If you are inspecting the network traffic you will see that Geni are not passing these as options on the url, but as form data.
6/10/2011 at 1:35 AM
Private User, if you click the link, you'll see $list_id and $page work, but $mode does not. $mode and $page do work together though which means $list_id and $mode don't play well with one another. I wonder why that is.