function coursecalc() {
	var amount = document.getElementById("totaldollar");
	var inputList = document.getElementsByTagName("input");
	var total = new Number(0);
	for (var i=0; i<inputList.length; i++) {
		if (inputList[i].type == "checkbox" && inputList[i].name != "eula") {
			if (inputList[i].checked) {
				total += new Number(inputList[i].value);
			}
		}
	}
	amount.lastChild.value = total;
}