Martin, There's a really simple way to handle this, I'm going to be giving a presentation on this exact topic at Google on August 3rd. There will be code examples as well as working demos to demonstrate the effect. If you can wait until that time, that would be good, if not, please contact me off list and I can give you some help.
Here's an example of a map doing just what you're trying to do: http://www.usnaviguide.com/volcanoes.htm -John Coryat http://maps.huge.info http://www.usnaviguide.com http://www.zipmaps.net -- You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-api?hl=en.
