private void addBoardableProperty(PrivateProperty P, CMObject obj)
	{
		if(P instanceof BoardableShip)
		{
			final Item I=((BoardableShip)P).getShipItem();
			if(I!=null)
			{
				final CMObject owner = obj;
				if(owner instanceof Clan)
				{
					Clan C=(Clan)owner;
					if(!C.getExtItems().isContent(I))
						C.getExtItems().addItem(I);
				}
				else
				if(owner instanceof MOB)
				{
					final PlayerStats pStats = ((MOB)owner()).playerStats();
					if((pStats != null)
					&&(!pStats.getExtItems().isContent(I)))
						pStats.getExtItems().addItem(I);
				}
			}
		}
	}