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File: //var/www/html/wp-content/plugins/wp-mail-bank/assets/global/plugins/validation/jquery.validate.js
/*!
 * jQuery Validation Plugin v1.17.0
 *
 * https://jqueryvalidation.org/
 *
 * Copyright (c) 2017 Jörn Zaefferer
 * Released under the MIT license
 */
(function (factory) {
   if (typeof define === "function" && define.amd) {
      define(["jquery"], factory);
   } else if (typeof module === "object" && module.exports) {
      module.exports = factory(require("jquery"));
   } else {
      factory(jQuery);
   }
}(function ($) {

   $.extend($.fn, {

      // https://jqueryvalidation.org/validate/
      validate: function (options) {

         // If nothing is selected, return nothing; can't chain anyway
         if (!this.length) {
            if (options && options.debug && window.console) {
               console.warn("Nothing selected, can't validate, returning nothing.");
            }
            return;
         }

         // Check if a validator for this form was already created
         var validator = $.data(this[ 0 ], "validator");
         if (validator) {
            return validator;
         }

         // Add novalidate tag if HTML5.
         this.attr("novalidate", "novalidate");

         validator = new $.validator(options, this[ 0 ]);
         $.data(this[ 0 ], "validator", validator);

         if (validator.settings.onsubmit) {

            this.on("click.validate", ":submit", function (event) {

               // Track the used submit button to properly handle scripted
               // submits later.
               validator.submitButton = event.currentTarget;

               // Allow suppressing validation by adding a cancel class to the submit button
               if ($(this).hasClass("cancel")) {
                  validator.cancelSubmit = true;
               }

               // Allow suppressing validation by adding the html5 formnovalidate attribute to the submit button
               if ($(this).attr("formnovalidate") !== undefined) {
                  validator.cancelSubmit = true;
               }
            });

            // Validate the form on submit
            this.on("submit.validate", function (event) {
               if (validator.settings.debug) {

                  // Prevent form submit to be able to see console output
                  event.preventDefault();
               }
               function handle() {
                  var hidden, result;

                  // Insert a hidden input as a replacement for the missing submit button
                  // The hidden input is inserted in two cases:
                  //   - A user defined a `submitHandler`
                  //   - There was a pending request due to `remote` method and `stopRequest()`
                  //     was called to submit the form in case it's valid
                  if (validator.submitButton && (validator.settings.submitHandler || validator.formSubmitted)) {
                     hidden = $("<input type='hidden'/>")
                             .attr("name", validator.submitButton.name)
                             .val($(validator.submitButton).val())
                             .appendTo(validator.currentForm);
                  }

                  if (validator.settings.submitHandler) {
                     result = validator.settings.submitHandler.call(validator, validator.currentForm, event);
                     if (hidden) {

                        // And clean up afterwards; thanks to no-block-scope, hidden can be referenced
                        hidden.remove();
                     }
                     if (result !== undefined) {
                        return result;
                     }
                     return false;
                  }
                  return true;
               }

               // Prevent submit for invalid forms or custom submit handlers
               if (validator.cancelSubmit) {
                  validator.cancelSubmit = false;
                  return handle();
               }
               if (validator.form()) {
                  if (validator.pendingRequest) {
                     validator.formSubmitted = true;
                     return false;
                  }
                  return handle();
               } else {
                  validator.focusInvalid();
                  return false;
               }
            });
         }

         return validator;
      },

      // https://jqueryvalidation.org/valid/
      valid: function () {
         var valid, validator, errorList;

         if ($(this[ 0 ]).is("form")) {
            valid = this.validate().form();
         } else {
            errorList = [];
            valid = true;
            validator = $(this[ 0 ].form).validate();
            this.each(function () {
               valid = validator.element(this) && valid;
               if (!valid) {
                  errorList = errorList.concat(validator.errorList);
               }
            });
            validator.errorList = errorList;
         }
         return valid;
      },

      // https://jqueryvalidation.org/rules/
      rules: function (command, argument) {
         var element = this[ 0 ],
                 settings, staticRules, existingRules, data, param, filtered;

         // If nothing is selected, return empty object; can't chain anyway
         if (element == null) {
            return;
         }

         if (!element.form && element.hasAttribute("contenteditable")) {
            element.form = this.closest("form")[ 0 ];
            element.name = this.attr("name");
         }

         if (element.form == null) {
            return;
         }

         if (command) {
            settings = $.data(element.form, "validator").settings;
            staticRules = settings.rules;
            existingRules = $.validator.staticRules(element);
            switch (command) {
               case "add":
                  $.extend(existingRules, $.validator.normalizeRule(argument));

                  // Remove messages from rules, but allow them to be set separately
                  delete existingRules.messages;
                  staticRules[ element.name ] = existingRules;
                  if (argument.messages) {
                     settings.messages[ element.name ] = $.extend(settings.messages[ element.name ], argument.messages);
                  }
                  break;
               case "remove":
                  if (!argument) {
                     delete staticRules[ element.name ];
                     return existingRules;
                  }
                  filtered = {};
                  $.each(argument.split(/\s/), function (index, method) {
                     filtered[ method ] = existingRules[ method ];
                     delete existingRules[ method ];
                  });
                  return filtered;
            }
         }

         data = $.validator.normalizeRules(
                 $.extend(
                         {},
                         $.validator.classRules(element),
                         $.validator.attributeRules(element),
                         $.validator.dataRules(element),
                         $.validator.staticRules(element)
                         ), element);

         // Make sure required is at front
         if (data.required) {
            param = data.required;
            delete data.required;
            data = $.extend({required: param}, data);
         }

