The top few threads say "Sticky" before the thread title. The announcement is above the top thread, and is currently titled "Announcement: All nonessential features are off. by Gee Wally on 03-02-2004". It's directly below the list of moderators.
There's a board called HF Service, Feedback, and Information (the last one listed on the main page, and in the forum jump bar) which is for queries such as this. It's the place to go if you are having any problems.