Graalians - GraalOnline Classic for Facebook issue?

I went to play GraalOnline Classic for facebook, and it's not appearing.
(Using Chromium Web Browser)

Says:

Quote:

This webpage is not available
The webpage at https://classiciframe.graalonline.com/?ref=graalweb might be temporarily down or it may have moved permanently to a new web address.
Error 501 (net::ERR_INSECURE_RESPONSE): Unknown error.

However, I went to try it on Firefox. And it told me:

Quote:

This Connection is Untrusted

You have asked Firefox to connect
securely to classiciframe.graalonline.com, but we can't confirm that your connection is secure.
Normally, when you try to connect securely,
sites will present trusted identification to prove that you are
going to the right place. However, this site's identity can't be verified.

What Should I Do?

If you usually connect to
this site without problems, this error could mean that someone is
trying to impersonate the site, and you shouldn't continue.

GET ME OUT OF HERE (button)

Technical Details:
classiciframe.graalonline.com uses an invalid security certificate.

The certificate is not trusted because it is self-signed.

(Error code: sec_error_untrusted_issuer)

Anyone else having this issue?

I am using Ubuntu 11.04 Natty Narwhal just so we know.