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

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

jQuery.validator.addMethod("lettersonly", function(value, element) {
	return this.optional(element) || /^[\sA-Za-záéíóúäëïöüàèìòùÁÉÍÓÚÄËÏÖÜÀÈÌÒÙñÑ]+$/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");

/**
* 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("phone", 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");

// 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.");

$.validator.addMethod("rut", function(value, element) {
  return this.optional(element) || $.Rut.validar(value);
}, "Este campo debe ser un rut valido.");

/*
 * Date Format 1.2.3
 * (c) 2007-2009 Steven Levithan <stevenlevithan.com>
 * MIT license
 *
 * Includes enhancements by Scott Trenda <scott.trenda.net>
 * and Kris Kowal <cixar.com/~kris.kowal/>
 *
 * Accepts a date, a mask, or a date and a mask.
 * Returns a formatted version of the given date.
 * The date defaults to the current date/time.
 * The mask defaults to dateFormat.masks.default.
 */

var dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date;
		if (isNaN(date)) throw SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
	return dateFormat(this, mask, utc);
};

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

String.prototype.capitalize = function(){
    return this.replace(/\w+/g, function(a){
        return a.charAt(0).toUpperCase() + a.slice(1).toLowerCase();
    });
};

function digitoVerificador(rut) {
	var total = 0;
	
	for(var i=0; i<rut.length; i++) {
		var num = parseInt(rut.charAt(rut.length - i - 1));
		num *= (i % 6) + 2;
		total += num;
	}
	
	var digito = total / 11 - total % 11;
	
	switch(digito) {
		case 10: return 'k';
		case 11: return '0';
		default: return String(digito);
	}	
}