d = document;
function quoted(str) {
  return (str != null) ? '"' + str + '"' : '""';
}

ad_wd  = 300;
ad_ht  = 260;
ad_url = 'http://image.kget.jp/kgetweb2/bnr/search_300x260/index.html';
ad_noif_href = 'http://www2.kget.jp/';
ad_noif_img  = 'http://image.kget.jp/kgetweb2/bnr/search_300x260/img/alt.gif';

d.write('<iframe' +
        ' name="kget_ad"' +
        ' width=' + quoted(ad_wd) +
        ' height=' + quoted(ad_ht) +
        ' src=' + quoted(ad_url) +
        ' frameborder="0"' +
        ' marginwidth="0"' +
        ' marginheight="0"' +
        ' vspace="0"' +
        ' hspace="0"' +
        ' scrolling="no">');
d.write('<a href=' + quoted(ad_noif_href) +
        ' target="_blank"><img' +
        ' width=' + quoted(ad_wd) +
        ' height=' + quoted(ad_ht) +
        ' src=' + quoted(ad_noif_img) +
        ' border="0"></a>');
d.write('</iframe>');