topbannerList = new Array()
var msg;

// ケイコとマナブ
msg='<iframe frameborder="0" allowtransparency="true" height="200" width="300" marginheight="0" scrolling="no"' +
'src="http://ad.jp.ap.valuecommerce.com/servlet/htmlbanner?sid=2533959&pid=879114741" marginwidth="0">' +
'<script language="javascript" src="http://ad.jp.ap.valuecommerce.com/servlet/jsbanner?sid=2533959&pid=879114741"></script>' +
'<noscript><a href="http://ck.jp.ap.valuecommerce.com/servlet/referral?sid=2533959&pid=879114741" target="_blank" >' +
'<img src="http://ad.jp.ap.valuecommerce.com/servlet/gifbanner?sid=2533959&pid=879114741" height="200" width="300" border="0">' +
'</a></noscript></iframe>';
topbannerList.push(msg);

var nmax = 1;
nmsg = Math.floor(Math.random() * nmax);
document.write(topbannerList[nmsg]);