You'll need to add listeners to your swfloader content..I
cant remember now which is the property you should access to get
the control of your flash components (id you debug your app it'll
be very easy, because i've done the same). Just remember that
everything should be in AS3 and if you intend to access components
inside your swf, they should have the linkage property enabled.
If you don't find you answer in the next 5hours, e-mail me,
because then i'll have my notebook with an example of it.