var how_many_ads = 8;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
url="http://www.5chicago.com/calendar/090610-green-dolphin.html";
alt="boom boom room chicago";
banner="http://www.5chicago.com/themes/campaigns-sept2010/boomboomroom-300.jpg";
width="300";
height="300";
}
if (ad==2) {
url="http://music.flapjackrecords.com/album/slap-n-tickle-ep";
alt="flapjack records slap and tickle ep";
banner="http://www.5chicago.com/themes/campaigns-august2010/flapjack.jpg";
width="300";
height="300";
}
if (ad==3) {
url="http://www.jessicamarie.pureromance.com/";
alt="jessica marie pure romance";
banner="http://www.5chicago.com/themes/campaigns-august2010/pure-romance.jpg";
width="300";
height="300";
}
if (ad==4) {
url="http://www.5chicago.com/calendar/091310-5-magazine-anniversary.html";
alt="5 magazine five year anniversary";
banner="http://www.5chicago.com/themes/campaigns-sept2010/anniversary-300.jpg";
width="300";
height="300";
}
if (ad==5) {
url="http://www.fusicology.com/";
alt="fusicology";
banner="http://www.5chicago.com/themes/campaigns-sept2010/fusicology-300x300.jpg";
width="300";
height="300";
}
if (ad==6) {
url="http://www.5chicago.com/calendar/093010-bettys.html";
alt="czarina's birthday";
banner="http://www.5chicago.com/themes/campaigns-sept2010/czarinas-birthday-300.jpg";
width="300";
height="300";
}
if (ad==7) {
url="http://www.spybarchicago.com/";
alt="spy bar chicago chicago";
banner="http://www.5chicago.com/themes/campaigns-sept2010/spybar-300.jpg";
width="300";
height="300";
}
if (ad==8) {
url="http://www.5chicago.com/calendar/090910-bettys.html";
alt="urbans house at bettys";
banner="http://www.5chicago.com/themes/campaigns-sept2010/urbanshouse-300.jpg";
width="300";
height="300";
}

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