function addmessagefortest () {
	var name = document.getElementById ('name');
	var mail = document.getElementById ('mail');
	var phones = document.getElementById ('phones');
	var message = document.getElementById ('message');
	var subm = document.getElementById ('submit');
	if (name && mail && phones && message && subm) {
		subm.disabled = !name.value || !message.value || (!mail.value && !phones.value);
	}
}