* Add Google Bar to search on map
* Add option for a marker tooltip field on gmap views
* Add option to highlight markers on mouse rollover event
* Add option to center Gmap on marker of node passed as argument in view
* Add option to highlight markers of node passed as argument in view

http://groups.google.com/group/Google-Maps-API/msg/33df59945c139afe?dmode=source

Pamela Fox says to add overflow: hidden; to fix the "long copyright strings run out the left end of the map div" bug.
http://code.google.com/p/gmaps-api-issues/issues/detail?id=308

So, by popular demand, I'm adding a CSS rule for that.

Tested in Seamonkey and IE6.