function checkDigits( aNumber )
{
  if( aNumber < 10 )
    aNumber = "0" + aNumber;
  return aNumber;
}

function startDateTime()
{
  lNow = new Date();

  lYear = lNow.getFullYear();
  lMonth = lNow.getMonth();
  lDay = lNow.getDate();
  lHour = lNow.getHours();
  lMinutes = lNow.getMinutes();
  lSeconds = lNow.getSeconds();
  
  lMonth = checkDigits( lMonth + 1 );
  lDay = checkDigits( lDay );
  lMinutes = checkDigits( lMinutes );
  lSeconds = checkDigits( lSeconds );
  
  document.getElementById( 'date' ).innerHTML = lDay + "." + lMonth + "." + lYear;
  document.getElementById( 'time' ).innerHTML = lHour + ":" + lMinutes + ":" + lSeconds;
  
  setTimeout( 'startDateTime()', 1000 );
}