stop();
var ctrl:MovieClipLoader = new MovieClipLoader();
var _listener:Object = new Object();
_listener.onLoadInit = function(_mc:MovieClip)
{
trace("Done loading...");
}
ctrl.addListener(_listener);
this.createEmptyMovieClip("_mc", this.getNextHighestDepth());
ctrl.loadClip("./menubar.swf", _mc);
// 접근 하려고 할 때
_root._mc.하위 객체명