Знакомство с Flash 9 и ActionScript 3.0 на примере создания аркадной игры

[civhimik]

Вот что пишет:

**Error** D:\www\www1\as3manual\AsteroidStormSourceCode3\main\GameOver.as : Line 15, Column 54 : [Compiler] Error #1119: Access of possibly undefined property panel through a reference with static type flash.display:DisplayObject.
			this.score_label.text = "Score: "+Math.floor(root.panel.score);
**Error** D:\www\www1\as3manual\AsteroidStormSourceCode3\main\GameOver.as : Line 33, Column 9 : [Compiler] Error #1119: Access of possibly undefined property sky through a reference with static type flash.display:DisplayObject.
			root.sky.bg.handleMouseLeave();
**Error** D:\www\www1\as3manual\AsteroidStormSourceCode3\main\GameOver.as : Line 39, Column 10 : [Compiler] Error #1119: Access of possibly undefined property sky through a reference with static type flash.display:DisplayObject.
				root.sky.Done();	// � sky �������� �������� ���� ��������
**Error** D:\www\www1\as3manual\AsteroidStormSourceCode3\main\GameOver.as : Line 40, Column 10 : [Compiler] Error #1061: Call to a possibly undefined method gotoAndStop through a reference with static type flash.display:DisplayObject.
				root.gotoAndStop(2);	// ��������� �� ������ ���� ������

Ну и дальше ReferenceError'ы