htaccess

[simun]

here is my htaccess

 

#php_flag session.use_trans_sid off 
RewriteEngine ON

RewriteBase / 

RewriteRule !\.(js|ico|txt|gif|JPG|txt|swf|jpg|png|css|php|pdf)$ index.php [QSA]
RewriteRule ^images/captcha.jpg$ includes/image.php
RewriteRule ^images/cache/(partners|galleries|objects)/([0-9]*)/(.*)/(w|h)-([0-9]*).jpg$ includes/image_converter.php?what=$1&image=$3&id=$2&type=$4&amount=$5

 

i have a subdomain in my root that dont work if i have a htaccess file,

 

is there any solution that htaccess dont affect my subdomain or a folder n my root ???