Template:BIT-China/js-bootstrap

/*!

* Bootstrap v3.1.1 (http://getbootstrap.com)
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
*/

if (typeof jQuery === 'undefined') { throw new Error('Bootstrap\'s JavaScript requires jQuery') }

/* ========================================================================

* Bootstrap: transition.js v3.1.1
* http://getbootstrap.com/javascript/#transitions
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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] }
     }
   }
   return false // explicit for ie8 (  ._.)
 }
 // 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()
 })

}(jQuery);

/* ========================================================================

* Bootstrap: alert.js v3.1.1
* http://getbootstrap.com/javascript/#alerts
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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)

}(jQuery);

/* ========================================================================

* Bootstrap: button.js v3.1.1
* http://getbootstrap.com/javascript/#buttons
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */


+function ($) {

 'use strict';
 // BUTTON PUBLIC CLASS DEFINITION
 // ==============================
 var Button = function (element, options) {
   this.$element  = $(element)
   this.options   = $.extend({}, Button.DEFAULTS, options)
   this.isLoading = false
 }
 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]())
   $el[val](data[state] || this.options[state])
   // push to event loop to allow forms to submit
   setTimeout($.proxy(function () {
     if (state == 'loadingText') {
       this.isLoading = true
       $el.addClass(d).attr(d, d)
     } else if (this.isLoading) {
       this.isLoading = false
       $el.removeClass(d).removeAttr(d)
     }
   }, this), 0)
 }
 Button.prototype.toggle = function () {
   var changed = true
   var $parent = this.$element.closest('[data-toggle="buttons"]')
   if ($parent.length) {
     var $input = this.$element.find('input')
     if ($input.prop('type') == 'radio') {
       if ($input.prop('checked') && this.$element.hasClass('active')) changed = false
       else $parent.find('.active').removeClass('active')
     }
     if (changed) $input.prop('checked', !this.$element.hasClass('active')).trigger('change')
   }
   if (changed) 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()
 })

}(jQuery);

/* ========================================================================

* Bootstrap: carousel.js v3.1.1
* http://getbootstrap.com/javascript/#carousel
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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.bs.carousel', 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 && $.support.transition) {
     this.$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]()
   }
   if ($next.hasClass('active')) return this.sliding = false
   var e = $.Event('slide.bs.carousel', { relatedTarget: $next[0], direction: direction })
   this.$element.trigger(e)
   if (e.isDefaultPrevented()) return
   this.sliding = true
   isCycling && this.pause()
   if (this.$indicators.length) {
     this.$indicators.find('.active').removeClass('active')
     this.$element.one('slid.bs.carousel', function () {
       var $nextIndicator = $(that.$indicators.children()[that.getActiveIndex()])
       $nextIndicator && $nextIndicator.addClass('active')
     })
   }
   if ($.support.transition && this.$element.hasClass('slide')) {
     $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.bs.carousel') }, 0)
       })
       .emulateTransitionEnd($active.css('transition-duration').slice(0, -1) * 1000)
   } else {
     $active.removeClass('active')
     $next.addClass('active')
     this.sliding = false
     this.$element.trigger('slid.bs.carousel')
   }
   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())
   })
 })

}(jQuery);

/* ========================================================================

* Bootstrap: collapse.js v3.1.1
* http://getbootstrap.com/javascript/#collapse
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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('collapse 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 && options.toggle && option == 'show') option = !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)
 })

}(jQuery);

/* ========================================================================

* Bootstrap: dropdown.js v3.1.1
* http://getbootstrap.com/javascript/#dropdowns
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */


+function ($) {

 'use strict';
 // DROPDOWN CLASS DEFINITION
 // =========================
 var backdrop = '.dropdown-backdrop'
 var toggle   = '[data-toggle=dropdown]'
 var Dropdown = function (element) {
   $(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 use a backdrop because click events don't delegate
       $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
     }
     var relatedTarget = { relatedTarget: this }
     $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))
     if (e.isDefaultPrevented()) return
     $parent
       .toggleClass('open')
       .trigger('shown.bs.dropdown', relatedTarget)
     $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 desc = ' li:not(.divider):visible a'
   var $items = $parent.find('[role=menu]' + desc + ', [role=listbox]' + desc)
   if (!$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(e) {
   $(backdrop).remove()
   $(toggle).each(function () {
     var $parent = getParent($(this))
     var relatedTarget = { relatedTarget: this }
     if (!$parent.hasClass('open')) return
     $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))
     if (e.isDefaultPrevented()) return
     $parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget)
   })
 }
 function getParent($this) {
   var selector = $this.attr('data-target')
   if (!selector) {
     selector = $this.attr('href')
     selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, ) //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('bs.dropdown')
     if (!data) $this.data('bs.dropdown', (data = new Dropdown(this)))
     if (typeof option == 'string') data[option].call($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], [role=listbox]', Dropdown.prototype.keydown)

