It is also imperitive that you have the new Flash 6 player installed.
Older players will not be able to read the information sent by the
accessibility object used in Flash M X. This object can be programmed to
send information to your screen reader as mentioned in the first response
to your question. ... Then if you are still having trouble, it is likely
that the web designer did not use(or program properly) the accessibility
object in Flash. The only solution here is to give them feedback: directly
with an email, or public outcry in a press release. Whatever it takes.