if (typeof jQuery != 'undefined') {
	jQuery(document).ready(function() {
		jQuery(".content form").validate({
	        invalidHandler: function(form, validator) {
	            var errors = validator.numberOfInvalids();
	            if (errors) {
	                var message = "";
	                validator.invalidElements().each( function() {
	                    if ($(this).hasClass("required") && $(this).val() === "") {
	                        message = message + "\n- field " + $(this).attr("id") + ": is required";
	                    } else {
	                        message = message + "\n- field " + $(this).attr("id") + ": " + $(this).val() + " is not a valid value";
	                    }
	                });
	                alert(message);
	                return false;
	            } else {
	                return true;
	            }
	        }
	    });
	});
}