/*!
 * bootstrap v3.0.1 by @fat and @mdo
 * copyright 2013 twitter, inc.
 * licensed under http://www.apache.org/licenses/license-2.0
 *
 * designed and built with all the love in the world by @mdo and @fat.
 */

if (typeof jquery === "undefined") { throw new error("bootstrap requires jquery") }

/* ========================================================================
 * bootstrap: transition.js v3.0.0
 * http://getbootstrap.com/javascript/#transitions
 * ========================================================================
 * copyright 2013 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";

  // css transition support (shoutout: http://www.modernizr.com/)
  // ============================================================

  function transitionend() {
    var el = document.createelement('bootstrap')

    var transendeventnames = {
      'webkittransition' : 'webkittransitionend'
    , 'moztransition'    : 'transitionend'
    , 'otransition'      : 'otransitionend otransitionend'
    , 'transition'       : 'transitionend'
    }

    for (var name in transendeventnames) {
      if (el.style[name] !== undefined) {
        return { end: transendeventnames[name] }
      }
    }
  }

  // http://blog.alexmaccaw.com/css-transitions
  $.fn.emulatetransitionend = function (duration) {
    var called = false, $el = this
    $(this).one($.support.transition.end, function () { called = true })
    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }
    settimeout(callback, duration)
    return this
  }

  $(function () {
    $.support.transition = transitionend()
  })

}(window.jquery);

/* ========================================================================
 * bootstrap: alert.js v3.0.0
 * http://getbootstrap.com/javascript/#alerts
 * ========================================================================
 * copyright 2013 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";

  // alert class definition
  // ======================

  var dismiss = '[data-dismiss="alert"]'
  var alert   = function (el) {
    $(el).on('click', dismiss, this.close)
  }

  alert.prototype.close = function (e) {
    var $this    = $(this)
    var selector = $this.attr('data-target')

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

    var $parent = $(selector)

    if (e) e.preventdefault()

    if (!$parent.length) {
      $parent = $this.hasclass('alert') ? $this : $this.parent()
    }

    $parent.trigger(e = $.event('close.bs.alert'))

    if (e.isdefaultprevented()) return

    $parent.removeclass('in')

    function removeelement() {
      $parent.trigger('closed.bs.alert').remove()
    }

    $.support.transition && $parent.hasclass('fade') ?
      $parent
        .one($.support.transition.end, removeelement)
        .emulatetransitionend(150) :
      removeelement()
  }


  // alert plugin definition
  // =======================

  var old = $.fn.alert

  $.fn.alert = function (option) {
    return this.each(function () {
      var $this = $(this)
      var data  = $this.data('bs.alert')

      if (!data) $this.data('bs.alert', (data = new alert(this)))
      if (typeof option == 'string') data[option].call($this)
    })
  }

  $.fn.alert.constructor = alert


  // alert no conflict
  // =================

  $.fn.alert.noconflict = function () {
    $.fn.alert = old
    return this
  }


  // alert data-api
  // ==============

  $(document).on('click.bs.alert.data-api', dismiss, alert.prototype.close)

}(window.jquery);

/* ========================================================================
 * bootstrap: button.js v3.0.0
 * http://getbootstrap.com/javascript/#buttons
 * ========================================================================
 * copyright 2013 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";

  // button public class definition
  // ==============================

  var button = function (element, options) {
    this.$element = $(element)
    this.options  = $.extend({}, button.defaults, options)
  }

  button.defaults = {
    loadingtext: 'loading...'
  }

  button.prototype.setstate = function (state) {
    var d    = 'disabled'
    var $el  = this.$element
    var val  = $el.is('input') ? 'val' : 'html'
    var data = $el.data()

    state = state + 'text'

    if (!data.resettext) $el.data('resettext', $el[val]())

    $el[val](data[state] || this.options[state])

