RewriteEngine on
RewriteCond %{REQUEST_URI} !^/admincp/$ [NC]
RewriteCond %{REQUEST_URI} !^/muguard/$ [NC]
RewriteCond %{REQUEST_URI} !^/maintenance/$ [NC]
RewriteRule ^([^/\.]+)/([^/\.]+)/?$ index.php?page=$1&subpage=$2 [QSA]
RewriteRule ^([^/\.]+)/?$      index.php?page=$1 [QSA]
ErrorDocument 404 /404