YouTube homepage as it was meant to be

// ==UserScript==
// @name           YouTube homepage as it was meant to be
// @namespace      http://halext.org/
// @description    Remove the annoying YouTube spamvertised videos (Trends, Spotlight Videos) and brings the inbox overview back to the home page!
// @include        http://*.youtube.com/*
// @include        https://*.youtube.com/*
// ==/UserScript==

function count (responseString, folder)
{
 var match = responseString.match (new RegExp ('"' + folder + '": ([0-9]*)')) [1];
 return parseInt (match, 10);
}

function getToken (responseString)
{
 var match = responseString.match (/'XSRF_TOKEN': '([^']*)/) [1];
 return match;
}

spam_div = document.getElementById ('feedmodule-TOP');
if (spam_div)
 spam_div.parentNode.removeChild (spam_div);

if (document.getElementById ('homepage-side-content'))
{
 var secure = false;
 if (window.location.href.substr (0, 5) == "https")
  secure = true;
 var wdivp = document.getElementById ('homepage-side-content');
 wdivp.innerHTML = 'Loading inbox...';
 var base = 'http' + (secure ? 's' : '') + '://www.youtube.com/inbox?folder=messages&action_message=1#';
 var req1 = new XMLHttpRequest ();
 var req2 = new XMLHttpRequest ();
 req1.onreadystatechange = function ()
 {
  req2.onreadystatechange = function ()
  {
   var counts = req2.responseText;
   var cur_count;
   var wdiv = document.getElementById ('homepage-side-content');
   cur_count = count (counts, 'inbox');
   wdiv.innerHTML = '<div style="border-bottom: 1px solid #cccccc; color: #000000; font-size: 16px; font-weight: normal; padding-bottom: 4px">Inbox' + (cur_count ? ' <b>(' + cur_count + ')</b>' : '') + '</div>';
   wdiv.innerHTML += '<br />';
   cur_count = count (counts, 'messages');
   wdiv.innerHTML += (cur_count ? '<b>' : '') + '<a href="' + base + 'messages/1">Personal Messages (' + cur_count + ')</a>' + (cur_count ? '</b>' : '');
   wdiv.innerHTML += '<br />';
   cur_count = count (counts, 'videos');
   wdiv.innerHTML += (cur_count ? '<b>' : '') + '<a href="' + base + 'videos/1">Shared With You (' + cur_count + ')</a>' + (cur_count ? '</b>' : '');
   wdiv.innerHTML += '<br />';
   cur_count = count (counts, 'comments');
   wdiv.innerHTML += (cur_count ? '<b>' : '') + '<a href="' + base + 'comments/1">Comments (' + cur_count + ')</a>' + (cur_count ? '</b>' : '');
   wdiv.innerHTML += '<br />';
   cur_count = count (counts, 'invites');
   wdiv.innerHTML += (cur_count ? '<b>' : '') + '<a href="' + base + 'invites/1">Friend Invites (' + cur_count + ')</a>' + (cur_count ? '</b>' : '');
   wdiv.innerHTML += '<br />';
   cur_count = count (counts, 'responses');
   wdiv.innerHTML += (cur_count ? '<b>' : '') + '<a href="' + base + 'responses/1">Video Responses (' + cur_count + ')</a>' + (cur_count ? '</b>' : '');
  }
  req2.open ('POST', 'http' + (secure ? 's' : '') + '://www.youtube.com/inbox?action_ajax=1&folder=messages', true);
  req2.setRequestHeader ('Content-Type', 'application/x-www-form-urlencoded');
  req2.send ('session_token=' + getToken (req1.responseText) + '&messages=[{"type":"display_messages","request":{"folder":"messages","start":0,"num":20,"messages_deleted":[],"messages_read":[]}}]');
 }
 req1.open ('GET', base, true);
 req1.send ();
}