function Suscripcion(theForm)
//VALIDADOR DE LA SUSCRIPCION AL BOLETIN
{
  if (theForm.email.value == "")
  {
    alert(msg25);
    theForm.email.focus();
    return (false);
  }
  if (theForm.email.value.length < 1)
  {
    alert(msg25);
    theForm.email.focus();
    return (false);
  }
  if (theForm.email.value.length > 100)
  {
    alert(msg26+" 100 "+msg27);
    theForm.email.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.@-_";
  var checkStr = theForm.email.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert(msg28);
    theForm.email.focus();
    return (false);
  }
  window.open('','ventana', 'width=350,height=250,scrollbars=no,directories=no,menubar=no,toolbar=no,status=no,top=0,left=0');
  return (true);
}