/*!
 * jQuery Validation Plugin v1.13.1
 *
 * http://jqueryvalidation.org/
 *
 * Copyright (c) 2014 Jörn Zaefferer
 * Released under the MIT license
 */
(function(factory) {
    if (typeof define === "function" && define.amd) {
        define(["jquery"], factory);
    } else {
        factory(jQuery);
    }
}(function($) {

    $.extend($.fn, {
        // http://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.validateDelegate(":submit", "click", function(event) {
                    if (validator.settings.submitHandler) {
                        validator.submitButton = event.target;
                    }
                    // allow suppressing validation by adding a cancel class to the submit button
                    if ($(event.target).hasClass("cancel")) {
                        validator.cancelSubmit = true;
                    }

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

                // validate the form on submit
                this.submit(function(event) {
                    if (validator.settings.debug) {
                        // prevent form submit to be able to see console output
                        event.preventDefault();
                    }
                    function handle() {
                        var hidden, result;
                        if (validator.settings.submitHandler) {
                            if (validator.submitButton) {
                                // insert a hidden input as a replacement for the missing submit button
                                hidden = $("<input type='hidden'/>")
                                        .attr("name", validator.submitButton.name)
                                        .val($(validator.submitButton).val())
                                        .appendTo(validator.currentForm);
                            }
                            result = validator.settings.submitHandler.call(validator, validator.currentForm, event);
                            if (validator.submitButton) {
                                // 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;
        },
        // http://jqueryvalidation.org/valid/
        valid: function() {
            var valid, validator;

            if ($(this[ 0 ]).is("form")) {
                valid = this.validate().form();
            } else {
                valid = true;
                validator = $(this[ 0 ].form).validate();
                this.each(function() {
                    valid = validator.element(this) && valid;
                });
            }
            return valid;
        },
        // attributes: space separated list of attributes to retrieve and remove
        removeAttrs: function(attributes) {
            var result = {},
                    $element = this;
            $.each(attributes.split(/\s/), function(index, value) {
                result[ value ] = $element.attr(value);
                $element.removeAttr(value);
            });
            return result;
        },
        // http://jqueryvalidation.org/rules/
        rules: function(command, argument) {
            var element = this[ 0 ],
                    settings, staticRules, existingRules, data, param, filtered;

            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 ];
                            if (method === "required") {
                                $(element).removeAttr("aria-required");
                            }
                        });
                        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);
                $(element).attr("aria-required", "true");
            }

            // 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[ ":" ], {
        // http://jqueryvalidation.org/blank-selector/
        blank: function(a) {
            return !$.trim("" + $(a).val());
        },
        // http://jqueryvalidation.org/filled-selector/
        filled: function(a) {
            return !!$.trim("" + $(a).val());
        },
        // http://jqueryvalidation.org/unchecked-selector/
        unchecked: function(a) {
            return !$(a).prop("checked");
        }
    });

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

// http://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 (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",
            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) {
                if (event.which === 9 && this.elementValue(element) === "") {
                    return;
                } else if (element.name in this.submitted || element === this.lastElement) {
                    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);
                }
            }
        },
        // http://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.",
            creditcard: "Please enter a valid credit card number.",
            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}.")
        },
        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) {
                    var validator = $.data(this[ 0 ].form, "validator"),
                            eventType = "on" + event.type.replace(/^validate/, ""),
                            settings = validator.settings;
                    if (settings[ eventType ] && !this.is(settings.ignore)) {
                        settings[ eventType ].call(validator, this[ 0 ], event);
                    }
                }
                $(this.currentForm)
                        .validateDelegate(":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']",
                                "focusin focusout keyup", delegate)
                        // Support: Chrome, oldIE
                        // "select" is provided as event.target when clicking a option
                        .validateDelegate("select, option, [type='radio'], [type='checkbox']", "click", delegate);

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

                // Add aria-required to any Static/Data/Class required fields before first validation
                // Screen readers require this attribute to be present before the initial submission http://www.w3.org/TR/WCAG-TECHS/ARIA2.html
                $(this.currentForm).find("[required], [data-rule-required], .required").attr("aria-required", "true");
            },
            // http://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++) {
                    if (this.findByName(elements[i].name).length != undefined && this.findByName(elements[i].name).length > 1) {
                        for (var cnt = 0; cnt < this.findByName(elements[i].name).length; cnt++) {
                            this.check(this.findByName(elements[i].name)[cnt]);
                        }
                    } else {
                        this.check(elements[i]);
                    }
                }
                return this.valid();
            },
            // http://jqueryvalidation.org/Validator.element/
            element: function(element) {
                var cleanElement = this.clean(element),
                        checkElement = this.validationTargetFor(cleanElement),
                        result = true;

                this.lastElement = checkElement;

