$(document).ready(function(){
	$("#signupForm").validate({
		rules: {
			"data[User][password]": {
				required: true,
				minlength: 5,
				alphanumeric: true
			},
			userPasswordConfirm: {
				required: true,
				minlength: 5,
				equalTo: "#userPassword"
			}
		}
	});
});

jQuery.validator.addMethod("alphanumeric", function(value, element) {
	return this.optional(element) || /^[0-9A-Za-z]+$/i.test(value);
}, "Letters and numbers only please.");