Gendou.com - Sub-Forums Menu

Add new menu for easy navigating between sub-forums

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name           Gendou.com - Sub-Forums Menu
// @namespace      http://loucypher.wordpress.com/
// @include        http://gendou.com/*
// @include        http://animesheep.com/*
// @description    Add new menu for easy navigating between sub-forums
// @version 0.0.1.20140630034959
// ==/UserScript==

(function() { 
  var ID = [8, 1, 11, 4, 10, 5, 7, 12, 15, 13, 2, 3, 14, 6];
  var topics = ["Help", "Anime", "Game", "Music", "Report Problems",
    "\u65e5\u672c\u8a9e", "Japan", "Introduce Yourself", "Philosophy",
    "Gendou City", "Physics", "Programming", "Waste of Time", "Other"]

  var XPath = "//div[@id='navPanel']/ul[@class='navHorizontal']" + 
              "/li/a[contains(@href, '/forum/search.php')]/parent::li";
  var forumMenu = document.evaluate(XPath, document, null, 9, null)
                          .singleNodeValue;
  if (!forumMenu) return;

  var forumLink = addLink("http://gendou.com/forum/", "Sub-Forums");
  var newMenu = insertMenu(forumMenu.nextSibling, forumLink);
  var newSubMenu = addSubMenu(newMenu);

  var link, menu;
  for (var i in ID) {
    link = addLink("http://gendou.com/forum/topic.php?top=" + ID[i], topics[i]);
    link.style.display = "block";
    if (location == link.href) {
      link.style.fontWeight = "bold";
      link.style.color = "white";
      link.title = "You are here!";
    }
    menu = addMenu(newSubMenu, link);
  }

  function insertMenu(aNode, aChild) {
    var mi = aNode.parentNode.insertBefore(document.createElement("li"),
                                           aNode);
    mi.appendChild(aChild);
    return mi;
  }

  function addSubMenu(aNode) {
    var mp = aNode.appendChild(document.createElement("ul"));
    mp.className = "navVertical";
    return mp;
  }

  function addMenu(aNode, aChild) {
    var mi = aNode.appendChild(document.createElement("li"));
    mi.appendChild(aChild);
    return mi;
  }

  function addLink(aURL, aText) {
    var lnk = document.createElement("a");
    lnk.href = aURL;
    lnk.textContent = aText;
    return lnk;
  }
})();