    // push to event loop to allow forms to submit
    settimeout(function () {
      state == 'loadingtext' ?
        $el.addclass(d).attr(d, d) :
        $el.removeclass(d).removeattr(d);
    }, 0)
  }

  button.prototype.toggle = function () {
    var $parent = this.$element.closest('[data-toggle="buttons"]')

    if ($parent.length) {
      var $input = this.$element.find('input')
        .prop('checked', !this.$element.hasclass('active'))
        .trigger('change')
      if ($input.prop('type') === 'radio') $parent.find('.active').removeclass('active')
    }

    this.$element.toggleclass('active')
  }


  // button plugin definition
  // ========================

  var old = $.fn.button

  $.fn.button = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.button')
      var options = typeof option == 'object' && option

      if (!data) $this.data('bs.button', (data = new button(this, options)))

      if (option == 'toggle') data.toggle()
      else if (option) data.setstate(option)
    })
  }

  $.fn.button.constructor = button


  // button no conflict
  // ==================

  $.fn.button.noconflict = function () {
    $.fn.button = old
    return this
  }


  // button data-api
  // ===============

  $(document).on('click.bs.button.data-api', '[data-toggle^=button]', function (e) {
    var $btn = $(e.target)
    if (!$btn.hasclass('btn')) $btn = $btn.closest('.btn')
    $btn.button('toggle')
    e.preventdefault()
  })

}(window.jquery);

/* ========================================================================
 * bootstrap: carousel.js v3.0.0
 * http://getbootstrap.com/javascript/#carousel
 * ========================================================================
 * copyright 2013 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";

  // carousel class definition
  // =========================

  var carousel = function (element, options) {
    this.$element    = $(element)
    this.$indicators = this.$element.find('.carousel-indicators')
    this.options     = options
    this.paused      =
    this.sliding     =
    this.interval    =
    this.$active     =
    this.$items      = null

    this.options.pause == 'hover' && this.$element
      .on('mouseenter', $.proxy(this.pause, this))
      .on('mouseleave', $.proxy(this.cycle, this))
  }

  carousel.defaults = {
    interval: 5000
  , pause: 'hover'
  , wrap: true
  }

  carousel.prototype.cycle =  function (e) {
    e || (this.paused = false)

    this.interval && clearinterval(this.interval)

    this.options.interval
      && !this.paused
      && (this.interval = setinterval($.proxy(this.next, this), this.options.interval))

    return this
  }

  carousel.prototype.getactiveindex = function () {
    this.$active = this.$element.find('.item.active')
    this.$items  = this.$active.parent().children()

    return this.$items.index(this.$active)
  }

  carousel.prototype.to = function (pos) {
    var that        = this
    var activeindex = this.getactiveindex()

    if (pos > (this.$items.length - 1) || pos < 0) return

    if (this.sliding)       return this.$element.one('slid', function () { that.to(pos) })
    if (activeindex == pos) return this.pause().cycle()

    return this.slide(pos > activeindex ? 'next' : 'prev', $(this.$items[pos]))
  }

  carousel.prototype.pause = function (e) {
    e || (this.paused = true)

    if (this.$element.find('.next, .prev').length && $.support.transition.end) {
      this.$element.trigger($.support.transition.end)
      this.cycle(true)
    }

    this.interval = clearinterval(this.interval)

    return this
  }

  carousel.prototype.next = function () {
    if (this.sliding) return
    return this.slide('next')
  }

  carousel.prototype.prev = function () {
    if (this.sliding) return
    return this.slide('prev')
  }

  carousel.prototype.slide = function (type, next) {
    var $active   = this.$element.find('.item.active')
    var $next     = next || $active[type]()
    var iscycling = this.interval
    var direction = type == 'next' ? 'left' : 'right'
    var fallback  = type == 'next' ? 'first' : 'last'
    var that      = this

    if (!$next.length) {
      if (!this.options.wrap) return
      $next = this.$element.find('.item')[fallback]()
    }

    this.sliding = true

    iscycling && this.pause()

    var e = $.event('slide.bs.carousel', { relatedtarget: $next[0], direction: direction })

    if ($next.hasclass('active')) return

    if (this.$indicators.length) {
      this.$indicators.find('.active').removeclass('active')
      this.$element.one('slid', function () {
        var $nextindicator = $(that.$indicators.children()[that.getactiveindex()])
        $nextindicator && $nextindicator.addclass('active')
      })
    }

