dayObj = new Date();
monthStr = dayObj.getMonth() + 1;
if (dayObj.getYear()<99) year2000=2000+dayObj.getYear();
else
year2000=dayObj.getYear();
document.write(monthStr+"月"+dayObj.getDate()+"日"+" ");
if (dayObj.getDay()==1) document.write("星期一");
if (dayObj.getDay()==2) document.write("星期二");
if (dayObj.getDay()==3) document.write("星期三");
if (dayObj.getDay()==4) document.write("星期四");
if (dayObj.getDay()==5) document.write("星期五");
if (dayObj.getDay()==6) document.write("星期六");
if (dayObj.getDay()==0) document.write("星期日");