I believe you are looking for something like Mike Williams' "Clickable Sidebar" which loads the data from an XML file: http://www.geocodezip.com/v3_MW_example_map3.html
There are others here who have accomplished the same thing with KML files. JF -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-maps-js-api-v3/-/gApKgGzchjUJ. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.