void main()
{

 object oPC = GetClickingObject();

if (!GetIsPC(oPC)) return;

if (GetItemPossessedBy(oPC, "airgem")== OBJECT_INVALID)
   return;

object oTarget;
oTarget = OBJECT_SELF;

SetLocked(oTarget, FALSE);

AssignCommand(oTarget, ActionOpenDoor(oTarget));

}