text: /**
   * Created by zyj on 2017/4/27.
   */
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  var Zepto = (function() {
      var undefined, key, $, classList, emptyArray = [], concat = emptyArray.concat, filter = emptyArray.filter, slice = emptyArray.slice,
          document = window.document,
          elementDisplay = {}, classCache = {},
          cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },
          fragmentRE = /^\s*<(\w+|!)[^>]*>/,
          singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
          tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
          rootNodeRE = /^(?:body|html)$/i,
          capitalRE = /([A-Z])/g,
  
          // special attributes that should be get/set via method calls
          methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],
  
          adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ],
          table = document.createElement('table'),
          tableRow = document.createElement('tr'),
          containers = {
              'tr': document.createElement('tbody'),
              'tbody': table, 'thead': table, 'tfoot': table,
              'td': tableRow, 'th': tableRow,
              '*': document.createElement('div')
          },
          readyRE = /complete|loaded|interactive/,
          simpleSelectorRE = /^[\w-]*$/,
          class2type = {},
          toString = class2type.toString,
          zepto = {},
          camelize, uniq,
          tempParent = document.createElement('div'),
          propMap = {
              'tabindex': 'tabIndex',
              'readonly': 'readOnly',
              'for': 'htmlFor',
              'class': 'className',
              'maxlength': 'maxLength',
              'cellspacing': 'cellSpacing',
              'cellpadding': 'cellPadding',
              'rowspan': 'rowSpan',
              'colspan': 'colSpan',
              'usemap': 'useMap',
              'frameborder': 'frameBorder',
              'contenteditable': 'contentEditable'
          },
          isArray = Array.isArray ||
              function(object){ return object instanceof Array }
  
      zepto.matches = function(element, selector) {
          if (!selector || !element || element.nodeType !== 1) return false
          var matchesSelector = element.webkitMatchesSelector || element.mozMatchesSelector ||
              element.oMatchesSelector || element.matchesSelector
          if (matchesSelector) return matchesSelector.call(element, selector)
          // fall back to performing a selector:
          var match, parent = element.parentNode, temp = !parent
          if (temp) (parent = tempParent).appendChild(element)
          match = ~zepto.qsa(parent, selector).indexOf(element)
          temp && tempParent.removeChild(element)
          return match
      }
  
      function type(obj) {
          return obj == null ? String(obj) :
              class2type[toString.call(obj)] || "object"
      }
  
      function isFunction(value) { return type(value) == "function" }
      function isWindow(obj)     { return obj != null && obj == obj.window }
      function isDocument(obj)   { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }
      function isObject(obj)     { return type(obj) == "object" }
      function isPlainObject(obj) {
          return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
      }
      function likeArray(obj) { return typeof obj.length == 'number' }
  
      function compact(array) { return filter.call(array, function(item){ return item != null }) }
      function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }
      camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
      function dasherize(str) {
          return str.replace(/::/g, '/')
              .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
              .replace(/([a-z\d])([A-Z])/g, '$1_$2')
              .replace(/_/g, '-')
              .toLowerCase()
      }
      uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) }
  
      function classRE(name) {
          return name in classCache ?
              classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
      }
  
      function maybeAddPx(name, value) {
          return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
      }
  
      function defaultDisplay(nodeName) {
          var element, display
          if (!elementDisplay[nodeName]) {
              element = document.createElement(nodeName)
              document.body.appendChild(element)
              display = getComputedStyle(element, '').getPropertyValue("display")
              element.parentNode.removeChild(element)
              display == "none" && (display = "block")
              elementDisplay[nodeName] = display
          }
          return elementDisplay[nodeName]
      }
  
      function children(element) {
          return 'children' in element ?
              slice.call(element.children) :
              $.map(element.childNodes, function(node){ if (node.nodeType == 1) return node })
      }
  
      function Z(dom, selector) {
          var i, len = dom ? dom.length : 0
          for (i = 0; i < len; i++) this[i] = dom[i]
          this.length = len
          this.selector = selector || ''
      }
  
      // `$.zepto.fragment` takes a html string and an optional tag name
      // to generate DOM nodes from the given html string.
      // The generated DOM nodes are returned as an array.
      // This function can be overridden in plugins for example to make
      // it compatible with browsers that don't support the DOM fully.
      zepto.fragment = function(html, name, properties) {
          var dom, nodes, container
  
          // A special case optimization for a single tag
          if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))
  
          if (!dom) {
              if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
              if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
              if (!(name in containers)) name = '*'
  
              container = containers[name]
              container.innerHTML = '' + html
              dom = $.each(slice.call(container.childNodes), function(){
                  container.removeChild(this)
              })
          }
  
          if (isPlainObject(properties)) {
              nodes = $(dom)
              $.each(properties, function(key, value) {
                  if (methodAttributes.indexOf(key) > -1) nodes[key](value)
                  else nodes.attr(key, value)
              })
          }
  
          return dom
      }
  
      // `$.zepto.Z` swaps out the prototype of the given `dom` array
      // of nodes with `$.fn` and thus supplying all the Zepto functions
      // to the array. This method can be overridden in plugins.
      zepto.Z = function(dom, selector) {
          return new Z(dom, selector)
      }
  
      // `$.zepto.isZ` should return `true` if the given object is a Zepto
      // collection. This method can be overridden in plugins.
      zepto.isZ = function(object) {
          return object instanceof zepto.Z
      }
  
      // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
      // takes a CSS selector and an optional context (and handles various
      // special cases).
      // This method can be overridden in plugins.
      zepto.init = function(selector, context) {
          var dom
          // If nothing given, return an empty Zepto collection
          if (!selector) return zepto.Z()
          // Optimize for string selectors
          else if (typeof selector == 'string') {
              selector = selector.trim()
              // If it's a html fragment, create nodes from it
              // Note: In both Chrome 21 and Firefox 15, DOM error 12
              // is thrown if the fragment doesn't begin with <
              if (selector[0] == '<' && fragmentRE.test(selector))
                  dom = zepto.fragment(selector, RegExp.$1, context), selector = null
              // If there's a context, create a collection on that context first, and select
              // nodes from there
              else if (context !== undefined) return $(context).find(selector)
              // If it's a CSS selector, use it to select nodes.
              else dom = zepto.qsa(document, selector)
          }
          // If a function is given, call it when the DOM is ready
          else if (isFunction(selector)) return $(document).ready(selector)
          // If a Zepto collection is given, just return it
          else if (zepto.isZ(selector)) return selector
          else {
              // normalize array if an array of nodes is given
              if (isArray(selector)) dom = compact(selector)
              // Wrap DOM nodes.
              else if (isObject(selector))
                  dom = [selector], selector = null
              // If it's a html fragment, create nodes from it
              else if (fragmentRE.test(selector))
                  dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null
              // If there's a context, create a collection on that context first, and select
              // nodes from there
              else if (context !== undefined) return $(context).find(selector)
              // And last but no least, if it's a CSS selector, use it to select nodes.
              else dom = zepto.qsa(document, selector)
          }
          // create a new Zepto collection from the nodes found
          return zepto.Z(dom, selector)
      }
  
