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
m=checkTime(m)
s=checkTime(s)
document.getElementById('clock').innerHTML=h+":"+m+":"+s
t=setTimeout('startTime()',500)
}

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

 function addZero(vNumber){
    return ((vNumber < 10) ? "0" : "") + vNumber
  }

  function formatDate(vDate, vFormat){
    var vDay                      = addZero(vDate.getDate());
    var vMonth            = addZero(vDate.getMonth()+1);
    var vYearLong         = addZero(vDate.getFullYear());
    var vYearShort        = addZero(vDate.getFullYear().toString().substring(3,4));
    var vYear             = (vFormat.indexOf("yyyy")>-1?vYearLong:vYearShort)
    var vHour             = addZero(vDate.getHours());
    var vMinute           = addZero(vDate.getMinutes());
    var vSecond           = addZero(vDate.getSeconds());
    var vDateString       = vFormat.replace(/dd/g, vDay).replace(/MM/g, vMonth).replace(/y{1,4}/g, vYear)
    vDateString           = vDateString.replace(/hh/g, vHour).replace(/mm/g, vMinute).replace(/ss/g, vSecond)
    return vDateString
  }