diff --git a/4chan_x.user.js b/4chan_x.user.js
index 9b0c61da7..f4efebb70 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -609,6 +609,10 @@
       g.boards[this.ID] = this;
     }
 
+    Board.prototype.toString = function() {
+      return this.ID;
+    };
+
     return Board;
 
   })();
@@ -673,11 +677,56 @@
       if (g.REPLY = pathname[2] === 'res') {
         g.THREAD = +pathname[3];
       }
-      Main.addStyle();
-      return $.ready(Main.ready);
+      switch (location.hostname) {
+        case 'boards.4chan.org':
+          Main.addStyle();
+          Main.initHeader();
+          return Main.initFeatures();
+        case 'sys.4chan.org':
+          break;
+        case 'images.4chan.org':
+      }
     },
-    ready: function() {
+    initHeader: function() {
+      Main.header = $.el('div', {
+        className: 'reply',
+        innerHTML: '<div class=extra></div>'
+      });
+      return $.ready(Main.initHeaderReady);
+    },
+    initHeaderReady: function() {
+      var header, nav, settings, _ref, _ref1;
+      if (!$.id('navtopr')) {
+        return;
+      }
+      header = Main.header;
+      $.prepend(d.body, header);
+      nav = $.id('boardNavDesktop');
+      header.id = nav.id;
+      $.prepend(header, nav);
+      nav.id = nav.className = null;
+      nav.lastElementChild.hidden = true;
+      settings = $.el('span', {
+        id: 'settings',
+        innerHTML: '[<a href=javascript:;>Settings</a>]'
+      });
+      $.on(settings.firstElementChild, 'click', Main.settings);
+      $.add(nav, settings);
+      if ((_ref = $("a[href$='/" + g.BOARD + "/']", nav)) != null) {
+        _ref.className = 'current';
+      }
+      $.addClass(d.body, $.engine);
+      $.addClass(d.body, 'fourchan_x');
+      return (_ref1 = $.id('boardNavDesktopFoot')) != null ? _ref1.hidden = true : void 0;
+    },
+    initFeatures: function() {
+      return $.ready(Main.initFeaturesReady);
+    },
+    initFeaturesReady: function() {
       var board, child, thread, _i, _j, _len, _len1, _ref, _ref1;
+      if (!$.id('navtopr')) {
+        return;
+      }
       board = $('.board');
       _ref = board.children;
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
@@ -695,6 +744,9 @@
       }
       return $.log(g);
     },
+    settings: function() {
+      return alert('Here be settings');
+    },
     addStyle: function() {
       $.off(d, 'DOMNodeInserted', Main.addStyle);
       if (d.head) {
@@ -703,14 +755,7 @@
         return $.on(d, 'DOMNodeInserted', Main.addStyle);
       }
     },
-    css: '\
-.move {\
-  cursor: move;\
-}\
-label {\
-  cursor: pointer;\
-}\
-'
+    css: ".move {\n  cursor: move;\n}\nlabel {\n  cursor: pointer;\n}\n\nbody.fourchan_x {\n  margin-top: 2.5em;\n}\n#boardNavDesktop.reply {\n  border-width: 0 0 1px;\n  padding: 4px;\n  position: fixed;\n  top: 0;\n  right: 0;\n  left: 0;\n  transition: opacity .1s ease-in-out;\n  -o-transition: opacity .1s ease-in-out;\n  -moz-transition: opacity .1s ease-in-out;\n  -webkit-transition: opacity .1s ease-in-out;\n  z-index: 1;\n}\n#boardNavDesktop.reply:not(:hover) {\n  opacity: .4;\n  transition: opacity 1.5s .5s ease-in-out;\n  -o-transition: opacity 1.5s .5s ease-in-out;\n  -moz-transition: opacity 1.5s .5s ease-in-out;\n  -webkit-transition: opacity 1.5s .5s ease-in-out;\n}\n#boardNavDesktop.reply a {\n  margin: -1px;\n}\n#settings {\n  float: right;\n}"
   };
 
   Main.init();
diff --git a/script.coffee b/script.coffee
index 0f03b12d8..68b40fdb6 100644
--- a/script.coffee
+++ b/script.coffee
@@ -479,6 +479,8 @@ class Board
 
     g.boards[@ID] = @
 
+  toString: -> @ID
+
 class Thread
   constructor: (@root, @board) ->
     @ID = +root.id[1..]
@@ -518,10 +520,47 @@ Main =
     if g.REPLY = pathname[2] is 'res'
       g.THREAD = +pathname[3]
 
-    Main.addStyle()
+    switch location.hostname
+      when 'boards.4chan.org'
+        Main.addStyle()
+        Main.initHeader()
+        Main.initFeatures()
+      when 'sys.4chan.org'
+        return
+      when 'images.4chan.org'
+        return
 
-    $.ready Main.ready
-  ready: ->
+  initHeader: ->
+    Main.header = $.el 'div',
+      className: 'reply'
+      innerHTML: '<div class=extra></div>'
+    $.ready Main.initHeaderReady
+  initHeaderReady: ->
+    return unless $.id 'navtopr'
+    header = Main.header
+    $.prepend d.body, header
+
+    nav = $.id 'boardNavDesktop'
+    header.id = nav.id
+    $.prepend header, nav
+    nav.id = nav.className = null
+    nav.lastElementChild.hidden = true
+    settings = $.el 'span',
+      id: 'settings'
+      innerHTML: '[<a href=javascript:;>Settings</a>]'
+    $.on settings.firstElementChild, 'click', Main.settings
+    $.add nav, settings
+    $("a[href$='/#{g.BOARD}/']", nav)?.className = 'current'
+
+    $.addClass d.body, $.engine
+    $.addClass d.body, 'fourchan_x'
+
+    $.id('boardNavDesktopFoot')?.hidden = true
+
+  initFeatures: ->
+    $.ready Main.initFeaturesReady
+  initFeaturesReady: ->
+    return unless $.id 'navtopr'
     board = $ '.board'
     for child in board.children
       if child.className is 'thread'
@@ -531,19 +570,52 @@ Main =
             new Post child, thread, g.BOARD
     $.log g
 
+  settings: ->
+    alert 'Here be settings'
+
   addStyle: ->
     $.off d, 'DOMNodeInserted', Main.addStyle
     if d.head
       $.addStyle Main.css
     else
       $.on d, 'DOMNodeInserted', Main.addStyle
-  css: '
+  css: """
 .move {
   cursor: move;
 }
 label {
   cursor: pointer;
 }
-'
+
+body.fourchan_x {
+  margin-top: 2.5em;
+}
+#boardNavDesktop.reply {
+  border-width: 0 0 1px;
+  padding: 4px;
+  position: fixed;
+  top: 0;
+  right: 0;
+  left: 0;
+  transition: opacity .1s ease-in-out;
+  -o-transition: opacity .1s ease-in-out;
+  -moz-transition: opacity .1s ease-in-out;
+  -webkit-transition: opacity .1s ease-in-out;
+  z-index: 1;
+}
+#boardNavDesktop.reply:not(:hover) {
+  opacity: .4;
+  transition: opacity 1.5s .5s ease-in-out;
+  -o-transition: opacity 1.5s .5s ease-in-out;
+  -moz-transition: opacity 1.5s .5s ease-in-out;
+  -webkit-transition: opacity 1.5s .5s ease-in-out;
+}
+#boardNavDesktop.reply a {
+  margin: -1px;
+}
+#settings {
+  float: right;
+}
+"""
 
 Main.init()