It seems that the new FireFox is doing some security check. Should the new online judge make some update to fix this problem? Is there any option we can change in the new FireFox to walk around this problem?The page isn't redirecting properly
Firefox has detected that the server is redirecting the request for this address in a way that will never complete.
* This problem can sometimes be caused by disabling or refusing to accept
cookies.
IE can work though ...