diff --git a/4chan_x.user.js b/4chan_x.user.js
index 2339419a0..f0e683707 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -61,7 +61,7 @@
  */
 
 (function() {
-  var $, $$, DAY, Favicon, HOUR, MINUTE, Main, NAMESPACE, QR, SECOND, Time, anonymize, conf, config, d, expandComment, expandThread, filter, firstRun, flatten, g, getTitle, imgExpand, imgGif, imgHover, imgPreloading, key, keybinds, log, nav, options, pathname, quoteBacklink, quoteInline, quoteOP, quotePreview, redirect, replyHiding, reportButton, revealSpoilers, sauce, temp, threadHiding, threadStats, threading, titlePost, ui, unread, updater, val, watcher;
+  var $, $$, DAY, Favicon, HOUR, MINUTE, Main, NAMESPACE, QR, SECOND, Time, anonymize, conf, config, d, expandComment, expandThread, filter, firstRun, flatten, g, getTitle, imgExpand, imgGif, imgHover, imgPreloading, key, keybinds, log, nav, options, quoteBacklink, quoteInline, quoteOP, quotePreview, redirect, replyHiding, reportButton, revealSpoilers, sauce, threadHiding, threadStats, threading, titlePost, ui, unread, updater, val, watcher;
   var __slice = Array.prototype.slice;
   config = {
     main: {
@@ -232,19 +232,11 @@
     drag: function(e) {
       var bottom, left, right, style, top;
       left = e.clientX - ui.dx;
-      if (left < 10) {
-        left = '0';
-      } else if (ui.width - left < 10) {
-        left = null;
-      }
-      right = left ? null : 0;
       top = e.clientY - ui.dy;
-      if (top < 10) {
-        top = '0';
-      } else if (ui.height - top < 10) {
-        top = null;
-      }
-      bottom = top ? null : 0;
+      left = left < 10 ? 0 : ui.width - left < 10 ? null : left;
+      top = top < 10 ? 0 : ui.height - top < 10 ? null : top;
+      right = left === null ? 0 : null;
+      bottom = top === null ? 0 : null;
       style = ui.el.style;
       style.top = top;
       style.right = right;
@@ -275,7 +267,7 @@
         return style.right = clientWidth - clientX + 45;
       }
     },
-    hoverend: function(e) {
+    hoverend: function() {
       return ui.el.parentNode.removeChild(ui.el);
     }
   };
@@ -510,14 +502,6 @@
     val = conf[key];
     conf[key] = $.get(key, val);
   }
-  pathname = location.pathname.substring(1).split('/');
-  g.BOARD = pathname[0], temp = pathname[1];
-  if (temp === 'res') {
-    g.REPLY = temp;
-    g.THREAD_ID = pathname[2];
-  } else {
-    g.PAGENUM = parseInt(temp) || 0;
-  }
   $$ = function(selector, root) {
     if (root == null) {
       root = d.body;
@@ -684,14 +668,14 @@
       return _results;
     },
     cb: {
-      toggle: function(e) {
+      toggle: function() {
         var thread;
         thread = this.parentNode;
         return expandThread.toggle(thread);
       }
     },
     toggle: function(thread) {
-      var a, backlink, num, prev, table, threadID, _i, _len, _ref, _ref2, _results;
+      var a, backlink, num, pathname, prev, table, threadID, _i, _len, _ref, _ref2, _results;
       threadID = thread.firstChild.id;
       pathname = "/" + g.BOARD + "/res/" + threadID;
       a = $('.omittedposts', thread);
@@ -794,12 +778,12 @@
       });
     },
     cb: {
-      hide: function(e) {
+      hide: function() {
         var reply;
         reply = this.parentNode.nextSibling;
         return replyHiding.hide(reply);
       },
-      show: function(e) {
+      show: function() {
         var div, table;
         div = this.parentNode;
         table = div.nextSibling;
@@ -1354,7 +1338,7 @@
       options.time.call(time);
       return options.backlink.call(back);
     },
-    clearHidden: function(e) {
+    clearHidden: function() {
       $["delete"]("hiddenReplies/" + g.BOARD + "/");
       $["delete"]("hiddenThreads/" + g.BOARD + "/");
       this.textContent = "hidden: 0";
@@ -1370,14 +1354,14 @@
       $.set(this.name, key);
       return conf[this.name] = key;
     },
-    time: function(e) {
+    time: function() {
       $.set('time', this.value);
       conf['time'] = this.value;
       Time.foo();
       Time.date = new Date();
       return $('#timePreview').textContent = Time.funk(Time);
     },
-    backlink: function(e) {
+    backlink: function() {
       $.set('backlink', this.value);
