// JavaScript Document
var timerID = null;
var timerRunning = false;
var timerElementId = null;

function stopclock (){
	if(timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}

function showtime() {
	var now = new Date();
	var hours = now.getHours();
	var minutes = now.getMinutes();
	var seconds = now.getSeconds()
	var timeValue = ((hours < 10) ? "0" : "") + hours
	timeValue += ((minutes < 10) ? "<br>0" : "<br>") + minutes
	timeValue += ((seconds < 10) ? "<br>0" : "<br>") + seconds
	timeValue = timeValue;
	document.getElementById(timerElementId).innerHTML = timeValue;
	timerID = setTimeout("showtime()", 1000);
	timerRunning = true;
}

function startclock(elementId) {
	timerElementId = elementId;
	stopclock();
	showtime();
}