On a PC, reload the thread while holding down shift and control. I think it's actually only one of those keys, but I can never remember which one.
stuff like quick reply are mini javascript applets. your computer caches them. a hard refreshes overwrites the one in the cache with the new one on the page you download and puts that in the cache.
The threads are still there -- you just can't access via forums. To find a thread, the best thing to do is use "BigSoccer Live" on the home page, use "My BigSoccer", or use the search functon.
maybe someone hacked the site and is hoping people type in their passwords into the form and he will use them later