    if ($.support.transition && this.$element.hasclass('slide')) {
      this.$element.trigger(e)
      if (e.isdefaultprevented()) return
      $next.addclass(type)
      $next[0].offsetwidth // force reflow
      $active.addclass(direction)
      $next.addclass(direction)
      $active
        .one($.support.transition.end, function () {
          $next.removeclass([type, direction].join(' ')).addclass('active')
          $active.removeclass(['active', direction].join(' '))
          that.sliding = false
          settimeout(function () { that.$element.trigger('slid') }, 0)
        })
        .emulatetransitionend(600)
    } else {
      this.$element.trigger(e)
      if (e.isdefaultprevented()) return
      $active.removeclass('active')
      $next.addclass('active')
      this.sliding = false
      this.$element.trigger('slid')
    }

    iscycling && this.cycle()

    return this
  }


  // carousel plugin definition
  // ==========================

  var old = $.fn.carousel

  $.fn.carousel = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.carousel')
      var options = $.extend({}, carousel.defaults, $this.data(), typeof option == 'object' && option)
      var action  = typeof option == 'string' ? option : options.slide

      if (!data) $this.data('bs.carousel', (data = new carousel(this, options)))
      if (typeof option == 'number') data.to(option)
      else if (action) data[action]()
      else if (options.interval) data.pause().cycle()
    })
  }

  $.fn.carousel.constructor = carousel


  // carousel no conflict
  // ====================

  $.fn.carousel.noconflict = function () {
    $.fn.carousel = old
    return this
  }


  // carousel data-api
  // =================

  $(document).on('click.bs.carousel.data-api', '[data-slide], [data-slide-to]', function (e) {
    var $this   = $(this), href
    var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
    var options = $.extend({}, $target.data(), $this.data())
    var slideindex = $this.attr('data-slide-to')
    if (slideindex) options.interval = false

    $target.carousel(options)

    if (slideindex = $this.attr('data-slide-to')) {
      $target.data('bs.carousel').to(slideindex)
    }

    e.preventdefault()
  })

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

}(window.jquery);

/* ========================================================================
 * bootstrap: collapse.js v3.0.0
 * http://getbootstrap.com/javascript/#collapse
 * ========================================================================
 * copyright 2013 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";

  // collapse public class definition
  // ================================

  var collapse = function (element, options) {
    this.$element      = $(element)
    this.options       = $.extend({}, collapse.defaults, options)
    this.transitioning = null

    if (this.options.parent) this.$parent = $(this.options.parent)
    if (this.options.toggle) this.toggle()
  }

  collapse.defaults = {
    toggle: true
  }

  collapse.prototype.dimension = function () {
    var haswidth = this.$element.hasclass('width')
    return haswidth ? 'width' : 'height'
  }

  collapse.prototype.show = function () {
    if (this.transitioning || this.$element.hasclass('in')) return

    var startevent = $.event('show.bs.collapse')
    this.$element.trigger(startevent)
    if (startevent.isdefaultprevented()) return

    var actives = this.$parent && this.$parent.find('> .panel > .in')

    if (actives && actives.length) {
      var hasdata = actives.data('bs.collapse')
      if (hasdata && hasdata.transitioning) return
      actives.collapse('hide')
      hasdata || actives.data('bs.collapse', null)
    }

    var dimension = this.dimension()

    this.$element
      .removeclass('collapse')
      .addclass('collapsing')
      [dimension](0)

    this.transitioning = 1

    var complete = function () {
      this.$element
        .removeclass('collapsing')
        .addclass('in')
        [dimension]('auto')
      this.transitioning = 0
      this.$element.trigger('shown.bs.collapse')
    }

    if (!$.support.transition) return complete.call(this)

    var scrollsize = $.camelcase(['scroll', dimension].join('-'))

    this.$element
      .one($.support.transition.end, $.proxy(complete, this))
      .emulatetransitionend(350)
      [dimension](this.$element[0][scrollsize])
  }

  collapse.prototype.hide = function () {
    if (this.transitioning || !this.$element.hasclass('in')) return

    var startevent = $.event('hide.bs.collapse')
    this.$element.trigger(startevent)
    if (startevent.isdefaultprevented()) return

