public InsertDelete insertDelete(String insertDeleteString) {
		InsertDelete insertDelete = null;
		try {
			insertDelete = new InsertDelete(insertDeleteString);
			insertDelete.send(connection);
		} catch (SQLException e) {
			System.err.println("Error when inserting or deleting " + Information.URL_DATABASE);
			insertDelete = null;
		}
		return insertDelete;
	}