Robert, Have a look at the following, section 7.5 http://us2.samba.org/samba/ftp/cvs_current/docs/htmldocs/samba-bdc.html -- Greg J. Zartman, P.E. Vice-President Logging Engineering International, Inc. 1243 West 7th Avenue Eugene, Oregon 97402 541-683-8383 541-683-8144 www.leiinc.com