function check_form(form) {
			if (!form.email.value.match('^[a-z\.\-_]{2,}@[a-z\-\.]{2,}\.[a-z]{2,4}$') || form.Сообщение.value.length < 3 || !form.Сообщение.is_not_fc) {
				alert('Please, fill up the fields properly');
				return false;
			} else {
				form.submit();
				return true;
			}
		}
		function clear_form(form) {
			if (!form.is_not_fc) {
				form.value = '';
				form.is_not_fc = true;
			}
		}
		function active(form) {
			form.style.backgroundColor = '#ffffff'
		}
		function inactive(form) {
			form.style.backgroundColor = '#ededed'
		}