To get started, you will first need to get an API key to use Google Maps on your domain. You can sign up for a free key at
http://code.google.com/apis/maps/signup.html. Even if you are working on your local computer, you still need the key. For instance, if the base URL of your Joomla installation is
http://localhost/joomla, you will enter
localhost as the domain for your API key.
Once you have ...