RewriteEngine On
RewriteRule ^davetiye/ davetiye.php [L]
ReWriteRule ^davetiyeler/(.*).html davetiyeliste.php?kat=$1 [L,NC]
ReWriteRule ^siparis/(.*).html davetiyesiparis.php?dav=$1 [L,NC]
ReWriteRule ^(.*)/(.*).html davetiyedetay.php?kat=$1&dav=$2 [L,NC]