G'day Graham Thanks heaps for your clear & nicely worded explaination, I understand the situation much clearer now. And I 'think' I'm doing it right ;) Cheers! Teri -- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.273 / Virus Database: 156 Release Date: 25/10/2001