private var flipStep:uint;
    private var isFlipping:Boolean = false;
    private var flipToFrame:uint;

    // begin the flip, remember which frame to jump to
    public function startFlip(flipToWhichFrame:uint) {
        isFlipping = true;
        flipStep = 10;
        flipToFrame = flipToWhichFrame;
        this.addEventListener(Event.ENTER_FRAME, flip);
    }

    // take 10 steps to flip
    public function flip(event:Event) {
        flipStep--; // next step

        if (flipStep > 5) { // first half of flip
            this.scaleX = .20*(flipStep-6);
        } else { // second half of flip
            this.scaleX = .20*(5-flipStep);
        }

        // when it is the middle of the flip, go to new frame
        if (flipStep == 5) {
            gotoAndStop(flipToFrame);
        }

        // at the end of the flip, stop the animation
        if (flipStep == 0) {
            this.removeEventListener(Event.ENTER_FRAME, flip);
        }
    }

function FlipTile(e)
{
    if (!TileFlipping)
    {
        var flipStep = 30;
        var sprite = e.currentTarget;
        console.log(sprite);

        TileFlipping = true;

        flipStep--;

        if (flipStep > 15)
        {
            sprite.scaleX = .02 * (flipStep-6);
        } else {
            sprite.scaleX = .02 * (5 - flipStep);
        }


        if (flipStep == 0)
        {
            TileFlipping = false;
        }

    }
}