GameFAQs - Private Board User Profile Invite button descr
// ==UserScript==
// @name GameFAQs - Private Board User Profile Invite button
// @namespace http://userscripts.org/scripts/source/181912.user.js
// @description GameFAQs - Private Board User Profile Invite button descr
// @include http://www.gamefaqs.com/community/*/boards
// @version 1.11
// @grant none
// ==/UserScript==
var board = "848"; //Enter the board number you are admin of here
//Do not edit below this line unless you know what you're doing.
var tbody = document.getElementsByTagName('tbody')[0];
var user = tbody.getElementsByTagName('td')[1];
var username = user.innerHTML;
var user_key = document.forms[1].key.value;
document.getElementsByClassName("span12")[0].innerHTML+=' <form action="http://www.gamefaqs.com/boardaction/848-?admin=1" method="post" style="display:inline;margin:0;padding:0;" name="gm_invite">'
+ '<input type="hidden" name="target_text" value="'+username+'" /><input type="hidden" name="key" value="'+user_key+'"><input type="hidden" name="action" value="addmember" /></form>'
+ '<input type="button" onclick="document.forms[\'gm_invite\'].submit();" value="Invite" />';