    var dimension = this.dimension()

    this.$element
      [dimension](this.$element[dimension]())
      [0].offsetheight

    this.$element
      .addclass('collapsing')
      .removeclass('collapse')
      .removeclass('in')

    this.transitioning = 1

    var complete = function () {
      this.transitioning = 0
      this.$element
        .trigger('hidden.bs.collapse')
        .removeclass('collapsing')
        .addclass('collapse')
    }

    if (!$.support.transition) return complete.call(this)

    this.$element
      [dimension](0)
      .one($.support.transition.end, $.proxy(complete, this))
      .emulatetransitionend(350)
  }

  collapse.prototype.toggle = function () {
    this[this.$element.hasclass('in') ? 'hide' : 'show']()
  }


  // collapse plugin definition
  // ==========================

  var old = $.fn.collapse

  $.fn.collapse = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.collapse')
      var options = $.extend({}, collapse.defaults, $this.data(), typeof option == 'object' && option)

      if (!data) $this.data('bs.collapse', (data = new collapse(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.collapse.constructor = collapse


  // collapse no conflict
  // ====================

  $.fn.collapse.noconflict = function () {
    $.fn.collapse = old
    return this
  }


  // collapse data-api
  // =================

  $(document).on('click.bs.collapse.data-api', '[data-toggle=collapse]', function (e) {
    var $this   = $(this), href
    var target  = $this.attr('data-target')
        || e.preventdefault()
        || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
    var $target = $(target)
    var data    = $target.data('bs.collapse')
    var option  = data ? 'toggle' : $this.data()
    var parent  = $this.attr('data-parent')
    var $parent = parent && $(parent)

    if (!data || !data.transitioning) {
      if ($parent) $parent.find('[data-toggle=collapse][data-parent="' + parent + '"]').not($this).addclass('collapsed')
      $this[$target.hasclass('in') ? 'addclass' : 'removeclass']('collapsed')
    }

    $target.collapse(option)
  })

}(window.jquery);

/* ========================================================================
 * bootstrap: dropdown.js v3.0.0
 * http://getbootstrap.com/javascript/#dropdowns
 * ========================================================================
 * copyright 2013 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);

/* ========================================================================
 * bootstrap: modal.js v3.0.0
 * http://getbootstrap.com/javascript/#modals
 * ========================================================================
 * copyright 2013 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";

  // modal class definition
  // ======================

  var modal = function (element, options) {
    this.options   = options
    this.$element  = $(element)
    this.$backdrop =
    this.isshown   = null

    if (this.options.remote) this.$element.load(this.options.remote)
  }

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

  modal.prototype.toggle = function (_relatedtarget) {
    return this[!this.isshown ? 'show' : 'hide'](_relatedtarget)
  }

  modal.prototype.show = function (_relatedtarget) {
    var that = this
    var e    = $.event('show.bs.modal', { relatedtarget: _relatedtarget })

    this.$element.trigger(e)

    if (this.isshown || e.isdefaultprevented()) return

    this.isshown = true

    this.escape()

    this.$element.on('click.dismiss.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))

    this.backdrop(function () {
      var transition = $.support.transition && that.$element.hasclass('fade')

      if (!that.$element.parent().length) {
        that.$element.appendto(document.body) // don't move modals dom position
      }

      that.$element.show()

      if (transition) {
        that.$element[0].offsetwidth // force reflow
      }

      that.$element
        .addclass('in')
        .attr('aria-hidden', false)

      that.enforcefocus()

      var e = $.event('shown.bs.modal', { relatedtarget: _relatedtarget })

      transition ?
        that.$element.find('.modal-dialog') // wait for modal to slide in
          .one($.support.transition.end, function () {
            that.$element.focus().trigger(e)
          })
          .emulatetransitionend(300) :
        that.$element.focus().trigger(e)
    })
  }

  modal.prototype.hide = function (e) {
    if (e) e.preventdefault()

    e = $.event('hide.bs.modal')

    this.$element.trigger(e)

    if (!this.isshown || e.isdefaultprevented()) return

    this.isshown = false

    this.escape()

