Issue #1298800 by hkirsman | Jeff Burnz: Fixed img max-width 100% will break Google maps (in Firefox). Fixed typo.

Issue #463160 by alberto56 | SocialNicheGuru: Added Avoid Grey map background on IE & FF by forcing .gmap img max-width none.

  * 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.