/*

	Jump text

*/



import java.awt.*;

import java.util.*;

import java.lang.*;



/*

*/

public class Jumptext extends java.applet.Applet implements Runnable {

	Thread	blinker;

	String	message1, message2;

	Font 	font1, font2;

	int 	speed,

		lastX1, lastY1, directX1, directY1,

		lastX2, lastY2, directX2, directY2;



	public void init() {

		String att;

		Dimension d = size();



		att = getParameter("speed");

		speed = (att == null) ? 50 : Integer.valueOf(att).intValue();



		font1 = new java.awt.Font("TimesRoman", Font.ITALIC, 24);

		att = getParameter("message1");

		message1 = (att == null) ? "CATNET Internet Service" : att;

		lastX1 = (int)(Math.random() * (d.width - 1));

		lastY1 = (int)((d.height - font1.getSize() - 1) * Math.random());

		directX1 = 3;

		directY1 = 3;



		font2 = new java.awt.Font("TimesRoman", Font.PLAIN, 20);

		att = getParameter("message2");

		message2 = (att == null) ? "System Intelligent" : att;

		lastX2 = (int)(Math.random() * (d.width - 1));

		lastY2 = (int)((d.height - font2.getSize() - 1) * Math.random());

		directX2 = -3;

		directY2 = -3;

	}

    

	public void start() {

		/* Set background color */

		this.setBackground(Color.black);



		/* Start thread */

		if (blinker == null) {

			blinker = new Thread(this, "Blink");

			blinker.start();

		}

	}

	public void paint(Graphics g) {

		int	x,

			y,

			space;

		Dimension d = size();

		StringTokenizer t;

		FontMetrics fm;



		g.setColor(Color.black);

		g.setFont(font1);

		fm = g.getFontMetrics();

		space = fm.stringWidth(" ");

		x = lastX1;

		y = lastY1;

		for (t = new StringTokenizer(message1) ; t.hasMoreTokens() ; ) {

			String word = t.nextToken();

			int w = fm.stringWidth(word) + space;

			if (x > d.width) {

				x = x - d.width;

			}

			g.setColor(new java.awt.Color((int)(Math.random() * 256),

				(int)(Math.random() * 256), (int)(Math.random() * 256)));

			g.drawString(word, x, y);

			x += w;

		}



		if (Math.random() > 0.99) {

			directX1 = -directX1;

		}

		lastX1 += directX1;

		if (lastX1 >= d.width) {

			lastX1 = 0;

		} else if (lastX1 < 0) {

			lastX1 = d.width - 1;

		}

		lastY1 += directY1;

		if (lastY1 >= d.height) {

			directY1 = -3;

		} else if (lastY1 < font1.getSize()) {

			directY1 = 3;

		}



		g.setColor(Color.black);

		g.setFont(font2);

		fm = g.getFontMetrics();

		space = fm.stringWidth(" ");

		x = lastX2;

		y = lastY2;

		for (t = new StringTokenizer(message2) ; t.hasMoreTokens() ; ) {

			String word = t.nextToken();

			int w = fm.stringWidth(word) + space;

			if (x > d.width) {

				x = x - d.width;

			}

			g.setColor(new java.awt.Color((int)(Math.random() * 256),

				(int)(Math.random() * 256), (int)(Math.random() * 256)));

			g.drawString(word, x, y);

			x += w;

		}



		if (Math.random() > 0.99) {

			directX2 = -directX2;

		}

		lastX2 += directX2;

		if (lastX2 >= d.width) {

			lastX2 = 0;

		} else if (lastX2 < 0) {

			lastX2 = d.width - 1;

		}

		lastY2 += directY2;

		if (lastY2 >= d.height) {

			directY2 = -3;

		} else if (lastY2 < font1.getSize()) {

			directY2 = 3;

		}

	}



	public void stop() {

		blinker = null;

		blinker.stop();

	}



	public void run() {

		while (blinker != null) {

			repaint();

			try {

				blinker.sleep(speed);

			} catch (InterruptedException e)

			{}

		}

	}

}