ช่วยดูโค้ดการใส่รูปใน Java Applet ทีครับ JButton กับ Image ใส่รูปบนปุ่มกด

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Lab11_4 extends JApplet 
{	
	Container c ;
	JButton plainBtn, fancyBtn ;
	JTextArea textArea ;
	ImageIcon plane1,plane2;

	
public void init () 
	{
		c = getContentPane();
		c.setLayout( new FlowLayout() );


		plainBtn = new JButton("Plain Button");
		c.add( plainBtn );

		//plane1 = new ImageIcon("m1.gif");
		//plane2 = new ImageIcon("m2.gif");

		fancyBtn = new JButton("Fancy Button");

		//fancyBtn = new JButton("Fancy Button",plane1);
		//fancyBtn.setRolloverIcon(plane2);
		c.add( fancyBtn );


		ButtonHandler handler = new ButtonHandler();
		fancyBtn.addActionListener( handler );
		plainBtn.addActionListener( handler );
		setSize(280, 200);

		textArea = new JTextArea(5,40);
		textArea.setEditable(false);
		c.add(textArea);
	}
	
private class ButtonHandler implements ActionListener 
	{
		public void actionPerformed(ActionEvent event) 
			{
				JOptionPane.showMessageDialog( Lab11_4.this ,"You pressed : " + event.getActionCommand() );
				
			}
	}
}