how do i implement security for the maps on web-interface?

i want the admins to see only their dedicated maps: only their part of the
network they are responsible for.
this is easy in nv-gui, but how to block maps for the web-interface?

Mit freundlichen Gruessen - Yours sincerely

Giscard Fuchs
CompuNet Berlin
Consulting
Mariendorfer Damm 1-3, 12099 Berlin, Germany
Phone: +49 30 70785-147, Fax: +49 30 70785-130, Mobile: 0172/8212409
Internet: giscard.fuchs @ gecits-eu.com