public boolean query(String query){
		// TODO: all calls here should call a closeQuery() which closes ps and currentResult
		try {
			ps = con.prepareStatement(query);
			currentResult = ps.executeQuery();
			return true;
		} catch( SQLException e ){
			if( debug ) System.out.println("Error in DataBaseConnection.query(): "+e.getMessage());
		}
		return false;
	}