$(document).ready(function(){
	jQuery.validator.messages.required = "";
	jQuery.validator.messages.email = "";
	jQuery.validator.messages.number = "";
	$("#businessproduktanfrage").validate({
		errorContainer: "#messageBox",
		submitHandler: function (form) {
			if ($('.businessprodukt:checked').length > 0) {
				form.submit();
			} else {
				$('#messageBox').show();
				$('#areaBusinessprodukt').addClass('error');
			}
		}
	});
});