<:> MovingImages applet

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

  class RunnablePanel extends JPanel implements Runnable {
     Image image;
     int x = 20, y = 20;

     public void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.drawImage(image, x, y, null);
     }

     public void run() {
        Dimension d = getSize();
        while (true) try {
           x += 1;
           y += 1;
           if (x > d.width) x = 0;
           if (y > d.height) y = 0;
           repaint();
           Thread.currentThread().sleep(50);
        } catch (Exception ex) { ex.printStackTrace(); }
     }

  }

  public class MovingImages extends JApplet implements MouseListener {
     RunnablePanel runnablePanel = new RunnablePanel();

     public void init() {
        runnablePanel.setSize(getSize());
        runnablePanel.image = getImage(getDocumentBase(), "csLogo.png");
        this.addMouseListener(this);
        new Thread(runnablePanel).start();
        getContentPane().add(runnablePanel);
     }

     public void mousePressed(MouseEvent event) {
        runnablePanel.x = event.getX();
        runnablePanel.y = event.getY();
        runnablePanel.repaint();
     }

     public void mouseReleased(MouseEvent event) { }
     public void mouseClicked(MouseEvent event) { }
     public void mouseEntered(MouseEvent event) { }
     public void mouseExited(MouseEvent event) { }
  }