(function () {   

        function stripHtml(value) {
            // remove html tags and space chars
            return value.replace(/<.[^<>]*?>/g, ' ').replace(/&nbsp;|&#160;/gi, ' ')
            // remove numbers and punctuation
	        .replace(/[0-9.(),;:!?%#$'"_+=\/-]*/g, '');
        }

        jQuery.validator.addMethod("maxWords", function (value, element, params) {
            return this.optional(element) || stripHtml(value).match(/\b\w+\b/g).length < params;
        }, jQuery.validator.format("Please enter {0} words or less."));

        jQuery.validator.addMethod("minWords", function (value, element, params) {
            return this.optional(element) || stripHtml(value).match(/\b\w+\b/g).length >= params;
        }, jQuery.validator.format("Please enter at least {0} words."));

        jQuery.validator.addMethod("rangeWords", function (value, element, params) {
            return this.optional(element) || stripHtml(value).match(/\b\w+\b/g).length >= params[0] && value.match(/bw+b/g).length < params[1];
        }, jQuery.validator.format("Please enter between {0} and {1} words."));


        jQuery.validator.addMethod("letterswithbasicpunc", function (value, element) {
            return this.optional(element) || /^[a-z-.,()'\"\s]+$/i.test(value);
        }, "Letters or punctuation only please");

        jQuery.validator.addMethod("alphanumeric", function (value, element) {
            return this.optional(element) || /^\w+$/i.test(value);
        }, "Letters, numbers, spaces or underscores only please");

        jQuery.validator.addMethod("lettersonly", function (value, element) {
            return this.optional(element) || /^[a-z]+$/i.test(value);
        }, "Letters only please");

        jQuery.validator.addMethod("nowhitespace", function (value, element) {
            return this.optional(element) || /^\S+$/i.test(value);
        }, "No white space please");

        jQuery.validator.addMethod("ziprange", function (value, element) {
            return this.optional(element) || /^90[2-5]\d\{2}-\d{4}$/.test(value);
        }, "Your ZIP-code must be in the range 902xx-xxxx to 905-xx-xxxx");

        jQuery.validator.addMethod("integer", function (value, element) {
            return this.optional(element) || /^-?\d+$/.test(value);
        }, "A positive or negative non-decimal number please");

        /**
        * Return true, if the value is a valid vehicle identification number (VIN).
        *
        * Works with all kind of text inputs.
        *
        * @example <input type="text" size="20" name="VehicleID" class="{required:true,vinUS:true}" />
        * @desc Declares a required input element whose value must be a valid vehicle identification number.
        *
        * @name jQuery.validator.methods.vinUS
        * @type Boolean
        * @cat Plugins/Validate/Methods
        */
        jQuery.validator.addMethod(
        "vinUS",
        function (v) {
            if (v.length != 17)
                return false;
            var i, n, d, f, cd, cdv;
            var LL = ["A", "B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"];
            var VL = [1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 7, 9, 2, 3, 4, 5, 6, 7, 8, 9];
            var FL = [8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2];
            var rs = 0;
            for (i = 0; i < 17; i++) {
                f = FL[i];
                d = v.slice(i, i + 1);
                if (i == 8) {
                    cdv = d;
                }
                if (!isNaN(d)) {
                    d *= f;
                }
                else {
                    for (n = 0; n < LL.length; n++) {
                        if (d.toUpperCase() === LL[n]) {
                            d = VL[n];
                            d *= f;
                            if (isNaN(cdv) && n == 8) {
                                cdv = LL[n];
                            }
                            break;
                        }
                    }
                }
                rs += d;
            }
            cd = rs % 11;
            if (cd == 10) { cd = "X"; }
            if (cd == cdv) { return true; }
            return false;
        },
        "The specified vehicle identification number (VIN) is invalid."
        );

        /**
        * Return true, if the value is a valid date, also making this formal check dd/mm/yyyy.
        *
        * @example jQuery.validator.methods.date("01/01/1900")
        * @result true
        *
        * @example jQuery.validator.methods.date("01/13/1990")
        * @result false
        *
        * @example jQuery.validator.methods.date("01.01.1900")
        * @result false
        *
        * @example <input name="pippo" class="{dateITA:true}" />
        * @desc Declares an optional input element whose value must be a valid date.
        *
        * @name jQuery.validator.methods.dateITA
        * @type Boolean
        * @cat Plugins/Validate/Methods
        */
        jQuery.validator.addMethod(
        "dateITA",
        function (value, element) {
            var check = false;
            var re = /^\d{1,2}\/\d{1,2}\/\d{4}$/;
            if (re.test(value)) {
                var adata = value.split('/');
                var gg = parseInt(adata[0], 10);
                var mm = parseInt(adata[1], 10);
                var aaaa = parseInt(adata[2], 10);
                var xdata = new Date(aaaa, mm - 1, gg);
                if ((xdata.getFullYear() == aaaa) && (xdata.getMonth() == mm - 1) && (xdata.getDate() == gg))
                    check = true;
                else
                    check = false;
            } else
                check = false;
            return this.optional(element) || check;
        },
        "Please enter a correct date"
        );

        jQuery.validator.addMethod("dateNL", function (value, element) {
            return this.optional(element) || /^\d\d?[\.\/-]\d\d?[\.\/-]\d\d\d?\d?$/.test(value);
        }, "Vul hier een geldige datum in."
        );

        jQuery.validator.addMethod("time", function (value, element) {
            return this.optional(element) || /^([01][0-9])|(2[0123]):([0-5])([0-9])$/.test(value);
        }, "Please enter a valid time, between 00:00 and 23:59"
        );

