void main()
{
if (GetLocalInt(OBJECT_SELF,"nDoors")!=2)

{
object oDoor=GetObjectByTag("jw_go_grd_door");
ApplyEffectToObject(DURATION_TYPE_INSTANT,EffectDamage(100,DAMAGE_TYPE_MAGICAL,DAMAGE_POWER_PLUS_FIVE),oDoor);
SetLocalInt(OBJECT_SELF,"nDoors",2);
}
}