Need help controlling image loop (Enter Frame) - Oi.

I have a series of images coming coming in from XML (it's actually a front & back card flip effect).

I use a for loop and add an ENTER_FRAME listener to each front/back (or image). I then change the X loc of each target...

Code:

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                public function formatXMLContent():void {
                       
                        for (var i:uint = 0; i < tourID.length(); i++) {
                                card = new FlipImage(frontView[i], backView[i]);
                                card.name = "card"+i;
                                card.x = -i * 260;       
                                card.y = 0;
                                card.fLen = 300;
                                card.turnSpeed = 36;
                                card.addEventListener(Event.ENTER_FRAME, moveRight);
                                this.addChild(card);
                                cardArr.push(card);
                                setChildIndex(card, 1);       
                        }       
               
                        cardAddReset = cardArr.length * 198.75;
                        // trace(cardAddReset);
                        // trace(cardAddReset);
                }
               
                public function moveRight(e:Event):void {
                        e.target.x += 10;
                        if (e.target.x > 850) e.target.x = -cardAddReset;
                }

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This loops perfectly from stage left to stage right endlessly. That's great. However, I need two buttons, forward & back to control the loop. Not ENTER_FRAME.

Code:

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mcArrowRight.addEventListener(MouseEvent.MOUSE_DOWN, scrollRight);
mcArrowLeft.addEventListener(MouseEvent.MOUSE_DOWN, scrollLeft);

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In the loop above I add each card to a cardArr Array. Thinking I could manipulate the whole array but it completely fudges my loop. The first sequence rolls through nice but those after that look bent.

Code:

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public function scrollRight(e:Event):void {
    for (var i:uint = 0; i < cardArr.length; i++) {
          cardArr[i].x += 10;
          if (cardArr[i].x > 850) cardArr[i].x = -cardAddReset;
    }
                }

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I guess this wouldn't have the same affect as the first combo -- that is this must not control the individual items in the array the same as using e.target from the ENTER_FRAME addEventListener itself.