Full browser but stage contents don't scale

hi, i’m making an experiment and i made an “AnchoredMovieClip” class which i inherit some of my movieclips on stage, this AnchoredMovieClip class watches for stage resize and it’s purpose was to when i go full browser window, it auto resize based on the anchors i set it to… however, when i start it up it doesn’t re adjust. If i try to resize the browser it resizes normal but what i want is for it to resize at the first time it shows.

i layed out my movie clips on stage basing on the stage size, and i assume that when flash loads the swf, it broadcasts the onstageresize event cause the size(in the browser) is not the same as the stage size in the flash IDE… how do you do this? (i hope you get what i mean)