applet not initalized

I HAVE TRIED MY HEART OUT BUT THIS APPLET IS NOT GETTING INITIALIZED .....

THE FOLLOWING IS THE PROGRAM I HAVE WRITTEN:

import java.awt.*;
import java.applet.*;
import java.awt.event.*;



/*<applet code=card width=500 height=500> </applet>*/
public class card extends Applet implements ActionListener,ItemListener
{
CardLayout cc=new CardLayout();

Panel p1=new Panel();
Panel p2=new Panel();
Panel p3=new Panel();
Label l1=new Label("which movie won the best kiss awards in 2009?");

Label l2=new Label("what is the latest feature of windows 7?");

Label l3=new Label("which one is the o.s of apple?");
CheckboxGroup cg=new CheckboxGroup();
Checkbox c1=new Checkbox("twilight",cg,false);
Checkbox c2=new Checkbox("s. millionaire",cg,false);
Checkbox c3=new Checkbox("Wanted",cg,false);
Checkbox c4=new Checkbox("colour",cg,false);
Checkbox c5=new Checkbox("touchscreen",cg,false);
Checkbox c6=new Checkbox("gpedit.exe",cg,false);
Checkbox c7=new Checkbox("mac os y",cg,false);
Checkbox c8=new Checkbox("mac os 7",cg,false);
Checkbox c9=new Checkbox("mac os x",cg,false);

TextField t1=new TextField(20);
TextField t2=new TextField(20);
TextField t3=new TextField(20);
Button b1=new Button("pg1");
Button b2=new Button("pg2");
Button b3=new Button("pg3");


public void init()
{
setLayout(cc);


p1.add(l1);p1.add(c1);p1.add(c2);p1.add(c3);p1.add(t1);p1.add(b1);

add(p1);

p2.add(l2);p2.add(c4);p2.add(c5);p2.add(c6);p2.add(t2);p2.add(b2);

add(p2);

p3.add(l3);p3.add(c7);p3.add(c8);p3.add(c9);p3.add(t3);p3.add(b3);

add(p3);

add("cc 1",p1);add("cc 2",p2);

add("cc 3",p3);

c1.addItemListener(this);c2.addItemListener(this);c3.addItemListener(this);c4.addItemListener(this);c5.addItemListener(this);c6.addItemListener(this);c7.addItemListener(this);c8.addItemListener(this);
c9.addItemListener(this);b1.addActionListener(this);b2.addActionListener(this);b3.addActionListener(this);
}

public void itemStateChanged(ItemEvent e)
{
if(e.getItem()==c1||e.getItem()==c5||e.getItem()==c9)
{
t1.setText("right");
t2.setText("right");
t3.setText("right");
}
if(e.getItem()==c2||e.getItem()==c3||e.getItem()==c4||e.getItem()==c6||e.getItem()==c7||e.getItem()==c8)
{
t1.setText("wrong");
t2.setText("wrong");
t3.setText("wrong");
}


}
public void actionPerformed(ActionEvent r)
{
if(r.getSource()==b1)
{
cc.show(this,"cc 1");
}
if(r.getSource()==b2)
{
cc.show(this,"cc 2");
}
if(r.getSource()==b3)
{
cc.show(this,"cc 3");
}
}
}

PLEASE HELP ME OUT