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/080910-green-dolphin.html";
alt="boom boom room chicago";
banner="http://www.5chicago.com/themes/campaigns-august2010/boomboomroom.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/080610-martini-ranch.html";
alt="rebranded at tini martini";
banner="http://www.5chicago.com/themes/campaigns-august2010/rebranded.jpg";
width="300";
height="300";
}
if (ad==5) {
url="http://www.5chicago.com/calendar/081810-smartbar.html";
alt="5 magazine presents the 90s party at smartbar";
banner="http://www.5chicago.com/themes/campaigns-august2010/smartbar.jpg";
width="300";
height="300";
}
if (ad==6) {
url="http://www.djmix.net/djtrevorricci/mixes";
alt="trevor ricci";
banner="http://www.5chicago.com/themes/campaigns-august2010/trevor.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-august2010/spybar.jpg";
width="300";
height="300";
}
if (ad==8) {
url="http://www.5chicago.com/calendar/081210-bettys.html";
alt="urbans house at bettys";
banner="http://www.5chicago.com/themes/campaigns-august2010/urbans-house.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>');