Exchanging data between swfs WEIRD

Ok, I have a main swf where I have 2 loader components:

loader 1 is named “world”
loader 2 is named “continent”

loader 1 loads the main world map
loader 2 will have to load correct continent when the appropriate selections is mad on the world.swf.

My question is:

since world.swf , africa.swf, america.swf are separately created swfs, how to CALL or what the button code I have to make so that when I execute the swf the appropriate map will show:
generally:

if I clicked on mapf of africa on thw world.swf what code shoudl be written? so that the map of arfica would load inside the loade2 component?

my code for displaying the content of the loader1(the world map) is

on(load) {
loadMovie(“world.swf”,_root.world);
}

so I am THINKING of applying the follwoing code to a africa button

on(release) {
loadMvoie(“africa.swf”,continent);
}

but of course it does not work.

please help
if you ned more explanation please ask.