if (document.images) {
   img0 = new Image(); img0.src = "../g/01.gif";
   img1 = new Image(); img1.src = "../g/012.gif";
   img2 = new Image(); img2.src = "../g/022.gif";
   img3 = new Image(); img3.src = "../g/032.gif";
   img4 = new Image(); img4.src = "../g/042.gif";
   img5 = new Image(); img5.src = "../g/052.gif";
   img6 = new Image(); img6.src = "../g/062.gif";
}
function setImage(img, image) {
   if (img) {
      img.src = image;
   }
}