public void readMessage() {
		try {
			String statement = new String("UPDATE " + DBTable + " SET "
					+ "isRead = true"
					+ " WHERE mid=?");
			PreparedStatement stmt = DBConnection.con.prepareStatement(statement);
			stmt.setInt(1, messageID);
			stmt.executeUpdate();
		} catch (SQLException e) {
			e.printStackTrace();
		}		
	}