==== Rewrite rules
    # If we have a MS_LOCALE cookie
    # and the requested path isn't already infixed (multi{lingual,site} sites)
    # Add the MS_LOCALE cookie to the requested path to infix it
    RewriteCond %{HTTP_COOKIE} MS_LOCALE=(.*)[-,;]?
    RewriteCond %{REQUEST_FILENAME} ![a-z]{2}_[a-z]{2}\.
    RewriteRule ^(.*)\.(jpg|jpeg|png|gif)$ $1_%1.$2

    # Strip off region if we can't find a file; example_fr.jpg
    RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} !-f
    RewriteRule ^(.*)(_[a-z]{2})\.(jpg|jpeg|png|gif)$ $1.$3 [C]

    # Strip off language if we can't find a file; example.jpg
    RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} !-f
    RewriteRule ^(.*)(_[a-z]{2})\.(jpg|jpeg|png|gif)$ $1.$3


==== File system set up
/media/dvd
/docroot/media/images/testms/test_fr_fr.jpg
/docroot/me -> /docroot/media/images (symlink)


==== Working request, note "prefixed with document_root" line

Request:
cookie "MS_LOCALE=fr_fr"
'http://localhost:10046/me/testms/test.jpg'

Rewrite log:
...do above rules which identifies test_fr_fr.jpg file in the docroot
local path result: /me/testms/test_fr_fr.jpg
prefixed with document_root to /home/pmarkham/perlgem/sites/maccosmetics/fr/me/testms/test_fr_fr.jpg
go-ahead with /home/pmarkham/perlgem/sites/maccosmetics/fr/me/testms/test_fr_fr.jpg [OK]


==== Not working request, note that path is not prefixed

Request:
cookie "MS_LOCALE=fr_fr"
'http://localhost:10046/media/images/testms/test.jpg'

Rewrite log:
...do above rules which identifies test_fr_fr.jpg file in the docroot
local path result: /media/images/testms/test_fr_fr.jpg
go-ahead with /media/images/testms/test_fr_fr.jpg [OK]