today=new Date();
year=today.getYear();
month=today.getMonth()+1;
day=today.getDate();
if (year < 2000) 
year += 1900;
today=new Date();
dayofweek=today.getDay();
Day=new Array(7);  
Day[0]="日"; Day[1]="一";Day[2]="二"; Day[3]="三";Day[4]="四"; Day[5]="五";Day[6]="六";
document.write("<span class=bai>"+year+"年"+month+"月"+day+"日"+" ");
document.write("星期"+Day[dayofweek]+"</span>");