function  visitor()
{
//define variable
 var Jsay;
 var Jdayr;
 var  Jtoday= new Date();
 var  Jyear= Jtoday.getYear(); Jmonth=Jtoday.getMonth();
         Jday= Jtoday.getDay();  Jdate=Jtoday.getDate();
         Jhrs= Jtoday.getHours(); Jmin=Jtoday.getMinutes();
          Jsec=Jtoday.getSeconds();
document.write("<div class=date>"+Jyear+"年"+(Jmonth+1)+"月"+Jdate+"日" );
if (Jday==1)
 document.write(" 星期一</div>");
else if (Jday==2) 
 document.write(" 星期二</div>");
else if (Jday==3) 
 document.write(" 星期三</div>");
else if (Jday==4) 
 document.write(" 星期四</div>");
else if (Jday==5) 
 document.write(" 星期五</div>");
else if (Jday==6) 
 document.write(" 星期六</div>");
else
 document.write(" 星期日</div>");
}
visitor();