/* Zepto v1.2.0 - zepto event ajax form ie - zeptojs.com/license */ (function(global, factory) {

if (typeof define === 'function' && define.amd)
  define(function() { return factory(global) })
else
  factory(global)

}(this, function(window) {

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.matches || 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) {
  var length = !!obj && 'length' in obj && obj.length,
    type = $.type(obj)

  return 'function' != type && !isWindow(obj) && (
    'array' == type || length === 0 ||
      (typeof length == 'number' && length > 0 && (length - 1) in obj)
  )
}

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
}

$.isNumeric = function(val) {
  var num = Number(val), type = typeof val
  return val != null && type != 'boolean' &&
    (type != 'string' || val.length) &&
    !isNaN(num) && isFinite(num) || false
}

$.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 nodes = [], collection = typeof selector == 'object' && $(selector)
    this.each(function(_, node){
      while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
        node = node !== context && !isDocument(node) && node.parentNode
      if (node && nodes.indexOf(node) < 0) nodes.push(node)
    })
    return $(nodes)
  },
  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)) ?
      (0 in this && this[0].nodeType == 1 && (result = this[0].getAttribute(name)) != null ? result : undefined) :
      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])
  },
  removeProp: function(name){
    name = propMap[name] || name
    return this.each(function(){ delete this[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){
    if (0 in arguments) {
      if (value == null) value = ""
      return this.each(function(idx){
        this.value = funcArg(this, value, idx, this.value)
      })
    } else {
      return 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'
      $this.css(props)
    })
    if (!this.length) return null
    if (document.documentElement !== this[0] && !$.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 element = this[0]
      if (typeof property == 'string') {
        if (!element) return
        return element.style[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property)
      } else if (isArray(property)) {
        if (!element) return
        var props = {}
        var computedStyle = getComputedStyle(element, '')
        $.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 = $.map(arguments, function(arg) {
          var arr = []
          argType = type(arg)
          if (argType == "array") {
            arg.forEach(function(el) {
              if (el.nodeType !== undefined) return arr.push(el)
              else if ($.zepto.isZ(el)) return arr = arr.concat(el.get())
              arr = arr.concat(zepto.fragment(el))
            })
            return arr
          }
          return argType == "object" || 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){
            var target = el.ownerDocument ? el.ownerDocument.defaultView : window
            target['eval'].call(target, 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$|layer[XY]$|webkitMovement[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
    })

    event.timeStamp || (event.timeStamp = Date.now())

    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 = +new Date(),
    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)
}

function ajaxDataFilter(data, type, settings) {
  if (settings.dataFilter == empty) return data
  var context = settings.context
  return settings.dataFilter.call(context, data, type)
}

// 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) || ('Zepto' + (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,
  //Used to handle the raw response data of XMLHttpRequest.
  //This is a pre-filtering function to sanitize the response.
  //The sanitized response should be returned
  dataFilter: empty
}

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' || 'jsonp' == options.dataType))
    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/
            // sanitize response accordingly if data filter callback provided
            result = ajaxDataFilter(result, dataType, settings)
            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
  }

  var async = 'async' in settings ? settings.async : true
  xhr.open(settings.type, settings.url, async, settings.username, settings.password)

  if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]

  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(){

// 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, pseudoElement){
    try {
      return nativeGetComputedStyle(element, pseudoElement)
    } catch(e) {
      return null
    }
  }
}

})()

return Zepto

}))