onFrame (1) {
  now = new Date();
  target_date = new Date (2010, 05, 24, 17, 00, 00);
  diff = target_date.getTime() - now.getTime();
  //trace("target: " + target_date.getTime() + " now: " + now.getTime() + " diff: " + diff);
  dR = Math.floor((diff) / 1000 / 60 / 60 / 24);
  hR = Math.floor((diff) / 1000 / 60 / 60 - (24 * dR));
  mR = Math.floor((diff) / 1000 / 60 - (24 * 60 * dR) - (60 * hR));
  sR = Math.ceil((diff) / 1000 - (24 * 60 * 60 * dR) - (60 * 60 * hR) - (60 * mR));
  days_remaining.text = dR;
  hours_remaining.text = hR;
  minutes_remaining.text = mR;
  seconds_remaining.text = sR;
}
onFrame (2) {
  prevFrameAndPlay();
}

onFrame (2) {
  if(diff >0)prevFrameAndPlay(); // Sigue si no se ha llegado al final
  else stop(); // para en caso contrario
}