public boolean connect(){
		Properties props = new Properties();
		props.setProperty("user",properties.DB_USERNAME);
		props.setProperty("password",properties.DB_PASSWORD);
		try {
			con = DriverManager.getConnection(properties.DB_URL, props);
		} catch( SQLException e ){
			if( debug ) System.out.println("Error in DataBaseconnection.connect(): "+e.getMessage()
					+ "\n --Username: "+properties.DB_USERNAME +
					"\n --Url: "+properties.DB_URL);
			return false;
		}
		return true;
	}