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

public class CrashLauncher extends Applet {

ChoicePanel[] panel;
static final int number = 2; 

public void init() 
{
	panel = new ChoicePanel[number];
	for (int i=0; i<number; i++)
	{
		panel[i] = new ChoicePanel(i);
	}
	add(panel[0]);
}

public boolean action(Event evt, Object obj)
{
	for (int i=0; i<number; i++)
	{
		if (evt.target == panel[i].button)
		{
			remove(panel[i]);
			if (i<(number - 1)) 
			{
				add(panel[i+1]);
				panel[i+1].invalidate();
			}
			else 
			{
				add(panel[0]);
				panel[0].invalidate();
			}
			validate();
			return true;
		}
	}
	return super.action(evt, obj);
}
}  // END OF Class CrashLauncher


class ChoicePanel extends Panel  {

Button button;
int choicesUsed = 10;

ChoicePanel(int panelNumber)
{
	Font font = new Font ("Serif",	Font.BOLD, 19); 
	Panel gridPanel = new Panel();
	gridPanel.setLayout(new GridLayout(choicesUsed, 1, 5, 5));
	Choice choice[] = new Choice[choicesUsed];
	for (int i=0; i<choicesUsed; i++)
	{
		choice[i] = new Choice();
		choice[i].setFont(font);
		choice[i].setForeground(Color.blue);
		choice[i].setBackground(Color.white);
		for (int j=0; j< 10; j++)
		{
			choice[i].addItem("Panel " + String.valueOf(panelNumber) + 
			" Choice " + String.valueOf(i) + " Item " + String.valueOf(j + 1) + "  ");
		}
		gridPanel.add(choice[i]);
	}
	add(gridPanel);
	button = new Button("Press to leave Panel " + String.valueOf(panelNumber));
	add(button);	
}
}  // END OF Class ChoicePanel