RewriteEngine On
RewriteBase /
RewriteRule ^index\.html$ index.php$1
RewriteRule ^category-([0-9]+)\.html$ category\.php\?id=$1
RewriteRule ^category-([0-9]+)-([0-9]+)\.html$ category\.php\?id=$1&area=$2
RewriteRule ^category-([0-9]+)-([0-9]+)-([1-9999]+)\.html$ category.php?id=$1&area=$2&page=$3
RewriteRule ^view-(.+)\.html$ view.php?id=$1
RewriteRule ^about-(.+)\.html$ about.php?id=$1