}(jQuery);

/* ========================================================================

* Bootstrap: modal.js v3.1.1
* http://getbootstrap.com/javascript/#modals
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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
       .find('.modal-content')
       .load(this.options.remote, $.proxy(function () {
         this.$element.trigger('loaded.bs.modal')
       }, this))
   }
 }
 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.bs.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.$element
       .show()
       .scrollTop(0)
     if (transition) {
       that.$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.bs.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.$backdrop = null
 }
 Modal.prototype.backdrop = function (callback) {
   var animate = this.$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.bs.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('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
   if ($this.is('a')) 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') })

}(jQuery);

/* ========================================================================

* Bootstrap: tooltip.js v3.1.1
* http://getbootstrap.com/javascript/#tooltip
* Inspired by the original jQuery.tipsy by Jason Frame
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* ======================================================================== */


+function ($) {

 'use strict';
 // TOOLTIP PUBLIC CLASS DEFINITION
 // ===============================
 var Tooltip = function (element, options) {
   this.type       =
   this.options    =
   this.enabled    =
   this.timeout    =
   this.hoverState =
   this.$element   = null
   this.init('tooltip', element, options)
 }
 Tooltip.DEFAULTS = {
   animation: true,
   placement: 'top',
   selector: false,
template: '
',
   trigger: 'hover focus',
   title: ,
   delay: 0,
   html: false,
   container: false
 }
 Tooltip.prototype.init = function (type, element, options) {
   this.enabled  = true
   this.type     = type
   this.$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, $.proxy(this.toggle, this))
     } else if (trigger != 'manual') {
       var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'
       var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
       this.$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 that = this;
     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
       $tip
         .removeClass(orgPlacement)
         .addClass(placement)
     }
     var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
     this.applyPlacement(calculatedOffset, placement)
     this.hoverState = null
     var complete = function() {
       that.$element.trigger('shown.bs.' + that.type)
     }
     $.support.transition && this.$tip.hasClass('fade') ?
       $tip
         .one($.support.transition.end, complete)
         .emulateTransitionEnd(150) :
       complete()
   }
 }
 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
   // $.fn.offset doesn't round pixel values
   // so we use setOffset directly with our own function B-0
   $.offset.setOffset($tip[0], $.extend({
     using: function (props) {
       $tip.css({
         top: Math.round(props.top),
         left: Math.round(props.left)
       })
     }
   }, offset), 0)
   $tip.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') $tip.detach()
     that.$element.trigger('hidden.bs.' + that.type)
   }
   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.hoverState = null
   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 ? $(e.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type) : this
   self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
 }
 Tooltip.prototype.destroy = function () {
   clearTimeout(this.timeout)
   this.hide().$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 && option == 'destroy') return
     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
 }

}(jQuery);

/* ========================================================================

* Bootstrap: popover.js v3.1.1
* http://getbootstrap.com/javascript/#popovers
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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: '

'
 })


 // 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')[ // we use append for html objects to maintain js events
     this.options.html ? (typeof content == 'string' ? 'html' : 'append') : '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 && option == 'destroy') return
     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
 }

}(jQuery);

/* ========================================================================

* Bootstrap: scrollspy.js v3.1.1
* http://getbootstrap.com/javascript/#scrollspy
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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 = /^#./.test(href) && $(href)
       return ($href
         && $href.length
         && $href.is(':visible')
         && [[ $href[offsetMethod]().top + (!$.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)
   }
   if (activeTarget && scrollTop <= offsets[0]) {
     return activeTarget != (i = targets[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)
     .parentsUntil(this.options.target, '.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.bs.scrollspy')
 }


 // 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())
   })
 })

}(jQuery);

/* ========================================================================

* Bootstrap: tab.js v3.1.1
* http://getbootstrap.com/javascript/#tabs
* ========================================================================
* Copyright 2011-2014 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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')
 })

}(jQuery);

/* ========================================================================

* 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);