         // Make sure remote is at back
         if (data.remote) {
            param = data.remote;
            delete data.remote;
            data = $.extend(data, {remote: param});
         }

         return data;
      }
   });

// Custom selectors
   $.extend($.expr.pseudos || $.expr[ ":" ], {// '|| $.expr[ ":" ]' here enables backwards compatibility to jQuery 1.7. Can be removed when dropping jQ 1.7.x support

      // https://jqueryvalidation.org/blank-selector/
      blank: function (a) {
         return !$.trim("" + $(a).val());
      },

      // https://jqueryvalidation.org/filled-selector/
      filled: function (a) {
         var val = $(a).val();
         return val !== null && !!$.trim("" + val);
      },

      // https://jqueryvalidation.org/unchecked-selector/
      unchecked: function (a) {
         return !$(a).prop("checked");
      }
   });

// Constructor for validator
   $.validator = function (options, form) {
      this.settings = $.extend(true, {}, $.validator.defaults, options);
      this.currentForm = form;
      this.init();
   };

// https://jqueryvalidation.org/jQuery.validator.format/
   $.validator.format = function (source, params) {
      if (arguments.length === 1) {
         return function () {
            var args = $.makeArray(arguments);
            args.unshift(source);
            return $.validator.format.apply(this, args);
         };
      }
      if (params === undefined) {
         return source;
      }
      if (arguments.length > 2 && params.constructor !== Array) {
         params = $.makeArray(arguments).slice(1);
      }
      if (params.constructor !== Array) {
         params = [params];
      }
      $.each(params, function (i, n) {
         source = source.replace(new RegExp("\\{" + i + "\\}", "g"), function () {
            return n;
         });
      });
      return source;
   };

   $.extend($.validator, {

      defaults: {
         messages: {},
         groups: {},
         rules: {},
         errorClass: "error",
         pendingClass: "pending",
         validClass: "valid",
         errorElement: "label",
         focusCleanup: false,
         focusInvalid: true,
         errorContainer: $([]),
         errorLabelContainer: $([]),
         onsubmit: true,
         ignore: ":hidden",
         ignoreTitle: false,
         onfocusin: function (element) {
            this.lastActive = element;

            // Hide error label and remove error class on focus if enabled
            if (this.settings.focusCleanup) {
               if (this.settings.unhighlight) {
                  this.settings.unhighlight.call(this, element, this.settings.errorClass, this.settings.validClass);
               }
               this.hideThese(this.errorsFor(element));
            }
         },
         onfocusout: function (element) {
            if (!this.checkable(element) && (element.name in this.submitted || !this.optional(element))) {
               this.element(element);
            }
         },
         onkeyup: function (element, event) {

            // Avoid revalidate the field when pressing one of the following keys
            // Shift       => 16
            // Ctrl        => 17
            // Alt         => 18
            // Caps lock   => 20
            // End         => 35
            // Home        => 36
            // Left arrow  => 37
            // Up arrow    => 38
            // Right arrow => 39
            // Down arrow  => 40
            // Insert      => 45
            // Num lock    => 144
            // AltGr key   => 225
            var excludedKeys = [
               16, 17, 18, 20, 35, 36, 37,
               38, 39, 40, 45, 144, 225
            ];

            if (event.which === 9 && this.elementValue(element) === "" || $.inArray(event.keyCode, excludedKeys) !== -1) {
               return;
            } else if (element.name in this.submitted || element.name in this.invalid) {
               this.element(element);
            }
         },
         onclick: function (element) {

            // Click on selects, radiobuttons and checkboxes
            if (element.name in this.submitted) {
               this.element(element);

               // Or option elements, check parent select in that case
            } else if (element.parentNode.name in this.submitted) {
               this.element(element.parentNode);
            }
         },
         highlight: function (element, errorClass, validClass) {
            if (element.type === "radio") {
               this.findByName(element.name).addClass(errorClass).removeClass(validClass);
            } else {
               $(element).addClass(errorClass).removeClass(validClass);
            }
         },
         unhighlight: function (element, errorClass, validClass) {
            if (element.type === "radio") {
               this.findByName(element.name).removeClass(errorClass).addClass(validClass);
            } else {
               $(element).removeClass(errorClass).addClass(validClass);
            }
         }
      },

      // https://jqueryvalidation.org/jQuery.validator.setDefaults/
      setDefaults: function (settings) {
         $.extend($.validator.defaults, settings);
      },

      messages: {
         required: "This field is required.",
         remote: "Please fix this field.",
         email: "Please enter a valid email address.",
         url: "Please enter a valid URL.",
         date: "Please enter a valid date.",
         dateISO: "Please enter a valid date (ISO).",
         number: "Please enter a valid number.",
         digits: "Please enter only digits.",
         equalTo: "Please enter the same value again.",
         maxlength: $.validator.format("Please enter no more than {0} characters."),
         minlength: $.validator.format("Please enter at least {0} characters."),
         rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
         range: $.validator.format("Please enter a value between {0} and {1}."),
         max: $.validator.format("Please enter a value less than or equal to {0}."),
         min: $.validator.format("Please enter a value greater than or equal to {0}."),
         step: $.validator.format("Please enter a multiple of {0}.")
      },

      autoCreateRanges: false,

      prototype: {

         init: function () {
            this.labelContainer = $(this.settings.errorLabelContainer);
            this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
            this.containers = $(this.settings.errorContainer).add(this.settings.errorLabelContainer);
            this.submitted = {};
            this.valueCache = {};
            this.pendingRequest = 0;
            this.pending = {};
            this.invalid = {};
            this.reset();

            var groups = (this.groups = {}),
                    rules;
            $.each(this.settings.groups, function (key, value) {
               if (typeof value === "string") {
                  value = value.split(/\s/);
               }
               $.each(value, function (index, name) {
                  groups[ name ] = key;
               });
            });
            rules = this.settings.rules;
            $.each(rules, function (key, value) {
               rules[ key ] = $.validator.normalizeRule(value);
            });

            function delegate(event) {

               // Set form expando on contenteditable
               if (!this.form && this.hasAttribute("contenteditable")) {
                  this.form = $(this).closest("form")[ 0 ];
                  this.name = $(this).attr("name");
               }

               var validator = $.data(this.form, "validator"),
                       eventType = "on" + event.type.replace(/^validate/, ""),
                       settings = validator.settings;
               if (settings[ eventType ] && !$(this).is(settings.ignore)) {
                  settings[ eventType ].call(validator, this, event);
               }
            }