      // `$` will be the base `Zepto` object. When calling this
      // function just call `$.zepto.init, which makes the implementation
      // details of selecting nodes and creating Zepto collections
      // patchable in plugins.
      $ = function(selector, context){
          return zepto.init(selector, context)
      }
  
      function extend(target, source, deep) {
          for (key in source)
              if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
                  if (isPlainObject(source[key]) && !isPlainObject(target[key]))
                      target[key] = {}
                  if (isArray(source[key]) && !isArray(target[key]))
                      target[key] = []
                  extend(target[key], source[key], deep)
              }
              else if (source[key] !== undefined) target[key] = source[key]
      }
  
      // Copy all but undefined properties from one or more
      // objects to the `target` object.
      $.extend = function(target){
          var deep, args = slice.call(arguments, 1)
          if (typeof target == 'boolean') {
              deep = target
              target = args.shift()
          }
          args.forEach(function(arg){ extend(target, arg, deep) })
          return target
      }
  
      // `$.zepto.qsa` is Zepto's CSS selector implementation which
      // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
      // This method can be overridden in plugins.
      zepto.qsa = function(element, selector){
          var found,
              maybeID = selector[0] == '#',
              maybeClass = !maybeID && selector[0] == '.',
              nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
              isSimple = simpleSelectorRE.test(nameOnly)
          return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById
              ( (found = element.getElementById(nameOnly)) ? [found] : [] ) :
              (element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] :
                  slice.call(
                      isSimple && !maybeID && element.getElementsByClassName ? // DocumentFragment doesn't have getElementsByClassName/TagName
                          maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class
                              element.getElementsByTagName(selector) : // Or a tag
                          element.querySelectorAll(selector) // Or it's not simple, and we need to query all
                  )
      }
  
      function filtered(nodes, selector) {
          return selector == null ? $(nodes) : $(nodes).filter(selector)
      }
  
      $.contains = document.documentElement.contains ?
          function(parent, node) {
              return parent !== node && parent.contains(node)
          } :
          function(parent, node) {
              while (node && (node = node.parentNode))
                  if (node === parent) return true
              return false
          }
  
      function funcArg(context, arg, idx, payload) {
          return isFunction(arg) ? arg.call(context, idx, payload) : arg
      }
  
      function setAttribute(node, name, value) {
          value == null ? node.removeAttribute(name) : node.setAttribute(name, value)
      }
  
      // access className property while respecting SVGAnimatedString
      function className(node, value){
          var klass = node.className || '',
              svg   = klass && klass.baseVal !== undefined
  
          if (value === undefined) return svg ? klass.baseVal : klass
          svg ? (klass.baseVal = value) : (node.className = value)
      }
  
      // "true"  => true
      // "false" => false
      // "null"  => null
      // "42"    => 42
      // "42.5"  => 42.5
      // "08"    => "08"
      // JSON    => parse if valid
      // String  => self
      function deserializeValue(value) {
          try {
              return value ?
                  value == "true" ||
                  ( value == "false" ? false :
                      value == "null" ? null :
                          +value + "" == value ? +value :
                              /^[\[\{]/.test(value) ? $.parseJSON(value) :
                                  value )
                  : value
          } catch(e) {
              return value
          }
      }
  
      $.type = type
      $.isFunction = isFunction
      $.isWindow = isWindow
      $.isArray = isArray
      $.isPlainObject = isPlainObject
  
      $.isEmptyObject = function(obj) {
          var name
          for (name in obj) return false
          return true
      }
  
      $.inArray = function(elem, array, i){
          return emptyArray.indexOf.call(array, elem, i)
      }
  
      $.camelCase = camelize
      $.trim = function(str) {
          return str == null ? "" : String.prototype.trim.call(str)
      }
  
      // plugin compatibility
      $.uuid = 0
      $.support = { }
      $.expr = { }
      $.noop = function() {}
  
      $.map = function(elements, callback){
          var value, values = [], i, key
          if (likeArray(elements))
              for (i = 0; i < elements.length; i++) {
                  value = callback(elements[i], i)
                  if (value != null) values.push(value)
              }
          else
              for (key in elements) {
                  value = callback(elements[key], key)
                  if (value != null) values.push(value)
              }
          return flatten(values)
      }
  
      $.each = function(elements, callback){
          var i, key
          if (likeArray(elements)) {
              for (i = 0; i < elements.length; i++)
                  if (callback.call(elements[i], i, elements[i]) === false) return elements
          } else {
              for (key in elements)
                  if (callback.call(elements[key], key, elements[key]) === false) return elements
          }
  
          return elements
      }
  
      $.grep = function(elements, callback){
          return filter.call(elements, callback)
      }
  
      if (window.JSON) $.parseJSON = JSON.parse
  
      // Populate the class2type map
      $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
          class2type[ "[object " + name + "]" ] = name.toLowerCase()
      })
  
      // Define methods that will be available on all
      // Zepto collections
      $.fn = {
          constructor: zepto.Z,
          length: 0,
  
          // Because a collection acts like an array
          // copy over these useful array functions.
          forEach: emptyArray.forEach,
          reduce: emptyArray.reduce,
          push: emptyArray.push,
          sort: emptyArray.sort,
          splice: emptyArray.splice,
          indexOf: emptyArray.indexOf,
          concat: function(){
              var i, value, args = []
              for (i = 0; i < arguments.length; i++) {
                  value = arguments[i]
                  args[i] = zepto.isZ(value) ? value.toArray() : value
              }
              return concat.apply(zepto.isZ(this) ? this.toArray() : this, args)
          },
  
