help me help me help me

[nikunj anand]

hello freinds.
please help me to solve my error.

first look at the below two programs.

My problem is when i have select list "Meditation " from first program i want to display second program form on midlet.

but when i run it, it throws some exception.

that is written at the end of second program.
so help me to solve program.

i have also select my security level to untrusted.

how can i display my second program form on selecting "meditation" list from frist program.

////////////////////////////first program
package Home;

import Meditation.MeditationMidlet;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
*
* @author krupa
* @version
*/
public class HomeMidlet extends MIDlet implements CommandListener
{
private Display display;
private List list;

private Ticker ticker;
private Command cmd_exit;
private Command cmd_ok;

public HomeMidlet()
{
display=Display.getDisplay(this);


ticker = new Ticker("WELCOME TO SWAMINARAYAN COMMUNITY PORTAL ");
list= new List("Services",List.IMPLICIT);
cmd_exit = new Command("Exit",Command.EXIT,2);
cmd_ok = new Command("Ok",Command.OK,1);

list.setTicker(ticker);
list.append("Downloads",null);
list.append("Profile",null);
list.append("Daily Murtidarshan",null);
list.append("Meditation",null);
list.append("Mahamantra Counter",null);
list.append("Quiz",null);
list.addCommand(cmd_exit);
list.addCommand(cmd_ok);
list.setCommandListener(this);

}

public void startApp() {
display.setCurrent(list);

}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}
public void commandAction(Command cmd,Displayable dis)
{
if(cmd==cmd_ok)
{
String str =list.getString(list.getSelectedIndex());

if(str.equals("Meditation"))
{
//System.out.println("11111111111");
//NewThread nt=new NewThread();
show_meditation_screen();

}
}
}
public class NewThread extends Thread
{
public NewThread()
{
start();
}
public void run()
{
try
{


show_meditation_screen();
}
catch(Exception e)
{
e.printStackTrace();
}

}
}
public void show_meditation_screen()
{
MeditationMidlet Medi = new MeditationMidlet(this);
Medi.show();
}
}

//////////////////////////// Second program

package Meditation;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.media.*;
import javax.microedition.media.Player;
import java.io.*;
import java.util.*;
import Home.HomeMidlet;


/**
*
* @author krupa
* @version
*/
public class MeditationMidlet extends MIDlet implements CommandListener {
private Display disp;
private Form Meditation_frm;
private Command cmd_play;
private Command cmd_exit;
private Image image;
private ImageItem imageitem;
private Command cmd_stop;
private HomeMidlet Home;

public MeditationMidlet(HomeMidlet home)
{
try
{
this.Home = home;

disp=Display.getDisplay(home);
Meditation_frm = new Form("Meditation");
cmd_play=new Command("Play",Command.OK,1);
cmd_stop=new Command("Stop",Command.SCREEN,2);
cmd_exit= new Command("Exit",Command.EXIT,2);

image = Image.createImage("/Meditation/m2.gif");
imageitem = new ImageItem(null,image,ImageItem.LAYOUT_CENTER,"meditation");
Meditation_frm.append(imageitem);

Meditation_frm.addCommand(cmd_play);
Meditation_frm.addCommand(cmd_stop);
Meditation_frm.addCommand(cmd_exit);
Meditation_frm.setCommandListener(this);
}
catch(Exception e)
{

}



}
public void startApp()
{

}
public void show() {
disp.setCurrent(Meditation_frm);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}
public void commandAction(Command cmd,Displayable dis)
{
try
{
InputStream in = getClass().getResourceAsStream("/Meditation/6.wav");
Player player = Manager.createPlayer(in, "audio/X-wav");

if(cmd==cmd_play)
{

player.setLoopCount(5);
player.start();
}
if(cmd==cmd_stop)
{
player.stop();
}
}
catch(Exception e)
{
e.printStackTrace();
}
}

}