public void init() {
        //set Frame position
        setLocation(
        (Toolkit.getDefaultToolkit().getScreenSize().width-getSize().width) / 2,
        (Toolkit.getDefaultToolkit().getScreenSize().height-getSize().height) / 2
        );
        
        //setup label for customer or employee edit
        if ("Customer".equals(choose)) {
            L_title.setText("Add/Edit Customer");
            L_tele.setVisible(true);
            edt_ctelephone.setVisible(true);
            L_email.setText("Email");
            chb_new.setText("new Customer ?");
        } else { 
            L_title.setText("Add/Edit Employee");
            L_tele.setVisible(false);
            edt_ctelephone.setVisible(false);
            L_email.setText("Troubleshooter");
            chb_new.setText("new Employee ?");
        }
        this.setVisible(true);
       }