       conf['backlink'] = this.value;
       return $('#backlinkPreview').textContent = conf['backlink'].replace(/%id/, '123456789');
@@ -1734,6 +1718,7 @@
     },
     sys: function() {
       var recaptcha;
+      $.unbind(d, 'DOMContentLoaded', QR.sys);
       if (recaptcha = $('#recaptcha_response_field')) {
         $.bind(recaptcha, 'keydown', QR.keydown);
         return;
@@ -1806,7 +1791,7 @@
     init: function() {
       var a, hiddenThreads, op, thread, _i, _len, _ref, _results;
       hiddenThreads = $.get("hiddenThreads/" + g.BOARD + "/", {});
-      _ref = $$('div.thread');
+      _ref = $$('.thread');
       _results = [];
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         thread = _ref[_i];
@@ -1821,12 +1806,12 @@
       return _results;
     },
     cb: {
-      hide: function(e) {
+      hide: function() {
         var thread;
         thread = this.parentNode.parentNode;
         return threadHiding.hide(thread);
       },
-      show: function(e) {
+      show: function() {
         var thread;
         thread = this.parentNode.parentNode;
         return threadHiding.show(thread);
@@ -2093,10 +2078,10 @@
       return _results;
     },
     cb: {
-      toggle: function(e) {
+      toggle: function() {
         return watcher.toggle(this.parentNode);
       },
-      x: function(e) {
+      x: function() {
         var board, id, _, _ref;
         _ref = this.nextElementSibling.getAttribute('href').substring(1).split('/'), board = _ref[0], _ = _ref[1], id = _ref[2];
         return watcher.unwatch(board, id);
@@ -2191,15 +2176,20 @@
   };
   Time = {
     init: function() {
+      var chanOffset;
       Time.foo();
+      chanOffset = 5 - new Date().getTimezoneOffset() / 60;
+      if ($.isDST()) {
+        chanOffset--;
+      }
       this.parse = Date.parse('10/11/11(Tue)18:53') ? function(node) {
-        return new Date(Date.parse(node.textContent) + g.chanOffset * HOUR);
+        return new Date(Date.parse(node.textContent) + chanOffset * HOUR);
       } : function(node) {
         var day, hour, min, month, year, _, _ref;
         _ref = node.textContent.match(/(\d+)\/(\d+)\/(\d+)\(\w+\)(\d+):(\d+)/), _ = _ref[0], month = _ref[1], day = _ref[2], year = _ref[3], hour = _ref[4], min = _ref[5];
         year = "20" + year;
         month -= 1;
-        hour = g.chanOffset + Number(hour);
+        hour = chanOffset + Number(hour);
         return new Date(year, month, day, hour, min);
       };
       return g.callbacks.push(Time.node);
@@ -2400,7 +2390,7 @@
       return this.classList.toggle('inlined');
     },
     add: function(q, id) {
-      var el, inline, root, threadID;
+      var el, inline, pathname, root, threadID;
       root = q.parentNode.nodeName === 'FONT' ? q.parentNode : q.nextSibling ? q.nextSibling : q;
       if (el = $.id(id)) {
         inline = quoteInline.table(id, el.innerHTML);
@@ -2658,7 +2648,7 @@
         return Favicon.update();
       }
     },
-    scroll: function(e) {
+    scroll: function() {
       var bottom, height, i, reply, _len, _ref;
       updater.focus = true;
       height = d.body.clientHeight;
@@ -2765,7 +2755,7 @@
         return $.bind(thumb, 'mouseout', ui.hoverend);
       });
     },
-    mouseover: function(e) {
+    mouseover: function() {
       ui.el = $.el('img', {
         id: 'iHover',
         src: this.parentNode.href
@@ -2775,15 +2765,43 @@
   };
   imgPreloading = {
     init: function() {
-      return g.callbacks.push(function(root) {
-        var el, src, thumb;
-        if (!(thumb = $('img[md5]', root))) {
-          return;
-        }
-        src = thumb.parentNode.href;
-        return el = $.el('img', {
-          src: src
+      var controls, form, label;
+      if (!(controls = $.id('imgControls'))) {
+        controls = $.el('div', {
+          id: 'imgControls'
         });
+        form = $('body > form');
+        $.prepend(form, controls);
+      }
+      label = $.el('label', {
+        innerHTML: 'Preload Images<input type=checkbox id=imagePreload>'
+      });
+      $.bind($('input', label), 'click', imgPreloading.click);
+      $.add(controls, label);
+      return g.callbacks.push(imgPreloading.node);
+    },
+    click: function() {
