The code

/*
Programming for Artists - Assignment #12
Brock J. Stearn
"Magic Ball"
*/
var dist = 4;
//
function updateBall() {
	// called upon key event
	// move the ship based on key just pressed
	//
	switch (Key.getCode()) {
	case Key.UP :
		Mask._y -= dist;
		break;
	case Key.DOWN :
		Mask._y += dist;
		break;
	case Key.LEFT :
		Mask._x -= dist;
		break;
	case Key.RIGHT :
		Mask._x += dist;
		break;
	case Key.SPACE :
		zoomin();
		break;
	case Key.SHIFT :
		zoomout();
		break;
	}
}
//
// For SpaceBar - Make Ball Bigger
// No larger then 600
function zoomin() {
	if (Mask._xscale <= 600) {
	Mask._xscale = Mask._xscale * 2;
	Mask._yscale = Mask._yscale * 2;
	}
}
//
// For Shift - Make Ball Smaller
// No smaller then 25
function zoomout() {
	if (Mask._xscale >= 25) {
	Mask._xscale = Mask._xscale / 2;
	Mask._yscale = Mask._yscale / 2;
	}
}


*********** For the Mask  ************
this.Mask_Text._x = 530-(_root.mask._x*2);
this.Mask_Text._y = 375-(_root.mask._y*2);