bootstrap.js

        , data = $this.data('modal')
        , options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option)
      if (!data) $this.data('modal', (data = new Modal(this, options)))
      if (typeof option == 'string') data[option]()
      else if (options.show) data.show()
    })
  }

  $.fn.modal.defaults = {
      backdrop: true
    , keyboard: true
    , show: true
  }

  $.fn.modal.Constructor = Modal


 /* MODAL NO CONFLICT
  * ================= */

  $.fn.modal.noConflict = function () {
    $.fn.modal = old
    return this
  }


 /* MODAL DATA-API
  * ============== */

  $(document).on('click.modal.data-api', '[data-toggle="modal"]', function (e) {
    var $this = $(this)
      , href = $this.attr('href')
      , $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) //strip for ie7
      , option = $target.data('modal') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data())

    e.preventDefault()

    $target
      .modal(option)
      .one('hide', function () {
        $this.focus()
      })
  })

}(window.jQuery);
/* ===========================================================
 * bootstrap-tooltip.js v2.3.1
 * http://twitter.github.com/bootstrap/javascript.html#tooltips
 * Inspired by the original jQuery.tipsy by Jason Frame
 * ===========================================================
 * 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"; // jshint ;_;


 /* TOOLTIP PUBLIC CLASS DEFINITION
  * =============================== */

  var Tooltip = function (element, options) {
    this.init('tooltip', element, options)
  }

  Tooltip.prototype = {

    constructor: Tooltip

  , init: function (type, element, options) {
      var eventIn
        , eventOut
        , triggers
        , trigger
        , i

      this.type = type
      this.$element = $(element)
      this.options = this.getOptions(options)
      this.enabled = true

      triggers = this.options.trigger.split(' ')

      for (i = triggers.length; i--;) {
        trigger = triggers[i]
        if (trigger == 'click') {
          this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
        } else if (trigger != 'manual') {
          eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
          eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
          this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
          this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
        }
      }

      this.options.selector ?
        (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
        this.fixTitle()
    }

  , getOptions: function (options) {
      options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)

      if (options.delay && typeof options.delay == 'number') {
        options.delay = {
          show: options.delay
        , hide: options.delay
        }
      }

      return options
    }

  , enter: function (e) {
      var defaults = $.fn[this.type].defaults
        , options = {}
        , self

      this._options && $.each(this._options, function (key, value) {
        if (defaults[key] != value) options[key] = value
      }, this)

      self = $(e.currentTarget)[this.type](options).data(this.type)

      if (!self.options.delay || !self.options.delay.show) return self.show()

      clearTimeout(this.timeout)
      self.hoverState = 'in'
      this.timeout = setTimeout(function() {
        if (self.hoverState == 'in') self.show()
      }, self.options.delay.show)
    }

  , leave: function (e) {
      var self = $(e.currentTarget)[this.type](this._options).data(this.type)

      if (this.timeout) clearTimeout(this.timeout)
      if (!self.options.delay || !self.options.delay.hide) return self.hide()

      self.hoverState = 'out'
      this.timeout = setTimeout(function() {
        if (self.hoverState == 'out') self.hide()
      }, self.options.delay.hide)
    }

  , show: function () {
      var $tip
        , pos
        , actualWidth
        , actualHeight
        , placement
        , tp
        , e = $.Event('show')

      if (this.hasContent() && this.enabled) {
        this.$element.trigger(e)
        if (e.isDefaultPrevented()) return
        $tip = this.tip()
        this.setContent()

        if (this.options.animation) {
          $tip.addClass('fade')
        }

        placement = typeof this.options.placement == 'function' ?
          this.options.placement.call(this, $tip[0], this.$element[0]) :
          this.options.placement

        $tip
          .detach()
          .css({ top: 0, left: 0, display: 'block' })

        this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)

        pos = this.getPosition()

        actualWidth = $tip[0].offsetWidth
        actualHeight = $tip[0].offsetHeight

        switch (placement) {
          case 'bottom':
            tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
            break
          case 'top':
            tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
            break
          case 'left':
            tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
            break
          case 'right':
            tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
            break
        }

        this.applyPlacement(tp, placement)
        this.$element.trigger('shown')
      }
    }

  , applyPlacement: function(offset, placement){
      var $tip = this.tip()
        , width = $tip[0].offsetWidth
        , height = $tip[0].offsetHeight
        , actualWidth
        , actualHeight
        , delta
        , replace

