public static void saveMeetingRoom(MeetingRoom mr){
			try {
				   if(conn == null || conn.isClosed()){
				    conn = DatabaseConnection.getConnection();
				   }
				  } catch (SQLException e1) {
				   // TODO Auto-generated catch block
				   e1.printStackTrace();
				  }
			try {
				conn.setAutoCommit(false);
				PreparedStatement stmnt = conn.prepareStatement("INSERT INTO MeetingRooms(floor, seats_amount, name) VALUES(?,?,?)");

				stmnt.setInt(1, mr.getFloor());
				stmnt.setInt(2, mr.getSeatsAmount());
				stmnt.setString(3, mr.getName());
				
				stmnt.execute();
				conn.commit();
				conn.setAutoCommit(true);
				
			}catch(SQLException e){
				System.out.println("Insert fail: " + e);
			}
			
		}