How about this (not tested)?
> error_page 503 @maintenance;
>
> location @maintenance {
> auth_basic off;
> root /var/www/foobar/nginx_error_test/system;
>
> if ($content_type ~* javascript) {
> rewrite . /system/maintenance.json last;
> }
>
> if ($content_type ~* xml) {
> rewrite . /system/maintenance.xml last;
> }
>
> rewrite . /system/maintenance.html last;
> }
>
> if (-f $request_filename) {
> break;
> }
>
> if (-f $request_filename.html) {
> rewrite (.*) $1.html last;
> }
>
> }


--

*Phillip B Oldham*
ActivityHQ
phill@activityhq.com <mailto:phill@theactivitypeople.co.uk>

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