Preloaders on screen applications

i’m bulding a flashsite and one of my pages (swf) was build with screens - forms;
my problem is that when i’m calling and loading the swf with the form application
the first thing that loads are all the slides on the top of each others and only then the first slide ( i don´t know if this is understandable but i’m doing my best with my portuguease-english); i really need help for this one cause idon´t know if the problem is the lack of a preloader and if it is how do i apply it to the screens…or is there a possibility of avoiding it with as ?

greetings from Portugal