iamberry-app-international/iamberry-app-api/.svn/pristine/f0/f0a23607d169e2253b1485673e5d3c3f2fffefd0.svn-base

/* Zepto 1.1.6 - zepto event ajax form fx data deferred callbacks selector touch - zeptojs.com/license */ ;
(function(root, factory) {
  //amd
  if (typeof define === 'function' && define.amd) {
    define([], factory);
  } else if (typeof exports === 'object') { //umd
    module.exports = factory();
  } else {
    root.MobilePhotoPreview = factory();
  }
})(this, function() {
  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 nodes from the given html string.
    // The generated DOM nodes are returned as an array.
    // This function can be overriden 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 overriden 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 overriden 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 overriden 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 overriden 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[0].textContent : 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 $
  })()

  window.Zepto = Zepto
  window.$ === undefined && (window.$ = Zepto)

  ;
  (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)

  ;
  (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'))
            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) ajaxError(error, 'parsererror', xhr, settings, deferred)
            else 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)

  ;
  (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)

  ;
  (function($, undefined) {
    var prefix = '',
      eventPrefix,
      vendors = {
        Webkit: 'webkit',
        Moz: '',
        O: 'o'
      },
      testEl = document.createElement('div'),
      supportedTransforms = /^((translate|rotate|scale)(X|Y|Z|3d)?|matrix(3d)?|perspective|skew(X|Y)?)$/i,
      transform,
      transitionProperty, transitionDuration, transitionTiming, transitionDelay,
      animationName, animationDuration, animationTiming, animationDelay,
      cssReset = {}

    function dasherize(str) {
      return str.replace(/([a-z])([A-Z])/, '$1-$2').toLowerCase()
    }

    function normalizeEvent(name) {
      return eventPrefix ? eventPrefix + name : name.toLowerCase()
    }

    $.each(vendors, function(vendor, event) {
      if (testEl.style[vendor + 'TransitionProperty'] !== undefined) {
        prefix = '-' + vendor.toLowerCase() + '-'
        eventPrefix = event
        return false
      }
    })

    transform = prefix + 'transform'
    cssReset[transitionProperty = prefix + 'transition-property'] =
      cssReset[transitionDuration = prefix + 'transition-duration'] =
      cssReset[transitionDelay = prefix + 'transition-delay'] =
      cssReset[transitionTiming = prefix + 'transition-timing-function'] =
      cssReset[animationName = prefix + 'animation-name'] =
      cssReset[animationDuration = prefix + 'animation-duration'] =
      cssReset[animationDelay = prefix + 'animation-delay'] =
      cssReset[animationTiming = prefix + 'animation-timing-function'] = ''

    $.fx = {
      off: (eventPrefix === undefined && testEl.style.transitionProperty === undefined),
      speeds: {
        _default: 400,
        fast: 200,
        slow: 600
      },
      cssPrefix: prefix,
      transitionEnd: normalizeEvent('TransitionEnd'),
      animationEnd: normalizeEvent('AnimationEnd')
    }

    $.fn.animate = function(properties, duration, ease, callback, delay) {
      if ($.isFunction(duration))
        callback = duration, ease = undefined, duration = undefined
      if ($.isFunction(ease))
        callback = ease, ease = undefined
      if ($.isPlainObject(duration))
        ease = duration.easing, callback = duration.complete, delay = duration.delay, duration = duration.duration
      if (duration) duration = (typeof duration == 'number' ? duration :
        ($.fx.speeds[duration] || $.fx.speeds._default)) / 1000
      if (delay) delay = parseFloat(delay) / 1000
      return this.anim(properties, duration, ease, callback, delay)
    }

    $.fn.anim = function(properties, duration, ease, callback, delay) {
      var key, cssValues = {},
        cssProperties, transforms = '',
        that = this,
        wrappedCallback, endEvent = $.fx.transitionEnd,
        fired = false

      if (duration === undefined) duration = $.fx.speeds._default / 1000
      if (delay === undefined) delay = 0
      if ($.fx.off) duration = 0

      if (typeof properties == 'string') {
        // keyframe animation
        cssValues[animationName] = properties
        cssValues[animationDuration] = duration + 's'
        cssValues[animationDelay] = delay + 's'
        cssValues[animationTiming] = (ease || 'linear')
        endEvent = $.fx.animationEnd
      } else {
        cssProperties = []
        // CSS transitions
        for (key in properties)
          if (supportedTransforms.test(key)) transforms += key + '(' + properties[key] + ') '
          else cssValues[key] = properties[key], cssProperties.push(dasherize(key))

