Vise nyt panel

Man må vel hellere lige smidde lidt point i puljen :)

Kan nogen få det her eksempel til at virke, uden man skal trække i vinduet?? Så den altså viser panel3, bare ved at man trykker på knappen?

package untitled18;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;

public class Applet1 extends Applet
{
  XYLayout xYLayout1 = new XYLayout();
  JPanel jPanel1 = new JPanel();
  JPanel jPanel2 = new JPanel();
  JButton jButton1 = new JButton();
  JToggleButton jToggleButton1 = new JToggleButton();
  JToggleButton jToggleButton2 = new JToggleButton();
  JLabel jLabel1 = new JLabel();
  JTextArea jTextArea1 = new JTextArea();
  //Construct the applet
  public Applet1()
  {
  }
  //Initialize the applet
  public void init()
  {
    try
    {
      jbInit();
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception
  {
    this.setLayout(xYLayout1);
    jPanel1.setBackground(Color.black);
    jPanel2.setBackground(UIManager.getColor("ProgressBar.foreground"));
    jButton1.setText("jButton1");
    jButton1.addMouseListener(new Applet1_jButton1_mouseAdapter(this));
    jToggleButton1.setText("jToggleButton1");
    jToggleButton2.setText("jToggleButton2");
    jLabel1.setText("jLabel1");
    jTextArea1.setText("jTextArea1");
    jPanel1.add(jButton1, null);
    this.add(jPanel1, new XYConstraints(22, 95, 270, 189));
    jPanel2.add(jToggleButton1, null);
    jPanel2.add(jToggleButton2, null);
    jPanel2.add(jLabel1, null);
    jPanel2.add(jTextArea1, null);
  }
  //Get Applet information
  public String getAppletInfo()
  {
    return "Applet Information";
  }
  //Get parameter info
  public String[][] getParameterInfo()
  {
    return null;
  }

  void jButton1_mouseClicked(MouseEvent e)
  {
    this.add(jPanel2, new XYConstraints(119, 11, 262, 132));

    paintComponents(getGraphics());

  }
}

class Applet1_jButton1_mouseAdapter extends java.awt.event.MouseAdapter
{
  Applet1 adaptee;

  Applet1_jButton1_mouseAdapter(Applet1 adaptee)
  {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e)
  {
    adaptee.jButton1_mouseClicked(e);
  }
}