public NewMemberGui()
    {
        System.out.println("DEBUG: starting NewMemberGui...");
        try
        {
            mM = MemberManager.getInstance();
            System.out.println("DEBUG: mM-instance: " + MemberManager.getInstance());
        } 
        catch (FileNotFoundException ex)
        {
            Logger.getLogger(MemberGui.class.getName()).log(Level.SEVERE, null, ex);
        } 
        catch (IOException ex)
        {
            Logger.getLogger(MemberGui.class.getName()).log(Level.SEVERE, null, ex);
        } 
        catch (SQLServerException ex)
        {
            Logger.getLogger(MemberGui.class.getName()).log(Level.SEVERE, null, ex);
        } 
        catch (SQLException ex)
        {
            Logger.getLogger(MemberGui.class.getName()).log(Level.SEVERE, null, ex);
        }
        initComponents();
    }