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jumpURL[0] = "/base2011/dvd/";
imgURL[0]  = "/banner/base2011_dvd.jpg";
imgALT[0]  = "第93回全国高等学校野球選手権　愛知大会2011　DVD予約受付中！！";

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//imgURL[0]  = "/nadeshiko_banners/gundam30th_dvd_728_90_2.jpg";
//imgALT[0]  = "「機動戦士ガンダム」生誕30周年イベントDVD-BOX発売決定！";

//jumpURL[1] = "/arukotonaikoto/";
//imgURL[1]  = "/banner/arukotonaikoto_regular(728_90).jpg";
//imgALT[1]  = "キングコングのあるコトないコト";

n = Math.floor(Math.random()*jumpURL.length);
document.write("<a href='"+jumpURL[n]+"'>");
document.write("<img src='"+imgURL[n]+"' border='0' width='728' height='90' alt='"+imgALT[n]+"' />");
document.write("</a>");