          // `map` and `slice` in the jQuery API work differently
          // from their array counterparts
          map: function(fn){
              return $($.map(this, function(el, i){ return fn.call(el, i, el) }))
          },
          slice: function(){
              return $(slice.apply(this, arguments))
          },
  
          ready: function(callback){
              // need to check if document.body exists for IE as that browser reports
              // document ready when it hasn't yet created the body element
              if (readyRE.test(document.readyState) && document.body) callback($)
              else document.addEventListener('DOMContentLoaded', function(){ callback($) }, false)
              return this
          },
          get: function(idx){
              return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
          },
          toArray: function(){ return this.get() },
          size: function(){
              return this.length
          },
          remove: function(){
              return this.each(function(){
                  if (this.parentNode != null)
                      this.parentNode.removeChild(this)
              })
          },
          each: function(callback){
              emptyArray.every.call(this, function(el, idx){
                  return callback.call(el, idx, el) !== false
              })
              return this
          },
          filter: function(selector){
              if (isFunction(selector)) return this.not(this.not(selector))
              return $(filter.call(this, function(element){
                  return zepto.matches(element, selector)
              }))
          },
          add: function(selector,context){
              return $(uniq(this.concat($(selector,context))))
          },
          is: function(selector){
              return this.length > 0 && zepto.matches(this[0], selector)
          },
          not: function(selector){
              var nodes=[]
              if (isFunction(selector) && selector.call !== undefined)
                  this.each(function(idx){
                      if (!selector.call(this,idx)) nodes.push(this)
                  })
              else {
                  var excludes = typeof selector == 'string' ? this.filter(selector) :
                      (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)
                  this.forEach(function(el){
                      if (excludes.indexOf(el) < 0) nodes.push(el)
                  })
              }
              return $(nodes)
          },
          has: function(selector){
              return this.filter(function(){
                  return isObject(selector) ?
                      $.contains(this, selector) :
                      $(this).find(selector).size()
              })
          },
          eq: function(idx){
              return idx === -1 ? this.slice(idx) : this.slice(idx, + idx + 1)
          },
          first: function(){
              var el = this[0]
              return el && !isObject(el) ? el : $(el)
          },
          last: function(){
              var el = this[this.length - 1]
              return el && !isObject(el) ? el : $(el)
          },
          find: function(selector){
              var result, $this = this
              if (!selector) result = $()
              else if (typeof selector == 'object')
                  result = $(selector).filter(function(){
                      var node = this
                      return emptyArray.some.call($this, function(parent){
                          return $.contains(parent, node)
                      })
                  })
              else if (this.length == 1) result = $(zepto.qsa(this[0], selector))
              else result = this.map(function(){ return zepto.qsa(this, selector) })
              return result
          },
          closest: function(selector, context){
              var node = this[0], collection = false
              if (typeof selector == 'object') collection = $(selector)
              while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
                  node = node !== context && !isDocument(node) && node.parentNode
              return $(node)
          },
          parents: function(selector){
              var ancestors = [], nodes = this
              while (nodes.length > 0)
                  nodes = $.map(nodes, function(node){
                      if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {
                          ancestors.push(node)
                          return node
                      }
                  })
              return filtered(ancestors, selector)
          },
          parent: function(selector){
              return filtered(uniq(this.pluck('parentNode')), selector)
          },
          children: function(selector){
              return filtered(this.map(function(){ return children(this) }), selector)
          },
          contents: function() {
              return this.map(function() { return this.contentDocument || slice.call(this.childNodes) })
          },
          siblings: function(selector){
              return filtered(this.map(function(i, el){
                  return filter.call(children(el.parentNode), function(child){ return child!==el })
              }), selector)
          },
          empty: function(){
              return this.each(function(){ this.innerHTML = '' })
          },
          // `pluck` is borrowed from Prototype.js
          pluck: function(property){
              return $.map(this, function(el){ return el[property] })
          },
          show: function(){
              return this.each(function(){
                  this.style.display == "none" && (this.style.display = '')
                  if (getComputedStyle(this, '').getPropertyValue("display") == "none")
                      this.style.display = defaultDisplay(this.nodeName)
              })
          },
          replaceWith: function(newContent){
              return this.before(newContent).remove()
          },
          wrap: function(structure){
              var func = isFunction(structure)
              if (this[0] && !func)
                  var dom   = $(structure).get(0),
                      clone = dom.parentNode || this.length > 1
  
              return this.each(function(index){
                  $(this).wrapAll(
                      func ? structure.call(this, index) :
                          clone ? dom.cloneNode(true) : dom
                  )
              })
          },
          wrapAll: function(structure){
              if (this[0]) {
                  $(this[0]).before(structure = $(structure))
                  var children
                  // drill down to the inmost element
                  while ((children = structure.children()).length) structure = children.first()
                  $(structure).append(this)
              }
              return this
          },
          wrapInner: function(structure){
              var func = isFunction(structure)
              return this.each(function(index){
                  var self = $(this), contents = self.contents(),
                      dom  = func ? structure.call(this, index) : structure
                  contents.length ? contents.wrapAll(dom) : self.append(dom)
              })
          },
          unwrap: function(){
              this.parent().each(function(){
                  $(this).replaceWith($(this).children())
              })
              return this
          },
          clone: function(){
              return this.map(function(){ return this.cloneNode(true) })
          },
          hide: function(){
              return this.css("display", "none")
          },
          toggle: function(setting){
              return this.each(function(){
                  var el = $(this)
                      ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide()
              })
          },
          prev: function(selector){ return $(this.pluck('previousElementSibling')).filter(selector || '*') },
          next: function(selector){ return $(this.pluck('nextElementSibling')).filter(selector || '*') },
          html: function(html){
              return 0 in arguments ?
                  this.each(function(idx){
                      var originHtml = this.innerHTML
                      $(this).empty().append( funcArg(this, html, idx, originHtml) )
                  }) :
                  (0 in this ? this[0].innerHTML : null)
          },
          text: function(text){
              return 0 in arguments ?
                  this.each(function(idx){
                      var newText = funcArg(this, text, idx, this.textContent)
                      this.textContent = newText == null ? '' : ''+newText
                  }) :
                  (0 in this ? this.pluck('textContent').join("") : null)
          },
          attr: function(name, value){
              var result
              return (typeof name == 'string' && !(1 in arguments)) ?
                  (!this.length || this[0].nodeType !== 1 ? undefined :
                          (!(result = this[0].getAttribute(name)) && name in this[0]) ? this[0][name] : result
                  ) :
                  this.each(function(idx){
                      if (this.nodeType !== 1) return
                      if (isObject(name)) for (key in name) setAttribute(this, key, name[key])
                      else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))
                  })
          },
          removeAttr: function(name){
              return this.each(function(){ this.nodeType === 1 && name.split(' ').forEach(function(attribute){
                  setAttribute(this, attribute)
              }, this)})
          },
          prop: function(name, value){
              name = propMap[name] || name
              return (1 in arguments) ?
                  this.each(function(idx){
                      this[name] = funcArg(this, value, idx, this[name])
                  }) :
                  (this[0] && this[0][name])
          },
          data: function(name, value){
              var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase()
  
              var data = (1 in arguments) ?
                  this.attr(attrName, value) :
                  this.attr(attrName)
  
