how do I set up a trellis camera to monitor a room and picture from computer at work?

Answer:

set the webcam up on an unused home computer and next start the webcam with yourself at work (over msn or somthing resembling that) then budge to work and accpet the invitation and watch...
use msn messenger
It depends on the camera. Some webcam hold a built-in Web-server that you can access from anywhere.