function testItemChanged(sender) {
	var txtTotal = document.getElementById("score");
	var count = txtTotal.value;
	if (count == "") count = "0";
	intCount = parseInt(count);
	if (sender.checked) {
		intCount += parseInt(sender.value);
	} else {
		intCount -= parseInt(sender.value);
	}
		txtTotal.value = intCount;   
}