class A
{
	private var baba:B;
	private var gravity:int;
	private function A() extends Sprite
	{
		gravity = 10;
		baba = new B();
		addChild( baba.display );
	}
}

class B
{
	public var display:Sprite;
	public function B()
	{
		display = new Sprite();
		var prajurit:Sprite = new Prajurit();
		display.addChild(prajurit);
		prajurit.x += Baba.gravity;
	}
}