Hey,
Info: I changed Extension:GoogleMaps
Do note that the Maps extension [0] can do most of what this extension can do, and a whole lot more. Might make more sense for you to improve that one (and yes, I'm biased :)
https://www.mediawiki.org/wiki/Extension:Maps
Cheers
-- Jeroen De Dauw http://www.bn2vs.com Don't panic. Don't be evil. --