// JavaScript Document

function newImage(year,month,day){
  update = new Date(year,month-1,day);
  now = new Date();
  period = (now-update)/(1000*60*60*24);
  if(period <=90){
    document.write("<IMG SRC='http://www.kenwood.co.jp/j/images/new.gif'>");
  }
 }