The unsafe way is to listen for "addoverlay" events. Check to see if the
added overlay is a polyline, and if it has a .name property, and if that
.name property is the one you're interested in.
That's unsafe because the .name property used by GGeoXml is not
documented, so it could change in future releases of the API.
The safe way is to use GeoXml or EGeoXml instead of GGeoXml, and write
your own {createpolyline} function.
--
http://econym.org.uk/gmap
The Blackpool Community Church Javascript Team
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