Fade out sound clip without a button

[lorelei]

Hey, I have an animation with some sound attached to it from the library. I want to fade out the sound when the animation ends.. How do I do this? My code for starting the sound is:

var music:Sound = new Sound();
music.attachSound("mySound");
music.start(0, 5);

Thanks for any advise!

[neilmmm]

var music:Sound = new Sound(this);
music.attachSound("mySound");
music.start(0, 5);
_root.onEnterFrame = function() {
 var soundlevel:Number = music.getVolume();
 soundlevel -= 5;
 music.setVolume(soundlevel);
 if (soundlevel<=0) {
  delete this.onEnterFrame;
 }
};

put code in appropriate place

[lorelei]

Thanks for the code! Stops the sound but does not fade it out..what should I do to have it fade out slowly?