// マウスを上に置くと画像を入れ替える(画像を先に読み込む)
// 入れ替える画像
img = new Array("img_1/top_menu_shaolin.jpg","img_1/top_menu_shaolin2.jpg","img_1/top_menu_luxiang.jpg","img_1/top_menu_luxiang2.jpg","img_1/top_menu_huodong.jpg","img_1/top_menu_huodong2.jpg","img_1/top_menu_liuyan.jpg","img_1/top_menu_liuyan2.jpg","img_1/top_menu_shouye.jpg","img_1/top_menu_shouye2.jpg");
bfImg = new Array();
for(i=0; i<img.length; i++) {
  bfImg[i] = new Image();
  bfImg[i].src = img[i];
}