//======================== Sound.java ======================
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.net.*;
public class Sound extends Applet implements ActionListener
  {
  AudioClip audio;
  Image image;
  Button play, stop, loop;
  public void init()
    {
    try
      {
      audio = getAudioClip(
              new URL(getDocumentBase(), "welcome.au"));
      image = getImage(
              new URL(getDocumentBase(), "bfas.gif"));
      }
    catch (MalformedURLException e) { }
    setLayout(new BorderLayout());
    Panel panel=new Panel();
    panel.add(play=new Button("冀