You followed a link to the old GRASP Homepage.
Since the ALV on June 29th, 2011 GRASP has been renamed to GRIN.

You can go to GRIN's (Groninger Graduate Interest Network) website via www.grin.im
for representative concerns

or you can go to GOPHER (Groninger Organization for PhD Education and Recreation) via www.gopher.im
for any social activities etc. !