              return data !== null ? deserializeValue(data) : undefined
          },
          val: function(value){
              return 0 in arguments ?
                  this.each(function(idx){
                      this.value = funcArg(this, value, idx, this.value)
                  }) :
                  (this[0] && (this[0].multiple ?
                          $(this[0]).find('option').filter(function(){ return this.selected }).pluck('value') :
                          this[0].value)
                  )
          },
          offset: function(coordinates){
              if (coordinates) return this.each(function(index){
                  var $this = $(this),
                      coords = funcArg(this, coordinates, index, $this.offset()),
                      parentOffset = $this.offsetParent().offset(),
                      props = {
                          top:  coords.top  - parentOffset.top,
                          left: coords.left - parentOffset.left
                      }
  
                  if ($this.css('position') == 'static') props['position'] = 'relative'
                  $this.css(props)
              })
              if (!this.length) return null
              if (!$.contains(document.documentElement, this[0]))
                  return {top: 0, left: 0}
              var obj = this[0].getBoundingClientRect()
              return {
                  left: obj.left + window.pageXOffset,
                  top: obj.top + window.pageYOffset,
                  width: Math.round(obj.width),
                  height: Math.round(obj.height)
              }
          },
          css: function(property, value){
              if (arguments.length < 2) {
                  var computedStyle, element = this[0]
                  if(!element) return
                  computedStyle = getComputedStyle(element, '')
                  if (typeof property == 'string')
                      return element.style[camelize(property)] || computedStyle.getPropertyValue(property)
                  else if (isArray(property)) {
                      var props = {}
                      $.each(property, function(_, prop){
                          props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))
                      })
                      return props
                  }
              }
  
              var css = ''
              if (type(property) == 'string') {
                  if (!value && value !== 0)
                      this.each(function(){ this.style.removeProperty(dasherize(property)) })
                  else
                      css = dasherize(property) + ":" + maybeAddPx(property, value)
              } else {
                  for (key in property)
                      if (!property[key] && property[key] !== 0)
                          this.each(function(){ this.style.removeProperty(dasherize(key)) })
                      else
                          css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
              }
  
              return this.each(function(){ this.style.cssText += ';' + css })
          },
          index: function(element){
              return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])
          },
          hasClass: function(name){
              if (!name) return false
              return emptyArray.some.call(this, function(el){
                  return this.test(className(el))
              }, classRE(name))
          },
          addClass: function(name){
              if (!name) return this
              return this.each(function(idx){
                  if (!('className' in this)) return
                  classList = []
                  var cls = className(this), newName = funcArg(this, name, idx, cls)
                  newName.split(/\s+/g).forEach(function(klass){
                      if (!$(this).hasClass(klass)) classList.push(klass)
                  }, this)
                  classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))
              })
          },
          removeClass: function(name){
              return this.each(function(idx){
                  if (!('className' in this)) return
                  if (name === undefined) return className(this, '')
                  classList = className(this)
                  funcArg(this, name, idx, classList).split(/\s+/g).forEach(function(klass){
                      classList = classList.replace(classRE(klass), " ")
                  })
                  className(this, classList.trim())
              })
          },
          toggleClass: function(name, when){
              if (!name) return this
              return this.each(function(idx){
                  var $this = $(this), names = funcArg(this, name, idx, className(this))
                  names.split(/\s+/g).forEach(function(klass){
                      (when === undefined ? !$this.hasClass(klass) : when) ?
                          $this.addClass(klass) : $this.removeClass(klass)
                  })
              })
          },
          scrollTop: function(value){
              if (!this.length) return
              var hasScrollTop = 'scrollTop' in this[0]
              if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset
              return this.each(hasScrollTop ?
                  function(){ this.scrollTop = value } :
                  function(){ this.scrollTo(this.scrollX, value) })
          },
          scrollLeft: function(value){
              if (!this.length) return
              var hasScrollLeft = 'scrollLeft' in this[0]
              if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset
              return this.each(hasScrollLeft ?
                  function(){ this.scrollLeft = value } :
                  function(){ this.scrollTo(value, this.scrollY) })
          },
          position: function() {
              if (!this.length) return
  
              var elem = this[0],
                  // Get *real* offsetParent
                  offsetParent = this.offsetParent(),
                  // Get correct offsets
                  offset       = this.offset(),
                  parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset()
  
              // Subtract element margins
              // note: when an element has margin: auto the offsetLeft and marginLeft
              // are the same in Safari causing offset.left to incorrectly be 0
              offset.top  -= parseFloat( $(elem).css('margin-top') ) || 0
              offset.left -= parseFloat( $(elem).css('margin-left') ) || 0
  
              // Add offsetParent borders
              parentOffset.top  += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0
              parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0
  
              // Subtract the two offsets
              return {
                  top:  offset.top  - parentOffset.top,
                  left: offset.left - parentOffset.left
              }
          },
          offsetParent: function() {
              return this.map(function(){
                  var parent = this.offsetParent || document.body
                  while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
                      parent = parent.offsetParent
                  return parent
              })
          }
      }
  
      // for now
      $.fn.detach = $.fn.remove
  
      // Generate the `width` and `height` functions
      ;['width', 'height'].forEach(function(dimension){
          var dimensionProperty =
              dimension.replace(/./, function(m){ return m[0].toUpperCase() })
  
          $.fn[dimension] = function(value){
              var offset, el = this[0]
              if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :
                  isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :
                      (offset = this.offset()) && offset[dimension]
              else return this.each(function(idx){
                  el = $(this)
                  el.css(dimension, funcArg(this, value, idx, el[dimension]()))
              })
          }
      })
  
      function traverseNode(node, fun) {
          fun(node)
          for (var i = 0, len = node.childNodes.length; i < len; i++)
              traverseNode(node.childNodes[i], fun)
      }
  
      // Generate the `after`, `prepend`, `before`, `append`,
      // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
      adjacencyOperators.forEach(function(operator, operatorIndex) {
          var inside = operatorIndex % 2 //=> prepend, append
  
          $.fn[operator] = function(){
              // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
              var argType, nodes = $.map(arguments, function(arg) {
                      argType = type(arg)
                      return argType == "object" || argType == "array" || arg == null ?
                          arg : zepto.fragment(arg)
                  }),
                  parent, copyByClone = this.length > 1
              if (nodes.length < 1) return this
  
              return this.each(function(_, target){
                  parent = inside ? target : target.parentNode
  
                  // convert all methods to a "before" operation
                  target = operatorIndex == 0 ? target.nextSibling :
                      operatorIndex == 1 ? target.firstChild :
                          operatorIndex == 2 ? target :
                              null
  
                  var parentInDocument = $.contains(document.documentElement, parent)
  
                  nodes.forEach(function(node){
                      if (copyByClone) node = node.cloneNode(true)
                      else if (!parent) return $(node).remove()
  
                      parent.insertBefore(node, target)
                      if (parentInDocument) traverseNode(node, function(el){
                          if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&
                              (!el.type || el.type === 'text/javascript') && !el.src)
                              window['eval'].call(window, el.innerHTML)
                      })
                  })
              })
          }
  
