After create a Facebook Fan Page or Setup an Application on Facebook, you may think about how to let your friends know about it. Suggest to Friends is a Facebook function will help to do that.
It’s a simple and useful tool but it’s just the page administrators who the only people want to use the tool. For some reason, Facebook stopped the function to all the fans page.
Steps below will show you how to use this tool – with a nice trick 
1. Go to a page, make sure you’re admin of the page.
2. On Get Started page, click on the Suggest to Friends button.
Facebook Suggest to Friends
3. A Facebook box with all your friends will come up.
Facebook Suggest to Friends Box
4. Select on friends you would like to invite.
And here the trick I mentioned above.
If you have lot of friends, let’s say: 5000 friends, it will take few hours just for selecting and clicking. Below is a trick which will automatically select all your friends.
I assume that you’re viewing your Fan page on Firefox.
4.1 Right-click on the box => This Frame => Open Frame in New Tab
Open Facebook Suggest to Friends on new tab
4.2 Copy the Javascript code below and Paste on the Address bar then press Enter.
javascript:elms=document.getElementById('friends').getElementsByTagName('li');for(var fid in elms){if(typeof elms[fid] === 'object'){fs.click(elms[fid]);}}
Facebook Send Invitations
It automatically selects all your friend in the box.
Note: if you have lot of friends, it may takes long time to do the selection.
4.3 Click on Send Recommendations button.
You also have to wait to sends invitations to your friends. The more friends you have, the longer will take.
That’s all, you’re done and wait for new fans on your page
