You would in general attach a click event listener to something (your button) using google.maps.event.addListener. Inside the listener function, you would then call setMap(null) on every marker you wish to remove.
For specifics, we'd of course need to see a link to your best attempt (even if it isn't working yet). Chad Killingsworth -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" 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-js-api-v3?hl=en.