          // after    => insertAfter
          // prepend  => prependTo
          // before   => insertBefore
          // append   => appendTo
          $.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] = function(html){
              $(html)[operator](this)
              return this
          }
      })
  
      zepto.Z.prototype = Z.prototype = $.fn
  
      // Export internal API functions in the `$.zepto` namespace
      zepto.uniq = uniq
      zepto.deserializeValue = deserializeValue
      $.zepto = zepto
  
      return $
  })()
  
  // If `$` is not yet defined, point it to `Zepto`
  window.Zepto = Zepto
  window.$ === undefined && (window.$ = Zepto)
  
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function($){
      var jsonpID = 0,
          document = window.document,
          key,
          name,
          rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
          scriptTypeRE = /^(?:text|application)\/javascript/i,
          xmlTypeRE = /^(?:text|application)\/xml/i,
          jsonType = 'application/json',
          htmlType = 'text/html',
          blankRE = /^\s*$/,
          originAnchor = document.createElement('a')
  
      originAnchor.href = window.location.href
  
      // trigger a custom event and return false if it was cancelled
      function triggerAndReturn(context, eventName, data) {
          var event = $.Event(eventName)
          $(context).trigger(event, data)
          return !event.isDefaultPrevented()
      }
  
      // trigger an Ajax "global" event
      function triggerGlobal(settings, context, eventName, data) {
          if (settings.global) return triggerAndReturn(context || document, eventName, data)
      }
  
      // Number of active Ajax requests
      $.active = 0
  
      function ajaxStart(settings) {
          if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')
      }
      function ajaxStop(settings) {
          if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')
      }
  
      // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
      function ajaxBeforeSend(xhr, settings) {
          var context = settings.context
          if (settings.beforeSend.call(context, xhr, settings) === false ||
              triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)
              return false
  
          triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])
      }
      function ajaxSuccess(data, xhr, settings, deferred) {
          var context = settings.context, status = 'success'
          settings.success.call(context, data, status, xhr)
          if (deferred) deferred.resolveWith(context, [data, status, xhr])
          triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])
          ajaxComplete(status, xhr, settings)
      }
      // type: "timeout", "error", "abort", "parsererror"
      function ajaxError(error, type, xhr, settings, deferred) {
          var context = settings.context
          settings.error.call(context, xhr, type, error)
          if (deferred) deferred.rejectWith(context, [xhr, type, error])
          triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])
          ajaxComplete(type, xhr, settings)
      }
      // status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
      function ajaxComplete(status, xhr, settings) {
          var context = settings.context
          settings.complete.call(context, xhr, status)
          triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])
          ajaxStop(settings)
      }
  
      // Empty function, used as default callback
      function empty() {}
  
      $.ajaxJSONP = function(options, deferred){
          if (!('type' in options)) return $.ajax(options)
  
          var _callbackName = options.jsonpCallback,
              callbackName = ($.isFunction(_callbackName) ?
                      _callbackName() : _callbackName) || ('jsonp' + (++jsonpID)),
              script = document.createElement('script'),
              originalCallback = window[callbackName],
              responseData,
              abort = function(errorType) {
                  $(script).triggerHandler('error', errorType || 'abort')
              },
              xhr = { abort: abort }, abortTimeout
  
          if (deferred) deferred.promise(xhr)
  
          $(script).on('load error', function(e, errorType){
              clearTimeout(abortTimeout)
              $(script).off().remove()
  
              if (e.type == 'error' || !responseData) {
                  ajaxError(null, errorType || 'error', xhr, options, deferred)
              } else {
                  ajaxSuccess(responseData[0], xhr, options, deferred)
              }
  
              window[callbackName] = originalCallback
              if (responseData && $.isFunction(originalCallback))
                  originalCallback(responseData[0])
  
              originalCallback = responseData = undefined
          })
  
          if (ajaxBeforeSend(xhr, options) === false) {
              abort('abort')
              return xhr
          }
  
          window[callbackName] = function(){
              responseData = arguments
          }
  
          script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)
          document.head.appendChild(script)
  
          if (options.timeout > 0) abortTimeout = setTimeout(function(){
              abort('timeout')
          }, options.timeout)
  
          return xhr
      }
  
      $.ajaxSettings = {
          // Default type of request
          type: 'GET',
          // Callback that is executed before request
          beforeSend: empty,
          // Callback that is executed if the request succeeds
          success: empty,
          // Callback that is executed the the server drops error
          error: empty,
          // Callback that is executed on request complete (both: error and success)
          complete: empty,
          // The context for the callbacks
          context: null,
          // Whether to trigger "global" Ajax events
          global: true,
          // Transport
          xhr: function () {
              return new window.XMLHttpRequest()
          },
          // MIME types mapping
          // IIS returns Javascript as "application/x-javascript"
          accepts: {
              script: 'text/javascript, application/javascript, application/x-javascript',
              json:   jsonType,
              xml:    'application/xml, text/xml',
              html:   htmlType,
              text:   'text/plain'
          },
          // Whether the request is to another domain
          crossDomain: false,
          // Default timeout
          timeout: 0,
          // Whether data should be serialized to string
          processData: true,
          // Whether the browser should be allowed to cache GET responses
          cache: true
      }
  
      function mimeToDataType(mime) {
          if (mime) mime = mime.split(';', 2)[0]
          return mime && ( mime == htmlType ? 'html' :
                  mime == jsonType ? 'json' :
                      scriptTypeRE.test(mime) ? 'script' :
                          xmlTypeRE.test(mime) && 'xml' ) || 'text'
      }
  
      function appendQuery(url, query) {
          if (query == '') return url
          return (url + '&' + query).replace(/[&?]{1,2}/, '?')
      }
  
      // serialize payload and append it to the URL for GET requests
      function serializeData(options) {
          if (options.processData && options.data && $.type(options.data) != "string")
              options.data = $.param(options.data, options.traditional)
          if (options.data && (!options.type || options.type.toUpperCase() == 'GET'))
              options.url = appendQuery(options.url, options.data), options.data = undefined
      }
  