+      var thumb, _i, _len, _ref, _results;
+      if (imgPreloading.on = this.checked) {
+        _ref = $$('img[md5]:last-child');
+        _results = [];
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          thumb = _ref[_i];
+          _results.push(imgPreloading.preload(thumb));
+        }
+        return _results;
+      }
+    },
+    node: function(root) {
+      var thumb;
+      if (!(imgPreloading.on && (thumb = $('img[md5]:last-child', root)))) {
+        return;
+      }
+      return imgPreloading.preload(thumb);
+    },
+    preload: function(thumb) {
+      return $.el('img', {
+        src: thumb.parentNode.href
       });
     }
   };
@@ -2825,7 +2843,7 @@
         e.preventDefault();
         return imgExpand.toggle(this);
       },
-      all: function(e) {
+      all: function() {
         var thumb, _i, _j, _len, _len2, _ref, _ref2, _results, _results2;
         imgExpand.on = this.checked;
         if (imgExpand.on) {
@@ -2846,7 +2864,7 @@
           return _results2;
         }
       },
-      typeChange: function(e) {
+      typeChange: function() {
         var form, klass;
         switch (this.value) {
           case 'full':
@@ -2902,13 +2920,13 @@
       thumb.hidden = true;
       return $.add(a, img);
     },
-    error: function(e) {
+    error: function() {
       var req, thumb;
       thumb = this.previousSibling;
       imgExpand.contract(thumb);
       if (navigator.appName !== 'Opera') {
         req = $.ajax(this.src, null, 'head');
-        return req.onreadystatechange = function(e) {
+        return req.onreadystatechange = function() {
           if (this.status !== 404) {
             return setTimeout(imgExpand.retry, 10000, thumb);
           }
@@ -2923,7 +2941,7 @@
       }
     },
     dialog: function() {
-      var controls, delform, imageType, option, select, _i, _len, _ref;
+      var controls, form, imageType, option, select, _i, _len, _ref;
       controls = $.el('div', {
         id: 'imgControls',
         innerHTML: "<select id=imageType name=imageType><option>full</option><option>fit width</option><option>fit height</option><option>fit screen</option></select>        <label>Expand Images<input type=checkbox id=imageExpand></label>"
@@ -2942,8 +2960,8 @@
       $.bind(select, 'change', $.cb.value);
       $.bind(select, 'change', imgExpand.cb.typeChange);
       $.bind($('input', controls), 'click', imgExpand.cb.all);
-      delform = $('form[name=delform]');
-      return $.prepend(delform, controls);
+      form = $('body > form');
+      return $.prepend(form, controls);
     },
     resize: function() {
       return imgExpand.style.innerHTML = ".fitheight img + img {max-height:" + d.body.clientHeight + "px;}";
@@ -2971,30 +2989,29 @@
   };
   Main = {
     init: function() {
-      var cutoff, hiddenThreads, id, lastChecked, nodes, now, timestamp, tzOffset, _ref;
-      $.unbind(document, 'DOMContentLoaded', Main.init);
+      var cutoff, hiddenThreads, id, lastChecked, now, pathname, temp, timestamp, _ref;
       if (location.hostname === 'sys.4chan.org') {
-        QR.sys();
-        return;
-      }
-      if (conf['404 Redirect'] && d.title === '4chan - 404' && /^\d+$/.test(g.THREAD_ID)) {
-        redirect();
-        return;
-      }
-      if (!$('#navtopr')) {
+        if (d.body) {
+          QR.sys();
+        } else {
+          $.bind(d, 'DOMContentLoaded', QR.sys);
+        }
         return;
       }
       $.bind(window, 'message', Main.message);
-      Favicon.init();
-      g.hiddenReplies = $.get("hiddenReplies/" + g.BOARD + "/", {});
-      tzOffset = (new Date()).getTimezoneOffset() / 60;
-      g.chanOffset = 5 - tzOffset;
-      if ($.isDST()) {
-        g.chanOffset--;
+      pathname = location.pathname.substring(1).split('/');
+      g.BOARD = pathname[0], temp = pathname[1];
+      if (temp === 'res') {
+        g.REPLY = temp;
+        g.THREAD_ID = pathname[2];
+      } else {
+        g.PAGENUM = parseInt(temp) || 0;
       }
+      g.hiddenReplies = $.get("hiddenReplies/" + g.BOARD + "/", {});
       lastChecked = $.get('lastChecked', 0);
       now = Date.now();
-      if (lastChecked < now - 1 * DAY) {
+      Main.reqUpdate = lastChecked < now - 1 * DAY;
