text: /**
   * Yii Captcha widget.
   *
   * This is the JavaScript widget used by the yii\captcha\Captcha widget.
   *
   * @link http://www.yiiframework.com/
   * @copyright Copyright (c) 2008 Yii Software LLC
   * @license http://www.yiiframework.com/license/
   * @author Qiang Xue <qiang.xue@gmail.com>
   * @since 2.0
   */
  (function ($) {
      $.fn.yiiCaptcha = function (method) {
          if (methods[method]) {
              return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
          } else if (typeof method === 'object' || !method) {
              return methods.init.apply(this, arguments);
          } else {
              $.error('Method ' + method + ' does not exist on jQuery.yiiCaptcha');
              return false;
          }
      };
  
      var defaults = {
          refreshUrl: undefined,
          hashKey: undefined
      };
  
      var methods = {
          init: function (options) {
              return this.each(function () {
                  var $e = $(this);
                  var settings = $.extend({}, defaults, options || {});
                  $e.data('yiiCaptcha', {
                      settings: settings
                  });
  
                  $e.on('click.yiiCaptcha', function () {
                      methods.refresh.apply($e);
                      return false;
                  });
  
              });
          },
  
          refresh: function () {
              var $e = this,
                  settings = this.data('yiiCaptcha').settings;
              $.ajax({
                  url: $e.data('yiiCaptcha').settings.refreshUrl,
                  dataType: 'json',
                  cache: false,
                  success: function (data) {
                      $e.attr('src', data.url);
                      $('body').data(settings.hashKey, [data.hash1, data.hash2]);
                  }
              });
          },
  
          destroy: function () {
              return this.each(function () {
                  $(window).unbind('.yiiCaptcha');
                  $(this).removeData('yiiCaptcha');
              });
          },
  
          data: function () {
              return this.data('yiiCaptcha');
          }
      };
  })(window.jQuery);
  
  