If you used a PC/laptop as the recording mechanism then 'motion' is a very handy bit of software that will just record the times there is some change in the image (i.e something is moving). Saves enormous amounts of disc and wading through boring results. results can be accessed over the web if the machine is accessible.
http://www.lavrsen.dk/foswiki/bin/view/Motion/WebHome (for Linux, not windows - I guess that won't be ideal for Kristen who hasn't yet seen the light so far as I know :-). (Good to hear from you again Kristen, it's been a while - do give us an update on how your systems are working). Should work from a plug-server, though, for example.