btn_sound2.visible = false; 

var stopplay:Boolean = true; 

var sndc=SoundChannel;

var bsound:Sound = new bsound1;

 

sndc = bsound.play(0.9); 

btn_sound.addEventListener(MouseEvent.MOUSE_DOWN, stopmusic);

function stopmusic(e:MouseEvent):void {

   if (stopplay){

      btn_sound2.visible = true;

      sndc.stop();   

   }

   else {

      btn_sound2.visible = false;

      sndc = bsound.play(0.9);

   }

   stopplay= !stopplay;

}