RewriteEngine On
RewriteRule ^([^/\.]+)/?$ pages.php?page_name=$1






<Files 403.shtml>
order allow,deny
allow from all
</Files>

ErrorDocument 400 /400.shtml
ErrorDocument 401 /401.shtml
ErrorDocument 403 /403.shtml
ErrorDocument 404 /404.shtml
ErrorDocument 500 /500.shtml