Actionscript 3, 3D hover and scale effect

package {
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.display.Sprite;
 
import gs.TweenLite;
import gs.easing.*;
 
[SWF(width='700', height='500', backgroundColor='#000000', frameRate='60')]
public class Rotate3D extends Sprite {
	[Embed(source="aviation.png")]
	private var Aviation:Class;
	public function Rotate3D()
	{
		super();
		stage.align = StageAlign.TOP_LEFT;
		stage.scaleMode = StageScaleMode.NO_SCALE;
 
		var avi:* = new Aviation();
		avi.x -= avi.width/2;
		avi.y -= avi.height/2;
 
		_s = new Sprite();
		addChild(_s);
 
		_s.addChild(avi);
		_s.x = stage.stageWidth / 2;
		_s.y = stage.stageHeight / 2;
		_s.z = 250;
		stage.addEventListener( Event.ENTER_FRAME, enterFrameHandler );
	}
	private function enterFrameHandler(event:Event):void
	{
		var distX:Number = mouseX / stage.stageWidth;
		var distY:Number = mouseY / stage.stageHeight;
		var moveV:Number = 70;
		TweenLite.to(_s, 2, {
			rotationY:(-moveV + (2*moveV*distX))
			,rotationX:(moveV - (2*moveV*distY))
			,ease:Expo.easeOut
			});
 
	}
	private var _s : Sprite;	
}
 
}