Quick help pls.!

hi guys.

well i have a code that load other swf.

code:

onEnterFrame(); {
_root.createEmptyMovieClip(“yourmovieclip”, 1);
yourmovieclip._x = 20;
yourmovieclip._y = 123;
yourmovieclip.loadMovie(“GEI.swf”);
}

work great BUT

i only want that show GEI.swf only in 1 FRAME, how i can say in script that if this in another one Frame Unload GEI.swf???