private void jButton1MouseMouseClicked(MouseEvent event) {
		ChooseFrame cf = new ChooseFrame();
		cf.setDefaultCloseOperation(ChooseFrame.EXIT_ON_CLOSE);
		cf.setTitle("ChooseOpration");
		cf.getContentPane().setPreferredSize(cf.getSize());
		cf.pack();
		cf.setLocationRelativeTo(null);
		cf.setVisible(true);
		this.dispose();
		
	}