function checkInput(){
	var m = document.quizForm.elements.length;
	var m_2 = m/2;
	var stop = 0;
	for (i=0;i<m_2;i++) {
		var n = 2*i;
		var q = i + 1;
		if (!document.quizForm.elements[n].checked && !document.quizForm.elements[n+1].checked){
			alert('You need to make a selection for Question Number ' + q +'.');
			stop = 1;
		}
	}
	if (stop != 1){
		document.quizForm.submit();
	}
}