RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

RewriteCond $1 !^(index\.php|images|img|css|js|robots\.txt)
RewriteRule (.*) index.php/$1 [L] 

#php_flag register_globals off
#php_flag magic_quotes_gpc off
#php_value post_max_size "1000M"
#php_value upload_max_filesize "250M"
#php_value max_execution_time "600"
#php_value max_input_time "600"
#php_value memory_limit "320M"