var iadA = new Array(
'<a href=http://www.leaderhotel.com target=_blank><img src=/site_media/images/ad/190x79_leader9y.gif border=0 style="border:0px #000000 solid"></a>',
'<a href=http://www.shunyitravel.com.tw target=_blank><img src=/site_media/images/ad/190x79_sysnow.gif border=0 style="border:0px #000000 solid"></a>',
'<a href=http://www.settour.com.tw/eWeb/Other/europe_0118-2007/index.asp target=_blank><img src=/site_media/images/ad/190x79_1+1blog.gif border=0 style="border:0px #000000 solid"></a>'
);
index = Math.floor(Math.random() * iadA.length)
document.write(iadA[index])