What should I use: removeChildAt?

Question

Hello!
I have the following code which brings pictures from xml into a slideshow and upon pressing btnNext the next image slides on and the one that was on stage slides off... Now when I press btnBack the previous images slides on but a next image slides on too and they collide!!!
Would you be so kind as to review my code and tell me what I should use to eliminate the casualty toll! I was thinking something like removeChildAt, but that does not quite work how I have it set up. When I publish it, it removes my stage background... and then my btnNext... and then my btnBack... and then I can't do anything...
Thanks for any help!!
Code:
import fl.transitions.Tween;
import fl.transitions.easing.*;
import com.pixelfumes.reflect.*;
import flash.display.BitmapData;
var xmlRequest:URLRequest=new URLRequest("imageData.xml");
var xmlLoader:URLLoader=new URLLoader(xmlRequest);
var imgData:XML;
var imageReflect:Reflect;
var imageLoader:Loader;
var rawImage:String;
var rawH:String;
var rawW:String;
var inTween:Tween;
var outTween:Tween;
var imgNum:Number=0;
var checkSec:Timer=new Timer(100);
var numberOfChildren:Number;
var imageLoaderHost:MovieClip;
xmlLoader.addEventListener(Event.COMPLETE, xmlLoadedF);
btnNext.addEventListener(MouseEvent.CLICK, nextImgF);
btnBack.addEventListener(MouseEvent.CLICK, prevImgF);
btnNext.buttonMode=true;
btnBack.buttonMode=true;
function xmlLoadedF(event:Event):void {
     checkSec.start();
     checkSec.addEventListener(TimerEvent.TIMER, checkerF);
     imgData=new XML(event.target.data);
function packagedF():void {
     checkSec.removeEventListener(TimerEvent.TIMER, checkerF);
     rawImage=imgData.image[imgNum].imgURL;
     numberOfChildren=imgData.*.length();
     rawW=imgData.image[imgNum].imgW;
     rawH=imgData.image[imgNum].imgH;
     imageLoaderHost=new MovieClip;
     imageLoader=new Loader;
     imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadCompleteHandler);
     imageLoader.load(new URLRequest(rawImage));
     master_mc.addChild(imageLoaderHost);
     imageLoaderHost.addChild(imageLoader);
     imageLoaderHost.y = (stage.stageHeight - Number(rawH)) /5;
     inTween = new Tween(imageLoaderHost, "x", Regular.easeInOut, 1500, (stage.stageWidth - Number(rawW)) /1.65, 1.5, true);
     imageLoader.scaleX=.8;
     imageLoader.scaleY=.8;
function loadCompleteHandler(event:Event) {
     imageLoader.contentLoaderInfo.removeEventListener(Event.COMPLETE, loadCompleteHandler);
     imageReflect=new Reflect({mc:imageLoaderHost,alpha:50,ratio:50,distance:0,updateTime:0,reflectionDropoff:1});
function checkerF(event:TimerEvent):void {
     if (imgNum==0) {
          packagedF();
     } else if (imgNum < numberOfChildren) {
          packagedF();
     } else {
          imgNum=0;
          packagedF();
function nextImgF(e:MouseEvent):void {
     checkSec.addEventListener(TimerEvent.TIMER, checkerF);
     outTween = new Tween(imageLoaderHost, "x", Regular.easeInOut, (stage.stageWidth - Number(rawW)) /1.65, -1200, 1.5, true);
     imgNum++;
function prevImgF(e:MouseEvent):void {
     checkSec.addEventListener(TimerEvent.TIMER, checkerF);
     outTween = new Tween(imageLoaderHost, "x", Regular.easeInOut, -1200, (stage.stageWidth - Number(rawW)) /1.65, 1.5, true);
     imgNum--;

Answer 1

Well, if you want people to actually watch your movies make a DVD using iDVD.