function trialalert() {
	alert("未来予想ポータルサイト(MiraiZ.bz) グループウェアMirai'z30日無料お試し画面へ移動します。");
	location.href="https://www.miraiz.bz/Miraiz/MiraizEntry/";
}
function checked_value(obj) {
	var ret;
	if (obj.length) {
		for (var i = 0; i < obj.length; i++) {
			if (obj[i].checked) {
				ret = obj[i].value;
				break;
			}
		}
	} else {
		if (obj.checked) {
			ret = obj.value;
		}
	}
	return ret;
}
function number_format(num) {
	num += '';
	while (num.indexOf(',') > -1) {
		num = num.replace(',', '');
	}
	if (num.indexOf('-') == 0) {
		var sign = '-';
		num = num.replace('-', '');
	} else {
		var sign = '';
	}
	var ret = '';
	var numlen = num.length;
	while (numlen > 3) {
		numlen -= 3;
		ret = ',' + num.substr(numlen, 3) + ret;
		num = num.substr(0, numlen);
	}
	return sign + num + ret;
}