      $.ajax = function(options){
          var settings = $.extend({}, options || {}),
              deferred = $.Deferred && $.Deferred(),
              urlAnchor, hashIndex
          for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]
  
          ajaxStart(settings)
  
          if (!settings.crossDomain) {
              urlAnchor = document.createElement('a')
              urlAnchor.href = settings.url
              // cleans up URL for .href (IE only), see https://github.com/madrobby/zepto/pull/1049
              urlAnchor.href = urlAnchor.href
              settings.crossDomain = (originAnchor.protocol + '//' + originAnchor.host) !== (urlAnchor.protocol + '//' + urlAnchor.host)
          }
  
          if (!settings.url) settings.url = window.location.toString()
          if ((hashIndex = settings.url.indexOf('#')) > -1) settings.url = settings.url.slice(0, hashIndex)
          serializeData(settings)
  
          var dataType = settings.dataType, hasPlaceholder = /\?.+=\?/.test(settings.url)
          if (hasPlaceholder) dataType = 'jsonp'
  
          if (settings.cache === false || (
                  (!options || options.cache !== true) &&
                  ('script' == dataType || 'jsonp' == dataType)
              ))
              settings.url = appendQuery(settings.url, '_=' + Date.now())
  
          if ('jsonp' == dataType) {
              if (!hasPlaceholder)
                  settings.url = appendQuery(settings.url,
                      settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')
              return $.ajaxJSONP(settings, deferred)
          }
  
          var mime = settings.accepts[dataType],
              headers = { },
              setHeader = function(name, value) { headers[name.toLowerCase()] = [name, value] },
              protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,
              xhr = settings.xhr(),
              nativeSetHeader = xhr.setRequestHeader,
              abortTimeout
  
          if (deferred) deferred.promise(xhr)
  
          if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')
          setHeader('Accept', mime || '*/*')
          if (mime = settings.mimeType || mime) {
              if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]
              xhr.overrideMimeType && xhr.overrideMimeType(mime)
          }
          if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))
              setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')
  
          if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name])
          xhr.setRequestHeader = setHeader
  
          xhr.onreadystatechange = function(){
              if (xhr.readyState == 4) {
                  xhr.onreadystatechange = empty
                  clearTimeout(abortTimeout)
                  var result, error = false
                  if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {
                      dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))
  
                      if (xhr.responseType == 'arraybuffer' || xhr.responseType == 'blob')
                          result = xhr.response
                      else {
                          result = xhr.responseText
  
                          try {
                              // http://perfectionkills.com/global-eval-what-are-the-options/
                              if (dataType == 'script')    (1,eval)(result)
                              else if (dataType == 'xml')  result = xhr.responseXML
                              else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)
                          } catch (e) { error = e }
  
                          if (error) return ajaxError(error, 'parsererror', xhr, settings, deferred)
                      }
  
                      ajaxSuccess(result, xhr, settings, deferred)
                  } else {
                      ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)
                  }
              }
          }
  
          if (ajaxBeforeSend(xhr, settings) === false) {
              xhr.abort()
              ajaxError(null, 'abort', xhr, settings, deferred)
              return xhr
          }
  
          if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]
  
          var async = 'async' in settings ? settings.async : true
          xhr.open(settings.type, settings.url, async, settings.username, settings.password)
  
          for (name in headers) nativeSetHeader.apply(xhr, headers[name])
  
          if (settings.timeout > 0) abortTimeout = setTimeout(function(){
              xhr.onreadystatechange = empty
              xhr.abort()
              ajaxError(null, 'timeout', xhr, settings, deferred)
          }, settings.timeout)
  
          // avoid sending empty string (#319)
          xhr.send(settings.data ? settings.data : null)
          return xhr
      }
  
      // handle optional data/success arguments
      function parseArguments(url, data, success, dataType) {
          if ($.isFunction(data)) dataType = success, success = data, data = undefined
          if (!$.isFunction(success)) dataType = success, success = undefined
          return {
              url: url
              , data: data
              , success: success
              , dataType: dataType
          }
      }
  
      $.get = function(/* url, data, success, dataType */){
          return $.ajax(parseArguments.apply(null, arguments))
      }
  
      $.post = function(/* url, data, success, dataType */){
          var options = parseArguments.apply(null, arguments)
          options.type = 'POST'
          return $.ajax(options)
      }
  
      $.getJSON = function(/* url, data, success */){
          var options = parseArguments.apply(null, arguments)
          options.dataType = 'json'
          return $.ajax(options)
      }
  
      $.fn.load = function(url, data, success){
          if (!this.length) return this
          var self = this, parts = url.split(/\s/), selector,
              options = parseArguments(url, data, success),
              callback = options.success
          if (parts.length > 1) options.url = parts[0], selector = parts[1]
          options.success = function(response){
              self.html(selector ?
                  $('<div>').html(response.replace(rscript, "")).find(selector)
                  : response)
              callback && callback.apply(self, arguments)
          }
          $.ajax(options)
          return this
      }
  
      var escape = encodeURIComponent
  
      function serialize(params, obj, traditional, scope){
          var type, array = $.isArray(obj), hash = $.isPlainObject(obj)
          $.each(obj, function(key, value) {
              type = $.type(value)
              if (scope) key = traditional ? scope :
                  scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
              // handle data in serializeArray() format
              if (!scope && array) params.add(value.name, value.value)
              // recurse into nested objects
              else if (type == "array" || (!traditional && type == "object"))
                  serialize(params, value, traditional, key)
              else params.add(key, value)
          })
      }
  
      $.param = function(obj, traditional){
          var params = []
          params.add = function(key, value) {
              if ($.isFunction(value)) value = value()
              if (value == null) value = ""
              this.push(escape(key) + '=' + escape(value))
          }
          serialize(params, obj, traditional)
          return params.join('&').replace(/%20/g, '+')
      }
  })(Zepto)
  
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function($){
      var _zid = 1, undefined,
          slice = Array.prototype.slice,
          isFunction = $.isFunction,
          isString = function(obj){ return typeof obj == 'string' },
          handlers = {},
          specialEvents={},
          focusinSupported = 'onfocusin' in window,
          focus = { focus: 'focusin', blur: 'focusout' },
          hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' }
  
      specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'
  
      function zid(element) {
          return element._zid || (element._zid = _zid++)
      }
      function findHandlers(element, event, fn, selector) {
          event = parse(event)
          if (event.ns) var matcher = matcherFor(event.ns)
          return (handlers[zid(element)] || []).filter(function(handler) {
              return handler
                  && (!event.e  || handler.e == event.e)
                  && (!event.ns || matcher.test(handler.ns))
                  && (!fn       || zid(handler.fn) === zid(fn))
                  && (!selector || handler.sel == selector)
          })
      }
      function parse(event) {
          var parts = ('' + event).split('.')
          return {e: parts[0], ns: parts.slice(1).sort().join(' ')}
      }
      function matcherFor(ns) {
          return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')
      }
  
      function eventCapture(handler, captureSetting) {
          return handler.del &&
              (!focusinSupported && (handler.e in focus)) ||
              !!captureSetting
      }
  
      function realEvent(type) {
          return hover[type] || (focusinSupported && focus[type]) || type
      }
  
