var tick;
function stop() {
	clearTimeout(tick);
}
function simpleClock() {
	var ut=new Date();
	var h,m,s;
	var time="        ";
	h=ut.getHours();
	m=ut.getMinutes();
	s=ut.getSeconds();
	if(s<=9) s="0"+s;
	if(m<=9) m="0"+m;
	if(h<=9) h="0"+h;
	time+=h+":"+m+":"+s;
	document.getElementById('clock').innerHTML=time;
	tick=setTimeout("simpleClock()",1000);    
}