function getSelectedRadio(buttonGroup) {
	if (buttonGroup[0]) {
		for (var i=0; i<buttonGroup.length; i++) {
			if (buttonGroup[i].checked) {
				return i;
			}
		}
	} else {
		if (buttonGroup.checked) {
			return 0;
		}
	}
	return -1;
}

function confirmation(feedbackform) {
	var i = getSelectedRadio(feedbackform.rating);
	if(i == -1) {
		alert ("Please click a button to rate this page before submitting.");
		document.location;
		return false;
	}
	else {
		//if (i != 0) {
		window.open('/iw/dsl/confirmation.jsp', 'newwindow', 'scrollbars=yes, width=400, height=400, resizable=yes, toolbar=no, location=no, top=0, left=0');
		return true;
		//}	
	}
}

function  dataSubmit(feedbackform) {
	return confirmation(feedbackform);
}