.htaccess

RewriteEngine on
Options -Indexes
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
DirectoryIndex index.php

RewriteRule ^([a-zA-Z0-9_-]+).html&p=([0-9]+)$ index.php?com=$1&p=$2  [L]
RewriteRule ^([a-zA-Z0-9_-]+).html$ index.php?com=$1  [L]

RewriteRule ^([a-zA-Z0-9_-]+).html/keyword=(.*)$ index.php?com=$1&keyword=$2  [L]
RewriteRule ^([a-zA-Z0-9_-]+).html/keyword=(.*)&p=([0-9]+)$ index.php?com=$1&keyword=$2&p=$3  [L]

RewriteRule ^([a-zA-Z0-9_-]+)/([a-zA-Z0-9_-]+).html$ index.php?com=$1&id=$2  [L]

RewriteRule ^([a-zA-Z0-9_-]+)/([a-zA-Z0-9_-]+)/&p=([0-9]+)$ index.php?com=cat2&idc=$2&p=$3[L]
RewriteRule ^([a-zA-Z0-9_-]+)/([a-zA-Z0-9_-]+)/$ index.php?com=cat2&idc=$2 [L]
RewriteRule ^([a-zA-Z0-9_-]+)/&p=([0-9]+)$ index.php?com=cat1&idc=$1&p=$2 [L]
RewriteRule ^([a-zA-Z0-9_-]+)/$ index.php?com=cat1&idc=$1 [L]