totalBytes works only on local machine

I have made a preloader showing the progress of dynamically added images. The code works fine when i play the movie on local machine, but when i play the movie from the server bytesTotal is always 0. It even says 0 after the images has finished loading.

what i’m doing is basically: createEmptyMovieClip() , i then use a movieClipLoader to load jpeg into that empty movieclip. the movieClipLoader has a listener attached and with the listener i use the function onLoadProgress() to display bytesLoaded and bytesTotal

all of these things occur within one function…

bytesLoaded works fine both on local machine and from the server