How to access a home Mac running Moodle 2.1 from another Mac?

Have one 10.7.5 Mac running a Moodle 2.1 server at home.  What do I have to do to access that Moodle server from a second "student" Mac at home?

On the Moodle 2.1 server, I have the Firewall turned off, web sharing turned on, with an IP of 192.168.1.98. and can access Moodle on the server itself using Firefox by going to http://localhost/moodle21/ 

However, on the student Mac, using Firefox, I type in 192.168.1.98/moodle21 but get "Not Found."  I am able to ping 192.168.1.98 and can access a generic web site running on the server from the student Mac by going to 192.168.1.98/~admin/index.html

Any suggestions on how to configure a Mac running 10.7.5 and Moodle 2.1 so I can access it from another Mac?

Thanks everyone!