var imgMax  = 3; //セットする画像の枚数。
var imgRand = Math.floor(Math.random() * imgMax);
if(imgRand == 0)       document.write('<a href="http://click.linksynergy.com/fs-bin/click?id=OCglXJtDA34&offerid=130577.10005231&type=4&subid=0"><IMG alt="ニッセン" border="0" src="http://www.nissen.co.jp/other_site/banner/noltop_f.gif"></a><IMG border="0" width="1" height="1" src="http://ad.linksynergy.com/fs-bin/show?id=OCglXJtDA34&bids=130577.10005231&type=4&subid=0">');
if(imgRand == 1)       document.write('<a href="http://click.linksynergy.com/fs-bin/click?id=OCglXJtDA34&offerid=65033.10000237&type=4&subid=0"><IMG alt="オンキヨー公式ショッピングサイト e-onkyo" border="0" src="http://www.e-onkyo.com/LinkShare/images/banner/v20hdbb_300x250.jpg"></a><IMG border="0" width="1" height="1" src="http://ad.linksynergy.com/fs-bin/show?id=OCglXJtDA34&bids=65033.10000237&type=4&subid=0">');
if(imgRand == 2)       document.write('<a href="http://click.linksynergy.com/fs-bin/click?id=OCglXJtDA34&offerid=163487.10000215&type=4&subid=0"><IMG alt="DHCオンラインショップ【個人サイト様向け】" border="0" src="http://afiriate.dhc.co.jp/banner/product/idenshidiet/dhc500_idenshidiet.jpg"></a><IMG border="0" width="1" height="1" src="http://ad.linksynergy.com/fs-bin/show?id=OCglXJtDA34&bids=163487.10000215&type=4&subid=0">');
if(imgRand == 3)       document.write('');
if(imgRand == 4)       document.write('');