var how_many_ads = 4;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
 if (ad==1) {
txt="";
url="http://www.qksrv.net/click-539689-10357601";
alt="TeamStore";
banner="http://www.qksrv.net/image-539689-10357601";
width="125";
height="125";
}
if (ad==2) {
txt="";
url="http://hop.clickbank.net/?learn8/jamima";
alt="WinSwim";
banner="http://www.triathlon-directory.com/images/winswim.jpg";
width="125";
height="125";
}
if (ad==3) {
txt="";
url="http://www.qksrv.net/click-539689-10357601";
alt="TeamStore";
banner="http://www.qksrv.net/image-539689-10357601";
width="125";
height="125";
}
if (ad==4) {
txt="";
url="http://hop.clickbank.net/?learn8/jamima";
alt="WinSwim";
banner="http://www.triathlon-directory.com/images/winswim.jpg";
width="125";
height="125";
}
document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_blank\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
//document.write('<small>' + txt + '</small>');
document.write('</a></center>');