void main()
{

/// opens a door with the same tag as the object calling the script, plus _dr

object oPC=GetEnteringObject();

object oObject=GetObjectByTag(GetTag(OBJECT_SELF)+"_dr");

if (GetIsObjectValid(oPC)&&GetIsPC(oPC)&&(GetLocalInt(oPC,"troll")==TRUE))

    {
    AssignCommand(oObject,SetLocked(oObject,FALSE));
    AssignCommand(oObject,ActionOpenDoor(oObject));
    }

}