function setReloadTime(secs)
{
  if (arguments.length == 1) {
    if (reloadTimer) clearTimeout(reloadTimer);
    reloadTimer = setTimeout("setReloadTime()", Math.ceil(parseFloat(secs) * 1000));
  }
  else {
    window.location.replace(window.location.href);
  }
}

var reloadTimer = null;
window.onload = function()
{
  setReloadTime(120); // Pass a default value of 2 seconds.
}