+      if (Main.reqUpdate) {
         $.set('lastChecked', now);
         cutoff = now - 7 * DAY;
         hiddenThreads = $.get("hiddenThreads/" + g.BOARD + "/", {});
@@ -3014,19 +3031,14 @@
         $.set("hiddenThreads/" + g.BOARD + "/", hiddenThreads);
         $.set("hiddenReplies/" + g.BOARD + "/", g.hiddenReplies);
       }
-      $.addStyle(Main.css);
-      threading.init();
       if (conf['Filter']) {
         filter.init();
       }
       if (conf['Reply Hiding']) {
         replyHiding.init();
       }
-      if (conf['Image Expansion']) {
-        imgExpand.init();
-      }
-      if (conf['Image Auto-Gif']) {
-        imgGif.init();
+      if (conf['Anonymize']) {
+        anonymize.init();
       }
       if (conf['Time Formatting']) {
         Time.init();
@@ -3034,18 +3046,12 @@
       if (conf['Sauce']) {
         sauce.init();
       }
-      if (conf['Reveal Spoilers'] && $('.postarea label')) {
-        revealSpoilers.init();
-      }
-      if (conf['Anonymize']) {
-        anonymize.init();
+      if (conf['Image Auto-Gif']) {
+        imgGif.init();
       }
       if (conf['Image Hover']) {
         imgHover.init();
       }
-      if (conf['Quick Reply']) {
-        QR.init();
-      }
       if (conf['Report Button']) {
         reportButton.init();
       }
@@ -3061,6 +3067,39 @@
       if (conf['Indicate OP quote']) {
         quoteOP.init();
       }
+      if (g.REPLY) {
+        if (conf['Image Preloading']) {
+          imgPreloading.init();
+        }
+      }
+      if (d.body) {
+        return Main.onLoad();
+      } else {
+        return $.bind(d, 'DOMContentLoaded', Main.onLoad);
+      }
+    },
+    onLoad: function() {
+      var nodes;
+      $.unbind(d, 'DOMContentLoaded', Main.onLoad);
+      if (conf['404 Redirect'] && d.title === '4chan - 404' && /^\d+$/.test(g.THREAD_ID)) {
+        redirect();
+        return;
+      }
+      if (!$('#navtopr')) {
+        return;
+      }
+      $.addStyle(Main.css);
+      threading.init();
+      Favicon.init();
+      if (conf['Image Expansion']) {
+        imgExpand.init();
+      }
+      if (conf['Reveal Spoilers'] && $('.postarea label')) {
+        revealSpoilers.init();
+      }
+      if (conf['Quick Reply']) {
+        QR.init();
+      }
       if (conf['Thread Watcher']) {
         watcher.init();
       }
@@ -3071,34 +3110,31 @@
         if (conf['Thread Updater']) {
           updater.init();
         }
-        if (conf['Image Preloading']) {
-          imgPreloading.init();
-        }
-        if (conf['Post in Title']) {
-          titlePost.init();
-        }
         if (conf['Thread Stats']) {
           threadStats.init();
         }
-        if (conf['Unread Count']) {
-          unread.init();
-        }
         if (conf['Reply Navigation']) {
           nav.init();
         }
+        if (conf['Post in Title']) {
+          titlePost.init();
+        }
+        if (conf['Unread Count']) {
+          unread.init();
+        }
       } else {
         if (conf['Thread Hiding']) {
           threadHiding.init();
         }
-        if (conf['Index Navigation']) {
-          nav.init();
-        }
         if (conf['Thread Expansion']) {
           expandThread.init();
         }
         if (conf['Comment Expansion']) {
           expandComment.init();
         }
+        if (conf['Index Navigation']) {
+          nav.init();
+        }
       }
       nodes = $$('.op, a + table');
       g.callbacks.forEach(function(callback) {
@@ -3396,9 +3432,5 @@
       }\
     '
   };
-  if (d.body) {
-    Main.init();
-  } else {
-    $.bind(d, 'DOMContentLoaded', Main.init);
-  }
+  Main.init();
 }).call(this);
diff --git a/changelog b/changelog
index 7863bc30c..50be5269a 100644
--- a/changelog
+++ b/changelog
@@ -1,11 +1,12 @@
 master
 - mayhem
   initiate 4chan X earlier
+  performance improvements
+  regular expressions based filter
+  do not preload images automatically
   automatically reload expanded pictures on error
   update archives redirections for /diy/, /pol/ and /sci/
-  regular expressions based filter
   handle bans with the thread updater
-  performance improvements
 - aeosynth
   quick reply redesign
 
