var how_many_ads = 4;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
url="http://www.5chicago.com/features/may2010/atfc.html";
alt="atfc interview";
banner="http://www.housemusicdaily.com/themes/campaigns-june2010/atfc-410.jpg";
width="410";
height="194";
}
if (ad==2) {
url="http://www.5chicago.com/features/may2010/richard-earnshaw.html";
alt="richard earnshaw interview";
banner="http://www.housemusicdaily.com/themes/campaigns-june2010/richard-earnshaw-410.jpg";
width="410";
height="194";
}
if (ad==3) {
url="http://www.5chicago.com/features/june2010/everything-classics.html";
alt="fred everything classic tracks";
banner="http://www.housemusicdaily.com/themes/campaigns-june2010/everything-classics-410.jpg";
width="410";
height="194";
}
if (ad==4) {
url="http://www.5chicago.com/features/may2010/jay-west.html";
alt="jay west interview";
banner="http://www.housemusicdaily.com/themes/campaigns-june2010/jay-west-410.jpg";
width="410";
height="194";
}

document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_top\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=\"0\"><br></a>');
document.write('</center>');