Hello, I am trying to make PONG in a Java Applett, I need to add a MouseListener and MouseMotionListener, but I am already implementing Runnable, how do i solve this problem. Please Help.

the code for JavaPong.java, HTML below

Code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.*;

public class JavaPong extends Applet implements Runnable{


	String color = "WHITE";
	boolean done = false;				// done
	Point ballPosition;					//position
	double ballx, bally; 				// velocity
	int rad;							//balls size
	Rectangle player, computer, walls;	//rectangles
	Thread game;						//main executing thread
	Image doublebuffer;					//offscreen buffer

	AudioClip wavPong;					//sound effect
	boolean hit = false;				//if ball hit wall or paddle

	Image bgImage;						//background image

	boolean start;

	int yourScore,oppScore;

	Point mouse;						//Mouses Current Position

	public void run(){
		//infinate game loop
		try{
			while(!done){
				testPlayer();
				tesWalls();
				updateBall();
				updatePlayer();
				playSounds();
				repaint();
				Thread.sleep(10);

			}
		}
		catch(InterruptedException e){
		}
	}

	//init(), then start()

	public void init(){
		String radIns = JOptionPane.showInputDialog(null, "Enter ball Radius: ");//get bal radius
		int radIn = Integer.parseInt(radIns);									//parse radius
		rad = radIn;															//ball radius = x;
		ballx = -4.0;
		bally = 4.0;
		ballPosition = new Point(getWidth()/2, getHeight()/2);					//set initial ball location

		//create offscreen buffer
		doublebuffer = createImage(getWidth(),getHeight());

		hit = false;

		//paddle dimensions
		int x,y,w,h;

		w = (int)(0.02 * getWidth());
		h = (int)(.35 * getHeight());
		x = w;
		y =	(int)(.50 * getHeight());

		player = new Rectangle(x, y, w, h);

		mouse = new Point(0,0);
			addMouseListener(this);
			addMouseMotionListener(this);



	}



	public void start(){
		wavPong = getAudioClip(getCodeBase(), "pong.wav");
		game = new Thread(this);			//This is a thread
		game.start();						//Thread will in turn execute run()
		bgImage = getImage(getCodeBase(), "JavaPong.png");
	}

	//start MouseListeners

	public void mouseClicked(MouseEvent e){
		if(start = false){
			startGame();
		}
	}

	public void mouseEntered(MouseEvent e){
	}

	public void mouseExited(MouseEvent e){
	}

	public void mousePressed(MouseEvent e){
	}

	public void mouseReleased(MouseEvent e){
	}

	//MouseMotionListener 2 abstract
	public void mouseDragged(MouseEvent e){

	}
	public void mouseMoved(MouseEvent e){
		mouse.setLocation(0,e.getY());
	}

	void updatePlayer(){
		player.y = mouse.y;
	}

	void startGame(){

	}



	public void paint(Graphics g){

		Graphics dbg = doublebuffer.getGraphics();

		dbg.setColor(new Color(0,100,100));
		dbg.fillRect(0,0,getWidth(),getHeight());

		dbg.drawImage(bgImage, getWidth()/2-bgImage.getWidth(this)/2,getHeight()/2 - bgImage.getHeight(this)/2 , this);

		dbg.setColor(Color.WHITE);
		dbg.fillOval(ballPosition.x-rad,ballPosition.y-rad,rad*2, rad*2);		//draw ball

		dbg.setColor(Color.BLACK);
		dbg.fillRect(player.x-player.width/2, player.y - player.height/2, player.width, player.height);
		dbg.setColor(Color.WHITE);
		dbg.fillRect(player.x-player.width/2+2, player.y - player.height/2+2, player.width-4, player.height-4);

		g.drawImage(doublebuffer, 0, 0, this);
	}

	public void update(Graphics g){
		paint(g);
	}

	public void tesWalls(){
		int top = 0, left = 0, right = getWidth()-1, bottom = getHeight() - 1;

		if((ballPosition.x + ballx - rad) <= left){
			ballx *= -1;
		}
		if((ballPosition.x + ballx + rad) >= right){
			ballx *= -1;
		}
		if((ballPosition.y + bally - rad) <= top){
			bally *= -1;
		}
		if((ballPosition.y + bally + rad) >= bottom){
			bally *= -1;
		}


	}

	void testPlayer(){
		//if ball is moving left

		if(ballx < 0){
			if((player.x+player.width/2) >= (ballPosition.x-rad)){
				if((player.y-player.height/2) < (ballPosition.y +rad) && ((player.y + player.height/2) > (ballPosition.y- rad))){
					//reverse direction add 5% more speed
					ballx *= -1.05;
					bally *= 1.05;
					hit = true;
				}
			}
		}
	}

	public void updateBall(){
		ballPosition.x += ballx;
		ballPosition.y += bally;
	}

	void playSounds(){
		if(hit){
			wavPong.play();//play audio
			hit = false;
		}
	}
}

JavaPong.html
Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
	<head>
	</head>
	<body bgcolor="black">
		<center>
			<applet
				code	= "JavaPong.class"
				width	= "640"
				height	= "480"
				>
			</applet>
		</center>
	</body>
</html>