diff --git a/script.coffee b/script.coffee
index cfb587623..b18d2ced3 100644
--- a/script.coffee
+++ b/script.coffee
@@ -152,13 +152,17 @@ ui =
     ui.height = d.body.clientHeight - el.offsetHeight
   drag: (e) ->
     left = e.clientX - ui.dx
-    if left < 10 then left = '0'
-    else if ui.width - left < 10 then left = null
-    right = if left then null else 0
     top = e.clientY - ui.dy
-    if top < 10 then top = '0'
-    else if ui.height - top < 10 then top = null
-    bottom = if top then null else 0
+    left =
+      if left < 10 then 0
+      else if ui.width - left < 10 then null
+      else left
+    top =
+      if top < 10 then 0
+      else if ui.height - top < 10 then null
+      else top
+    right = if left is null then 0 else null
+    bottom = if top is null then 0 else null
     #using null instead of '' is 4% faster
     #these 4 statements are 40% faster than 1 style.cssText
     {style} = ui.el
@@ -197,7 +201,7 @@ ui =
       style.left  = null
       style.right = clientWidth - clientX + 45
 
-  hoverend: (e) ->
+  hoverend: ->
     ui.el.parentNode.removeChild ui.el
 
 ###
@@ -370,14 +374,6 @@ else
 for key, val of conf
   conf[key] = $.get key, val
 
-pathname = location.pathname.substring(1).split('/')
-[g.BOARD, temp] = pathname
-if temp is 'res'
-  g.REPLY = temp
-  g.THREAD_ID = pathname[2]
-else
-  g.PAGENUM = parseInt(temp) or 0
-
 $$ = (selector, root=d.body) ->
   Array::slice.call root.querySelectorAll selector
 
@@ -480,7 +476,7 @@ expandThread =
       $.replace span, a
 
   cb:
-    toggle: (e) ->
+    toggle: ->
       thread = @parentNode
       expandThread.toggle thread
 
