function ShowDate() {
var weeks = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');

var now = new Date();

var year = now.getYear();
var month = now.getMonth() + 1;
var day = now.getDate();
var week = weeks[ now.getDay() ];
var hour = now.getHours();
var min = now.getMinutes();
if(year < 2000) { year += 1900; }
if(month < 10) { month = "0" + month; }
if(day < 10) { day = "0" + day; }
if(hour < 10) { hour = "0" + hour; }
if(min < 10) { min = "0" + min; }

document.write(year + '.' + month + '.' + day + '.&nbsp;' + week + '&nbsp;');
document.write(hour + ':' + min);
// 表示終了
}