      $tip
        .offset(offset)
        .addClass(placement)
        .addClass('in')

      actualWidth = $tip[0].offsetWidth
      actualHeight = $tip[0].offsetHeight

      if (placement == 'top' && actualHeight != height) {
        offset.top = offset.top + height - actualHeight
        replace = true
      }

      if (placement == 'bottom' || placement == 'top') {
        delta = 0

        if (offset.left < 0){
          delta = offset.left * -2
          offset.left = 0
          $tip.offset(offset)
          actualWidth = $tip[0].offsetWidth
          actualHeight = $tip[0].offsetHeight
        }

        this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
      } else {
        this.replaceArrow(actualHeight - height, actualHeight, 'top')
      }

      if (replace) $tip.offset(offset)
    }

  , replaceArrow: function(delta, dimension, position){
      this
        .arrow()
        .css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
    }

  , setContent: function () {
      var $tip = this.tip()
        , title = this.getTitle()

      $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
      $tip.removeClass('fade in top bottom left right')
    }

  , hide: function () {
      var that = this
        , $tip = this.tip()
        , e = $.Event('hide')

      this.$element.trigger(e)
      if (e.isDefaultPrevented()) return

      $tip.removeClass('in')

      function removeWithAnimation() {
        var timeout = setTimeout(function () {
          $tip.off($.support.transition.end).detach()
        }, 500)

        $tip.one($.support.transition.end, function () {
          clearTimeout(timeout)
          $tip.detach()
        })
      }

      $.support.transition && this.$tip.hasClass('fade') ?
        removeWithAnimation() :
        $tip.detach()

      this.$element.trigger('hidden')

      return this
    }

  , fixTitle: function () {
      var $e = this.$element
      if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
        $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
      }
    }

  , hasContent: function () {
      return this.getTitle()
    }

  , getPosition: function () {
      var el = this.$element[0]
      return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
        width: el.offsetWidth
      , height: el.offsetHeight
      }, this.$element.offset())
    }

  , getTitle: function () {
      var title
        , $e = this.$element
        , o = this.options

      title = $e.attr('data-original-title')
        || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)

      return title
    }

  , tip: function () {
      return this.$tip = this.$tip || $(this.options.template)
    }

  , arrow: function(){
      return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
    }

  , validate: function () {
      if (!this.$element[0].parentNode) {
        this.hide()
        this.$element = null
        this.options = null
      }
    }

  , enable: function () {
      this.enabled = true
    }

  , disable: function () {
      this.enabled = false
    }

  , toggleEnabled: function () {
      this.enabled = !this.enabled
    }

  , toggle: function (e) {
      var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
      self.tip().hasClass('in') ? self.hide() : self.show()
    }

  , destroy: function () {
      this.hide().$element.off('.' + this.type).removeData(this.type)
    }

  }


 /* TOOLTIP PLUGIN DEFINITION
  * ========================= */

  var old = $.fn.tooltip

  $.fn.tooltip = function ( option ) {
    return this.each(function () {
      var $this = $(this)
        , data = $this.data('tooltip')
        , options = typeof option == 'object' && option
      if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.tooltip.Constructor = Tooltip

  $.fn.tooltip.defaults = {
    animation: true
  , placement: 'top'
  , selector: false
  , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
  , trigger: 'hover focus'
  , title: ''
  , delay: 0
  , html: false
  , container: false
  }


 /* TOOLTIP NO CONFLICT
  * =================== */

  $.fn.tooltip.noConflict = function () {
    $.fn.tooltip = old
    return this
  }

}(window.jQuery);
/* ===========================================================
 * bootstrap-popover.js v2.3.1
 * http://twitter.github.com/bootstrap/javascript.html#popovers
 * ===========================================================
 * 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"; // jshint ;_;


 /* POPOVER PUBLIC CLASS DEFINITION
  * =============================== */

  var Popover = function (element, options) {
    this.init('popover', element, options)
  }


  /* NOTE: POPOVER EXTENDS BOOTSTRAP-TOOLTIP.js
     ========================================== */

  Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype, {

    constructor: Popover

  , setContent: function () {
      var $tip = this.tip()
        , title = this.getTitle()
        , content = this.getContent()

      $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
      $tip.find('.popover-content')[this.options.html ? 'html' : 'text'](content)

      $tip.removeClass('fade top bottom left right in')
    }

  , hasContent: function () {
      return this.getTitle() || this.getContent()
    }

  , getContent: function () {
      var content
        , $e = this.$element
        , o = this.options

      content = (typeof o.content == 'function' ? o.content.call($e[0]) :  o.content)
        || $e.attr('data-content')

      return content
    }

  , tip: function () {
      if (!this.$tip) {
        this.$tip = $(this.options.template)
      }
      return this.$tip
    }

  , destroy: function () {
      this.hide().$element.off('.' + this.type).removeData(this.type)
    }

  })


 /* POPOVER PLUGIN DEFINITION
  * ======================= */

  var old = $.fn.popover

  $.fn.popover = function (option) {
    return this.each(function () {
      var $this = $(this)
        , data = $this.data('popover')
        , options = typeof option == 'object' && option
      if (!data) $this.data('popover', (data = new Popover(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.popover.Constructor = Popover

