function newImage(year,month,day){
 update = new Date(year,month-1,day);
 now = new Date();
 period = (now-update)/(1000*60*60*24);
 if(period <=10){
  document.write("<img src='http://www.arukikata.com/img/newred_ani.gif' border=0 class='imgnew'>");
}
}