http://www.cea.uba.ar/aschu/biblio.html -- The Laws of Serendipity: 1. In order to discover anything, you must be looking for something. 2. If you wish to make an improved product, you must first be engaged in making an inferior one. Tivoli Certification Group, OSCT James Choate jchoate@tivoli.com Senior Engineer 512-436-1062