select all friends in facebook during invitation

1. Go to the Facebook Event page itself, and find the "Select Guests to Invite" button.
2. Click the "Search by Name" dialogue button on the top right of the Friends pop-up box to select the list of friends.
3. Open the "list" of contacts you want to invite by selecting the name of the list.
4. scroll to the bottom of the list.
5. Copy the code given below.
6. Paste the Java Script code into your URL bar , without leaving the Invite Friends dialogue page and hit enter.
7. Wait some time as it takes a bit of time to sort through the list. Once the operation completes, you will see check marks beside all your friends in that list!

copy this code:


javascript:function check_all_in_document(doc){var c=new Array();c=doc.getElementsByTagName('input');for(var i=0;i<c.length;i++){if(c[i].type=='checkbox'){c[i].click();}}}check_all_in_document(window.document);for(var j=0;j<window.frames.length;j++){check_all_in_document(window.frames[j].document);}