img = new Array();
img[0] = "http://japan-web-magazine.com/image2/20081201.jpg";
img[1] = "http://japan-web-magazine.com/image2/20081202.jpg";
img[2] = "http://japan-web-magazine.com/image2/20081203.jpg";
img[3] = "http://japan-web-magazine.com/image2/20081204.jpg";
img[4] = "http://japan-web-magazine.com/image2/20081205.jpg";
img[5] = "http://japan-web-magazine.com/image2/top05.jpg";
img[6] = "http://japan-web-magazine.com/image2/top06.jpg";
img[7] = "http://japan-web-magazine.com/image2/top07.jpg";
img[8] = "http://japan-web-magazine.com/image2/top08.jpg";
img[9] = "http://japan-web-magazine.com/image2/top09.jpg";
img[10] = "http://japan-web-magazine.com/image2/top10.jpg";
img[11] = "http://japan-web-magazine.com/image2/top11.jpg";
img[12] = "http://japan-web-magazine.com/image2/top12.jpg";
img[13] = "http://japan-web-magazine.com/image2/top13.jpg";
img[14] = "http://japan-web-magazine.com/image2/top14.jpg";
n = Math.floor(Math.random()*img.length);
document.write("<img src='"+img[n]+"' border='0'>");