Yes, everything else seems to be working okay.
More strange info, which makes me even more sure that it's a server problem and not a script problem (but I posted it here to see if anyone had any ideas):
1. The server seemed to go down for a while soon after I was having these problems, and at the same time I shut down the computer and rebooted. After the server came back (and I turned the computer back on), it worked fine in Netscape.
2. Someone else just reported the exact same problem in the exact same place. Only it's in a different instance of the message board system (one that has been running unchanged since February with no such problems). The one I was having problems with this morning is in a different directory, and is a newer version, but from the quick comparison I made of the viewmessage.php files, they are identical (with the exception of some different comments) between the two versions. I don't know if the new problem was with Netscape or IE.
I've now sent a message to my ISP describing the problem, and I'll let you know if they have any ideas.
