function order_send(order_name){
	switch (order_name){
		case 'written':
			elements_required = ["captcha"];
		break;

		case 'oral':
			elements_required = ["captcha"];
		break;
	}

	for (i = 0; i < elements_required.length; ++i){
		if (document.forms["order_" + order_name].elements[elements_required[i]].value.length == false){
			alert("Вы заполнили не все обязательные поля!");
			return false;
		}
	}

	document.forms["order_" + order_name].submit();
	return true;
}