marc > but who decides what is cutting edge? :-)) good point ! Let's call it emerging practices. Annick -- *************** Annick Bureaud (annick at nunc.com) tel/fax : 33/ (0)143 20 92 23 mobile : 33/ (0)6 86 77 65 76 ***************** Leonardo/Olats : http://www.olats.org