        if (transforms) cssValues[transform] = transforms, cssProperties.push(transform)
        if (duration > 0 && typeof properties === 'object') {
          cssValues[transitionProperty] = cssProperties.join(', ')
          cssValues[transitionDuration] = duration + 's'
          cssValues[transitionDelay] = delay + 's'
          cssValues[transitionTiming] = (ease || 'linear')
        }
      }

      wrappedCallback = function(event) {
        if (typeof event !== 'undefined') {
          if (event.target !== event.currentTarget) return // makes sure the event didn't bubble from "below"
          $(event.target).unbind(endEvent, wrappedCallback)
        } else
          $(this).unbind(endEvent, wrappedCallback) // triggered by setTimeout

        fired = true
        $(this).css(cssReset)
        callback && callback.call(this)
      }
      if (duration > 0) {
        this.bind(endEvent, wrappedCallback)
        // transitionEnd is not always firing on older Android phones
        // so make sure it gets fired
        setTimeout(function() {
          if (fired) return
          wrappedCallback.call(that)
        }, ((duration + delay) * 1000) + 25)
      }

      // trigger page reflow so new elements can animate
      this.size() && this.get(0).clientLeft

      this.css(cssValues)

      if (duration <= 0) setTimeout(function() {
        that.each(function() {
          wrappedCallback.call(this)
        })
      }, 0)

      return this
    }

    testEl = null
  })(Zepto)

  ;
  (function($) {
    var data = {},
      dataAttr = $.fn.data,
      camelize = $.camelCase,
      exp = $.expando = 'Zepto' + (+new Date()),
      emptyArray = []

    // Get value from node:
    // 1. first try key as given,
    // 2. then try camelized key,
    // 3. fall back to reading "data-*" attribute.
    function getData(node, name) {
      var id = node[exp],
        store = id && data[id]
      if (name === undefined) return store || setData(node)
      else {
        if (store) {
          if (name in store) return store[name]
          var camelName = camelize(name)
          if (camelName in store) return store[camelName]
        }
        return dataAttr.call($(node), name)
      }
    }

    // Store value under camelized key on node
    function setData(node, name, value) {
      var id = node[exp] || (node[exp] = ++$.uuid),
        store = data[id] || (data[id] = attributeData(node))
      if (name !== undefined) store[camelize(name)] = value
      return store
    }

    // Read all "data-*" attributes from a node
    function attributeData(node) {
      var store = {}
      $.each(node.attributes || emptyArray, function(i, attr) {
        if (attr.name.indexOf('data-') == 0)
          store[camelize(attr.name.replace('data-', ''))] =
          $.zepto.deserializeValue(attr.value)
      })
      return store
    }

    $.fn.data = function(name, value) {
      return value === undefined ?
        // set multiple values via object
        $.isPlainObject(name) ?
        this.each(function(i, node) {
          $.each(name, function(key, value) {
            setData(node, key, value)
          })
        }) :
        // get value from first element
        (0 in this ? getData(this[0], name) : undefined) :
        // set value on all elements
        this.each(function() {
          setData(this, name, value)
        })
    }

    $.fn.removeData = function(names) {
      if (typeof names == 'string') names = names.split(/\s+/)
      return this.each(function() {
        var id = this[exp],
          store = id && data[id]
        if (store) $.each(names || store, function(key) {
          delete store[names ? camelize(this) : key]
        })
      })
    }

    // Generate extended `remove` and `empty` functions
    ;
    ['remove', 'empty'].forEach(function(methodName) {
      var origFn = $.fn[methodName]
      $.fn[methodName] = function() {
        var elements = this.find('*')
        if (methodName === 'remove') elements = elements.add(this)
        elements.removeData()
        return origFn.call(this)
      }
    })
  })(Zepto)

  ;
  (function($) {
    var slice = Array.prototype.slice

    function Deferred(func) {
      var tuples = [
          // action, add listener, listener list, final state
          ["resolve", "done", $.Callbacks({
            once: 1,
            memory: 1
          }), "resolved"],
          ["reject", "fail", $.Callbacks({
            once: 1,
            memory: 1
          }), "rejected"],
          ["notify", "progress", $.Callbacks({
            memory: 1
          })]
        ],
        state = "pending",
        promise = {
          state: function() {
            return state
          },
          always: function() {
            deferred.done(arguments).fail(arguments)
            return this
          },
          then: function( /* fnDone [, fnFailed [, fnProgress]] */ ) {
            var fns = arguments
            return Deferred(function(defer) {
              $.each(tuples, function(i, tuple) {
                var fn = $.isFunction(fns[i]) && fns[i]
                deferred[tuple[1]](function() {
                  var returned = fn && fn.apply(this, arguments)
                  if (returned && $.isFunction(returned.promise)) {
                    returned.promise()
                      .done(defer.resolve)
                      .fail(defer.reject)
                      .progress(defer.notify)
                  } else {
                    var context = this === promise ? defer.promise() : this,
                      values = fn ? [returned] : arguments
                    defer[tuple[0] + "With"](context, values)
                  }
                })
              })
              fns = null
            }).promise()
          },

