Preolader ,fullscreen and sound not working

1

Please help me,

Preloader, sound and full screen not working .

Here are the as 3 codes :-

package {

import flash.display.*;
import flash.events.*;
import flash.media.*;
import flash.net.*;
import flash.text.*;
import flash.ui.*;

public class MainTimeline extends MovieClip
{
public var default_volume:Number;
public var sound_control:MovieClip;
public var percent:Number;
public var fm_bar_bg:MovieClip;
public var music_volume:SoundTransform;
public var loader_info:TextField;
public var rakesh_background:MovieClip;
public var rakesh_fullscreen:SimpleButton;
public var total_bytes:Number;
public var loaded_bytes:Number;
public var fm_bar:MovieClip;
public var bg_music:Sound;
public var music_channel:SoundChannel;

    public function MainTimeline()
    {
        addFrameScript(0, frame1, 1, frame2);
        return;
    }

    public function switch_screen_mode(event:MouseEvent)
    {
        if (stage.displayState == StageDisplayState.NORMAL)
        {
            stage.displayState = StageDisplayState.FULL_SCREEN;
        }
        else
        {
            stage.displayState = StageDisplayState.NORMAL;
        }
        return;
    }// end function

    function frame2()
    {
        stop();
        rakesh_fullscreen.visible = true;
        sound_control.visible = true;
        stage.addEventListener(Event.RESIZE, resize_listener);
        stage.dispatchEvent(new Event(Event.RESIZE));
        rakesh_fullscreen.addEventListener(MouseEvent.CLICK, switch_screen_mode);
        default_volume = 0.5;
        bg_music = new rakesh_music();
        music_channel = bg_music.play(0, 10000);
        music_volume = new SoundTransform();
        music_volume.volume = default_volume;
        music_channel.soundTransform = music_volume;
        sound_control.stop();
        sound_control.addEventListener(MouseEvent.CLICK, play_pause);
        return;
    }// end function

    public function play_pause(event:MouseEvent) : void
    {
        music_volume.volume = default_volume;
        if (event.target.currentFrame == 1)
        {
            music_volume.volume = 0;
        }
        music_channel.soundTransform = music_volume;
        event.target.play();
        return;
    }// end function

    public function goto_music(event:MouseEvent) : void
    {
        navigateToURL(new URLRequest("song"), "_blank");
        return;
    }// end function

    public function load_progress(event:Event) : void
    {
        loaded_bytes = stage.loaderInfo.bytesLoaded;
        total_bytes = stage.loaderInfo.bytesTotal;
        if (total_bytes == 0)
        {
            total_bytes = 1;
        }
        percent = Math.round(loaded_bytes / total_bytes * 100);
        fm_bar.scaleX = percent * 0.01;
        loader_info.text = "Loading... " + percent + "%";
        if (percent >= 100)
        {
            fm_bar.removeEventListener(Event.ENTER_FRAME, load_progress);
            play();
        }
        return;
    }// end function

    function frame1()
    {
        
        stop();
        stage.scaleMode = StageScaleMode.NO_SCALE;
        stage.align = StageAlign.TOP_LEFT;
        fm_bar.addEventListener(Event.ENTER_FRAME, load_progress);
        return;
   
    public function resize_listener(event:Event) : void
    {
        rakesh_background.x = stage.stageWidth * 0.5;
        rakesh_background.y = stage.stageHeight * 0.5;
       
        rakesh_fullscreen.x = stage.stageWidth - 22;
        rakesh_fullscreen.y = stage.stageHeight - 22;
        sound_control.x = stage.stageWidth - 65;
        sound_control.y = 20;
 
        return;
    }// end function

}

}