Using GPS Data with Google Maps
From Pvdwiki
Google maps is probably one of the most powerful features within google.
<googlemap lat="32.82422" lon="48.481141"> 32.81134, 48.498341, One of many gas stations in town 32.82448, 48.504848, The town hall </googlemap>
The API
To use google features within your own html, an API key must be applied for. Each URL needs it's own Key to funtion.
http://www.google.com/apis/maps/signup.html
The google API has specific instructions for adding maps, including GPS tracks to your website.
http://www.google.com/apis/maps/