            $(this.currentForm)
                    .on("focusin.validate focusout.validate keyup.validate",
                            ":text, [type='password'], [type='file'], select, textarea, [type='number'], [type='search'], " +
                            "[type='tel'], [type='url'], [type='email'], [type='datetime'], [type='date'], [type='month'], " +
                            "[type='week'], [type='time'], [type='datetime-local'], [type='range'], [type='color'], " +
                            "[type='radio'], [type='checkbox'], [contenteditable], [type='button']", delegate)

                    // Support: Chrome, oldIE
                    // "select" is provided as event.target when clicking a option
                    .on("click.validate", "select, option, [type='radio'], [type='checkbox']", delegate);

            if (this.settings.invalidHandler) {
               $(this.currentForm).on("invalid-form.validate", this.settings.invalidHandler);
            }
         },

         // https://jqueryvalidation.org/Validator.form/
         form: function () {
            this.checkForm();
            $.extend(this.submitted, this.errorMap);
            this.invalid = $.extend({}, this.errorMap);
            if (!this.valid()) {
               $(this.currentForm).triggerHandler("invalid-form", [this]);
            }
            this.showErrors();
            return this.valid();
         },

         checkForm: function () {
            this.prepareForm();
            for (var i = 0, elements = (this.currentElements = this.elements()); elements[ i ]; i++) {
               this.check(elements[ i ]);
            }
            return this.valid();
         },

         // https://jqueryvalidation.org/Validator.element/
         element: function (element) {
            var cleanElement = this.clean(element),
                    checkElement = this.validationTargetFor(cleanElement),
                    v = this,
                    result = true,
                    rs, group;

            if (checkElement === undefined) {
               delete this.invalid[ cleanElement.name ];
            } else {
               this.prepareElement(checkElement);
               this.currentElements = $(checkElement);

               // If this element is grouped, then validate all group elements already
               // containing a value
               group = this.groups[ checkElement.name ];
               if (group) {
                  $.each(this.groups, function (name, testgroup) {
                     if (testgroup === group && name !== checkElement.name) {
                        cleanElement = v.validationTargetFor(v.clean(v.findByName(name)));
                        if (cleanElement && cleanElement.name in v.invalid) {
                           v.currentElements.push(cleanElement);
                           result = v.check(cleanElement) && result;
                        }
                     }
                  });
               }

               rs = this.check(checkElement) !== false;
               result = result && rs;
               if (rs) {
                  this.invalid[ checkElement.name ] = false;
               } else {
                  this.invalid[ checkElement.name ] = true;
               }

               if (!this.numberOfInvalids()) {

                  // Hide error containers on last error
                  this.toHide = this.toHide.add(this.containers);
               }
               this.showErrors();

               // Add aria-invalid status for screen readers
               $(element).attr("aria-invalid", !rs);
            }

            return result;
         },

         // https://jqueryvalidation.org/Validator.showErrors/
         showErrors: function (errors) {
            if (errors) {
               var validator = this;

               // Add items to error list and map
               $.extend(this.errorMap, errors);
               this.errorList = $.map(this.errorMap, function (message, name) {
                  return {
                     message: message,
                     element: validator.findByName(name)[ 0 ]
                  };
               });

               // Remove items from success list
               this.successList = $.grep(this.successList, function (element) {
                  return !(element.name in errors);
               });
            }
            if (this.settings.showErrors) {
               this.settings.showErrors.call(this, this.errorMap, this.errorList);
            } else {
               this.defaultShowErrors();
            }
         },

         // https://jqueryvalidation.org/Validator.resetForm/
         resetForm: function () {
            if ($.fn.resetForm) {
               $(this.currentForm).resetForm();
            }
            this.invalid = {};
            this.submitted = {};
            this.prepareForm();
            this.hideErrors();
            var elements = this.elements()
                    .removeData("previousValue")
                    .removeAttr("aria-invalid");

            this.resetElements(elements);
         },

         resetElements: function (elements) {
            var i;

            if (this.settings.unhighlight) {
               for (i = 0; elements[ i ]; i++) {
                  this.settings.unhighlight.call(this, elements[ i ],
                          this.settings.errorClass, "");
                  this.findByName(elements[ i ].name).removeClass(this.settings.validClass);
               }
            } else {
               elements
                       .removeClass(this.settings.errorClass)
                       .removeClass(this.settings.validClass);
            }
         },

         numberOfInvalids: function () {
            return this.objectLength(this.invalid);
         },

         objectLength: function (obj) {
            /* jshint unused: false */
            var count = 0,
                    i;
            for (i in obj) {

