Script Summary: Creates a link on Google Maps to view the map on OpenStreetMap.
License: MIT License; http://www.opensource.org/licenses/mit-license.php
It's possible to change the associated URL via the Greasemonkey Menu Command "GMaps: Set OSM URL". The strings <lat>, <lon> and <zoom> in the URL will be replaced by the appropriate values of the current map. The default URL is
http://www.openstreetmap.org/?lat=<lat>&lon=<lon>&zoom=<zoom>&layers=B000FTF
