#my directory:
/producao

#my .htaccess
Options +FollowSymlinks
<IfModule mod_rewrite.c>
    RewriteEngine on
    RewriteBase /producao
    RewriteRule ^extrato$ limervoip/ [L]
    RewriteRule extrato/(.*) limervoip/$1 [L]
</IfModule>

#my form path
/producao/limervoip/index.php

#my form action
<form name="form_login" action="so_validalogin.php" method="post" onSubmit="return submitformulario(this)">