@@ -560,11 +556,11 @@ replyHiding =
         replyHiding.hide reply
 
   cb:
-    hide: (e) ->
+    hide: ->
       reply = @parentNode.nextSibling
       replyHiding.hide reply
 
-    show: (e) ->
+    show: ->
       div = @parentNode
       table = div.nextSibling
       replyHiding.show table
@@ -987,7 +983,7 @@ options =
     options.time.call     time
     options.backlink.call back
 
-  clearHidden: (e) ->
+  clearHidden: ->
     #'hidden' might be misleading; it's the number of IDs we're *looking* for,
     # not the number of posts actually hidden on the page.
     $.delete "hiddenReplies/#{g.BOARD}/"
@@ -1001,13 +997,13 @@ options =
     @value = key
     $.set @name, key
     conf[@name] = key
-  time: (e) ->
+  time: ->
     $.set 'time', @value
     conf['time'] = @value
     Time.foo()
     Time.date = new Date()
     $('#timePreview').textContent = Time.funk Time
-  backlink: (e) ->
+  backlink: ->
     $.set 'backlink', @value
     conf['backlink'] = @value
     $('#backlinkPreview').textContent = conf['backlink'].replace /%id/, '123456789'
@@ -1292,6 +1288,7 @@ QR =
       if $('img.favicon', op).src is Favicon.empty
         watcher.watch op, id
   sys: ->
+    $.unbind d, 'DOMContentLoaded', QR.sys
     if recaptcha = $ '#recaptcha_response_field' #post reporting
       $.bind recaptcha, 'keydown', QR.keydown
       return
@@ -1349,7 +1346,7 @@ threading =
 threadHiding =
   init: ->
     hiddenThreads = $.get "hiddenThreads/#{g.BOARD}/", {}
-    for thread in $$ 'div.thread'
+    for thread in $$ '.thread'
       op = thread.firstChild
       a = $.el 'a',
         textContent: '[ - ]'
@@ -1360,10 +1357,10 @@ threadHiding =
         threadHiding.hideHide thread
 
   cb:
-    hide: (e) ->
+    hide: ->
       thread = @parentNode.parentNode
       threadHiding.hide thread
-    show: (e) ->
+    show: ->
       thread = @parentNode.parentNode
       threadHiding.show thread
 
@@ -1589,9 +1586,9 @@ watcher =
         favicon.src = Favicon.empty
 
   cb:
-    toggle: (e) ->
+    toggle: ->
       watcher.toggle @parentNode
-    x: (e) ->
+    x: ->
       [board, _, id] = @nextElementSibling
         .getAttribute('href').substring(1).split('/')
       watcher.unwatch board, id
@@ -1659,16 +1656,21 @@ Time =
   init: ->
     Time.foo()
 
+    # GMT -8 is given as +480; would GMT +8 be -480 ?
+    chanOffset = 5 - new Date().getTimezoneOffset() / 60
+    # 4chan = EST = GMT -5
+    chanOffset-- if $.isDST()
+
     @parse =
       if Date.parse '10/11/11(Tue)18:53'
-        (node) -> new Date Date.parse(node.textContent) + g.chanOffset*HOUR
+        (node) -> new Date Date.parse(node.textContent) + chanOffset*HOUR
       else # Firefox the Archaic cannot parse 4chan's time
         (node) ->
           [_, month, day, year, hour, min] =
             node.textContent.match /(\d+)\/(\d+)\/(\d+)\(\w+\)(\d+):(\d+)/
           year = "20#{year}"
           month -= 1 #months start at 0
-          hour = g.chanOffset + Number hour
+          hour = chanOffset + Number hour
           new Date year, month, day, hour, min
 
     g.callbacks.push Time.node
@@ -1964,7 +1966,7 @@ unread =
     if unread.replies.length is 1
       Favicon.update()
 
