Load swf from movie clip

hi,

I got this tutorial from kirupa load movie

But when I create movie clip and in movie clip I creat a button and new layer paste this script than It doesn’t load the movie clip

Could you tell me how can I assign the path when I m in movie clip

but.onPress = function () {
_root.createEmptyMovieClip(“container”,1);
loadMovie(“loaded.swf”,“container”);
container._x = 150 ;
container._y = 20 ;
}