    $(document).off('focusin.bs.modal')

    this.$element
      .removeclass('in')
      .attr('aria-hidden', true)
      .off('click.dismiss.modal')

    $.support.transition && this.$element.hasclass('fade') ?
      this.$element
        .one($.support.transition.end, $.proxy(this.hidemodal, this))
        .emulatetransitionend(300) :
      this.hidemodal()
  }

  modal.prototype.enforcefocus = function () {
    $(document)
      .off('focusin.bs.modal') // guard against infinite focus loop
      .on('focusin.bs.modal', $.proxy(function (e) {
        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
          this.$element.focus()
        }
      }, this))
  }

  modal.prototype.escape = function () {
    if (this.isshown && this.options.keyboard) {
      this.$element.on('keyup.dismiss.bs.modal', $.proxy(function (e) {
        e.which == 27 && this.hide()
      }, this))
    } else if (!this.isshown) {
      this.$element.off('keyup.dismiss.bs.modal')
    }
  }

  modal.prototype.hidemodal = function () {
    var that = this
    this.$element.hide()
    this.backdrop(function () {
      that.removebackdrop()
      that.$element.trigger('hidden.bs.modal')
    })
  }

  modal.prototype.removebackdrop = function () {
    this.$backdrop && this.$backdrop.remove()
    this.$backdrop = null
  }

  modal.prototype.backdrop = function (callback) {
    var that    = this
    var animate = this.$element.hasclass('fade') ? 'fade' : ''

    if (this.isshown && this.options.backdrop) {
      var doanimate = $.support.transition && animate

      this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
        .appendto(document.body)

      this.$element.on('click.dismiss.modal', $.proxy(function (e) {
        if (e.target !== e.currenttarget) return
        this.options.backdrop == 'static'
          ? this.$element[0].focus.call(this.$element[0])
          : this.hide.call(this)
      }, this))

      if (doanimate) this.$backdrop[0].offsetwidth // force reflow

      this.$backdrop.addclass('in')

      if (!callback) return

      doanimate ?
        this.$backdrop
          .one($.support.transition.end, callback)
          .emulatetransitionend(150) :
        callback()

    } else if (!this.isshown && this.$backdrop) {
      this.$backdrop.removeclass('in')

      $.support.transition && this.$element.hasclass('fade')?
        this.$backdrop
          .one($.support.transition.end, callback)
          .emulatetransitionend(150) :
        callback()

    } else if (callback) {
      callback()
    }
  }


  // modal plugin definition
  // =======================

  var old = $.fn.modal

  $.fn.modal = function (option, _relatedtarget) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.modal')
      var options = $.extend({}, modal.defaults, $this.data(), typeof option == 'object' && option)

      if (!data) $this.data('bs.modal', (data = new modal(this, options)))
      if (typeof option == 'string') data[option](_relatedtarget)
      else if (options.show) data.show(_relatedtarget)
    })
  }

  $.fn.modal.constructor = modal


  // modal no conflict
  // =================

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


  // modal data-api
  // ==============

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

    e.preventdefault()

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

  $(document)
    .on('show.bs.modal',  '.modal', function () { $(document.body).addclass('modal-open') })
    .on('hidden.bs.modal', '.modal', function () { $(document.body).removeclass('modal-open') })

}(window.jquery);

/* ========================================================================
 * bootstrap: tooltip.js v3.0.0
 * http://getbootstrap.com/javascript/#tooltip
 * inspired by the original jquery.tipsy by jason frame
 * ========================================================================
 * copyright 2013 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";

  // tooltip public class definition
  // ===============================

  var tooltip = function (element, options) {
    this.type       =
    this.options    =
    this.enabled    =
    this.timeout    =
    this.hoverstate =
    this.$element   = null

    this.init('tooltip', element, options)
  }

  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.prototype.init = function (type, element, options) {
    this.enabled  = true
    this.type     = type
    this.$element = $(element)
    this.options  = this.getoptions(options)

