text: /**
  * @preserve HTML5 Shiv 3.7.3-pre | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
  */
  ; (function (window, document) {
      /*jshint evil:true */
      /** version */
      var version = '3.7.3-pre';
  
      /** Preset options */
      var options = window.html5 || {};
  
      /** Used to skip problem elements */
      var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
  
      /** Not all elements can be cloned in IE **/
      var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
  
      /** Detect whether the browser supports default html5 styles */
      var supportsHtml5Styles;
  
      /** Name of the expando, to work with multiple documents or to re-shiv one document */
      var expando = '_html5shiv';
  
      /** The id for the the documents expando */
      var expanID = 0;
  
      /** Cached data for each document */
      var expandoData = {};
  
      /** Detect whether the browser supports unknown elements */
      var supportsUnknownElements;
  
      (function () {
          try {
              var a = document.createElement('a');
              a.innerHTML = '<xyz></xyz>';
              //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
              supportsHtml5Styles = ('hidden' in a);
  
              supportsUnknownElements = a.childNodes.length == 1 || (function () {
                  // assign a false positive if unable to shiv
                  (document.createElement)('a');
                  var frag = document.createDocumentFragment();
                  return (
              typeof frag.cloneNode == 'undefined' ||
              typeof frag.createDocumentFragment == 'undefined' ||
              typeof frag.createElement == 'undefined'
            );
              } ());
          } catch (e) {
              // assign a false positive if detection fails => unable to shiv
              supportsHtml5Styles = true;
              supportsUnknownElements = true;
          }
  
      } ());
  
      /*--------------------------------------------------------------------------*/
  
      /**
      * Creates a style sheet with the given CSS text and adds it to the document.
      * @private
      * @param {Document} ownerDocument The document.
      * @param {String} cssText The CSS text.
      * @returns {StyleSheet} The style element.
      */
      function addStyleSheet(ownerDocument, cssText) {
          var p = ownerDocument.createElement('p'),
          parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
  
          p.innerHTML = 'x<style>' + cssText + '</style>';
          return parent.insertBefore(p.lastChild, parent.firstChild);
      }
  
      /**
      * Returns the value of `html5.elements` as an array.
      * @private
      * @returns {Array} An array of shived element node names.
      */
      function getElements() {
          var elements = html5.elements;
          return typeof elements == 'string' ? elements.split(' ') : elements;
      }
  
      /**
      * Extends the built-in list of html5 elements
      * @memberOf html5
      * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
      * @param {Document} ownerDocument The context document.
      */
      function addElements(newElements, ownerDocument) {
          var elements = html5.elements;
          if (typeof elements != 'string') {
              elements = elements.join(' ');
          }
          if (typeof newElements != 'string') {
              newElements = newElements.join(' ');
          }
          html5.elements = elements + ' ' + newElements;
          shivDocument(ownerDocument);
      }
  
      /**
      * Returns the data associated to the given document
      * @private
      * @param {Document} ownerDocument The document.
      * @returns {Object} An object of data.
      */
      function getExpandoData(ownerDocument) {
          var data = expandoData[ownerDocument[expando]];
          if (!data) {
              data = {};
              expanID++;
              ownerDocument[expando] = expanID;
              expandoData[expanID] = data;
          }
          return data;
      }
  
      /**
      * returns a shived element for the given nodeName and document
      * @memberOf html5
      * @param {String} nodeName name of the element
      * @param {Document|DocumentFragment} ownerDocument The context document.
      * @returns {Object} The shived element.
      */
      function createElement(nodeName, ownerDocument, data) {
          if (!ownerDocument) {
              ownerDocument = document;
          }
          if (supportsUnknownElements) {
              return ownerDocument.createElement(nodeName);
          }
          if (!data) {
              data = getExpandoData(ownerDocument);
          }
          var node;
  
          if (data.cache[nodeName]) {
              node = data.cache[nodeName].cloneNode();
          } else if (saveClones.test(nodeName)) {
              node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
          } else {
              node = data.createElem(nodeName);
          }
  
          // Avoid adding some elements to fragments in IE < 9 because
          // * Attributes like `name` or `type` cannot be set/changed once an element
          //   is inserted into a document/fragment
          // * Link elements with `src` attributes that are inaccessible, as with
          //   a 403 response, will cause the tab/window to crash
          // * Script elements appended to fragments will execute when their `src`
          //   or `text` property is set
          return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
      }
  
      /**
      * returns a shived DocumentFragment for the given document
      * @memberOf html5
      * @param {Document} ownerDocument The context document.
      * @returns {Object} The shived DocumentFragment.
      */
      function createDocumentFragment(ownerDocument, data) {
          if (!ownerDocument) {
              ownerDocument = document;
          }
          if (supportsUnknownElements) {
              return ownerDocument.createDocumentFragment();
          }
          data = data || getExpandoData(ownerDocument);
          var clone = data.frag.cloneNode(),
          i = 0,
          elems = getElements(),
          l = elems.length;
          for (; i < l; i++) {
              clone.createElement(elems[i]);
          }
          return clone;
      }
  
