Loading Seperate Movies with Flash MX Action Script

I loaded a quicktime movie into flash mx. I made a seperate movie for a button bar. I'm trying to load my button bar with the quicktime movie, so, the button bar will interact with the movie without making them together. I want to have them seperate, so, I will be able to revise one without the other. This is my code, I have the button movie displaying, but without interaction with the main movie. Can someone help?

_root.createEmptyMovieClip("buttons",3);
buttons.loadMovie("buttons.swf",3);
buttons._x = 20;
buttons._y = 400;

This might be a problem with the loadMovie command. You either use:

loadmovie("source","targetObject","method")

or

targetObject.loadMovie("source","method")


TRY:

_root.createEmptyMovieClip("buttons",3);
buttons.loadMovie("buttons.swf");
buttons._x = 20;
buttons._y = 400;