I use the latest Firefox and have a problem with this site only, so I'm assuming it's the website and not the browser. When I go to a next page, the browser many times has to re- log me (if I've only been on that page for less than a few seconds, it doesn't do that). Also when I go to a next page, it'll briefly show that next page, but then jerk me back to the very first page.

EX1: Viewing the entries for a contest and click on the next page, it'll jerk me back to page one or it'll even take me to the contest details page.

EX2: Viewing items under a subject that has several pages. I click on the next page (or even the next number, does for both ways), it briefly shows that next page and then jerks me back to page 1.  I can be on page 10 and click on 11 and it jerks me back to page 1.

This has been happening for a couple of months now, so it doesn't seem to be going away.

Any ideas?