      function add(element, events, fn, data, selector, delegator, capture){
          var id = zid(element), set = (handlers[id] || (handlers[id] = []))
          events.split(/\s/).forEach(function(event){
              if (event == 'ready') return $(document).ready(fn)
              var handler   = parse(event)
              handler.fn    = fn
              handler.sel   = selector
              // emulate mouseenter, mouseleave
              if (handler.e in hover) fn = function(e){
                  var related = e.relatedTarget
                  if (!related || (related !== this && !$.contains(this, related)))
                      return handler.fn.apply(this, arguments)
              }
              handler.del   = delegator
              var callback  = delegator || fn
              handler.proxy = function(e){
                  e = compatible(e)
                  if (e.isImmediatePropagationStopped()) return
                  e.data = data
                  var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))
                  if (result === false) e.preventDefault(), e.stopPropagation()
                  return result
              }
              handler.i = set.length
              set.push(handler)
              if ('addEventListener' in element)
                  element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
          })
      }
      function remove(element, events, fn, selector, capture){
          var id = zid(element)
              ;(events || '').split(/\s/).forEach(function(event){
              findHandlers(element, event, fn, selector).forEach(function(handler){
                  delete handlers[id][handler.i]
                  if ('removeEventListener' in element)
                      element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
              })
          })
      }
  
      $.event = { add: add, remove: remove }
  
      $.proxy = function(fn, context) {
          var args = (2 in arguments) && slice.call(arguments, 2)
          if (isFunction(fn)) {
              var proxyFn = function(){ return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments) }
              proxyFn._zid = zid(fn)
              return proxyFn
          } else if (isString(context)) {
              if (args) {
                  args.unshift(fn[context], fn)
                  return $.proxy.apply(null, args)
              } else {
                  return $.proxy(fn[context], fn)
              }
          } else {
              throw new TypeError("expected function")
          }
      }
  
      $.fn.bind = function(event, data, callback){
          return this.on(event, data, callback)
      }
      $.fn.unbind = function(event, callback){
          return this.off(event, callback)
      }
      $.fn.one = function(event, selector, data, callback){
          return this.on(event, selector, data, callback, 1)
      }
  
      var returnTrue = function(){return true},
          returnFalse = function(){return false},
          ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/,
          eventMethods = {
              preventDefault: 'isDefaultPrevented',
              stopImmediatePropagation: 'isImmediatePropagationStopped',
              stopPropagation: 'isPropagationStopped'
          }
  
      function compatible(event, source) {
          if (source || !event.isDefaultPrevented) {
              source || (source = event)
  
              $.each(eventMethods, function(name, predicate) {
                  var sourceMethod = source[name]
                  event[name] = function(){
                      this[predicate] = returnTrue
                      return sourceMethod && sourceMethod.apply(source, arguments)
                  }
                  event[predicate] = returnFalse
              })
  
              if (source.defaultPrevented !== undefined ? source.defaultPrevented :
                      'returnValue' in source ? source.returnValue === false :
                          source.getPreventDefault && source.getPreventDefault())
                  event.isDefaultPrevented = returnTrue
          }
          return event
      }
  
      function createProxy(event) {
          var key, proxy = { originalEvent: event }
          for (key in event)
              if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]
  
          return compatible(proxy, event)
      }
  
      $.fn.delegate = function(selector, event, callback){
          return this.on(event, selector, callback)
      }
      $.fn.undelegate = function(selector, event, callback){
          return this.off(event, selector, callback)
      }
  
      $.fn.live = function(event, callback){
          $(document.body).delegate(this.selector, event, callback)
          return this
      }
      $.fn.die = function(event, callback){
          $(document.body).undelegate(this.selector, event, callback)
          return this
      }
  
      $.fn.on = function(event, selector, data, callback, one){
          var autoRemove, delegator, $this = this
          if (event && !isString(event)) {
              $.each(event, function(type, fn){
                  $this.on(type, selector, data, fn, one)
              })
              return $this
          }
  
          if (!isString(selector) && !isFunction(callback) && callback !== false)
              callback = data, data = selector, selector = undefined
          if (callback === undefined || data === false)
              callback = data, data = undefined
  
          if (callback === false) callback = returnFalse
  
          return $this.each(function(_, element){
              if (one) autoRemove = function(e){
                  remove(element, e.type, callback)
                  return callback.apply(this, arguments)
              }
  
              if (selector) delegator = function(e){
                  var evt, match = $(e.target).closest(selector, element).get(0)
                  if (match && match !== element) {
                      evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element})
                      return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))
                  }
              }
  
              add(element, event, callback, data, selector, delegator || autoRemove)
          })
      }
      $.fn.off = function(event, selector, callback){
          var $this = this
          if (event && !isString(event)) {
              $.each(event, function(type, fn){
                  $this.off(type, selector, fn)
              })
              return $this
          }
  
          if (!isString(selector) && !isFunction(callback) && callback !== false)
              callback = selector, selector = undefined
  
          if (callback === false) callback = returnFalse
  
          return $this.each(function(){
              remove(this, event, callback, selector)
          })
      }
  
      $.fn.trigger = function(event, args){
          event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)
          event._args = args
          return this.each(function(){
              // handle focus(), blur() by calling them directly
              if (event.type in focus && typeof this[event.type] == "function") this[event.type]()
              // items in the collection might not be DOM elements
              else if ('dispatchEvent' in this) this.dispatchEvent(event)
              else $(this).triggerHandler(event, args)
          })
      }
  
      // triggers event handlers on current element just as if an event occurred,
      // doesn't trigger an actual event, doesn't bubble
      $.fn.triggerHandler = function(event, args){
          var e, result
          this.each(function(i, element){
              e = createProxy(isString(event) ? $.Event(event) : event)
              e._args = args
              e.target = element
              $.each(findHandlers(element, event.type || event), function(i, handler){
                  result = handler.proxy(e)
                  if (e.isImmediatePropagationStopped()) return false
              })
          })
          return result
      }
  
      // shortcut methods for `.bind(event, fn)` for each event type
      ;('focusin focusout focus blur load resize scroll unload click dblclick '+
      'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+
      'change select keydown keypress keyup error').split(' ').forEach(function(event) {
          $.fn[event] = function(callback) {
              return (0 in arguments) ?
                  this.bind(event, callback) :
                  this.trigger(event)
          }
      })
  
      $.Event = function(type, props) {
          if (!isString(type)) props = type, type = props.type
          var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true
          if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
          event.initEvent(type, bubbles, true)
          return compatible(event)
      }
  
  })(Zepto)
  
