menu and level load issue...

/////////////////////////////////////////////////////////////////////////////////////////
var video_mode=7;
var video_screen=1;




bmap panel_pcx = <mosrn3.bmp>;
////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////


panel energy_pan // background panel
{
	bmap = panel_pcx;
	layer = 15;	
	pos_x = 1;
	pos_y = 30;
	flags = d3d, overlay, refresh, visible;
}

entity energy_sprite 
{ 
	type = <mo+10.pcx>; 
	layer = 85; 
	view = camera; 
	x = 450; 
	y = 14; 
	z = 44; 
	flags = visible, flare, bright;
} 

function init_animsprite() 
{ 
	while (1) 
	{ 
		energy_sprite.frame += 0.1 * time_step; 
		if (energy_sprite.frame > 10) 
       {
        energy_sprite.frame =0; // loop
       }
		wait (1); 
	} 
}

////////////////////////////////

var effectvol = 50;
var musicvol = 50;

SOUND wave = "horr1.wav";
var wavehandle;


bmap start_w=<menustr2.bmp>;
bmap start_o=<menustr1.bmp>;
bmap pfeil=<handcur.bmp>;
bmap exit_o=<menuquit.bmp>;
bmap exit_w=<menuquit2.bmp>;

string lvl01 ="samoffice.wmb";
string sceneext =".wmv";
string scene01 ="motel66mov.wmv";

string buttonext =".wav";
string buttonsnd ="button.wav";

function start_game();
function exit_game();









panel pn_menue

{ 
  
  button=300,400,start_w,start_o,start_w,start_game,null,null;
  button=300,480,exit_w,exit_o,exit_w,exit_game,null,null;
  //if(freeze_mode==1){button=650,430,back_white,back_blue,back_white,game_menue,null,null;}
  flags = overlay, refresh, visible;
  layer=300;
  
}



function main()
{
  init_animsprite(); 
level_load("dummylv.wmb");   

Menue();
wavehandle = snd_loop(wave,30,0);
wait(-120); 

}
	

function menue()
  
  {
  	
  	//while(levelstart==0){wait(1);}
  	mouse_mode=2;
  	mouse_map=pfeil;
  	
  	while(pn_menue.visible==on){
  	mouse_pos.x = mouse_cursor.x;
  	mouse_pos.y = mouse_cursor.y;
   wait(1);}
  }
  
function start_game()

{ 
wait(1);
media_play(buttonsnd, null, 50);
media_play(scene01, null, 100);
wait(-120);
level_load("samoffice.wmb");      // load level nuhvn.wmb 
 
wait(1);

}


function exit_game()

{ 
// your exit game stuff here
media_play("button.wav", null, 50);
exit;
}

}