function windowOpen( url, name, w, h ){
	newWindow = window.open( "" + url + "", "" + name + "", "width=" + w + ",height=" + h +",top=10,left=10,menubar=yes,location=yes,resizable=yes,scrollbars=yes,status=yes" );
	newWindow.focus();
}

function checkFormSender(){
	if( document.forms.FormSender.message_to.value == "" ){
		alert("Заполните поле: Кому (e-mail)");
		document.forms.FormSender.message_to.focus();
		return false;
	}
	if( document.forms.FormSender.message_from_name.value == "" ){
		alert("Заполните поле: От кого");
		document.forms.FormSender.message_from_name.focus();
		return false;
	}
	if( document.forms.FormSender.message_from_email.value == "" ){
		alert("Заполните поле: От кого (e-mail)");
		document.forms.FormSender.message_from_email.focus();
		return false;
	}
	if( document.forms.FormSender.message_subject.value == "" ){
		alert("Заполните поле: Тема");
		document.forms.FormSender.message_subject.focus();
		return false;
	}
	if( document.forms.FormSender.message_content.value == "" ){
		alert("Заполните поле: Текст сообщения");
		document.forms.FormSender.message_content.focus();
		return false;
	}
	return true;
}