OK, as long as you're happy to be paying 10000 per year for the
facility, there's a couple of examples in Google's demos list that are
relevant for adjusting the directions:

http://esa.ilmari.googlepages.com/draggabledir.htm
http://www.marsrutai.info/directions.htm

To save the results to your server, you just need to have a [SAVE]
button that calls a Javascript function that collects the waypoint
locations into a suitable text string and uses GDownloadUrl() to send it
to your server.

If there's a possibility that the accumulated data could be longer than
512 bytes, then you'll need to use POST rather than GET. The normal way
to use GDownloadUrl uses a GET request
   GDownloadUrl("myserver.php?data=12.234,56.123,12.543,57.432",saved);
to issue a POST request, the GDownloadUrl call looks like this:
   GDownloadUrl("myserver.php",
                 saved,
                "12.234,56.123,12.543,57.432");

-- 
http://econym.org.uk/gmap
The Blackpool Community Church Javascript Team


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