function date() {
	dd = new Date(document.lastModified);
	yy = dd.getYear();
	mm = dd.getMonth() + 1;
	dd = dd.getDate();
	if (yy < 2000) { yy += 1900; }
	document.write("更新日: " + yy + "年" + mm + "月" + dd + "日");
}

function Watch() {
	now = new Date();
	year = now.getYear();
	month = now.getMonth() + 1;
	day = now.getDate();
	if (year < 2000) { year += 1900; }
	document.write(year + "年" + month + "月" + day + "日");
}