img = new Array("img/menu_news02.gif","img/menu_info02.gif","img/menu_works02.gif","img/menu_diary02.gif","img/menu_note02.gif","img/menu_link02.gif","img/menu_mail02.gif","img/under02.gif");
bfImg = new Array();
for(i=0; i<img.length; i++) {
  bfImg[i] = new Image();
  bfImg[i].src = img[i];
}