RewriteEngine On
RewriteRule ^index\.html$ index\.php
RewriteRule ^forum-([0-9]+)(-([0-9]+))*\.html$ forum\.php\?fid=$1&page=$3
RewriteRule ^view-([0-9]+)(-([0-9]+))*\.html$ view\.php\?tid=$1&page=$3
RewriteRule ^user-([0-9]+)(-([0-9]+))*\.html$ user\.php\?uid=$1&page=$3