Brings the discuss button back to the Scratch Website.

discuss.user.js

// ==UserScript==
// @name         Scratch 2.0 Discuss Button Fix
// @namespace    http://garethpw.net
// @version      1.1
// @description  Brings back the discuss button on the site header because removing it was illogical.
// @author       Gareth Welch
// @include      /^https?:\/\/scratch\.mit\.edu
// ==/UserScript==

(function() {
  var nav = document.querySelector("#topnav ul.site-nav, #navigation .inner>ul");

  var discuss = document.createElement("li");
  var discuss_a = discuss.appendChild( document.createElement('a') );
  discuss_a.setAttribute("href", "/discuss/");
  discuss_a.innerText = "Discuss";

  if (nav.className === "site-nav") {
      nav.insertBefore(discuss, nav.children[2]);
  } else {
      discuss.className = "link discuss";
      nav.insertBefore(discuss, nav.querySelector("li.tips"));
  }
})();