It was good to have Allen's reminder about the range of assertion and truth available on BEE-L. There IS no substitute for hard research on your own. My father, a chemical engineer, used to define an expert as one who avoided all the minor errors as he swept forward to the grand fallacy. Beware of true believers anywhere! Bill Mares/Mares Apiaries 429 South Willard St., Burlington, VT 05401 Phone: 802-863-4938 Fax: 802-864-7982 Bee Happy in your work! _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com