-  scroll: (e) ->
+  scroll: ->
     updater.focus = true
     height = d.body.clientHeight
     for reply, i in unread.replies
@@ -2036,7 +2038,7 @@ imgHover =
       $.bind thumb, 'mouseover', imgHover.mouseover
       $.bind thumb, 'mousemove', ui.hover
       $.bind thumb, 'mouseout',  ui.hoverend
-  mouseover: (e) ->
+  mouseover: ->
     ui.el = $.el 'img'
       id: 'iHover'
       src: @parentNode.href
@@ -2044,10 +2046,28 @@ imgHover =
 
 imgPreloading =
   init: ->
-    g.callbacks.push (root) ->
-      return unless thumb = $ 'img[md5]', root
-      src = thumb.parentNode.href
-      el = $.el 'img', { src }
+    unless controls = $.id 'imgControls'
+      controls = $.el 'div',
+        id: 'imgControls'
+      form = $ 'body > form'
+      $.prepend form, controls
+
+    label = $.el 'label',
+      innerHTML: 'Preload Images<input type=checkbox id=imagePreload>'
+    $.bind $('input', label), 'click', imgPreloading.click
+    $.add controls, label
+
+    g.callbacks.push imgPreloading.node
+
+  click: ->
+    if imgPreloading.on = @checked
+      for thumb in $$ 'img[md5]:last-child'
+        imgPreloading.preload thumb
+  node: (root) ->
+    return unless imgPreloading.on and thumb = $ 'img[md5]:last-child', root
+    imgPreloading.preload thumb
+  preload: (thumb) ->
+    $.el 'img', src: thumb.parentNode.href
 
 imgGif =
   init: ->
@@ -2072,7 +2092,7 @@ imgExpand =
       return if e.shiftKey or e.altKey or e.ctrlKey or e.button isnt 0
       e.preventDefault()
       imgExpand.toggle @
-    all: (e) ->
+    all: ->
       imgExpand.on = @checked
       if imgExpand.on #expand
         for thumb in $$ 'img[md5]:not([hidden])'
@@ -2080,7 +2100,7 @@ imgExpand =
       else #contract
         for thumb in $$ 'img[md5][hidden]'
           imgExpand.contract thumb
-    typeChange: (e) ->
+    typeChange: ->
       switch @value
         when 'full'
           klass = ''
@@ -2123,13 +2143,13 @@ imgExpand =
     thumb.hidden = true
     $.add a, img
 
-  error: (e) ->
+  error: ->
     thumb = @previousSibling
     imgExpand.contract thumb
     #navigator.online is not x-browser/os yet
     if navigator.appName isnt 'Opera'
       req = $.ajax @src, null, 'head'
-      req.onreadystatechange = (e) -> setTimeout imgExpand.retry, 10000, thumb if @status isnt 404
+      req.onreadystatechange = -> setTimeout imgExpand.retry, 10000, thumb if @status isnt 404
     else unless g.dead
       setTimeout imgExpand.retry, 10000, thumb
   retry: (thumb) ->
@@ -2152,8 +2172,8 @@ imgExpand =
     $.bind select, 'change', imgExpand.cb.typeChange
     $.bind $('input', controls), 'click', imgExpand.cb.all
 
-    delform = $ 'form[name=delform]'
-    $.prepend delform, controls
+    form = $ 'body > form'
+    $.prepend form, controls
 
   resize: ->
     imgExpand.style.innerHTML = ".fitheight img + img {max-height:#{d.body.clientHeight}px;}"
@@ -2240,28 +2260,30 @@ firstRun =
 
 Main =
   init: ->
-    $.unbind document, 'DOMContentLoaded', Main.init
     if location.hostname is 'sys.4chan.org'
-      QR.sys()
-      return
-    if conf['404 Redirect'] and d.title is '4chan - 404' and /^\d+$/.test g.THREAD_ID
-      redirect()
-      return
-    if not $ '#navtopr'
+      if d.body
+        QR.sys()
+      else
+        $.bind d, 'DOMContentLoaded', QR.sys
       return
 
