The Map button is prebuilt in Geopointe for standard objects including Leads, Accounts, Contacts, Opportunities, and Cases. It immediately geocodes a record and takes you to that location on the Map.
Here's a document on the process: http://help.geopointe.com/customer/en...
For custom objects (or less common objects), follow these steps: http://help.geopointe.com/customer/po...