if (control.isUser(tnam.getText(), tpas.getText())){
            JOptionPane.showMessageDialog(this, "Acces di Terima", "Perhatian .....", JOptionPane.INFORMATION_MESSAGE);
            dpp = control.gDPerson(tnam.getText().toString());          
            dp1 = dpp.substring(0,3);
            dp2 = dpp.substring(4);
            if (dpp == "120"){
                JOptionPane.showMessageDialog(this, "Departemen MIS", "Perhatian .....", JOptionPane.INFORMATION_MESSAGE);
            }
            new MIS().setVisible(true);
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);          
        } else {
            JOptionPane.showMessageDialog(this, "Acces di Tolak", "Perhatian .....", JOptionPane.INFORMATION_MESSAGE);
        }