zencart & mailchimp

I have a couple of questions regardring the zc&mailchimp integration (by thatsoftwareguy)

1. I added the Sidebox, but when the 'Subscribe' button is pressed, it goes to the MailChimp page, confirming that an email is sent to you etc. I do not want the Sidebox to navigate OUT of my shop. How can I fix that, to stay in my shop? target = .. ??
2. When a new customer register before checkin out, I also want him to have him checking newsletter Yes/No for the MailChimplist , ie below the name / adress section in Zencart. How do I do that?

PS sidebox is not currently visible in our https://www.birk.no until I know how to make it perfect ..

1. You could make it open a new window. Edit

./includes/templates/template_default/sideboxes/tpl_mailchimp_sidebox.php

and change line 10 from

$content .= '<form action="http://list-manage.com/subscribe/post" method="post">';

to

$content .= '<form action="http://list-manage.com/subscribe/post" method="post" target="_blank">';

2. is not available now - I will do this later this year though.