Technically Mercury is a resource for students, faculty, and staff of United Seminary.
And, Moodle is the medium in which to access Mercury. It is a course management system (CMS) - a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities. You can download and use it on any computer you have handy (including webhosts), yet it can scale from a single-teacher site to a 50,000-student University. This site itself is created using , so check out the Moodle Demonstration Courses or read the latest Moodle Buzz. (moodle.org)