ActionScript 3.0: simple picture gallery made with Tweener

var isOpen:Boolean = false;
var isShowed:Boolean = false;
var fadeNumber:Number = 0.7;

var _pictureHolder:MovieClip = new PictureHolder();
_pictureHolder.stop();
addChild(_pictureHolder);

var _redSlider:MovieClip = new RedSlider();
_redSlider.redbar.buttonMode = true;
_redSlider.thumb1.buttonMode = true;
_redSlider.thumb2.buttonMode = true;
_redSlider.thumb3.buttonMode = true;
_redSlider.thumb4.buttonMode = true;
_redSlider.thumb5.buttonMode = true;
_redSlider.tilbageTilOversigten.buttonMode = true;
_redSlider.thumb1.addEventListener(MouseEvent.CLICK, showProperPicture);
_redSlider.thumb2.addEventListener(MouseEvent.CLICK, showProperPicture);
_redSlider.thumb3.addEventListener(MouseEvent.CLICK, showProperPicture);
_redSlider.thumb4.addEventListener(MouseEvent.CLICK, showProperPicture);
_redSlider.thumb5.addEventListener(MouseEvent.CLICK, showProperPicture);
_redSlider.redbar.addEventListener(MouseEvent.CLICK, openCloseMenu);
_redSlider.tilbageTilOversigten.addEventListener(MouseEvent.CLICK, navigateToHome);
_redSlider.thumb1.mouseChildren = false;
_redSlider.thumb2.mouseChildren = false;
_redSlider.thumb3.mouseChildren = false;
_redSlider.thumb4.mouseChildren = false;
_redSlider.thumb5.mouseChildren = false;
_redSlider.mouseChildren = true;
activateBlack();
_redSlider.thumb1.black.alpha = 0;
addChild(_redSlider);
_redSlider.x = 702;

var _morePictures:MorePictures = new MorePictures();
_morePictures.addEventListener(MouseEvent.CLICK, openCloseMenu);
_morePictures.buttonMode = true;
addChild(_morePictures);
_morePictures.x = 722;

var _photographers:MovieClip = new Photographers();
_photographers.x = -180;
_photographers.y = 352;
addChild(_photographers);

function openCloseMenu(e:Event):void {
            trace("function openCloseMenu");
            if(isOpen){
                        isOpen = false;
                        Tweener.addTween(_redSlider, {x:702, transition:"EaseOutSine", time:0.8});
                        Tweener.addTween(_morePictures, {x:722, transition:"EaseOutSine", time:0.8});
            } else {
                        isOpen = true;
                        Tweener.addTween(_redSlider, {x:637, transition:"EaseOutSine", time:0.8});
                        Tweener.addTween(_morePictures, {x:737, transition:"EaseOutSine", time:0.8});                  
            }
}

function showProperPicture(e:Event):void {
            var eClicked:String = e.target.name;
            eClicked = eClicked.slice(-1);
            _pictureHolder.gotoAndStop(Number(eClicked));
           
            activateBlack();
           
            e.target.black.alpha = 0;          
}

function navigateToHome(e:Event):void {
            if(isShowed){
                        Tweener.addTween(_photographers, {x:-180, transition:"EaseOutSine", time:0.8});
                        isShowed = false;
            } else {
                        Tweener.addTween(_photographers, {x:4, transition:"EaseOutSine", time:0.8});
                        isShowed = true;
            }
}

function activateBlack():void {
            _redSlider.thumb1.black.alpha = fadeNumber;
            _redSlider.thumb2.black.alpha = fadeNumber;
            _redSlider.thumb3.black.alpha = fadeNumber;
            _redSlider.thumb4.black.alpha = fadeNumber;
            _redSlider.thumb5.black.alpha = fadeNumber;    
}