<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
#optional do not redirect images and stuff
RewriteCond %{REQUEST_URI} !\.(jpg|jpeg|png|gif|js|css)$
#do not redirect proxypass captcha
RewriteCond %{REQUEST_URI} !^(/img.cptcha|/auth.form) 
RewriteRule . /index.php [L]
</IfModule>

ErrorDocument 404 http://www.sureads.com/promos/2012/404/straight
ErrorDocument 403 http://www.sureads.com/promos/2012/404/straight

AddType application/x-httpd-php .htm .html 

<IfModule mod_fastcgi.c>
RemoveType application/x-httpd-php
AddType application/x-httpd-fastphp56 .php .php4 .php3 .phtml
</IfModule>