var dtToday = new Date;
var Yr;
var Mn;
var Dt;
var Dy = new Array("日","月","火","水","木","金","土");

Yr = dtToday.getFullYear();
Mn = dtToday.getMonth() + 1;
Dt = dtToday.getDate();

document.write("<input name='Year' size='7' value='"+Yr+"'>年　");
document.write("<input name='Month' size='4' value='"+Mn+"'>月　");
document.write("<input name='Date' size='4' value='"+Dt+"'>日　");
document.write("<input name='Day' size='4' value='"+Dy[dtToday.getDay()]+"'>曜日　");