Controler un son à partir d'un autre level

monbouton.onRelease=function(){
_level3.controlbar_mc.pause_btn();}

controlbar_mc.pause_btn.onPress = function(){if (id) {clearInterval(id);}
var volume = mySound_sound.getVolume();
id = setInterval(fadeOut, 20);
function fadeOut():Void {mySound_sound.setVolume(volume--);
if (volume<=0) {clearInterval(id);mySound_sound.stop();
lastPosition = Math.round(mySound.position/1000);
}}

monbouton.onRelease=function(){
this._parent._level3.controlbar_mc.pause_btn();
}

var externalFile:String = "ziq.swf";

loadMovieNum(externalFile, 3);

monbouton.onRelease=function(){
   if (id) {
        clearInterval(id);
    }
    var volume = mySound_sound.getVolume();
    id = setInterval(fadeOut, 20);
    function fadeOut():Void {
        mySound_sound.setVolume(volume--);
        if (volume<=0) {
            clearInterval(id);
            mySound_sound.stop();
           lastPosition = Math.round(mySound.position/1000);
		}
	}
}