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function($){
      $.fn.serializeArray = function() {
          var name, type, result = [],
              add = function(value) {
                  if (value.forEach) return value.forEach(add)
                  result.push({ name: name, value: value })
              }
          if (this[0]) $.each(this[0].elements, function(_, field){
              type = field.type, name = field.name
              if (name && field.nodeName.toLowerCase() != 'fieldset' &&
                  !field.disabled && type != 'submit' && type != 'reset' && type != 'button' && type != 'file' &&
                  ((type != 'radio' && type != 'checkbox') || field.checked))
                  add($(field).val())
          })
          return result
      }
  
      $.fn.serialize = function(){
          var result = []
          this.serializeArray().forEach(function(elm){
              result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))
          })
          return result.join('&')
      }
  
      $.fn.submit = function(callback) {
          if (0 in arguments) this.bind('submit', callback)
          else if (this.length) {
              var event = $.Event('submit')
              this.eq(0).trigger(event)
              if (!event.isDefaultPrevented()) this.get(0).submit()
          }
          return this
      }
  
  })(Zepto)
  
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function(){
      // getComputedStyle shouldn't freak out when called
      // without a valid element as argument
      try {
          getComputedStyle(undefined)
      } catch(e) {
          var nativeGetComputedStyle = getComputedStyle;
          window.getComputedStyle = function(element){
              try {
                  return nativeGetComputedStyle(element)
              } catch(e) {
                  return null
              }
          }
      }
  })()
  
  //     Zepto.js
  //     (c) 2010-2016 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function($){
      var touch = {},
          touchTimeout, tapTimeout, swipeTimeout, longTapTimeout,
          longTapDelay = 750,
          gesture
  
      function swipeDirection(x1, x2, y1, y2) {
          return Math.abs(x1 - x2) >=
          Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down')
      }
  
      function longTap() {
          longTapTimeout = null
          if (touch.last) {
              touch.el.trigger('longTap')
              touch = {}
          }
      }
  
      function cancelLongTap() {
          if (longTapTimeout) clearTimeout(longTapTimeout)
          longTapTimeout = null
      }
  
      function cancelAll() {
          if (touchTimeout) clearTimeout(touchTimeout)
          if (tapTimeout) clearTimeout(tapTimeout)
          if (swipeTimeout) clearTimeout(swipeTimeout)
          if (longTapTimeout) clearTimeout(longTapTimeout)
          touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null
          touch = {}
      }
  
      function isPrimaryTouch(event){
          return (event.pointerType == 'touch' ||
              event.pointerType == event.MSPOINTER_TYPE_TOUCH)
              && event.isPrimary
      }
  
      function isPointerEventType(e, type){
          return (e.type == 'pointer'+type ||
          e.type.toLowerCase() == 'mspointer'+type)
      }
  
      $(document).ready(function(){
          var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType
  
          if ('MSGesture' in window) {
              gesture = new MSGesture()
              gesture.target = document.body
          }
  
          $(document)
              .bind('MSGestureEnd', function(e){
                  var swipeDirectionFromVelocity =
                      e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null;
                  if (swipeDirectionFromVelocity) {
                      touch.el.trigger('swipe')
                      touch.el.trigger('swipe'+ swipeDirectionFromVelocity)
                  }
              })
              .on('touchstart MSPointerDown pointerdown', function(e){
                  if((_isPointerType = isPointerEventType(e, 'down')) &&
                      !isPrimaryTouch(e)) return
                  firstTouch = _isPointerType ? e : e.touches[0]
                  if (e.touches && e.touches.length === 1 && touch.x2) {
                      // Clear out touch movement data if we have it sticking around
                      // This can occur if touchcancel doesn't fire due to preventDefault, etc.
                      touch.x2 = undefined
                      touch.y2 = undefined
                  }
                  now = Date.now()
                  delta = now - (touch.last || now)
                  touch.el = $('tagName' in firstTouch.target ?
                      firstTouch.target : firstTouch.target.parentNode)
                  touchTimeout && clearTimeout(touchTimeout)
                  touch.x1 = firstTouch.pageX
                  touch.y1 = firstTouch.pageY
                  if (delta > 0 && delta <= 250) touch.isDoubleTap = true
                  touch.last = now
                  longTapTimeout = setTimeout(longTap, longTapDelay)
                  // adds the current touch contact for IE gesture recognition
                  if (gesture && _isPointerType) gesture.addPointer(e.pointerId);
              })
              .on('touchmove MSPointerMove pointermove', function(e){
                  if((_isPointerType = isPointerEventType(e, 'move')) &&
                      !isPrimaryTouch(e)) return
                  firstTouch = _isPointerType ? e : e.touches[0]
                  cancelLongTap()
                  touch.x2 = firstTouch.pageX
                  touch.y2 = firstTouch.pageY
  
                  deltaX += Math.abs(touch.x1 - touch.x2)
                  deltaY += Math.abs(touch.y1 - touch.y2)
              })
              .on('touchend MSPointerUp pointerup', function(e){
                  if((_isPointerType = isPointerEventType(e, 'up')) &&
                      !isPrimaryTouch(e)) return
                  cancelLongTap()
  
                  // swipe
                  if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||
                      (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))
  
                      swipeTimeout = setTimeout(function() {
                          touch.el.trigger('swipe')
                          touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))
                          touch = {}
                      }, 0)
  
                  // normal tap
                  else if ('last' in touch)
                  // don't fire tap when delta position changed by more than 30 pixels,
                  // for instance when moving to a point and back to origin
                      if (deltaX < 30 && deltaY < 30) {
                          // delay by one tick so we can cancel the 'tap' event if 'scroll' fires
                          // ('tap' fires before 'scroll')
                          tapTimeout = setTimeout(function() {
  
                              // trigger universal 'tap' with the option to cancelTouch()
                              // (cancelTouch cancels processing of single vs double taps for faster 'tap' response)
                              var event = $.Event('tap')
                              event.cancelTouch = cancelAll
                              touch.el.trigger(event)
  
                              // trigger double tap immediately
                              if (touch.isDoubleTap) {
                                  if (touch.el) touch.el.trigger('doubleTap')
                                  touch = {}
                              }
  
                              // trigger single tap after 250ms of inactivity
                              else {
                                  touchTimeout = setTimeout(function(){
                                      touchTimeout = null
                                      if (touch.el) touch.el.trigger('singleTap')
                                      touch = {}
                                  }, 250)
                              }
                          }, 0)
                      } else {
                          touch = {}
                      }
                  deltaX = deltaY = 0
  
              })
              // when the browser window loses focus,
              // for example when a modal dialog is shown,
              // cancel all ongoing events
              .on('touchcancel MSPointerCancel pointercancel', cancelAll)
  
          // scrolling the window indicates intention of the user
          // to scroll, not tap or swipe, so cancel all ongoing events
          $(window).on('scroll', cancelAll)
      })
  
      ;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown',
          'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){
          $.fn[eventName] = function(callback){ return this.on(eventName, callback) }
      })
  })(Zepto)
  