//Shows and hides the appropriate tables when options are selected.

numfields = 2;

function showfield(fieldnum) {
	var field;
	for (field = 1; field <= numfields; field++) {
		if (!document.getElementById("payment" + field)) {
			break;
		}

		if (field != fieldnum) {
			document.getElementById("payment" + field).style.display = "none";
			document.getElementById("payment" + field).style.visibility = "hidden";
		}
		else {
			document.getElementById("payment" + field).style.display = "block";
			document.getElementById("payment" + field).style.visibility = "visible";
		}
	}
}

var initfield = 1;
for (field = 1; field <= numfields; field++) {
	if (document.getElementsByName("paymentmethod")[field-1].checked !='') {
		initfield = field;
		break;
	}
}

showfield(initfield);