// Page 261-263

import java.awt.Graphics;
import java.applet.Applet;
import java.awt.Color;
public class CellDiv extends Applet implements Runnable
{
	Thread mythread=null;
	int flag =0;
	public void start()
	{
		mythread =new Thread(this);
		mythread.start();
	}
	public void run()
	{
		while(true)
		{
			for(flag=0;flag<=6;flag++)
			{
				repaint();
				try
				{
					mythread.sleep(2000) ;
				}
				catch(InterruptedException e)
				{ }
			}
		}
	}
	public void stop()
	{
		mythread.stop();
		mythread=null;
	}
	public void paint(Graphics g)
	{
		if (flag == 0)
		{
			g.setColor(Color.red) ;
			g.fillOval(50, 50,100,100);
			g.setColor(Color.blue) ;
			g.fillOval(75, 75,50,50);
		}
		else if (flag == 1)
		{
			g.setColor(Color.red) ;
			g.fillOval(50, 50,138,100);
			g.setColor(Color.blue) ;
			g.fillOval(80, 75,50,50);
			g.fillOval(107, 75,50,50);
		}
		for(int i=2; i<=6; i++)
			if(flag==i) Disp(g, flag-2);
	}
	public void Disp (Graphics g, int offset)
	{
		g.setColor(Color.red) ;
		g.fillOval(50, 50,100,100);
		g.fillOval(90+17*offset, 50,100,100);
		g.setColor(Color.blue) ;
		g.fillOval(75, 75,50,50);
		g.fillOval(117+17*offset, 75,50,50);
	}
}