function radio_button_checker(form) {
	var	B01_checked = false,
		B02_checked = false,
		B03_checked = false,
		A01_checked = false,
		A02_checked = false,
		A03_checked = false,
		A04_checked = false,
		A05_checked = false,
		A06_checked = false,
		A07_checked = false,
		A08_checked = false,
		A09_checked = false,
		A10_checked = false;
	for (index = 0, end = form.B01.length; index < end; index++) {
		if (form.B01[index].checked)
			B01_checked = true;
	}
	for (index = 0, end = form.B02.length; index < end; index++) {
		if (form.B02[index].checked)
			B02_checked = true;
	}
	for (index = 0, end = form.B03.length; index < end; index++) {
		if (form.B03[index].checked)
			B03_checked = true;
	}
	for (index = 0, end = form.A01.length; index < end; index++) {
		if (form.A01[index].checked)
			A01_checked = true;
	}
	for (index = 0, end = form.A02.length; index < end; index++) {
		if (form.A02[index].checked)
			A02_checked = true;
	}
	for (index = 0, end = form.A03.length; index < end; index++) {
		if (form.A03[index].checked)
			A03_checked = true;
	}
	for (index = 0, end = form.A04.length; index < end; index++) {
		if (form.A04[index].checked)
			A04_checked = true;
	}
	for (index = 0, end = form.A05.length; index < end; index++) {
		if (form.A05[index].checked)
			A05_checked = true;
	}
	for (index = 0, end = form.A06.length; index < end; index++) {
		if (form.A06[index].checked)
			A06_checked = true;
	}
	for (index = 0, end = form.A07.length; index < end; index++) {
		if (form.A07[index].checked)
			A07_checked = true;
	}
	for (index = 0, end = form.A08.length; index < end; index++) {
		if (form.A08[index].checked)
			A08_checked = true;
	}
	for (index = 0, end = form.A09.length; index < end; index++) {
		if (form.A09[index].checked)
			A09_checked = true;
	}
	for (index = 0, end = form.A10.length; index < end; index++) {
		if (form.A10[index].checked)
			A10_checked = true;
	}
	if (!B01_checked || !B02_checked || !B03_checked || !A01_checked || !A02_checked || !A03_checked || !A04_checked || !A05_checked || !A06_checked || !A07_checked || !A08_checked || !A09_checked || !A10_checked) {
		alert("Please complete all the questions before submitting your quiz.");
		return false;
	} else return true;
}