text: /* ========================================================================
   * Bootstrap: affix.js v3.1.1
   * http://getbootstrap.com/javascript/#affix
   * ========================================================================
   * Copyright 2011-2014 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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        =
      this.pinnedOffset = null
  
      this.checkPosition()
    }
  
    Affix.RESET = 'affix affix-top affix-bottom'
  
    Affix.DEFAULTS = {
      offset: 0
    }
  
    Affix.prototype.getPinnedOffset = function () {
      if (this.pinnedOffset) return this.pinnedOffset
      this.$element.removeClass(Affix.RESET).addClass('affix')
      var scrollTop = this.$window.scrollTop()
      var position  = this.$element.offset()
      return (this.pinnedOffset = position.top - scrollTop)
    }
  
    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 (this.affixed == 'top') position.top += scrollTop
  
      if (typeof offset != 'object')         offsetBottom = offsetTop = offset
      if (typeof offsetTop == 'function')    offsetTop    = offset.top(this.$element)
      if (typeof offsetBottom == 'function') offsetBottom = offset.bottom(this.$element)
  
      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', '')
  
      var affixType = 'affix' + (affix ? '-' + affix : '')
      var e         = $.Event(affixType + '.bs.affix')
  
      this.$element.trigger(e)
  
      if (e.isDefaultPrevented()) return
  
      this.affixed = affix
      this.unpin = affix == 'bottom' ? this.getPinnedOffset() : null
  
      this.$element
        .removeClass(Affix.RESET)
        .addClass(affixType)
        .trigger($.Event(affixType.replace('affix', 'affixed')))
  
      if (affix == 'bottom') {
        this.$element.offset({ top: scrollHeight - offsetBottom - this.$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)
      })
    })
  
  }(jQuery);
  