Playing random sound in array

Question

Hey guys,
I'm new to AS3, still learning. I just read a little about arrays in the book I was learning from, and after looking at some online stuff, thought I'd try to do something simple with one.
What I'm trying to do is save a bunch of sounds (different dog barks) in an array and then when I press the button, it plays a random sound from that array. Here's what I have so far :
package
          import flash.media.Sound;
          import flash.media.SoundChannel;
          import flash.events.MouseEvent;
          import flash.display.MovieClip;
          public class Sound2 extends MovieClip
                    var bark1:Bark1;
                    var bark2:Bark2;
                    var bark3:Bark3;
                    var bark4:Bark4;
                    var bark5:Bark5;
                    var bark6:Bark6;
                    var soundChannel:SoundChannel;
                    var barkArray:Array = [Bark1, Bark2, Bark3, Bark4, Bark5, Bark6];
                    public function Sound2()
                              barkButton.addEventListener(MouseEvent.CLICK, onBarkButtonClick);
                              bark1 = new Bark1();
                              bark2 = new Bark2();
                              bark3 = new Bark3();
                              bark4 = new Bark4();
                              bark5 = new Bark5();
                              bark6 = new Bark6();
                              soundChannel = new SoundChannel();
                              function onBarkButtonClick(event:MouseEvent):void
                                        var barkNo = Math.round(Math.random() * 5);
                                        soundChannel = (barkArray[barkNo]).play();
When I try to press the button, I get this error message :
TypeError: Error #1006: play is not a function.
          at MethodInfo-22()
I used trace and saw the numbers from barkNo were fine, I think it's just something about the array. I've also spent a few hours trying to do it different ways, but still nothing. How can I play a random sound from an array? And am I storing the information correctly? I'm not sure what I'm missing, any help would be great.
Thanks

Answer 1

First, never use nested and anonymous functions - you position yourself for a lot of trouble.
Try this (I did not test it though):
package
          import flash.media.Sound;
          import flash.media.SoundChannel;
          import flash.events.MouseEvent;
          import flash.display.MovieClip;
          public class Sound2 extends MovieClip
                    var sound:Sound;
                    var soundChannel:SoundChannel = new SoundChannel();
                    var barkArray:Array = [Bark1, Bark2, Bark3, Bark4, Bark5, Bark6];
                    public function Sound2()
                              barkButton.addEventListener(MouseEvent.CLICK, onBarkButtonClick);
                    private function onBarkButtonClick(event:MouseEvent):void
                              soundChannel.stop();
                              sound = new barkArray[int(barkArray.length * Math.random())]();
                              soundChannel = sound.play();