logoz = document.all('logo');
  var inc = 0;

setTimeout('zoom();', 0);

function zoom() {
  ancho = 867 - (72 * inc);
  alto = 441 - (37 * inc);
  logoz.style.width = ancho;
  logoz.style.height = alto;
  logoz.style.pixelLeft=(770-ancho)/2;
  logoz.style.pixelTop=(400-alto)/2;
  if(inc <8) {
    inc++;
    setTimeout('zoom();', 0);
  }
}