0;
			minutes += 1;
		}
		if(minutes > 59) {
			minutes = 0;
			hours += 1;
		}
		if(hours > 23) {
			hours = 0;
		}
	
		t_hours = hours;
		t_minutes = minutes;
		t_seconds = seconds;
		
		if(seconds < 10) {
			t_seconds = "0"+seconds;
		}
		if(minutes < 10) {
			t_minutes = "0"+minutes;
		}
		if(hours < 10) {
			t_hours = "0"+hours;
		}
		
		time = t_hours+":"+t_minutes+":"+t_seconds;
		timeID = document.getElementById(id);
		timeID.innerHTML = time;
		
		setTimeout("clock(\""+id+"\", "+hours+", "+minutes+", "+seconds+")", 1000);
	}