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

    for (var i = triggers.length; i--;) {
      var trigger = triggers[i]

      if (trigger == 'click') {
        this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
      } else if (trigger != 'manual') {
        var eventin  = trigger == 'hover' ? 'mouseenter' : 'focus'
        var 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()
  }

  tooltip.prototype.getdefaults = function () {
    return tooltip.defaults
  }

  tooltip.prototype.getoptions = function (options) {
    options = $.extend({}, this.getdefaults(), this.$element.data(), options)

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

    return options
  }

  tooltip.prototype.getdelegateoptions = function () {
    var options  = {}
    var defaults = this.getdefaults()

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

    return options
  }

  tooltip.prototype.enter = function (obj) {
    var self = obj instanceof this.constructor ?
      obj : $(obj.currenttarget)[this.type](this.getdelegateoptions()).data('bs.' + this.type)

    cleartimeout(self.timeout)

    self.hoverstate = 'in'

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

    self.timeout = settimeout(function () {
      if (self.hoverstate == 'in') self.show()
    }, self.options.delay.show)
  }

  tooltip.prototype.leave = function (obj) {
    var self = obj instanceof this.constructor ?
      obj : $(obj.currenttarget)[this.type](this.getdelegateoptions()).data('bs.' + this.type)

    cleartimeout(self.timeout)

    self.hoverstate = 'out'

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

    self.timeout = settimeout(function () {
      if (self.hoverstate == 'out') self.hide()
    }, self.options.delay.hide)
  }

  tooltip.prototype.show = function () {
    var e = $.event('show.bs.'+ this.type)

    if (this.hascontent() && this.enabled) {
      this.$element.trigger(e)

      if (e.isdefaultprevented()) return

      var $tip = this.tip()

      this.setcontent()

      if (this.options.animation) $tip.addclass('fade')

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

      var autotoken = /\s?auto?\s?/i
      var autoplace = autotoken.test(placement)
      if (autoplace) placement = placement.replace(autotoken, '') || 'top'

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

      this.options.container ? $tip.appendto(this.options.container) : $tip.insertafter(this.$element)

      var pos          = this.getposition()
      var actualwidth  = $tip[0].offsetwidth
      var actualheight = $tip[0].offsetheight

      if (autoplace) {
        var $parent = this.$element.parent()

        var orgplacement = placement
        var docscroll    = document.documentelement.scrolltop || document.body.scrolltop
        var parentwidth  = this.options.container == 'body' ? window.innerwidth  : $parent.outerwidth()
        var parentheight = this.options.container == 'body' ? window.innerheight : $parent.outerheight()
        var parentleft   = this.options.container == 'body' ? 0 : $parent.offset().left

        placement = placement == 'bottom' && pos.top   + pos.height  + actualheight - docscroll > parentheight  ? 'top'    :
                    placement == 'top'    && pos.top   - docscroll   - actualheight < 0                         ? 'bottom' :
                    placement == 'right'  && pos.right + actualwidth > parentwidth                              ? 'left'   :
                    placement == 'left'   && pos.left  - actualwidth < parentleft                               ? 'right'  :
                    placement

        $tip
          .removeclass(orgplacement)
          .addclass(placement)
      }

      var calculatedoffset = this.getcalculatedoffset(placement, pos, actualwidth, actualheight)

      this.applyplacement(calculatedoffset, placement)
      this.$element.trigger('shown.bs.' + this.type)
    }
  }

  tooltip.prototype.applyplacement = function(offset, placement) {
    var replace
    var $tip   = this.tip()
    var width  = $tip[0].offsetwidth
    var height = $tip[0].offsetheight

    // manually read margins because getboundingclientrect includes difference
    var margintop = parseint($tip.css('margin-top'), 10)
    var marginleft = parseint($tip.css('margin-left'), 10)

    // we must check for nan for ie 8/9
    if (isnan(margintop))  margintop  = 0
    if (isnan(marginleft)) marginleft = 0

    offset.top  = offset.top  + margintop
    offset.left = offset.left + marginleft

    $tip
      .offset(offset)
      .addclass('in')

    // check to see if placing tip in new offset caused the tip to resize itself
    var actualwidth  = $tip[0].offsetwidth
    var actualheight = $tip[0].offsetheight

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

    if (/bottom|top/.test(placement)) {
      var 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)
  }

