To take advantage of local search functionality, take a look at the AJAX Search API. The samples here are also particularly useful.
If you have any feedback or comments, please drop by our Google Group or new IRC channel (irc details can be found at the bottom of this post).
|[NFGB] Link - from Google AJAX Search API Blog|
Related From Google Blogs:
Say hello to Gmail voice and video chat
Behind the apps: Amazon and imeem
The stories behind the apps
LIFE Photo Archive available on Google Image Search