нужно наследоваться от MovieClip
Код AS3:
import flash.display.MovieClip;
public class MainPanel_2 extends MovieClip
если хочешь и в кадрах код и в классе
и по спецификации XML допустима только одна корневая нода документа
Код:
<?xml version="1.0" encoding="utf-8"?>
<videos>
<video_tv movie="my_videos/azbuka/1_a.flv" title="А" width="500" height="281" />
<video_tv movie="my_videos/azbuka/31_e.flv" title="Э" width="500" height="281" />
<video_tv movie="my_videos/azbuka/16_o.flv" title="О" width="500" height="281" />
<video_tv movie="my_videos/azbuka/29_y.flv" title="Ы" width="500" height="281" />
<video_tv movie="my_videos/azbuka/21_u.flv" title="У" width="500" height="281" />
<video_m movie="my_videos/azbuka/33_ya.flv" title="Я" width="500" height="281" />
<video_m movie="my_videos/azbuka/6_ye.flv" title="Е" width="500" height="281" />
<video_m movie="my_videos/azbuka/7_yo.flv" title="Ё" width="500" height="281" />
<video_m movie="my_videos/azbuka/10_i.flv" title="И" width="500" height="281" />
<video_m movie="my_videos/azbuka/32_yu.flv" title="Ю" width="500" height="281" />
</videos>