Okay, now it works (back at home rather than in the office - could it be a portforwarding or firewall issue?)

That's great! A right, left, up and down arrow to move the view by increments would be a handy first implementation of panning. Also, any chance of a larger image?

I like the idea of a CWB pbp campaign area. I'm not sure I'd have time to run anything but I like the concept of playing a laid back game.