<!--
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   img[1] = new Image();
   img[1].src = "img/top_main_image01.jpg";
   img[2] = new Image();
   img[2].src = "img/top_main_image02.jpg";
   img[3] = new Image();
   img[3].src = "img/top_main_image03.jpg";
   img[4] = new Image();
   img[4].src = "img/top_main_image04.jpg";
   img[0] = new Image();
   img[0].src = "img/top_main_image00.jpg";
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  function change_image(nam,num) {
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    document.images[nam].src = img[num].src;
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    }
//-->