Thanks for your explanation, it makes things clearer, but I need to work on it a bit more before saying that is perfectly clear for me. Are there more pattern repositories available than simply www.phppatterns.com? -- symbulos partners -.- symbulos - ethical services for your organisation http://www.symbulos.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php