function stopFlash() {
  if (document.getElementById("activeFlash")) id = document.getElementById("activeFlash"); else var id = "leer";
  if (document.getElementById("TMP_Flash")) tmp = document.getElementById("TMP_Flash"); else var tmp = "leer";
  if (tmp=="leer" && id!="leer") id.innerHTML='<img src="img/intro.jpg" width="1020" height="165" id="TMP_Flash">';
}