RewriteCond             %{REQUEST_URI}                          ^/demo/(.+)$
RewriteCond             /home/webcheckout/webcheckout/$1        -f
RewriteRule     ^(.+)   /home/webcheckout/webcheckout/$1        [L]

RewriteCond             %{REQUEST_URI}                          ^/demo/(.+)$
RewriteCond             /home/webcheckout/pir/document-root/$1  -f
RewriteRule     ^(.+)   /home/webcheckout/pir/document-root/$1  [L]