AS2 SWF loaded inside a AS3 SWF

Question

Hi,
In a recent project I had to load a FlashPaper2 document
inside a SWF implemented in AS3. I read a couple of articles about
Darron
Shcall's article and
FlashInterface
but none of them seemed to be useful in my case.
I needed to load a FlashPaper SWF inside a AS3 and couldn't
rely on ExternalInterface since they were not two separate SWF's.
To be more clear, I was using the Loader class via a Sprite to load
the FlashPaper SWF.
Anyways, I created FlashPaperLoader.SWF implemented in AS2
which was used to load the FlashPaper SWF. This loader was able to
communicate with the FlashPaper APIs (AS2). As you can guess, the
AS3 SWF was used to load the FlashPaperLoader.swf.
What I don't understand is how come the FlashPaperLoader the
FlashPaper document SWFs can communicate with each other thru AS2
function calls when they are loaded inside a AS3 SWF, I thought
that due to VM differences, no communication is possible!
I hope I was clear, if I was, any guru insight is really
appreciated.
Cheers.

Answer 1

Thanks kglad,
But you still haven't answered my question. I am not looking
for solutions, my own solution works. I wanted to understand more
about the VM's.
AS3
var request:URLRequest = new
URLRequest("./FlashPaperLoader.swf");
var loader:Loader = new Loader();
loader.load(request);
AS2
var loader:MovieClipLoader = new MovieClipLoader();
loader.loadClip("./FlashPaperDoc.swf", fpContainer);
// the loader SWF used IFlashPaper APIs to communicate with
the FlashPaper SWF.
Now, the first part (AS3), all that code is interpreted by
VM2. Once an AS2 SWF is loaded a
AVM1Movie
is created and no direct communication between AS3 and AS2 is
possible. I am curious to know how come the two AS2 SWFs can
communicate with each other while inside the VM2 space.