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/numbers4/dailyFrequencyResult.do",
		{"week" : getCheckedValue(document.numbers4DailyFrequencyForm.week)},
		"POST");
}