Options +FollowSymLinks

Header add Pragma "no-cache"
Header add Cache-control "no-cache"
Header add Cache-control "no-store"
Header add Expires "0"

RewriteEngine on
RewriteCond %{QUERY_STRING} this\=([0-9]+)$
RewriteRule get\.cgi categories/%1.htm [L]

RewriteRule get\.cgi links.htm