If I use http://gnuite.com/cgi-bin/gpx.cgi, I got "Failed to connect to GPX Directions Server". If I use http://gnuite.com:8080/cgi-bin/gpx.cgi, I got "Invalid source or destination" (I just use Toronto, Ontario as both source and destination).
http://www.gnuite.com/cgi-bin/gpx.cgi?saddr=%s&daddr=%s