// Random Image
// ランダムにバナーを表示する
function randomBanner() {
  img = new Array();
  img[0] = "banner/ouen_mifuyu_b.jpg";
  img[1] = "banner/ouen_mituki_b.jpg";
  img[2] = "banner/ouen_kana_b.jpg";
  img[3] = "banner/ouen_kadoya_b.jpg";
  img[4] = "banner/ouen_oonishi_b.jpg";
  img[5] = "banner/ouen_kouyama_b.jpg";
  img[6] = "banner/ouen_takamiya_b.jpg";
  img[7] = "banner/ouen_sakaki_b.jpg";
  img[8] = "banner/ouen_ryota_b.jpg";
  img[9] = "banner/ouen_sakamak_bi.jpg";
  img[10] = "banner/ouen_kazumi_b.jpg";
  img[11] = "banner/ouen_hanyo_b.jpg";
  n = Math.floor(Math.random()*img.length);
  document.write("<a href='http://cyberfan.jp/tsuioku/'><img src='"+img[n]+"' width='400' height='94' border='0' alt='追憶の向こう側　バナー' /></a>");
}