      /**
      * Shivs the `createElement` and `createDocumentFragment` methods of the document.
      * @private
      * @param {Document|DocumentFragment} ownerDocument The document.
      * @param {Object} data of the document.
      */
      function shivMethods(ownerDocument, data) {
          if (!data.cache) {
              data.cache = {};
              data.createElem = ownerDocument.createElement;
              data.createFrag = ownerDocument.createDocumentFragment;
              data.frag = data.createFrag();
          }
  
  
          ownerDocument.createElement = function (nodeName) {
              //abort shiv
              if (!html5.shivMethods) {
                  return data.createElem(nodeName);
              }
              return createElement(nodeName, ownerDocument, data);
          };
  
          ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
        'var n=f.cloneNode(),c=n.createElement;' +
        'h.shivMethods&&(' +
          // unroll the `createElement` calls
          getElements().join().replace(/[\w\-:]+/g, function (nodeName) {
              data.createElem(nodeName);
              data.frag.createElement(nodeName);
              return 'c("' + nodeName + '")';
          }) +
        ');return n}'
      )(html5, data.frag);
      }
  
      /*--------------------------------------------------------------------------*/
  
      /**
      * Shivs the given document.
      * @memberOf html5
      * @param {Document} ownerDocument The document to shiv.
      * @returns {Document} The shived document.
      */
      function shivDocument(ownerDocument) {
          if (!ownerDocument) {
              ownerDocument = document;
          }
          var data = getExpandoData(ownerDocument);
  
          if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
              data.hasCSS = !!addStyleSheet(ownerDocument,
              // corrects block display not defined in IE6/7/8/9
          'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
              // adds styling not present in IE6/7/8/9
          'mark{background:#FF0;color:#000}' +
              // hides non-rendered elements
          'template{display:none}'
        );
          }
          if (!supportsUnknownElements) {
              shivMethods(ownerDocument, data);
          }
          return ownerDocument;
      }
  
      /*--------------------------------------------------------------------------*/
  
      /**
      * The `html5` object is exposed so that more elements can be shived and
      * existing shiving can be detected on iframes.
      * @type Object
      * @example
      *
      * // options can be changed before the script is included
      * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
      */
      var html5 = {
  
          /**
          * An array or space separated string of node names of the elements to shiv.
          * @memberOf html5
          * @type Array|String
          */
          'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
  
          /**
          * current version of html5shiv
          */
          'version': version,
  
          /**
          * A flag to indicate that the HTML5 style sheet should be inserted.
          * @memberOf html5
          * @type Boolean
          */
          'shivCSS': (options.shivCSS !== false),
  
          /**
          * Is equal to true if a browser supports creating unknown/HTML5 elements
          * @memberOf html5
          * @type boolean
          */
          'supportsUnknownElements': supportsUnknownElements,
  
          /**
          * A flag to indicate that the document's `createElement` and `createDocumentFragment`
          * methods should be overwritten.
          * @memberOf html5
          * @type Boolean
          */
          'shivMethods': (options.shivMethods !== false),
  
          /**
          * A string to describe the type of `html5` object ("default" or "default print").
          * @memberOf html5
          * @type String
          */
          'type': 'default',
  
          // shivs the document according to the specified `html5` object options
          'shivDocument': shivDocument,
  
          //creates a shived element
          createElement: createElement,
  
          //creates a shived documentFragment
          createDocumentFragment: createDocumentFragment,
  
          //extends list of elements
          addElements: addElements
      };
  
      /*--------------------------------------------------------------------------*/
  
      // expose html5
      window.html5 = html5;
  
      // shiv the document
      shivDocument(document);
  
      if (typeof module == 'object' && module.exports) {
          module.exports = html5;
      }
  
  } (typeof window !== "undefined" ? window : this, document));
  
  /*
  * jQuery placeholder, fix for IE6,7,8,9
  * @author JENA
  * @since 20131115.1504
  * @website ishere.cn
  */
  var JPlaceHolder = {
      //检测
      _check: function () {
          return 'placeholder' in document.createElement('input');
      },
      //初始化
      init: function () {
          if (!this._check()) {
              this.fix();
          };
      },
      //修复
      fix: function () {
          jQuery(':input[placeholder]').each(function (index, element) {
              var self = $(this), txt = self.attr('placeholder');
              self.wrap($('<div></div>').css({ position: 'relative', zoom: '1', border: 'none', background: 'none', padding: 'none', margin: 'none', float: 'left' }));
              var pos = self.position(), h = self.outerHeight(true), paddingleft = self.css('padding-left');
              var holder = $('<span class="s_placeholder"></span>').text(txt).css({ position: 'absolute', left: pos.left, top: pos.top, height: h, lineHeight: h + 'px', paddingLeft: paddingleft, color: '#aaa', fontSize: '14px' }).appendTo(self.parent());
              self.focus(function (e) {
                  holder.hide();
              });
              self.on('click', function (e) {
                  e.stopPropagation();
              })
              //            .focusout(function (e) {
              //                if (!self.val()) {
              //                    holder.show();
              //                }
              //            });
  
              $(document.body).click(function () {
                  if (!self.val()) {
                      holder.show();
                  }
              });
  
              holder.click(function (e) {
                  holder.hide();
                  self.focus();
              });
          });
      }
  };
  //执行
  jQuery(function () {
      JPlaceHolder.init();
  
  });