Help in controlling a loaded swf

first i made an empty movie clip and named it “container”
and then i made a button…

here’s the code for the button in main movie…

on (release){
container.loadMovie(“movie1.swf”);
movie1.play();
}

then i put stop(); on the first frame of the swf to be loaded…

what i want is to play movie1 by pressing the button in the main movie…