Thanks to all who replied. I will delve further. Cheers, Dave. -- David Ryan - [EMAIL PROTECTED] http://www.snowy.net.au Smart Radio Systems Phone: 02 64525555 Fax: 02 64524317 Cooma, NSW 2630, Australia Secretary Cooma Bushfire Brigade -- SLUG - Sydney Linux User Group Mailing List - http://slug.org.au/ More Info: http://slug.org.au/lists/listinfo/slug