function extraForms(optionSelect,idname) {
	var radio = document.getElementsByName('paymenttype');
	for (var i = 0; i < radio.length; i++) {
		var currentRadio = idname+i.toString();
	    if (radio[i].checked) {
			document.getElementById(currentRadio).style.display = '';
		} else {
			document.getElementById(currentRadio).style.display = 'none';
		}
	}
}