               // This check allows counting elements with empty error
               // message as invalid elements
               if (obj[ i ] !== undefined && obj[ i ] !== null && obj[ i ] !== false) {
                  count++;
               }
            }
            return count;
         },

         hideErrors: function () {
            this.hideThese(this.toHide);
         },

         hideThese: function (errors) {
            errors.not(this.containers).text("");
            this.addWrapper(errors).hide();
         },

         valid: function () {
            return this.size() === 0;
         },

         size: function () {
            return this.errorList.length;
         },

         focusInvalid: function () {
            if (this.settings.focusInvalid) {
               try {
                  $(this.findLastActive() || this.errorList.length && this.errorList[ 0 ].element || [])
                          .filter(":visible")
                          .focus()

                          // Manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
                          .trigger("focusin");
               } catch (e) {

                  // Ignore IE throwing errors when focusing hidden elements
               }
            }
         },

         findLastActive: function () {
            var lastActive = this.lastActive;
            return lastActive && $.grep(this.errorList, function (n) {
               return n.element.name === lastActive.name;
            }).length === 1 && lastActive;
         },

         elements: function () {
            var validator = this,
                    rulesCache = {};

            // Select all valid inputs inside the form (no submit or reset buttons)
            return $(this.currentForm)
                    .find("input, select, textarea, [contenteditable]")
                    .not(":submit, :reset, :image, :disabled")
                    .not(this.settings.ignore)
                    .filter(function () {
                       var name = this.name || $(this).attr("name"); // For contenteditable
                       if (!name && validator.settings.debug && window.console) {
                          console.error("%o has no name assigned", this);
                       }

                       // Set form expando on contenteditable
                       if (this.hasAttribute("contenteditable")) {
                          this.form = $(this).closest("form")[ 0 ];
                          this.name = name;
                       }

                       // Select only the first element for each name, and only those with rules specified
                       if (name in rulesCache || !validator.objectLength($(this).rules())) {
                          return false;
                       }

                       rulesCache[ name ] = true;
                       return true;
                    });
         },

         clean: function (selector) {
            return $(selector)[ 0 ];
         },

         errors: function () {
            var errorClass = this.settings.errorClass.split(" ").join(".");
            return $(this.settings.errorElement + "." + errorClass, this.errorContext);
         },

         resetInternals: function () {
            this.successList = [];
            this.errorList = [];
            this.errorMap = {};
            this.toShow = $([]);
            this.toHide = $([]);
         },

         reset: function () {
            this.resetInternals();
            this.currentElements = $([]);
         },

         prepareForm: function () {
            this.reset();
            this.toHide = this.errors().add(this.containers);
         },

         prepareElement: function (element) {
            this.reset();
            this.toHide = this.errorsFor(element);
         },

         elementValue: function (element) {
            var $element = $(element),
                    type = element.type,
                    val, idx;

            if (type === "radio" || type === "checkbox") {
               return this.findByName(element.name).filter(":checked").val();
            } else if (type === "number" && typeof element.validity !== "undefined") {
               return element.validity.badInput ? "NaN" : $element.val();
            }

            if (element.hasAttribute("contenteditable")) {
               val = $element.text();
            } else {
               val = $element.val();
            }

            if (type === "file") {

               // Modern browser (chrome & safari)
               if (val.substr(0, 12) === "C:\\fakepath\\") {
                  return val.substr(12);
               }

               // Legacy browsers
               // Unix-based path
               idx = val.lastIndexOf("/");
               if (idx >= 0) {
                  return val.substr(idx + 1);
               }

               // Windows-based path
               idx = val.lastIndexOf("\\");
               if (idx >= 0) {
                  return val.substr(idx + 1);
               }

               // Just the file name
               return val;
            }

            if (typeof val === "string") {
               return val.replace(/\r/g, "");
            }
            return val;
         },

         check: function (element) {
            element = this.validationTargetFor(this.clean(element));

            var rules = $(element).rules(),
                    rulesCount = $.map(rules, function (n, i) {
                       return i;
                    }).length,
                    dependencyMismatch = false,
                    val = this.elementValue(element),
                    result, method, rule, normalizer;

            // Prioritize the local normalizer defined for this element over the global one
            // if the former exists, otherwise user the global one in case it exists.
            if (typeof rules.normalizer === "function") {
               normalizer = rules.normalizer;
            } else if (typeof this.settings.normalizer === "function") {
               normalizer = this.settings.normalizer;
            }

            // If normalizer is defined, then call it to retreive the changed value instead
            // of using the real one.
            // Note that `this` in the normalizer is `element`.
            if (normalizer) {
               val = normalizer.call(element, val);

               if (typeof val !== "string") {
                  throw new TypeError("The normalizer should return a string value.");
               }

               // Delete the normalizer from rules to avoid treating it as a pre-defined method.
               delete rules.normalizer;
            }

            for (method in rules) {
               rule = {method: method, parameters: rules[ method ]};
               try {
                  result = $.validator.methods[ method ].call(this, val, element, rule.parameters);

                  // If a method indicates that the field is optional and therefore valid,
                  // don't mark it as valid when there are no other rules
                  if (result === "dependency-mismatch" && rulesCount === 1) {
                     dependencyMismatch = true;
                     continue;
                  }
                  dependencyMismatch = false;

                  if (result === "pending") {
                     this.toHide = this.toHide.not(this.errorsFor(element));
                     return;
                  }

                  if (!result) {
                     this.formatAndAdd(element, rule);
                     return false;
                  }
               } catch (e) {
                  if (this.settings.debug && window.console) {
                     console.log("Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e);
                  }
                  if (e instanceof TypeError) {
                     e.message += ".  Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.";
                  }

                  throw e;
               }
            }
            if (dependencyMismatch) {
               return;
            }
            if (this.objectLength(rules)) {
               this.successList.push(element);
            }
            return true;
         },

