Your problem is on this line:
    var dirn = new GDirections("map") ;

The first parameter of GDirections should be a GMap2() Object, not a
String.

It's a bit tricky to see what's going on because the actual crash occurs
deep in obfuscated API code. The reply from the server comes back, using
the cross-domain JS trick, so the "__toplevel__" line that triggered the
sequence of events doesn't exist in the source. Venkman shows it as line
1 of a phantom file called "nav".

The processing of the reply from the server proceeds as normal until it
tries to display the results on the "map". Since "map" is a String()
instead of a GMap2(), "map".addOverlay() is not a function.

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


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