MIN_SCROLLER_POS = 0;

MAX_SCROLLER_POS = 100;

MIN_IMAGE_SIZE = 200;

MAX_IMAGE_SIZE = 1000;

 

relativeScrollerPosition = (scroller.y - MIN_SCROLLER_POS) / (MAX_SCROLLER_POS - MIN_SCROLLER_POS);

 

imgMinScale = Math.min(MIN_IMAGE_SIZE / (img.width / img.scaleX), MIN_IMAGE_SIZE / (img.height / img.scaleY) );

 

imgMaxScale = Math.min(MAX_IMAGE_SIZE / (img.width / img.scaleX), MAX_IMAGE_SIZE / (img.height / img.scaleY));

 

imgCurrentScale = imgMinScale + (imgMaxScale - imgMinScale) * relativeScrollerPosition;

 

img.scaleX = img.scaleY = imgCurrentScale;

var a:Number = pimpStart;

            var b:Number = pimpStop;

            var c:Number = heightOrigin;

            var d:Number = 390;

            var n:Number = pimp.y; 

            var x:Number = (n-b)*(c-d)/(a-b)+d;

            var h:Number = x;

            var w:Number = 0

            var flag:Boolean = false;

            var k:Number = flag ? Math.min(w/_bitmap.width, h/_bitmap.height) : Math.max(w/_bitmap.width, h/_bitmap.height);

            _bitmap.scaleY = _bitmap.scaleX *= k;