          promise: function(obj) {
            return obj != null ? $.extend(obj, promise) : promise
          }
        },
        deferred = {}

      $.each(tuples, function(i, tuple) {
        var list = tuple[2],
          stateString = tuple[3]

        promise[tuple[1]] = list.add

        if (stateString) {
          list.add(function() {
            state = stateString
          }, tuples[i ^ 1][2].disable, tuples[2][2].lock)
        }

        deferred[tuple[0]] = function() {
          deferred[tuple[0] + "With"](this === deferred ? promise : this, arguments)
          return this
        }
        deferred[tuple[0] + "With"] = list.fireWith
      })

      promise.promise(deferred)
      if (func) func.call(deferred, deferred)
      return deferred
    }

    $.when = function(sub) {
      var resolveValues = slice.call(arguments),
        len = resolveValues.length,
        i = 0,
        remain = len !== 1 || (sub && $.isFunction(sub.promise)) ? len : 0,
        deferred = remain === 1 ? sub : Deferred(),
        progressValues, progressContexts, resolveContexts,
        updateFn = function(i, ctx, val) {
          return function(value) {
            ctx[i] = this
            val[i] = arguments.length > 1 ? slice.call(arguments) : value
            if (val === progressValues) {
              deferred.notifyWith(ctx, val)
            } else if (!(--remain)) {
              deferred.resolveWith(ctx, val)
            }
          }
        }

      if (len > 1) {
        progressValues = new Array(len)
        progressContexts = new Array(len)
        resolveContexts = new Array(len)
        for (; i < len; ++i) {
          if (resolveValues[i] && $.isFunction(resolveValues[i].promise)) {
            resolveValues[i].promise()
              .done(updateFn(i, resolveContexts, resolveValues))
              .fail(deferred.reject)
              .progress(updateFn(i, progressContexts, progressValues))
          } else {
            --remain
          }
        }
      }
      if (!remain) deferred.resolveWith(resolveContexts, resolveValues)
      return deferred.promise()
    }

    $.Deferred = Deferred
  })(Zepto)

  ;
  (function($) {
    // Create a collection of callbacks to be fired in a sequence, with configurable behaviour
    // Option flags:
    //   - once: Callbacks fired at most one time.
    //   - memory: Remember the most recent context and arguments
    //   - stopOnFalse: Cease iterating over callback list
    //   - unique: Permit adding at most one instance of the same callback
    $.Callbacks = function(options) {
      options = $.extend({}, options)

      var memory, // Last fire value (for non-forgettable lists)
        fired, // Flag to know if list was already fired
        firing, // Flag to know if list is currently firing
        firingStart, // First callback to fire (used internally by add and fireWith)
        firingLength, // End of the loop when firing
        firingIndex, // Index of currently firing callback (modified by remove if needed)
        list = [], // Actual callback list
        stack = !options.once && [], // Stack of fire calls for repeatable lists
        fire = function(data) {
          memory = options.memory && data
          fired = true
          firingIndex = firingStart || 0
          firingStart = 0
          firingLength = list.length
          firing = true
          for (; list && firingIndex < firingLength; ++firingIndex) {
            if (list[firingIndex].apply(data[0], data[1]) === false && options.stopOnFalse) {
              memory = false
              break
            }
          }
          firing = false
          if (list) {
            if (stack) stack.length && fire(stack.shift())
            else if (memory) list.length = 0
            else Callbacks.disable()
          }
        },

