img = new Array("images/topimg_on.gif","images/topimg_in_on.gif","images/yuryou_on.gif","images/bana_bc_b.gif","images/bana_web_b.gif","images/bana_hdc_b.gif","images/bana_nhk_b.gif","../../images/btn_more_on.gif","../../images/sr_guide_on.gif","images/btn_showroomguide_on.gif","images/btn_process_on.gif","../../images/tenji_guide_on.gif","../../images/hdc_on.gif","../../images/ligestage_on.gif","../../images/plan_on.gif","../../images/sekougenba_on.gif","../../images/jiban_on.gif");
bfImg = new Array();
for(i=0; i<img.length; i++) {
  bfImg[i] = new Image();
  bfImg[i].src = img[i];
}