diff --git a/bootstrap-3.0.0/js/affix.js b/bootstrap-3.0.0/js/affix.js
new file mode 100644
index 0000000000000000000000000000000000000000..c7be96e1dd842f4506cd358853c37c186d88eb3e
--- /dev/null
+++ b/bootstrap-3.0.0/js/affix.js
@@ -0,0 +1,126 @@
+/* ========================================================================
+ * Bootstrap: affix.js v3.0.0
+ * http://twbs.github.com/bootstrap/javascript.html#affix
+ * ========================================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ======================================================================== */
+
+
++function ($) { "use strict";
+
+  // AFFIX CLASS DEFINITION
+  // ======================
+
+  var Affix = function (element, options) {
+    this.options = $.extend({}, Affix.DEFAULTS, options)
+    this.$window = $(window)
+      .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this))
+      .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
+
+    this.$element = $(element)
+    this.affixed  =
+    this.unpin    = null
+
+    this.checkPosition()
+  }
+
+  Affix.RESET = 'affix affix-top affix-bottom'
+
+  Affix.DEFAULTS = {
+    offset: 0
+  }
+
+  Affix.prototype.checkPositionWithEventLoop = function () {
+    setTimeout($.proxy(this.checkPosition, this), 1)
+  }
+
+  Affix.prototype.checkPosition = function () {
+    if (!this.$element.is(':visible')) return
+
+    var scrollHeight = $(document).height()
+    var scrollTop    = this.$window.scrollTop()
+    var position     = this.$element.offset()
+    var offset       = this.options.offset
+    var offsetTop    = offset.top
+    var offsetBottom = offset.bottom
+
+    if (typeof offset != 'object')         offsetBottom = offsetTop = offset
+    if (typeof offsetTop == 'function')    offsetTop    = offset.top()
+    if (typeof offsetBottom == 'function') offsetBottom = offset.bottom()
+
+    var affix = this.unpin   != null && (scrollTop + this.unpin <= position.top) ? false :
+                offsetBottom != null && (position.top + this.$element.height() >= scrollHeight - offsetBottom) ? 'bottom' :
+                offsetTop    != null && (scrollTop <= offsetTop) ? 'top' : false
+
+    if (this.affixed === affix) return
+    if (this.unpin) this.$element.css('top', '')
+
+    this.affixed = affix
+    this.unpin   = affix == 'bottom' ? position.top - scrollTop : null
+
+    this.$element.removeClass(Affix.RESET).addClass('affix' + (affix ? '-' + affix : ''))
+
+    if (affix == 'bottom') {
+      this.$element.offset({ top: document.body.offsetHeight - offsetBottom - this.$element.height() })
+    }
+  }
+
+
+  // AFFIX PLUGIN DEFINITION
+  // =======================
+
+  var old = $.fn.affix
+
+  $.fn.affix = function (option) {
+    return this.each(function () {
+      var $this   = $(this)
+      var data    = $this.data('bs.affix')
+      var options = typeof option == 'object' && option
+
+      if (!data) $this.data('bs.affix', (data = new Affix(this, options)))
+      if (typeof option == 'string') data[option]()
+    })
+  }
+
+  $.fn.affix.Constructor = Affix
+
+
+  // AFFIX NO CONFLICT
+  // =================
+
+  $.fn.affix.noConflict = function () {
+    $.fn.affix = old
+    return this
+  }
+
+
+  // AFFIX DATA-API
+  // ==============
+
+  $(window).on('load', function () {
+    $('[data-spy="affix"]').each(function () {
+      var $spy = $(this)
+      var data = $spy.data()
+
+      data.offset = data.offset || {}
+
+      if (data.offsetBottom) data.offset.bottom = data.offsetBottom
+      if (data.offsetTop)    data.offset.top    = data.offsetTop
+
+      $spy.affix(data)
+    })
+  })
+
+}(window.jQuery);