private var _currentTargetPosition:LinkedListPoint;

private function createPositionTargets():void
{
	var onPosition:LinkedListPoint = new LinkedListPoint(0, ON_STAGE_Y, null);
	var offPosition:LinkedListPoint = new LinkedListPoint(0, OFF_STAGE_Y, onPosition);
	onPosition.next = offPosition;

	_currentTargetPosition = offPosition;
}

private function togglePosition(e:MouseEvent):void
{
	_currentTargetPosition = _currentTargetPosition.next;
	moveTo(_currentTargetPosition.y);
}

private function moveTo(yPos:Number):void
{
	TweenLite.to(this, 1, {y:yPos});
}