//b = mi movieclip
 //b_function = nombre del a funsion
 //b_count = es un contador

   onEnterFrame = function () {
   b_function = "b"+b_count;
   b.duplicateMovieClip(b_count, b_function);
   b_count++;
};

onEnterFrame = function () {
	b.duplicateMovieClip("b", this.getNextHighestDepth());
};