//パスワードチェック
<!--
myImageCnt = 12;                           // 画像の数
myImage = new Array(                      // 画像ファイル名の設定
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg"),             // 2
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg"),             // 2
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg"),             // 2
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg"),             // 2
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg"),             // 2
 new Array("http://www.118930.com/fs/r813/25/131", "images/haru_topbanner111007.jpg"),                            // 1
 new Array("http://www.118930.com/fs/r813/25/98", "images/noni_topbanner110301.jpg")             // 2
);

myRnd = Math.floor(Math.random()*myImageCnt);  
document.write("<a href='" + myImage[myRnd][0] + "' target='blank'><img src='" + myImage[myRnd][1]+ "' border='0' ></a>");
// -->