Greetings... I have placed version 2.0.16 of the DDL on our server. This version reflects a few minor structural changes and my attempt to implement suggestions that I have received over the past few months. Thank you to all have contributed comments. Regards... John -- **************************************************************************** * John Westbrook Ph: (908) 445-5156 * * Department of Chemistry Fax: (908) 445-5958 * * Rutgers University * * PO Box 939 e-mail: jwest@rutchem.rutgers.edu * * Piscataway, NJ 08855-0939 * ****************************************************************************