Access to MLS reil.com

I have been working on a project to pull information from a local MLS service, reil.com. They provide MLS data for the San francisco Bay area such as Palo Alto and Menlo Park. I am building websites for some local Real Estate Agents that display current MLS properties in a google map. The data will be pulled from reil.com to a local database and syncronized at various periods throughout the day. The information will be displayed on a googlemap. The data will appear based on the current proximity of the map. So when the user drags the map the system will re-search the database give the new boundries.