.htaccess phpfox mod_rewrite issue

[ipwnzphp]

Im trying to get mod_rewrite to work on phpfox and my host dose support it. I use hostgator and this file is a really work of art. Its giving a 400 error bad request. code is below

 

RewriteEngine On

RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>file/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>install/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>update/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>design/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>plugins/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>vbforum/.*
RewriteRule ^index.php(/.*)$ <%SUBFOLDER%>index.php?do=$1 [L]

RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>file/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>install/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>update/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>design/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>plugins/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>vbforum/.*
RewriteCond %{REQUEST_URI} !^<%SUBFOLDER%>index.php
RewriteRule ^(.*)$ <%SUBFOLDER%>index.php?do=/$1 [L]