 <p>Take a look at these</p> <p><a href="http://code.google.com/p/geoxml3/" rel="nofollow">The geoxml3 project is an effort to develop a KML processor for use with Version 3 of the Google Maps JavaScript API, it now allows access to individual markers, polylines and polygons, rendered from KML.</a></p> <p><a href="http://www.birdtheme.org/useful/v3tool.html" rel="nofollow">Some useful demos with KML</a></p>