traverses a tree of DisplayObjects, calling the callback function on each

descendClips.as

// traverses a tree of DisplayObjects, calling the callback function on each
function descendClips(clip, callback) {
	callback(clip);
	
	for(var i = 0; i < clip.numChildren; i++) {
		var child = clip.getChildAt(i);
		
		try { descendClips(child, callback); } catch(e) {}
	}
}
// whatever function is specified as the second argument gets called for each clip
descendClips(this, function(clip) { clip.stop() });