Well, I discovered that for some reason I can't figure out yet, the random quotes were timing out the site. I'll try and figure out what went wrong, but for now, I've disabled them--and the site works.

Okay...instead of using the php include command, I put the php code for the random quote in the header file and now it all works.

Strange how it decided over the weekend not to work like it had all the time before. I'm beginning to wonder if freeshell initiated php strict or something.