(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.");

jQuery.validator
		.addMethod(
				"ipv4",
				function(value, element, param) {
					return this.optional(element)
							|| /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/i
									.test(value);
				}, "Please enter a valid IP v4 address.");

jQuery.validator
		.addMethod(
				"ipv6",
				function(value, element, param) {
					return this.optional(element)
							|| /^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/i
									.test(value);
				}, "Please enter a valid IP v6 address.");

jQuery.validator.addMethod("requiredSelect", function(value, element) {
	return jQuery("#" + jQuery(element).attr("id")).val() != "empty";
}, "Select a valid option");  

/**
 * Custom validation methods
 */
jQuery.validator.addMethod('oneFieldMinimum', function(value, element) {
	var valid = false;
	jQuery('.oneAtLeast').each(function(index, el) {
		if( jQuery(el).val() > 0 ) {
			valid = true;
		}
	});
	
	if( valid ) {
		jQuery('.oneAtLeast').removeClass('error');
	} else {
		jQuery('.oneAtLeast').addClass('error');
	}
	
	return valid;
}, 'Please select at least one option');