  $.fn.popover.defaults = $.extend({} , $.fn.tooltip.defaults, {
    placement: 'right'
  , trigger: 'click'
  , content: ''
  , template: '<div class="popover"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'
  })


 /* POPOVER NO CONFLICT
  * =================== */

  $.fn.popover.noConflict = function () {
    $.fn.popover = old
    return this
  }

}(window.jQuery);
/* =============================================================
 * bootstrap-scrollspy.js v2.3.1
 * http://twitter.github.com/bootstrap/javascript.html#scrollspy
 * =============================================================
 * 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"; // jshint ;_;


 /* SCROLLSPY CLASS DEFINITION
  * ========================== */

  function ScrollSpy(element, options) {
    var process = $.proxy(this.process, this)
      , $element = $(element).is('body') ? $(window) : $(element)
      , href
    this.options = $.extend({}, $.fn.scrollspy.defaults, options)
    this.$scrollElement = $element.on('scroll.scroll-spy.data-api', process)
    this.selector = (this.options.target
      || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
      || '') + ' .nav li > a'
    this.$body = $('body')
    this.refresh()
    this.process()
  }

  ScrollSpy.prototype = {

      constructor: ScrollSpy

    , refresh: function () {
        var self = this
          , $targets

        this.offsets = $([])
        this.targets = $([])

        $targets = this.$body
          .find(this.selector)
          .map(function () {
            var $el = $(this)
              , href = $el.data('target') || $el.attr('href')
              , $href = /^#\w/.test(href) && $(href)
            return ( $href
              && $href.length
              && [[ $href.position().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]] ) || null
          })
          .sort(function (a, b) { return a[0] - b[0] })
          .each(function () {
            self.offsets.push(this[0])
            self.targets.push(this[1])
          })
      }

    , process: function () {
        var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
          , scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
          , maxScroll = scrollHeight - this.$scrollElement.height()
          , offsets = this.offsets
          , targets = this.targets
          , activeTarget = this.activeTarget
          , i

        if (scrollTop >= maxScroll) {
          return activeTarget != (i = targets.last()[0])
            && this.activate ( i )
        }

        for (i = offsets.length; i--;) {
          activeTarget != targets[i]
            && scrollTop >= offsets[i]
            && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
            && this.activate( targets[i] )
        }
      }

    , activate: function (target) {
        var active
          , selector

        this.activeTarget = target

        $(this.selector)
          .parent('.active')
          .removeClass('active')

        selector = this.selector
          + '[data-target="' + target + '"],'
          + this.selector + '[href="' + target + '"]'

        active = $(selector)
          .parent('li')
          .addClass('active')

        if (active.parent('.dropdown-menu').length)  {
          active = active.closest('li.dropdown').addClass('active')
        }

        active.trigger('activate')
      }

  }


 /* SCROLLSPY PLUGIN DEFINITION
  * =========================== */

  var old = $.fn.scrollspy

  $.fn.scrollspy = function (option) {
    return this.each(function () {
      var $this = $(this)
        , data = $this.data('scrollspy')
        , options = typeof option == 'object' && option
      if (!data) $this.data('scrollspy', (data = new ScrollSpy(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.scrollspy.Constructor = ScrollSpy

  $.fn.scrollspy.defaults = {
    offset: 10
  }


 /* SCROLLSPY NO CONFLICT
  * ===================== */

  $.fn.scrollspy.noConflict = function () {
    $.fn.scrollspy = old
    return this
  }


 /* SCROLLSPY DATA-API
  * ================== */

  $(window).on('load', function () {
    $('[data-spy="scroll"]').each(function () {
      var $spy = $(this)
      $spy.scrollspy($spy.data())
    })
  })

}(window.jQuery);/* ========================================================
 * bootstrap-tab.js v2.3.1
 * http://twitter.github.com/bootstrap/javascript.html#tabs
 * ========================================================
 * 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"; // jshint ;_;


 /* TAB CLASS DEFINITION
  * ==================== */

  var Tab = function (element) {
    this.element = $(element)
  }

  Tab.prototype = {

    constructor: Tab

  , show: function () {
      var $this = this.element
        , $ul = $this.closest('ul:not(.dropdown-menu)')
        , selector = $this.attr('data-target')
        , previous
        , $target
        , e

      if (!selector) {
        selector = $this.attr('href')
        selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
      }

      if ( $this.parent('li').hasClass('active') ) return

      previous = $ul.find('.active:last a')[0]

      e = $.Event('show', {
        relatedTarget: previous
      })

      $this.trigger(e)

      if (e.isDefaultPrevented()) return

      $target = $(selector)

      this.activate($this.parent('li'), $ul)
      this.activate($target, $target.parent(), function () {
        $this.trigger({
          type: 'shown'
        , relatedTarget: previous
        })
      })
    }

