myTbl=new Array("日","月","火","水","木","金","土");
myD=new Date();
myYear=myD.getYear()
myYear4=(myYear<2000)?myYear+1900:myYear;
myMonth=myD.getMonth()+1;
myDate=myD.getDate();
myDay=myD.getDay();
myMess1=myYear4+"年"+myMonth+"月"+myDate+"日";
myMess2="("+myTbl[myDay]+")";
myMess=myMess1+" "+myMess2;
document.write( myMess );