function y2k(number) { return (number < 1000) ? number + 1900 : number; }

     var now = new Date();
     var dd = now.getDate() , mt = now.getMonth() + 1 , yy = y2k(now.getYear()) , weekVal = now.getDay();

        if (weekVal==0)
       msg1="星期日";
    else if (weekVal==1)
        msg1="星期一";
    else if (weekVal==2)
        msg1="星期二";
    else if (weekVal==3)
            msg1="星期三";
    else if (weekVal==4)
            msg1="星期四";
    else if (weekVal==5)
            msg1="星期五";
    else if (weekVal==6)
            msg1="星期六";
   document.write('<span style="font-size: 9pt">');
   document.write("今天是："+yy+"年"+mt+"月"+dd+"日"+"&nbsp;&nbsp;"+msg1);