Redirecting user to URL. On redirect open in a new window

Hi everyone. Love the plugin is working great.

However I need some users url’s to open in a new window.

I know how to code it in html target=”_blank”

Where can I find the location of the current URL for each user within my ftp to add this or is there another way?

Thanks so much!
Maggot

http://wordpress.org/extend/plugins/peters-login-redirect/