function startTime()
{
var today=new Date();
var hours=today.getHours();
var minutes=today.getMinutes();
var seconds=today.getSeconds();
// add a zero in front of numbers<10
minutes=checkTime(minutes);
seconds=checkTime(seconds);
document.getElementById('time').innerHTML=hours+":"+minutes+":"+seconds;
t=setTimeout('startTime()',500);
}

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