Adding a Dynamic preloader to the Kirupa example

Hi all

This question is in reference to Claudio’s - Preloader and Transition for Dynamic files, which can be found here

http://www.kirupa.com/developer/mx/preloader_transition.htm

I was just wondering would it be also possible to add an accurate preloaded that would tell you how much of the movie is loaded. If so then how would you implement this. I am a complete newbie to flash so any help would be most kind

thanks

w9914420