  , activate: function ( element, container, callback) {
      var $active = container.find('> .active')
        , transition = callback
            && $.support.transition
            && $active.hasClass('fade')

      function next() {
        $active
          .removeClass('active')
          .find('> .dropdown-menu > .active')
          .removeClass('active')

        element.addClass('active')

        if (transition) {
          element[0].offsetWidth // reflow for transition
          element.addClass('in')
        } else {
          element.removeClass('fade')
        }

        if ( element.parent('.dropdown-menu') ) {
          element.closest('li.dropdown').addClass('active')
        }

        callback && callback()
      }

      transition ?
        $active.one($.support.transition.end, next) :
        next()

      $active.removeClass('in')
    }
  }


 /* TAB PLUGIN DEFINITION
  * ===================== */

  var old = $.fn.tab

  $.fn.tab = function ( option ) {
    return this.each(function () {
      var $this = $(this)
        , data = $this.data('tab')
      if (!data) $this.data('tab', (data = new Tab(this)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.tab.Constructor = Tab


 /* TAB NO CONFLICT
  * =============== */

  $.fn.tab.noConflict = function () {
    $.fn.tab = old
    return this
  }


 /* TAB DATA-API
  * ============ */

  $(document).on('click.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
    e.preventDefault()
    $(this).tab('show')
  })

}(window.jQuery);/* =============================================================
 * bootstrap-typeahead.js v2.3.1
 * http://twitter.github.com/bootstrap/javascript.html#typeahead
 * =============================================================
 * 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"; // jshint ;_;


 /* TYPEAHEAD PUBLIC CLASS DEFINITION
  * ================================= */

  var Typeahead = function (element, options) {
    this.$element = $(element)
    this.options = $.extend({}, $.fn.typeahead.defaults, options)
    this.matcher = this.options.matcher || this.matcher
    this.sorter = this.options.sorter || this.sorter
    this.highlighter = this.options.highlighter || this.highlighter
    this.updater = this.options.updater || this.updater
    this.source = this.options.source
    this.$menu = $(this.options.menu)
    this.shown = false
    this.listen()
  }

  Typeahead.prototype = {

    constructor: Typeahead

  , select: function () {
      var val = this.$menu.find('.active').attr('data-value')
      this.$element
        .val(this.updater(val))
        .change()
      return this.hide()
    }

  , updater: function (item) {
      return item
    }

  , show: function () {
      var pos = $.extend({}, this.$element.position(), {
        height: this.$element[0].offsetHeight
      })

      this.$menu
        .insertAfter(this.$element)
        .css({
          top: pos.top + pos.height
        , left: pos.left
        })
        .show()

      this.shown = true
      return this
    }

  , hide: function () {
      this.$menu.hide()
      this.shown = false
      return this
    }

  , lookup: function (event) {
      var items

      this.query = this.$element.val()

      if (!this.query || this.query.length < this.options.minLength) {
        return this.shown ? this.hide() : this
      }

      items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source

      return items ? this.process(items) : this
    }

  , process: function (items) {
      var that = this

      items = $.grep(items, function (item) {
        return that.matcher(item)
      })

      items = this.sorter(items)

      if (!items.length) {
        return this.shown ? this.hide() : this
      }

      return this.render(items.slice(0, this.options.items)).show()
    }

  , matcher: function (item) {
      return ~item.toLowerCase().indexOf(this.query.toLowerCase())
    }

  , sorter: function (items) {
      var beginswith = []
        , caseSensitive = []
        , caseInsensitive = []
        , item

      while (item = items.shift()) {
        if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
        else if (~item.indexOf(this.query)) caseSensitive.push(item)
        else caseInsensitive.push(item)
      }

      return beginswith.concat(caseSensitive, caseInsensitive)
    }

  , highlighter: function (item) {
      var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
      return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
        return '<strong>' + match + '</strong>'
      })
    }

  , render: function (items) {
      var that = this

      items = $(items).map(function (i, item) {
        i = $(that.options.item).attr('data-value', item)
        i.find('a').html(that.highlighter(item))
        return i[0]
      })

      items.first().addClass('active')
      this.$menu.html(items)
      return this
    }

  , next: function (event) {
      var active = this.$menu.find('.active').removeClass('active')
        , next = active.next()

      if (!next.length) {
        next = $(this.$menu.find('li')[0])
      }

      next.addClass('active')
    }

  , prev: function (event) {
      var active = this.$menu.find('.active').removeClass('active')
        , prev = active.prev()

      if (!prev.length) {
        prev = this.$menu.find('li').last()
      }

      prev.addClass('active')
    }

  , listen: function () {
      this.$element
        .on('focus',    $.proxy(this.focus, this))
        .on('blur',     $.proxy(this.blur, this))