     $.bind window, 'message', Main.message
-    Favicon.init()
+
+    pathname = location.pathname.substring(1).split('/')
+    [g.BOARD, temp] = pathname
+    if temp is 'res'
+      g.REPLY = temp
+      g.THREAD_ID = pathname[2]
+    else
+      g.PAGENUM = parseInt(temp) or 0
+
     g.hiddenReplies = $.get "hiddenReplies/#{g.BOARD}/", {}
-    tzOffset = (new Date()).getTimezoneOffset() / 60
-    # GMT -8 is given as +480; would GMT +8 be -480 ?
-    g.chanOffset = 5 - tzOffset
-    # 4chan = EST = GMT -5
-    g.chanOffset-- if $.isDST()
 
     lastChecked = $.get 'lastChecked', 0
     now = Date.now()
-    if lastChecked < now - 1*DAY
+    Main.reqUpdate = lastChecked < now - 1*DAY
+
+    if Main.reqUpdate
       $.set 'lastChecked', now
 
       cutoff = now - 7*DAY
@@ -2278,22 +2300,16 @@ Main =
       $.set "hiddenThreads/#{g.BOARD}/", hiddenThreads
       $.set "hiddenReplies/#{g.BOARD}/", g.hiddenReplies
 
-    $.addStyle Main.css
 
     #major features
-    threading.init()
-
     if conf['Filter']
       filter.init()
 
     if conf['Reply Hiding']
       replyHiding.init()
 
-    if conf['Image Expansion']
-      imgExpand.init()
-
-    if conf['Image Auto-Gif']
-      imgGif.init()
+    if conf['Anonymize']
+      anonymize.init()
 
     if conf['Time Formatting']
       Time.init()
@@ -2301,18 +2317,12 @@ Main =
     if conf['Sauce']
       sauce.init()
 
-    if conf['Reveal Spoilers'] and $('.postarea label')
-      revealSpoilers.init()
-
-    if conf['Anonymize']
-      anonymize.init()
+    if conf['Image Auto-Gif']
+      imgGif.init()
 
     if conf['Image Hover']
       imgHover.init()
 
-    if conf['Quick Reply']
-      QR.init()
-
     if conf['Report Button']
       reportButton.init()
 
@@ -2328,6 +2338,38 @@ Main =
     if conf['Indicate OP quote']
       quoteOP.init()
 
+    if g.REPLY
+      if conf['Image Preloading']
+        imgPreloading.init()
+
+
+    if d.body
+      Main.onLoad()
+    else
+      $.bind d, 'DOMContentLoaded', Main.onLoad
+
+  onLoad: ->
+    $.unbind d, 'DOMContentLoaded', Main.onLoad
+    if conf['404 Redirect'] and d.title is '4chan - 404' and /^\d+$/.test g.THREAD_ID
+      redirect()
+      return
+    if not $ '#navtopr'
+      return
+    $.addStyle Main.css
+    threading.init()
+    Favicon.init()
+
+
+    #major features
+    if conf['Image Expansion']
+      imgExpand.init()
+
+    if conf['Reveal Spoilers'] and $('.postarea label')
+      revealSpoilers.init()
+
+    if conf['Quick Reply']
+      QR.init()
+
     if conf['Thread Watcher']
       watcher.init()
 
@@ -2338,34 +2380,32 @@ Main =
       if conf['Thread Updater']
         updater.init()
 
-      if conf['Image Preloading']
-        imgPreloading.init()
-
-      if conf['Post in Title']
-        titlePost.init()
-
       if conf['Thread Stats']
         threadStats.init()
 
-      if conf['Unread Count']
-        unread.init()
-
       if conf['Reply Navigation']
         nav.init()
 
+      if conf['Post in Title']
+        titlePost.init()
+
+      if conf['Unread Count']
+        unread.init()
+
     else #not reply
       if conf['Thread Hiding']
         threadHiding.init()
 
-      if conf['Index Navigation']
-        nav.init()
-
       if conf['Thread Expansion']
         expandThread.init()
 
       if conf['Comment Expansion']
         expandComment.init()
 
+      if conf['Index Navigation']
+        nav.init()
+
+
     nodes = $$ '.op, a + table'
     g.callbacks.forEach (callback) ->
       try
@@ -2653,7 +2693,4 @@ Main =
       }
     '
 
-if d.body
-  Main.init()
-else
-  $.bind d, 'DOMContentLoaded', Main.init
+Main.init()