         // Return the custom message for the given element and validation method
         // specified in the element's HTML5 data attribute
         // return the generic message if present and no method specific message is present
         customDataMessage: function (element, method) {
            return $(element).data("msg" + method.charAt(0).toUpperCase() +
                    method.substring(1).toLowerCase()) || $(element).data("msg");
         },

         // Return the custom message for the given element name and validation method
         customMessage: function (name, method) {
            var m = this.settings.messages[ name ];
            return m && (m.constructor === String ? m : m[ method ]);
         },

         // Return the first defined argument, allowing empty strings
         findDefined: function () {
            for (var i = 0; i < arguments.length; i++) {
               if (arguments[ i ] !== undefined) {
                  return arguments[ i ];
               }
            }
            return undefined;
         },

         // The second parameter 'rule' used to be a string, and extended to an object literal
         // of the following form:
         // rule = {
         //     method: "method name",
         //     parameters: "the given method parameters"
         // }
         //
         // The old behavior still supported, kept to maintain backward compatibility with
         // old code, and will be removed in the next major release.
         defaultMessage: function (element, rule) {
            if (typeof rule === "string") {
               rule = {method: rule};
            }

            var message = this.findDefined(
                    this.customMessage(element.name, rule.method),
                    this.customDataMessage(element, rule.method),
                    // 'title' is never undefined, so handle empty string as undefined
                    !this.settings.ignoreTitle && element.title || undefined,
                    $.validator.messages[ rule.method ],
                    "<strong>Warning: No message defined for " + element.name + "</strong>"
                    ),
                    theregex = /\$?\{(\d+)\}/g;
            if (typeof message === "function") {
               message = message.call(this, rule.parameters, element);
            } else if (theregex.test(message)) {
               message = $.validator.format(message.replace(theregex, "{$1}"), rule.parameters);
            }

            return message;
         },

         formatAndAdd: function (element, rule) {
            var message = this.defaultMessage(element, rule);

            this.errorList.push({
               message: message,
               element: element,
               method: rule.method
            });

            this.errorMap[ element.name ] = message;
            this.submitted[ element.name ] = message;
         },

         addWrapper: function (toToggle) {
            if (this.settings.wrapper) {
               toToggle = toToggle.add(toToggle.parent(this.settings.wrapper));
            }
            return toToggle;
         },

         defaultShowErrors: function () {
            var i, elements, error;
            for (i = 0; this.errorList[ i ]; i++) {
               error = this.errorList[ i ];
               if (this.settings.highlight) {
                  this.settings.highlight.call(this, error.element, this.settings.errorClass, this.settings.validClass);
               }
               this.showLabel(error.element, error.message);
            }
            if (this.errorList.length) {
               this.toShow = this.toShow.add(this.containers);
            }
            if (this.settings.success) {
               for (i = 0; this.successList[ i ]; i++) {
                  this.showLabel(this.successList[ i ]);
               }
            }
            if (this.settings.unhighlight) {
               for (i = 0, elements = this.validElements(); elements[ i ]; i++) {
                  this.settings.unhighlight.call(this, elements[ i ], this.settings.errorClass, this.settings.validClass);
               }
            }
            this.toHide = this.toHide.not(this.toShow);
            this.hideErrors();
            this.addWrapper(this.toShow).show();
         },

         validElements: function () {
            return this.currentElements.not(this.invalidElements());
         },

         invalidElements: function () {
            return $(this.errorList).map(function () {
               return this.element;
            });
         },

         showLabel: function (element, message) {
            var place, group, errorID, v,
                    error = this.errorsFor(element),
                    elementID = this.idOrName(element),
                    describedBy = $(element).attr("aria-describedby");

            if (error.length) {

               // Refresh error/success class
               error.removeClass(this.settings.validClass).addClass(this.settings.errorClass);

               // Replace message on existing label
               error.html(message);
            } else {

               // Create error element
               error = $("<" + this.settings.errorElement + ">")
                       .attr("id", elementID + "-error")
                       .addClass(this.settings.errorClass)
                       .html(message || "");

               // Maintain reference to the element to be placed into the DOM
               place = error;
               if (this.settings.wrapper) {

                  // Make sure the element is visible, even in IE
                  // actually showing the wrapped element is handled elsewhere
                  place = error.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
               }
               if (this.labelContainer.length) {
                  this.labelContainer.append(place);
               } else if (this.settings.errorPlacement) {
                  this.settings.errorPlacement.call(this, place, $(element));
               } else {
                  place.insertAfter(element);
               }

               // Link error back to the element
               if (error.is("label")) {

                  // If the error is a label, then associate using 'for'
                  error.attr("for", elementID);

                  // If the element is not a child of an associated label, then it's necessary
                  // to explicitly apply aria-describedby
               } else if (error.parents("label[for='" + this.escapeCssMeta(elementID) + "']").length === 0) {
                  errorID = error.attr("id");

                  // Respect existing non-error aria-describedby
                  if (!describedBy) {
                     describedBy = errorID;
                  } else if (!describedBy.match(new RegExp("\\b" + this.escapeCssMeta(errorID) + "\\b"))) {

                     // Add to end of list if not already present
                     describedBy += " " + errorID;
                  }
                  $(element).attr("aria-describedby", describedBy);

