diff --git a/bootstrap-3.0.0/js/dropdown.js b/bootstrap-3.0.0/js/dropdown.js
new file mode 100644
index 0000000000000000000000000000000000000000..6093f11a87593d4a1d9885bda469d24a3f208b0f
--- /dev/null
+++ b/bootstrap-3.0.0/js/dropdown.js
@@ -0,0 +1,154 @@
+/* ========================================================================
+ * Bootstrap: dropdown.js v3.0.0
+ * http://twbs.github.com/bootstrap/javascript.html#dropdowns
+ * ========================================================================
+ * 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";
+
+  // DROPDOWN CLASS DEFINITION
+  // =========================
+
+  var backdrop = '.dropdown-backdrop'
+  var toggle   = '[data-toggle=dropdown]'
+  var Dropdown = function (element) {
+    var $el = $(element).on('click.bs.dropdown', this.toggle)
+  }
+
+  Dropdown.prototype.toggle = function (e) {
+    var $this = $(this)
+
+    if ($this.is('.disabled, :disabled')) return
+
+    var $parent  = getParent($this)
+    var isActive = $parent.hasClass('open')
+
+    clearMenus()
+
+    if (!isActive) {
+      if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {
+        // if mobile we we use a backdrop because click events don't delegate
+        $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
+      }
+
+      $parent.trigger(e = $.Event('show.bs.dropdown'))
+
+      if (e.isDefaultPrevented()) return
+
+      $parent
+        .toggleClass('open')
+        .trigger('shown.bs.dropdown')
+
+      $this.focus()
+    }
+
+    return false
+  }
+
+  Dropdown.prototype.keydown = function (e) {
+    if (!/(38|40|27)/.test(e.keyCode)) return
+
+    var $this = $(this)
+
+    e.preventDefault()
+    e.stopPropagation()
+
+    if ($this.is('.disabled, :disabled')) return
+
+    var $parent  = getParent($this)
+    var isActive = $parent.hasClass('open')
+
+    if (!isActive || (isActive && e.keyCode == 27)) {
+      if (e.which == 27) $parent.find(toggle).focus()
+      return $this.click()
+    }
+
+    var $items = $('[role=menu] li:not(.divider):visible a', $parent)
+
+    if (!$items.length) return
+
+    var index = $items.index($items.filter(':focus'))
+
+    if (e.keyCode == 38 && index > 0)                 index--                        // up
+    if (e.keyCode == 40 && index < $items.length - 1) index++                        // down
+    if (!~index)                                      index=0
+
+    $items.eq(index).focus()
+  }
+
+  function clearMenus() {
+    $(backdrop).remove()
+    $(toggle).each(function (e) {
+      var $parent = getParent($(this))
+      if (!$parent.hasClass('open')) return
+      $parent.trigger(e = $.Event('hide.bs.dropdown'))
+      if (e.isDefaultPrevented()) return
+      $parent.removeClass('open').trigger('hidden.bs.dropdown')
+    })
+  }
+
+  function getParent($this) {
+    var selector = $this.attr('data-target')
+
+    if (!selector) {
+      selector = $this.attr('href')
+      selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
+    }
+
+    var $parent = selector && $(selector)
+
+    return $parent && $parent.length ? $parent : $this.parent()
+  }
+
+
+  // DROPDOWN PLUGIN DEFINITION
+  // ==========================
+
+  var old = $.fn.dropdown
+
+  $.fn.dropdown = function (option) {
+    return this.each(function () {
+      var $this = $(this)
+      var data  = $this.data('dropdown')
+
+      if (!data) $this.data('dropdown', (data = new Dropdown(this)))
+      if (typeof option == 'string') data[option].call($this)
+    })
+  }
+
+  $.fn.dropdown.Constructor = Dropdown
+
+
+  // DROPDOWN NO CONFLICT
+  // ====================
+
+  $.fn.dropdown.noConflict = function () {
+    $.fn.dropdown = old
+    return this
+  }
+
+
+  // APPLY TO STANDARD DROPDOWN ELEMENTS
+  // ===================================
+
+  $(document)
+    .on('click.bs.dropdown.data-api', clearMenus)
+    .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
+    .on('click.bs.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
+    .on('keydown.bs.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
+
+}(window.jQuery);