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

                    result = this.check(checkElement) !== false;
                    if (result) {
                        delete this.invalid[ checkElement.name ];
                    } else {
                        this.invalid[ checkElement.name ] = true;
                    }
                }
                // Add aria-invalid status for screen readers
                $(element).attr("aria-invalid", !result);

                if (!this.numberOfInvalids()) {
                    // Hide error containers on last error
                    this.toHide = this.toHide.add(this.containers);
                }
                this.showErrors();
                return result;
            },
            // http://jqueryvalidation.org/Validator.showErrors/
            showErrors: function(errors) {
                if (errors) {
                    // add items to error list and map
                    $.extend(this.errorMap, errors);
                    this.errorList = [];
                    for (var name in errors) {
                        this.errorList.push({
                            message: errors[ name ],
                            element: this.findByName(name)[ 0 ]
                        });
                    }
                    // remove items from success list
                    this.successList = $.grep(this.successList, function(element) {
                        return !(element.name in errors);
                    });
                }
                if (this.settings.showErrors) {
                    this.settings.showErrors.call(this, this.errorMap, this.errorList);
                } else {
                    this.defaultShowErrors();
                }
            },
            // http://jqueryvalidation.org/Validator.resetForm/
            resetForm: function() {
                if ($.fn.resetForm) {
                    $(this.currentForm).resetForm();
                }
                this.submitted = {};
                this.lastElement = null;
                this.prepareForm();
                this.hideErrors();
                this.elements()
                        .removeClass(this.settings.errorClass)
                        .removeData("previousValue")
                        .removeAttr("aria-invalid");
            },
            numberOfInvalids: function() {
                return this.objectLength(this.invalid);
            },
            objectLength: function(obj) {
                /* jshint unused: false */
                var count = 0,
                        i;
                for (i in obj) {
                    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")
                        .not(":submit, :reset, :image, [disabled], [readonly]")
                        .not(this.settings.ignore)
                        .filter(function() {
                            if (!this.name && validator.settings.debug && window.console) {
                                console.error("%o has no name assigned", this);
                            }

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

                            rulesCache[ this.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);
            },
            reset: function() {
                this.successList = [];
                this.errorList = [];
                this.errorMap = {};
                this.toShow = $([]);
                this.toHide = $([]);
                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 val,
                        $element = $(element),
                        type = element.type;

                if (type === "radio" || type === "checkbox") {
                    return $("input[name='" + element.name + "']:checked").val();
                } else if (type === "number" && typeof element.validity !== "undefined") {
                    return element.validity.badInput ? false : $element.val();
                }

                val = $element.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;

                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);
                        }
                        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;
            },
            defaultMessage: function(element, method) {
                return this.findDefined(
                        this.customMessage(element.name, method),
                        this.customDataMessage(element, method),
                        // title is never undefined, so handle empty string as undefined
                        !this.settings.ignoreTitle && element.title || undefined,
                        $.validator.messages[ method ],
                        "<strong>Warning: No message defined for " + element.name + "</strong>"
                        );
            },
            formatAndAdd: function(element, rule) {
                var message = this.defaultMessage(element, rule.method),
                        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);
                }
                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,
                        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(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);
                    } else if (error.parents("label[for='" + elementID + "']").length === 0) {
                        // If the element is not a child of an associated label, then it's necessary
                        // to explicitly apply aria-describedby

                        errorID = error.attr("id").replace(/(:|\.|\[|\])/g, "\\$1");
                        // Respect existing non-error aria-describedby
                        if (!describedBy) {
                            describedBy = errorID;
                        } else if (!describedBy.match(new RegExp("\\b" + 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) {
                            $.each(this.groups, function(name, testgroup) {
                                if (testgroup === group) {
                                    $("[name='" + name + "']", this.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.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 + ", #" + describer.replace(/\s+/g, ", #");
                }
                return this
                        .errors()
                        .filter(selector);
            },
            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='" + 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++;
                    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 ];
                if (valid && this.pendingRequest === 0 && this.formSubmitted && this.form()) {
                    $(this.currentForm).submit();
                    this.formSubmitted = false;
                } else if (!valid && this.pendingRequest === 0 && this.formSubmitted) {
                    $(this.currentForm).triggerHandler("invalid-form", [this]);
                    this.formSubmitted = false;
                }
            },
            previousValue: function(element) {
                return $.data(element, "previousValue") || $.data(element, "previousValue", {
                    old: null,
                    valid: true,
                    message: this.defaultMessage(element, "remote")
                });
            }

        },
        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;
        },
        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);
                }

                // 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/.test(method) && (type === null || /number|range|text/.test(type))) {
                    value = Number(value);
                }

                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;
                }
            }

