void main()
{
 object oDoor;
 int iRand = Random(3),iDone;
 iDone = GetLocalInt(GetModule(),"element_lords");
 if (!iDone)
 {
  ActionSpeakString("One of the Doors opens ...");
  switch (iRand)
  {
   case 0: oDoor = GetObjectByTag("VaultToFire");
           break;
   case 1: oDoor = GetObjectByTag("VaultToCold");
           break;
   case 2: oDoor = GetObjectByTag("VaultToElec");
           break;
  }
  ActionPlayAnimation(ANIMATION_PLACEABLE_ACTIVATE);
  ActionUnlockObject(oDoor);
  ActionOpenDoor(oDoor);
  SetLocalInt(GetModule(),"element_lords",TRUE);
 }
 else
 {
  ActionSpeakString("Nothing else happens ...");
 }
}