                  // If this element is grouped, then assign to all elements in the same group
                  group = this.groups[ element.name ];
                  if (group) {
                     v = this;
                     $.each(v.groups, function (name, testgroup) {
                        if (testgroup === group) {
                           $("[name='" + v.escapeCssMeta(name) + "']", v.currentForm)
                                   .attr("aria-describedby", error.attr("id"));
                        }
                     });
                  }
               }
            }
            if (!message && this.settings.success) {
               error.text("");
               if (typeof this.settings.success === "string") {
                  error.addClass(this.settings.success);
               } else {
                  this.settings.success(error, element);
               }
            }
            this.toShow = this.toShow.add(error);
         },

         errorsFor: function (element) {
            var name = this.escapeCssMeta(this.idOrName(element)),
                    describer = $(element).attr("aria-describedby"),
                    selector = "label[for='" + name + "'], label[for='" + name + "'] *";

            // 'aria-describedby' should directly reference the error element
            if (describer) {
               selector = selector + ", #" + this.escapeCssMeta(describer)
                       .replace(/\s+/g, ", #");
            }

            return this
                    .errors()
                    .filter(selector);
         },

         // See https://api.jquery.com/category/selectors/, for CSS
         // meta-characters that should be escaped in order to be used with JQuery
         // as a literal part of a name/id or any selector.
         escapeCssMeta: function (string) {
            return string.replace(/([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1");
         },

         idOrName: function (element) {
            return this.groups[ element.name ] || (this.checkable(element) ? element.name : element.id || element.name);
         },

         validationTargetFor: function (element) {

            // If radio/checkbox, validate first element in group instead
            if (this.checkable(element)) {
               element = this.findByName(element.name);
            }

            // Always apply ignore filter
            return $(element).not(this.settings.ignore)[ 0 ];
         },

         checkable: function (element) {
            return (/radio|checkbox/i).test(element.type);
         },

         findByName: function (name) {
            return $(this.currentForm).find("[name='" + this.escapeCssMeta(name) + "']");
         },

         getLength: function (value, element) {
            switch (element.nodeName.toLowerCase()) {
               case "select":
                  return $("option:selected", element).length;
               case "input":
                  if (this.checkable(element)) {
                     return this.findByName(element.name).filter(":checked").length;
                  }
            }
            return value.length;
         },

         depend: function (param, element) {
            return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ](param, element) : true;
         },

         dependTypes: {
            "boolean": function (param) {
               return param;
            },
            "string": function (param, element) {
               return !!$(param, element.form).length;
            },
            "function": function (param, element) {
               return param(element);
            }
         },

         optional: function (element) {
            var val = this.elementValue(element);
            return !$.validator.methods.required.call(this, val, element) && "dependency-mismatch";
         },

         startRequest: function (element) {
            if (!this.pending[ element.name ]) {
               this.pendingRequest++;
               $(element).addClass(this.settings.pendingClass);
               this.pending[ element.name ] = true;
            }
         },

         stopRequest: function (element, valid) {
            this.pendingRequest--;

            // Sometimes synchronization fails, make sure pendingRequest is never < 0
            if (this.pendingRequest < 0) {
               this.pendingRequest = 0;
            }
            delete this.pending[ element.name ];
            $(element).removeClass(this.settings.pendingClass);
            if (valid && this.pendingRequest === 0 && this.formSubmitted && this.form()) {
               $(this.currentForm).submit();

               // Remove the hidden input that was used as a replacement for the
               // missing submit button. The hidden input is added by `handle()`
               // to ensure that the value of the used submit button is passed on
               // for scripted submits triggered by this method
               if (this.submitButton) {
                  $("input:hidden[name='" + this.submitButton.name + "']", this.currentForm).remove();
               }

               this.formSubmitted = false;
            } else if (!valid && this.pendingRequest === 0 && this.formSubmitted) {
               $(this.currentForm).triggerHandler("invalid-form", [this]);
               this.formSubmitted = false;
            }
         },

         previousValue: function (element, method) {
            method = typeof method === "string" && method || "remote";

            return $.data(element, "previousValue") || $.data(element, "previousValue", {
               old: null,
               valid: true,
               message: this.defaultMessage(element, {method: method})
            });
         },

         // Cleans up all forms and elements, removes validator-specific events
         destroy: function () {
            this.resetForm();

            $(this.currentForm)
                    .off(".validate")
                    .removeData("validator")
                    .find(".validate-equalTo-blur")
                    .off(".validate-equalTo")
                    .removeClass("validate-equalTo-blur");
         }

      },

      classRuleSettings: {
         required: {required: true},
         email: {email: true},
         url: {url: true},
         date: {date: true},
         dateISO: {dateISO: true},
         number: {number: true},
         digits: {digits: true},
         creditcard: {creditcard: true}
      },

      addClassRules: function (className, rules) {
         if (className.constructor === String) {
            this.classRuleSettings[ className ] = rules;
         } else {
            $.extend(this.classRuleSettings, className);
         }
      },

      classRules: function (element) {
         var rules = {},
                 classes = $(element).attr("class");

         if (classes) {
            $.each(classes.split(" "), function () {
               if (this in $.validator.classRuleSettings) {
                  $.extend(rules, $.validator.classRuleSettings[ this ]);
               }
            });
         }
         return rules;
      },

      normalizeAttributeRule: function (rules, type, method, value) {

         // Convert the value to a number for number inputs, and for text for backwards compability
         // allows type="date" and others to be compared as strings
         if (/min|max|step/.test(method) && (type === null || /number|range|text/.test(type))) {
            value = Number(value);

            // Support Opera Mini, which returns NaN for undefined minlength
            if (isNaN(value)) {
               value = undefined;
            }
         }

         if (value || value === 0) {
            rules[ method ] = value;
         } else if (type === method && type !== "range") {

            // Exception: the jquery validate 'range' method
            // does not test for the html5 'range' type
            rules[ method ] = true;
         }
      },

      attributeRules: function (element) {
         var rules = {},
                 $element = $(element),
                 type = element.getAttribute("type"),
                 method, value;

         for (method in $.validator.methods) {

            // Support for <input required> in both html5 and older browsers
            if (method === "required") {
               value = element.getAttribute(method);

