var d = new Date();

var hour = d.getHours();
var min = d.getMinutes();
var sec = d.getSeconds();
var curTime = hour+':'+min+':'+sec;

function setClock(curTime)
{
  var h, m, s;
  var clockTime = curTime.split(":");
  h = clockTime[0];
  m = clockTime[1];
  s = clockTime[2];
  if (h == 23 && m == 59 && s == 59)
  	h = 0;
  else if (h < 23 && m == 59 && s == 59) 
  	h++;

  if (m == 59 && s == 59) 
  	m = 0;
  else if (s == 59) 
  	m++;

  if (s == 59) 
  	s = 0;
  else 
  	s++;

 h = leading_zero(h);
 m = leading_zero(m);
 s = leading_zero(s);

  ceas = h + ":" + m + ":" + s;
  document.getElementById("clock").innerHTML = ceas;
  setTimeout("setClock(ceas)", 1000);
}


function leading_zero(nr)
{
  if (nr.toString().length == 1) {
  	if (nr < 10) nr = "0" + nr;
  }
  return nr;
}