function ShowDate()
{
    var weekday = new Array(7) ;
    weekday[0] = "星期日";
    weekday[1] = "星期一";
    weekday[2] = "星期二";
    weekday[3] = "星期三";
    weekday[4] = "星期四";
    weekday[5] = "星期五";
    weekday[6] = "星期六";

    today = new Date();
    document.write(today.getMonth()+1,"月",today.getDate(),"日  " , weekday[today.getDay()]);
}