function writeDateInfo()
{
 var day="";
 var month="";
 var ampm="";
 var ampmhour="";
 var myweekday="";
 var year="";
 mydate=new Date();
 myweekday=mydate.getDay();
 mymonth=mydate.getMonth()+1;
 myday= mydate.getDate();
 myyear= mydate.getYear();
 year=(myyear > 200) ? myyear : 1900 + myyear;
 if(myweekday == 0)
 weekday=" 星期日";
 else if(myweekday == 1)
 weekday=" 星期一";
 else if(myweekday == 2)
 weekday=" 星期二";
 else if(myweekday == 3)
 weekday=" 星期三";
 else if(myweekday == 4)
 weekday=" 星期四";
 else if(myweekday == 5)
 weekday=" 星期五";
 else if(myweekday == 6)
 weekday=" 星期六";
 document.write(year+"年"+mymonth+"月"+myday+"日"+weekday);
}