We apologise about the multiple messages. There as been a problem with the previous link we sent for the map https://maps.google.co.uk/maps/ms?msa=0&msid=210521906071170888624.0004c8cbf... ----------------------------------------- Julien David Laboratoire d'Informatique de Paris-Nord UMR CNRS 7030 Institut Galilée - Université Paris-Nord 99, avenue Jean-Baptiste Clément 93430 Villetaneuse -----------------------------------------