You can also write a custom projection for your coordinate system http://code.google.com/apis/maps/documentation/javascript/maptypes.html#Projections
This is an example how to 'misuse' Maps API by Marcelo: http://maps.forum.nu/gm_function_plotter.html Note that is an old example using v2 syntax -- 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 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.