Stop / Play a MovieClip and it's children

gistfile1.as

package
{
	import flash.display.DisplayObjectContainer;
	import flash.display.MovieClip;

	public class MovieClipUtil 
	{
		public static function stopAll(container:DisplayObjectContainer):void
		{
			if (container is MovieClip) MovieClip(container).stop();
			
			for (var i:int = 0; i < container.numChildren; i++) 
			{
				if (container.getChildAt(i) is MovieClip) {
					MovieClipUtil.stopAll(MovieClip(container.getChildAt(i)));
				}
			}
		}
		
		public static function playAll(container:DisplayObjectContainer):void
		{
			if (container is MovieClip) MovieClip(container).play();
			
			for (var i:int = 0; i < container.numChildren; i++) 
			{
				if (container.getChildAt(i) is MovieClip) {
					MovieClipUtil.playAll(MovieClip(container.getChildAt(i)));
				}
			}
		}
	}
}