$.validator.addMethod("phone", function(phone_number, element) {
	var digits = "0123456789";
	var phoneNumberDelimiters = "()- ext.";
	var validWorldPhoneChars = phoneNumberDelimiters + "+";
	var minDigitsInIPhoneNumber = 10;
	s=stripCharsInBag(phone_number,validWorldPhoneChars);
	return this.optional(element) || isInteger(s) && s.length >= minDigitsInIPhoneNumber;
	}, "Vul aub een correct telefoonnummer in!");


	$.validator.addMethod("fax", function(fax_number, element) {
	var digits = "0123456789";
	var faxNumberDelimiters = "()- ext.";
	var validWorldfaxChars = faxNumberDelimiters + "+";
	var minDigitsInIfaxNumber = 10;
	s=stripCharsInBag(fax_number,validWorldfaxChars);
	return this.optional(element) || isInteger(s) && s.length >= minDigitsInIfaxNumber;
	}, "Vul aub een correct of geen faxnummer  in!");

	function isInteger(s)
	{ var i;
	for (i = 0; i < s.length; i++)
	{
	// Check that current character is number.
	var c = s.charAt(i);
	if (((c < "0") || (c > "9"))) return false;
	}
	// All characters are numbers.
	return true;
	}
	function stripCharsInBag(s, bag)
	{ var i;
	var returnString = "";
	// Search through string's characters one by one.
	// If character is not in bag, append to returnString.
	for (i = 0; i < s.length; i++)
	{
	// Check that current character isn't whitespace.
	var c = s.charAt(i);
	if (bag.indexOf(c) == -1) returnString += c;
	}
	return returnString;
	}

	$.validator.addMethod("OK", function(value) {
		return value == "OK";
	}, 'Let op, hoofdlettergevoelig!');
	
	// this one requires the value to be the same as the first parameter
	$.validator.methods.equal = function(value, element, param) {
		return value == param;
	};
	
	$().ready(function() {
		var validator = $("#commentForm").bind("invalid-form.validate", function() {
			$("#summary").html("Your form contains " + validator.numberOfInvalids() + " errors, see details below.");
		}).validate({
			errorElement: "em",
			success: function(label) {
				label.text("ok!").addClass("success");
			},
			rules: {
				secret: "OK"
			}
		});
		
	});
	
	$(document).ready(function() {
	$("#commentForm").validate();
	});