public void auction(Property property) {
		// TODO auction needs to be implemented
		List<Player> players =  game.getPlayers();
		List<Player> bidders = new ArrayList<Player>();
		Player c = game.getCurrentPlayer();

		for(Player player: players) {
			if (player == c) {
			} else {
				bidders.add(player);
			}
		}
		bidders.add(c);
		int topbid = 0;
		while(bidders.size() > 1){
			Player bidder = bidders.remove(0);

			if(!bidder.isBroke() && !bidder.isInPrison())
			{
				String choice = gui.getUserSelection(
						"Player " + bidder.getName() +
								": Do you want to bid?",
						"yes",
						"no");

				if (choice.equals("yes")) {
					int userbid = gui.getUserInteger("Player " + bidder.getName() + " Bid:", topbid, bidder.getBalance() );
					topbid = userbid;
					bidders.add(bidder);
				}
			}
		}
		if (bidders.size() == 1) {
			Player bidder = bidders.remove(0);
			try {
				paymentToBank(bidder, topbid);
				bidder.addOwnedProperty(property);
				property.setOwner(bidder);
			} catch (PlayerBrokeException e) {
				// if the payment fails due to the player being broke,
				// an auction (among the other players is started
				// then the current move is aborted by casting the
				// PlayerBrokeException again
			}
			return;
		}
		gui.showMessage("Now, there has been an auction of " + property.getName() + ".");
	}