               // Some browsers return an empty string for the required attribute
               // and non-HTML5 browsers might have required="" markup
               if (value === "") {
                  value = true;
               }

               // Force non-HTML5 browsers to return bool
               value = !!value;
            } else {
               value = $element.attr(method);
            }

            this.normalizeAttributeRule(rules, type, method, value);
         }

         // 'maxlength' may be returned as -1, 2147483647 ( IE ) and 524288 ( safari ) for text inputs
         if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
            delete rules.maxlength;
         }

         return rules;
      },

      dataRules: function (element) {
         var rules = {},
                 $element = $(element),
                 type = element.getAttribute("type"),
                 method, value;

         for (method in $.validator.methods) {
            value = $element.data("rule" + method.charAt(0).toUpperCase() + method.substring(1).toLowerCase());
            this.normalizeAttributeRule(rules, type, method, value);
         }
         return rules;
      },

      staticRules: function (element) {
         var rules = {},
                 validator = $.data(element.form, "validator");

         if (validator.settings.rules) {
            rules = $.validator.normalizeRule(validator.settings.rules[ element.name ]) || {};
         }
         return rules;
      },

      normalizeRules: function (rules, element) {

         // Handle dependency check
         $.each(rules, function (prop, val) {

            // Ignore rule when param is explicitly false, eg. required:false
            if (val === false) {
               delete rules[ prop ];
               return;
            }
            if (val.param || val.depends) {
               var keepRule = true;
               switch (typeof val.depends) {
                  case "string":
                     keepRule = !!$(val.depends, element.form).length;
                     break;
                  case "function":
                     keepRule = val.depends.call(element, element);
                     break;
               }
               if (keepRule) {
                  rules[ prop ] = val.param !== undefined ? val.param : true;
               } else {
                  $.data(element.form, "validator").resetElements($(element));
                  delete rules[ prop ];
               }
            }
         });

         // Evaluate parameters
         $.each(rules, function (rule, parameter) {
            rules[ rule ] = $.isFunction(parameter) && rule !== "normalizer" ? parameter(element) : parameter;
         });

         // Clean number parameters
         $.each(["minlength", "maxlength"], function () {
            if (rules[ this ]) {
               rules[ this ] = Number(rules[ this ]);
            }
         });
         $.each(["rangelength", "range"], function () {
            var parts;
            if (rules[ this ]) {
               if ($.isArray(rules[ this ])) {
                  rules[ this ] = [Number(rules[ this ][ 0 ]), Number(rules[ this ][ 1 ])];
               } else if (typeof rules[ this ] === "string") {
                  parts = rules[ this ].replace(/[\[\]]/g, "").split(/[\s,]+/);
                  rules[ this ] = [Number(parts[ 0 ]), Number(parts[ 1 ])];
               }
            }
         });

         if ($.validator.autoCreateRanges) {

            // Auto-create ranges
            if (rules.min != null && rules.max != null) {
               rules.range = [rules.min, rules.max];
               delete rules.min;
               delete rules.max;
            }
            if (rules.minlength != null && rules.maxlength != null) {
               rules.rangelength = [rules.minlength, rules.maxlength];
               delete rules.minlength;
               delete rules.maxlength;
            }
         }

         return rules;
      },

      // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
      normalizeRule: function (data) {
         if (typeof data === "string") {
            var transformed = {};
            $.each(data.split(/\s/), function () {
               transformed[ this ] = true;
            });
            data = transformed;
         }
         return data;
      },

      // https://jqueryvalidation.org/jQuery.validator.addMethod/
      addMethod: function (name, method, message) {
         $.validator.methods[ name ] = method;
         $.validator.messages[ name ] = message !== undefined ? message : $.validator.messages[ name ];
         if (method.length < 3) {
            $.validator.addClassRules(name, $.validator.normalizeRule(name));
         }
      },

      // https://jqueryvalidation.org/jQuery.validator.methods/
      methods: {

         // https://jqueryvalidation.org/required-method/
         required: function (value, element, param) {

            // Check if dependency is met
            if (!this.depend(param, element)) {
               return "dependency-mismatch";
            }
            if (element.nodeName.toLowerCase() === "select") {

               // Could be an array for select-multiple or a string, both are fine this way
               var val = $(element).val();
               return val && val.length > 0;
            }
            if (this.checkable(element)) {
               return this.getLength(value, element) > 0;
            }
            return value.length > 0;
         },

         // https://jqueryvalidation.org/email-method/
         email: function (value, element) {

            // From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
            // Retrieved 2014-01-14
            // If you have a problem with this implementation, report a bug against the above spec
            // Or use custom methods to implement your own email validation
            return this.optional(element) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test(value);
         },

         // https://jqueryvalidation.org/url-method/
         url: function (value, element) {

            // Copyright (c) 2010-2013 Diego Perini, MIT licensed
            // https://gist.github.com/dperini/729294
            // see also https://mathiasbynens.be/demo/url-regex
            // modified to allow protocol-relative URLs
            return this.optional(element) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test(value);
         },

         // https://jqueryvalidation.org/date-method/
         date: function (value, element) {
            return this.optional(element) || !/Invalid|NaN/.test(new Date(value).toString());
         },

         // https://jqueryvalidation.org/dateISO-method/
         dateISO: function (value, element) {
            return this.optional(element) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test(value);
         },

         // https://jqueryvalidation.org/number-method/
         number: function (value, element) {
            return this.optional(element) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);
         },