        Callbacks = {
          add: function() {
            if (list) {
              var start = list.length,
                add = function(args) {
                  $.each(args, function(_, arg) {
                    if (typeof arg === "function") {
                      if (!options.unique || !Callbacks.has(arg)) list.push(arg)
                    } else if (arg && arg.length && typeof arg !== 'string') add(arg)
                  })
                }
              add(arguments)
              if (firing) firingLength = list.length
              else if (memory) {
                firingStart = start
                fire(memory)
              }
            }
            return this
          },
          remove: function() {
            if (list) {
              $.each(arguments, function(_, arg) {
                var index
                while ((index = $.inArray(arg, list, index)) > -1) {
                  list.splice(index, 1)
                  // Handle firing indexes
                  if (firing) {
                    if (index <= firingLength)--firingLength
                    if (index <= firingIndex)--firingIndex
                  }
                }
              })
            }
            return this
          },
          has: function(fn) {
            return !!(list && (fn ? $.inArray(fn, list) > -1 : list.length))
          },
          empty: function() {
            firingLength = list.length = 0
            return this
          },
          disable: function() {
            list = stack = memory = undefined
            return this
          },
          disabled: function() {
            return !list
          },
          lock: function() {
            stack = undefined;
            if (!memory) Callbacks.disable()
            return this
          },
          locked: function() {
            return !stack
          },
          fireWith: function(context, args) {
            if (list && (!fired || stack)) {
              args = args || []
              args = [context, args.slice ? args.slice() : args]
              if (firing) stack.push(args)
              else fire(args)
            }
            return this
          },
          fire: function() {
            return Callbacks.fireWith(this, arguments)
          },
          fired: function() {
            return !!fired
          }
        }

      return Callbacks
    }
  })(Zepto)

  ;
  (function($) {
    var zepto = $.zepto,
      oldQsa = zepto.qsa,
      oldMatches = zepto.matches

    function visible(elem) {
      elem = $(elem)
      return !!(elem.width() || elem.height()) && elem.css("display") !== "none"
    }

    // Implements a subset from:
    // http://api.jquery.com/category/selectors/jquery-selector-extensions/
    //
    // Each filter function receives the current index, all nodes in the
    // considered set, and a value if there were parentheses. The value
    // of `this` is the node currently being considered. The function returns the
    // resulting node(s), null, or undefined.
    //
    // Complex selectors are not supported:
    //   li:has(label:contains("foo")) + li:has(label:contains("bar"))
    //   ul.inner:first > li
    var filters = $.expr[':'] = {
      visible: function() {
        if (visible(this)) return this
      },
      hidden: function() {
        if (!visible(this)) return this
      },
      selected: function() {
        if (this.selected) return this
      },
      checked: function() {
        if (this.checked) return this
      },
      parent: function() {
        return this.parentNode
      },
      first: function(idx) {
        if (idx === 0) return this
      },
      last: function(idx, nodes) {
        if (idx === nodes.length - 1) return this
      },
      eq: function(idx, _, value) {
        if (idx === value) return this
      },
      contains: function(idx, _, text) {
        if ($(this).text().indexOf(text) > -1) return this
      },
      has: function(idx, _, sel) {
        if (zepto.qsa(this, sel).length) return this
      }
    }

    var filterRe = new RegExp('(.*):(\\w+)(?:\\(([^)]+)\\))?$\\s*'),
      childRe = /^\s*>/,
      classTag = 'Zepto' + (+new Date())

    function process(sel, fn) {
      // quote the hash in `a[href^=#]` expression
      sel = sel.replace(/=#\]/g, '="#"]')
      var filter, arg, match = filterRe.exec(sel)
      if (match && match[2] in filters) {
        filter = filters[match[2]], arg = match[3]
        sel = match[1]
        if (arg) {
          var num = Number(arg)
          if (isNaN(num)) arg = arg.replace(/^["']|["']$/g, '')
          else arg = num
        }
      }
      return fn(sel, filter, arg)
    }

    zepto.qsa = function(node, selector) {
      return process(selector, function(sel, filter, arg) {
        try {
          var taggedParent
          if (!sel && filter) sel = '*'
          else if (childRe.test(sel))
          // support "> *" child queries by tagging the parent node with a
          // unique class and prepending that classname onto the selector
            taggedParent = $(node).addClass(classTag), sel = '.' + classTag + ' ' + sel

          var nodes = oldQsa(node, sel)
        } catch (e) {
          console.error('error performing selector: %o', selector)
          throw e
        } finally {
          if (taggedParent) taggedParent.removeClass(classTag)
        }
        return !filter ? nodes :
          zepto.uniq($.map(nodes, function(n, i) {
            return filter.call(n, i, nodes, arg)
          }))
      })
    }

    zepto.matches = function(node, selector) {
      return process(selector, function(sel, filter, arg) {
        return (!sel || oldMatches(node, sel)) &&
          (!filter || filter.call(node, null, arg) === node)
      })
    }
  })(Zepto)

  ;
  (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)

  return Zepto;
});