function startTime()
{
var today = new Date()
var h = today.getHours()
var m = today.getMinutes()
var s = today.getSeconds()
// add a zero in front of numbers<10
h = checkTime(h)
m = checkTime(m)
s = checkTime(s)

var timeNow = h + ":" + m + ":" + s

document.getElementById('time').innerHTML = timeNow
t = setTimeout('startTime()',(0.5 * 1000)) // secs x millisecs
}

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