docs: function (id) {
  		    if (!Crafty.support.audio)
  		        return;
  
  		    var s;
  
  		    if (!id) {
  		        for (var i in this.sounds) {
  		            s = this.sounds[i];
  		            Crafty.audio.stop(id);
  		            delete Crafty.assets[s.obj.src];
  		            delete Crafty.audio.sounds[id];
  		        }
  		        return;
  		    }
  		    if (!this.sounds[id])
  		        return;
  
  		    s = this.sounds[id];
  		    Crafty.audio.stop(id);
  		    delete Crafty.assets[s.obj.src];
  		    delete Crafty.audio.sounds[id];
  		}