Hi For info. This article reports a challenge to a study which found Wikipedia as accurate as the Encyclopaedia Britannica. http://news.bbc.co.uk/1/hi/technology/4840340.stm Sue -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.405 / Virus Database: 268.12.5/451 - Release Date: 19/09/2006