function linkRadio() { var getCheckedValue = function(elements) { for (var i = 0; i < elements.length; i++) { if (elements[i].checked) { return elements[i].value; } } return ""; } jp.co.takarakujinet.AjaxUtil.updateElementFrom( "contents2", "/ajax/numbers3/dailyFrequencyResult.do", {"week" : getCheckedValue(document.numbers3DailyFrequencyForm.week)}, "POST"); }