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

  tooltip.prototype.setcontent = function () {
    var $tip  = this.tip()
    var title = this.gettitle()

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

  tooltip.prototype.hide = function () {
    var that = this
    var $tip = this.tip()
    var e    = $.event('hide.bs.' + this.type)

    function complete() {
      if (that.hoverstate != 'in') $tip.detach()
    }

    this.$element.trigger(e)

    if (e.isdefaultprevented()) return

    $tip.removeclass('in')

    $.support.transition && this.$tip.hasclass('fade') ?
      $tip
        .one($.support.transition.end, complete)
        .emulatetransitionend(150) :
      complete()

    this.$element.trigger('hidden.bs.' + this.type)

    return this
  }

  tooltip.prototype.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', '')
    }
  }

  tooltip.prototype.hascontent = function () {
    return this.gettitle()
  }

  tooltip.prototype.getposition = function () {
    var el = this.$element[0]
    return $.extend({}, (typeof el.getboundingclientrect == 'function') ? el.getboundingclientrect() : {
      width: el.offsetwidth
    , height: el.offsetheight
    }, this.$element.offset())
  }

  tooltip.prototype.getcalculatedoffset = function (placement, pos, actualwidth, actualheight) {
    return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualwidth / 2  } :
           placement == 'top'    ? { top: pos.top - actualheight, left: pos.left + pos.width / 2 - actualwidth / 2  } :
           placement == 'left'   ? { top: pos.top + pos.height / 2 - actualheight / 2, left: pos.left - actualwidth } :
        /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualheight / 2, left: pos.left + pos.width   }
  }

  tooltip.prototype.gettitle = function () {
    var title
    var $e = this.$element
    var o  = this.options

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

    return title
  }

  tooltip.prototype.tip = function () {
    return this.$tip = this.$tip || $(this.options.template)
  }

  tooltip.prototype.arrow = function () {
    return this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')
  }

  tooltip.prototype.validate = function () {
    if (!this.$element[0].parentnode) {
      this.hide()
      this.$element = null
      this.options  = null
    }
  }

  tooltip.prototype.enable = function () {
    this.enabled = true
  }

  tooltip.prototype.disable = function () {
    this.enabled = false
  }

  tooltip.prototype.toggleenabled = function () {
    this.enabled = !this.enabled
  }

  tooltip.prototype.toggle = function (e) {
    var self = e ? $(e.currenttarget)[this.type](this.getdelegateoptions()).data('bs.' + this.type) : this
    self.tip().hasclass('in') ? self.leave(self) : self.enter(self)
  }

  tooltip.prototype.destroy = function () {
    this.hide().$element.off('.' + this.type).removedata('bs.' + this.type)
  }


  // tooltip plugin definition
  // =========================

  var old = $.fn.tooltip

  $.fn.tooltip = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.tooltip')
      var options = typeof option == 'object' && option

      if (!data) $this.data('bs.tooltip', (data = new tooltip(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.tooltip.constructor = tooltip


  // tooltip no conflict
  // ===================

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

}(window.jquery);

/* ========================================================================
 * bootstrap: popover.js v3.0.0
 * http://getbootstrap.com/javascript/#popovers
 * ========================================================================
 * copyright 2013 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";

  // popover public class definition
  // ===============================

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

  if (!$.fn.tooltip) throw new error('popover requires tooltip.js')

  popover.defaults = $.extend({} , $.fn.tooltip.constructor.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>'
  })


  // note: popover extends tooltip.js
  // ================================

  popover.prototype = $.extend({}, $.fn.tooltip.constructor.prototype)

  popover.prototype.constructor = popover

  popover.prototype.getdefaults = function () {
    return popover.defaults
  }

  popover.prototype.setcontent = function () {
    var $tip    = this.tip()
    var title   = this.gettitle()
    var 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')

    // ie8 doesn't accept hiding via the `:empty` pseudo selector, we have to do
    // this manually by checking the contents.
    if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide()
  }

  popover.prototype.hascontent = function () {
    return this.gettitle() || this.getcontent()
  }

  popover.prototype.getcontent = function () {
    var $e = this.$element
    var o  = this.options

