public void closeQuery(){
		try {
			currentResult.close();
		} catch (SQLException e){
			if( debug ) System.out.println("Error in DataBaseConnection.closeQuery(): "+e.getMessage());
		}
		try {
			ps.close();
		} catch (SQLException e){
			if( debug ) System.out.println("Error in DataBaseConnection.closeQuery(): "+e.getMessage());
		}
	}