         // https://jqueryvalidation.org/digits-method/
         digits: function (value, element) {
            return this.optional(element) || /^\d+$/.test(value);
         },

         // https://jqueryvalidation.org/minlength-method/
         minlength: function (value, element, param) {
            var length = $.isArray(value) ? value.length : this.getLength(value, element);
            return this.optional(element) || length >= param;
         },

         // https://jqueryvalidation.org/maxlength-method/
         maxlength: function (value, element, param) {
            var length = $.isArray(value) ? value.length : this.getLength(value, element);
            return this.optional(element) || length <= param;
         },

         // https://jqueryvalidation.org/rangelength-method/
         rangelength: function (value, element, param) {
            var length = $.isArray(value) ? value.length : this.getLength(value, element);
            return this.optional(element) || (length >= param[ 0 ] && length <= param[ 1 ]);
         },

         // https://jqueryvalidation.org/min-method/
         min: function (value, element, param) {
            return this.optional(element) || value >= param;
         },

         // https://jqueryvalidation.org/max-method/
         max: function (value, element, param) {
            return this.optional(element) || value <= param;
         },

         // https://jqueryvalidation.org/range-method/
         range: function (value, element, param) {
            return this.optional(element) || (value >= param[ 0 ] && value <= param[ 1 ]);
         },

         // https://jqueryvalidation.org/step-method/
         step: function (value, element, param) {
            var type = $(element).attr("type"),
                    errorMessage = "Step attribute on input type " + type + " is not supported.",
                    supportedTypes = ["text", "number", "range"],
                    re = new RegExp("\\b" + type + "\\b"),
                    notSupported = type && !re.test(supportedTypes.join()),
                    decimalPlaces = function (num) {
                       var match = ("" + num).match(/(?:\.(\d+))?$/);
                       if (!match) {
                          return 0;
                       }

                       // Number of digits right of decimal point.
                       return match[ 1 ] ? match[ 1 ].length : 0;
                    },
                    toInt = function (num) {
                       return Math.round(num * Math.pow(10, decimals));
                    },
                    valid = true,
                    decimals;

            // Works only for text, number and range input types
            // TODO find a way to support input types date, datetime, datetime-local, month, time and week
            if (notSupported) {
               throw new Error(errorMessage);
            }

            decimals = decimalPlaces(param);

            // Value can't have too many decimals
            if (decimalPlaces(value) > decimals || toInt(value) % toInt(param) !== 0) {
               valid = false;
            }

            return this.optional(element) || valid;
         },

         // https://jqueryvalidation.org/equalTo-method/
         equalTo: function (value, element, param) {

            // Bind to the blur event of the target in order to revalidate whenever the target field is updated
            var target = $(param);
            if (this.settings.onfocusout && target.not(".validate-equalTo-blur").length) {
               target.addClass("validate-equalTo-blur").on("blur.validate-equalTo", function () {
                  $(element).valid();
               });
            }
            return value === target.val();
         },

         // https://jqueryvalidation.org/remote-method/
         remote: function (value, element, param, method) {
            if (this.optional(element)) {
               return "dependency-mismatch";
            }

            method = typeof method === "string" && method || "remote";

            var previous = this.previousValue(element, method),
                    validator, data, optionDataString;

            if (!this.settings.messages[ element.name ]) {
               this.settings.messages[ element.name ] = {};
            }
            previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
            this.settings.messages[ element.name ][ method ] = previous.message;

            param = typeof param === "string" && {url: param} || param;
            optionDataString = $.param($.extend({data: value}, param.data));
            if (previous.old === optionDataString) {
               return previous.valid;
            }

            previous.old = optionDataString;
            validator = this;
            this.startRequest(element);
            data = {};
            data[ element.name ] = value;
            $.ajax($.extend(true, {
               mode: "abort",
               port: "validate" + element.name,
               dataType: "json",
               data: data,
               context: validator.currentForm,
               success: function (response) {
                  var valid = response === true || response === "true",
                          errors, message, submitted;

                  validator.settings.messages[ element.name ][ method ] = previous.originalMessage;
                  if (valid) {
                     submitted = validator.formSubmitted;
                     validator.resetInternals();
                     validator.toHide = validator.errorsFor(element);
                     validator.formSubmitted = submitted;
                     validator.successList.push(element);
                     validator.invalid[ element.name ] = false;
                     validator.showErrors();
                  } else {
                     errors = {};
                     message = response || validator.defaultMessage(element, {method: method, parameters: value});
                     errors[ element.name ] = previous.message = message;
                     validator.invalid[ element.name ] = true;
                     validator.showErrors(errors);
                  }
                  previous.valid = valid;
                  validator.stopRequest(element, valid);
               }
            }, param));
            return "pending";
         }
      }

   });

// Ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()

   var pendingRequests = {},
           ajax;

// Use a prefilter if available (1.5+)
   if ($.ajaxPrefilter) {
      $.ajaxPrefilter(function (settings, _, xhr) {
         var port = settings.port;
         if (settings.mode === "abort") {
            if (pendingRequests[ port ]) {
               pendingRequests[ port ].abort();
            }
            pendingRequests[ port ] = xhr;
         }
      });
   } else {

      // Proxy ajax
      ajax = $.ajax;
      $.ajax = function (settings) {
         var mode = ("mode" in settings ? settings : $.ajaxSettings).mode,
                 port = ("port" in settings ? settings : $.ajaxSettings).port;
         if (mode === "abort") {
            if (pendingRequests[ port ]) {
               pendingRequests[ port ].abort();
            }
            pendingRequests[ port ] = ajax.apply(this, arguments);
            return pendingRequests[ port ];
         }
         return ajax.apply(this, arguments);
      };
   }
   return $;
}));