Below is what i have, i can get it to grow but not shrink... heh.. anyways I don't use AS usually when developing websites so i'm a complete beginner

The AS is on a a frame in the timeline and the mc is on a layer/ frame below it that extends for about 30 frames

thanks for any assistance

Code:
import flash.display.MovieClip;
import fl.transitions.Tween;
import fl.motion.Tweenables;
import fl.transitions.easing.Strong;
import fl.transitions.easing.None;
import fl.transitions.TweenEvent;

var tweenScaleX : Tween;
var tweenScaleY : Tween;


function grow(mc : MovieClip) : void
{
    tweenScaleX = new Tween(mc, Tweenables.SCALE_X, None.easeNone, mc.scaleX, 2, .2, true);
    tweenScaleY = new Tween(mc, Tweenables.SCALE_Y, None.easeNone, mc.scaleY, 2, .2, true); 
	tweenScaleX.addEventListener(TweenEvent.MOTION_FINISH, shrink);
}

grow(myCircle);