function isSelectedRadioGroup(radiosRef){
	var selected = false;
	for(i=0; i<radiosRef.length; i++){
		if(radiosRef[i].checked){
			selected = true;	
			break;
		}
	}
	return selected;
}

function uncheckRadios(radiosRef){
	for(i=0; i<radiosRef.length; i++)
		radiosRef[i].checked = false;
}

function disableRadio(aRadioId){
	document.getElementById(aRadioId).checked = false;
	document.getElementById(aRadioId).disabled = true;
}

function enableRadio(aRadioId){
	document.getElementById(aRadioId).disabled = false;
}

function checkForm(){
	if (document.sendOrder.customerName.value.length == 0)
		alert ("Please insert your name");
	else if (document.sendOrder.customerSurname.value.length == 0)
		alert ("Please insert your surname");
	else if (document.sendOrder.address.value.length == 0)
		alert ("Please insert your address");				
	else if (document.sendOrder.email.value.length == 0) 
		alert ("Please insert your e-email address");				
	else if (!InvalidEMail(document.sendOrder.email.value))
		alert ("Please insert a right e-mail address");
	else {
		// Verifico Le modalita' di pagamento e spedizione:
		if(!isSelectedRadioGroup(document.forms["sendOrder"].shipment))
			alert("Please select a shipment method");
		else if(!isSelectedRadioGroup(document.forms["sendOrder"].paymentType))
			alert("Please select a payment method");
		else{
			/*var objRd = document.getElementById("paymentType_CC");
			if(objRd.checked)
				document.sendOrder.action = "saveOrder.php";
			else document.sendOrder.action = "sendOrder.php";*/
			document.sendOrder.action = "sendOrder.php";
			document.sendOrder.submit();
			//alert("ok");
		}
	}
}