For a project such as this, you can start with a "boxed" solution and modify as needed.

Aspin.com is loaded with scripts/apps a lot of which are free. You might want to with a pre built portal:
http://aspin.com/func/search?tree=as...cat=&x=31&y=12

hth
Michael Brinkley
http://ASPAlliance.com/mbrink1111/