        /**
        * matches US phone number format 
        * 
        * where the area code may not start with 1 and the prefix may not start with 1 
        * allows '-' or ' ' as a separator and allows parens around area code 
        * some people may want to put a '1' in front of their number 
        * 
        * 1(212)-999-2345
        * or
        * 212 999 2344
        * or
        * 212-999-0983
        * 
        * but not
        * 111-123-5434
        * and not
        * 212 123 4567
        */
        jQuery.validator.addMethod("phoneUS", function (phone_number, element) {
            phone_number = phone_number.replace(/\s+/g, "");
            return this.optional(element) || phone_number.length > 9 &&
	        phone_number.match(/^(1-?)?(\([2-9]\d{2}\)|[2-9]\d{2})-?[2-9]\d{2}-?\d{4}$/);
        }, "Please specify a valid phone number");

        jQuery.validator.addMethod('phoneUK', function (phone_number, element) {
            return this.optional(element) || phone_number.length > 9 &&
        phone_number.match(/^(\(?(0|\+44)[1-9]{1}\d{1,4}?\)?\s?\d{3,4}\s?\d{3,4})$/);
        }, 'Please specify a valid phone number');

        jQuery.validator.addMethod('mobileUK', function (phone_number, element) {
            return this.optional(element) || phone_number.length > 9 &&
        phone_number.match(/^((0|\+44)7(5|6|7|8|9){1}\d{2}\s?\d{6})$/);
        }, 'Please specify a valid mobile number');

        // TODO check if value starts with <, otherwise don't try stripping anything
        jQuery.validator.addMethod("strippedminlength", function (value, element, param) {
            return jQuery(value).text().length >= param;
        }, jQuery.validator.format("Please enter at least {0} characters"));

        // same as email, but TLD is optional
        jQuery.validator.addMethod("email2", function (value, element, param) {
            return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([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])))\.?$/i.test(value);
        }, jQuery.validator.messages.email);

        // same as url, but TLD is optional
        jQuery.validator.addMethod("url2", function (value, element, param) {
            return this.optional(element) || /^(https?|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);
        }, jQuery.validator.messages.url);

        // NOTICE: Modified version of Castle.Components.Validator.CreditCardValidator
        // Redistributed under the the Apache License 2.0 at http://www.apache.org/licenses/LICENSE-2.0
        // Valid Types: mastercard, visa, amex, dinersclub, enroute, discover, jcb, unknown, all (overrides all other settings)
        jQuery.validator.addMethod("creditcardtypes", function (value, element, param) {

            if (/[^0-9-]+/.test(value))
                return false;

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

            var validTypes = 0x0000;

            if (param.mastercard)
                validTypes |= 0x0001;
            if (param.visa)
                validTypes |= 0x0002;
            if (param.amex)
                validTypes |= 0x0004;
            if (param.dinersclub)
                validTypes |= 0x0008;
            if (param.enroute)
                validTypes |= 0x0010;
            if (param.discover)
                validTypes |= 0x0020;
            if (param.jcb)
                validTypes |= 0x0040;
            if (param.unknown)
                validTypes |= 0x0080;
            if (param.all)
                validTypes = 0x0001 | 0x0002 | 0x0004 | 0x0008 | 0x0010 | 0x0020 | 0x0040 | 0x0080;

            if (validTypes & 0x0001 && /^(51|52|53|54|55)/.test(value)) { //mastercard
                return value.length == 16;
            }
            if (validTypes & 0x0002 && /^(4)/.test(value)) { //visa
                return value.length == 16;
            }
            if (validTypes & 0x0004 && /^(34|37)/.test(value)) { //amex
                return value.length == 15;
            }
            if (validTypes & 0x0008 && /^(300|301|302|303|304|305|36|38)/.test(value)) { //dinersclub
                return value.length == 14;
            }
            if (validTypes & 0x0010 && /^(2014|2149)/.test(value)) { //enroute
                return value.length == 15;
            }
            if (validTypes & 0x0020 && /^(6011)/.test(value)) { //discover
                return value.length == 16;
            }
            if (validTypes & 0x0040 && /^(3)/.test(value)) { //jcb
                return value.length == 16;
            }
            if (validTypes & 0x0040 && /^(2131|1800)/.test(value)) { //jcb
                return value.length == 15;
            }
            if (validTypes & 0x0080) { //unknown
                return true;
            }
            return false;
        }, "Please enter a valid credit card number.");   

})();