Hi, Could someone explain me the meaning and how to use the extended "map" parameter: "file;stream[:syncfile:syncstream]"? Thank you, ---------------------- Mathieu Minard Phone : +33 (0) 5.56.84.44.50 Fax : +33 (0) 5.56.84.21.80 URL : http://phoenix.labri.fr/people/minard