af = new Array();
af[0] = '<a href="http://click.linksynergy.com/fs-bin/click?id=RMIDpNL720I&offerid=94348.10001088&type=4&subid=0"><IMG alt=" iTunes StoreiJapanj" border="0" src="http://images.apple.com/itunesaffiliates/JP/weekly/art3_468x60.jpg"></a><IMG border="0" width="1" height="1" src="http://ad.linksynergy.com/fs-bin/show?id=RMIDpNL720I&bids=94348.10001088&type=4&subid=0">';
af[1] = '<a href="http://click.linksynergy.com/fs-bin/click?id=RMIDpNL720I&offerid=94348.10001100&type=4&subid=0"><IMG alt=" iTunes StoreiJapanj" border="0" src="http://images.apple.com/itunesaffiliates/JP/weekly/art4_468x60.jpg"></a><IMG border="0" width="1" height="1" src="http://ad.linksynergy.com/fs-bin/show?id=RMIDpNL720I&bids=94348.10001100&type=4&subid=0">';

num = Math.floor(Math.random()*af.length);
document.write(af[num]);