img = new Array("img/1st.gif","img/1st_om.gif","img/2nd.gif","img/2nd_om.gif","img/3rd.gif","img/3rd_om.gif","img/4th.gif","img/4th_om.gif","img/news.gif","img/news_om.gif","img/live.gif","img/live_om.gif","img/mart.gif","img/mart_om.gif","img/link.gif","img/link_om.gif","img/ehagaki.gif","img/ehagaki_om.gif");
bfImg = new Array();
for(i=0; i<img.length; i++) {
  bfImg[i] = new Image();
  bfImg[i].src = img[i];
}