//日期格式：2006年12月21日 星期四
    var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
    var now = new Date();
    document.write(now.getYear() + "年" + (now.getMonth()+1) + "月" + now.getDate() + "日 " + dayNames[now.getDay()]);