Duplicating

HI I’m having a problem duplicating and draging the problem is that when i drag movie clips they disapear how can i solve that?

the code is

Movie Clip

on (press) {
i = i + 1;
_root.cir.duplicateMovieClip (“cir2”);
startDrag(this);
}
on(release){
stopDrag();
}

Thanks.