How to Select all/Invite all Friends in Facebook Fan page or Event at once best and one Working Method

Hi Friends Before some monthe ago it was very easy to select all friends withjava Script Code..But Now many kind wo Codes does not work…

So here is Some New Ways.
I searched alot and I got only this one and best way to Select all or invite all friends at once.
This is fireFox Extentions.
Follow the Steps and Learn How you can do this.

• Download Greasemonkey Click Here Fire Fox Extention and install it into your browser. and must Restart your browser after installation of this plugin.
• Install Select all plugin click here for select all friends in firefox. if it will not work use this mirror.
• Now here you done installation
• Now Restart your BrowserLogin to Your Facebook Account and go to your Facebook Fan Page or Event and click on Invite all Friends. there you can see select all friends option in your facebook select all box…

Click Select All option & press O.K
You're done.
Thank You!