function checkRadio(name) {
	checked = false;
	for (i = 0, len = document.getElementById('surveyform')[name].length; i < len; i++) {
		if (checked === false && document.getElementById('surveyform')[name][i].checked == true) checked = true;
	}
	return checked;
}

function formValidate() {
	if (checkRadio('question1') == false) {
		alert("You have not filled in question 1");
		return false;
	} else if (checkRadio('question2') == false) {
		alert("You have not filled in question 2");
		return false;
	} else if (checkRadio('question3') == false) {
		alert("You have not filled in question 3");
		return false;
	} else if (checkRadio('question4') == false) {
		alert("You have not filled in question 4");
		return false;
	} else if (checkRadio('question5') == false) {
		alert("You have not filled in question 5");
		return false;
	} else if (checkRadio('question6') == false) {
		alert("You have not filled in question 6");
		return false;
	} else if (checkRadio('question7') == false) {
		alert("You have not filled in question 7");
		return false;
	} else if (checkRadio('question8') == false) {
		alert("You have not filled in question 8");
		return false;
	} else if (checkRadio('question10') == false) {
		alert("You have not filled in question 10");
		return false;
	} else if (document.getElementById('question11').selectedIndex == 0) {
		alert("Please select a country");
		return false;
	} else {
		return true;
	}
}