public static ArrayList<String> getDoors(int roomId) {
		ArrayList<String> doors	= new ArrayList<String>();
		
		if(getNextRoomId("north", roomId) != 0) {
			doors.add("North");
		} if(getNextRoomId("east", roomId) != 0) {
			doors.add("East");
		} if(getNextRoomId("south", roomId) != 0) {
			doors.add("South");
		} if(getNextRoomId("west", roomId) != 0) {
			doors.add("West");
		}
		
		return doors;
	}