            // 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 method, value,
                    rules = {}, $element = $(element);
            for (method in $.validator.methods) {
                value = $element.data("rule" + method.charAt(0).toUpperCase() + method.substring(1).toLowerCase());
                if (value !== undefined) {
                    rules[ 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 {
                        delete rules[ prop ];
                    }
                }
            });

            // evaluate parameters
            $.each(rules, function(rule, parameter) {
                rules[ rule ] = $.isFunction(parameter) ? 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;
        },
        // http://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));
            }
        },
        methods: {
            // http://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 $.trim(value).length > 0;
            },
            // http://jqueryvalidation.org/email-method/
            email: function(value, element) {
                // From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29
                // Retrieved 2014-01-14
                // If you have a problem with this implementation, report a bug against the above spec
                // Or use custom methods to implement your own email validation
                return this.optional(element) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[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);
            },
            // http://jqueryvalidation.org/url-method/
            url: function(value, element) {
                // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
                return this.optional(element) || /^(https?|s?ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
            },
            // http://jqueryvalidation.org/date-method/
            date: function(value, element) {
                return this.optional(element) || !/Invalid|NaN/.test(new Date(value).toString());
            },
            // http://jqueryvalidation.org/dateISO-method/
            dateISO: function(value, element) {
                return this.optional(element) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test(value);
            },
            // http://jqueryvalidation.org/number-method/
            number: function(value, element) {
                return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);
            },
            // http://jqueryvalidation.org/digits-method/
            digits: function(value, element) {
                return this.optional(element) || /^\d+$/.test(value);
            },
            // http://jqueryvalidation.org/creditcard-method/
            // based on http://en.wikipedia.org/wiki/Luhn/
            creditcard: function(value, element) {
                if (this.optional(element)) {
                    return "dependency-mismatch";
                }
                // accept only spaces, digits and dashes
                if (/[^0-9 \-]+/.test(value)) {
                    return false;
                }
                var nCheck = 0,
                        nDigit = 0,
                        bEven = false,
                        n, cDigit;

                value = value.replace(/\D/g, "");

                // Basing min and max length on
                // http://developer.ean.com/general_info/Valid_Credit_Card_Types
                if (value.length < 13 || value.length > 19) {
                    return false;
                }

                for (n = value.length - 1; n >= 0; n--) {
                    cDigit = value.charAt(n);
                    nDigit = parseInt(cDigit, 10);
                    if (bEven) {
                        if ((nDigit *= 2) > 9) {
                            nDigit -= 9;
                        }
                    }
                    nCheck += nDigit;
                    bEven = !bEven;
                }

                return (nCheck % 10) === 0;
            },
            // http://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;
            },
            // http://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;
            },
            // http://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 ]);
            },
            // http://jqueryvalidation.org/min-method/
            min: function(value, element, param) {
                return this.optional(element) || value >= param;
            },
            // http://jqueryvalidation.org/max-method/
            max: function(value, element, param) {
                return this.optional(element) || value <= param;
            },
            // http://jqueryvalidation.org/range-method/
            range: function(value, element, param) {
                return this.optional(element) || (value >= param[ 0 ] && value <= param[ 1 ]);
            },
            // http://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
                // TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
                var target = $(param);
                if (this.settings.onfocusout) {
                    target.unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                        $(element).valid();
                    });
                }
                return value === target.val();
            },
            // http://jqueryvalidation.org/remote-method/
            remote: function(value, element, param) {
                if (this.optional(element)) {
                    return "dependency-mismatch";
                }

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

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

                param = typeof param === "string" && {url: param} || param;

                if (previous.old === value) {
                    return previous.valid;
                }

                previous.old = value;
                validator = this;
                this.startRequest(element);
                data = {};
                data[ element.name ] = value;
                $.ajax($.extend(true, {
                    url: param,
                    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 ].remote = previous.originalMessage;
                        if (valid) {
                            submitted = validator.formSubmitted;
                            validator.prepareElement(element);
                            validator.formSubmitted = submitted;
                            validator.successList.push(element);
                            delete validator.invalid[ element.name ];
                            validator.showErrors();
                        } else {
                            errors = {};
                            message = response || validator.defaultMessage(element, "remote");
                            errors[ element.name ] = previous.message = $.isFunction(message) ? message(value) : message;
                            validator.invalid[ element.name ] = true;
                            validator.showErrors(errors);
                        }
                        previous.valid = valid;
                        validator.stopRequest(element, valid);
                    }
                }, param));
                return "pending";
            }

        }

    });

    $.format = function deprecated() {
        throw "$.format has been deprecated. Please use $.validator.format instead.";
    };

// 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);
        };
    }

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target

    $.extend($.fn, {
        validateDelegate: function(delegate, type, handler) {
            return this.bind(type, function(event) {
                var target = $(event.target);
                if (target.is(delegate)) {
                    return handler.apply(target, arguments);
                }
            });
        }
    });

}));