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

  popover.prototype.arrow = function () {
    return this.$arrow = this.$arrow || this.tip().find('.arrow')
  }

  popover.prototype.tip = function () {
    if (!this.$tip) this.$tip = $(this.options.template)
    return this.$tip
  }


  // popover plugin definition
  // =========================

  var old = $.fn.popover

  $.fn.popover = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.popover')
      var options = typeof option == 'object' && option

      if (!data) $this.data('bs.popover', (data = new popover(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.popover.constructor = popover


  // popover no conflict
  // ===================

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

}(window.jquery);

/* ========================================================================
 * bootstrap: scrollspy.js v3.0.0
 * http://getbootstrap.com/javascript/#scrollspy
 * ========================================================================
 * copyright 2013 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";

  // scrollspy class definition
  // ==========================

  function scrollspy(element, options) {
    var href
    var process  = $.proxy(this.process, this)

    this.$element       = $(element).is('body') ? $(window) : $(element)
    this.$body          = $('body')
    this.$scrollelement = this.$element.on('scroll.bs.scroll-spy.data-api', process)
    this.options        = $.extend({}, scrollspy.defaults, options)
    this.selector       = (this.options.target
      || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
      || '') + ' .nav li > a'
    this.offsets        = $([])
    this.targets        = $([])
    this.activetarget   = null

    this.refresh()
    this.process()
  }

  scrollspy.defaults = {
    offset: 10
  }

  scrollspy.prototype.refresh = function () {
    var offsetmethod = this.$element[0] == window ? 'offset' : 'position'

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

    var self     = this
    var $targets = this.$body
      .find(this.selector)
      .map(function () {
        var $el   = $(this)
        var href  = $el.data('target') || $el.attr('href')
        var $href = /^#\w/.test(href) && $(href)

        return ($href
          && $href.length
          && [[ $href[offsetmethod]().top + (!$.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])
      })
  }

  scrollspy.prototype.process = function () {
    var scrolltop    = this.$scrollelement.scrolltop() + this.options.offset
    var scrollheight = this.$scrollelement[0].scrollheight || this.$body[0].scrollheight
    var maxscroll    = scrollheight - this.$scrollelement.height()
    var offsets      = this.offsets
    var targets      = this.targets
    var activetarget = this.activetarget
    var 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] )
    }
  }

  scrollspy.prototype.activate = function (target) {
    this.activetarget = target

    $(this.selector)
      .parents('.active')
      .removeclass('active')

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

    var active = $(selector)
      .parents('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)
      var data    = $this.data('bs.scrollspy')
      var options = typeof option == 'object' && option

      if (!data) $this.data('bs.scrollspy', (data = new scrollspy(this, options)))
      if (typeof option == 'string') data[option]()
    })
  }

  $.fn.scrollspy.constructor = scrollspy


  // 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 v3.0.0
 * http://getbootstrap.com/javascript/#tabs
 * ========================================================================
 * copyright 2013 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";

  // tab class definition
  // ====================

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

  tab.prototype.show = function () {
    var $this    = this.element
    var $ul      = $this.closest('ul:not(.dropdown-menu)')
    var selector = $this.data('target')

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

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

    var previous = $ul.find('.active:last a')[0]
    var e        = $.event('show.bs.tab', {
      relatedtarget: previous
    })

    $this.trigger(e)

    if (e.isdefaultprevented()) return

    var $target = $(selector)

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

  tab.prototype.activate = function (element, container, callback) {
    var $active    = container.find('> .active')
    var 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)
        .emulatetransitionend(150) :
      next()

    $active.removeclass('in')
  }


  // tab plugin definition
  // =====================

  var old = $.fn.tab

  $.fn.tab = function ( option ) {
    return this.each(function () {
      var $this = $(this)
      var data  = $this.data('bs.tab')

      if (!data) $this.data('bs.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.bs.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
    e.preventdefault()
    $(this).tab('show')
  })

}(window.jquery);

/* ========================================================================
 * bootstrap: affix.js v3.0.0
 * http://getbootstrap.com/javascript/#affix
 * ========================================================================
 * copyright 2013 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);