<!-- hide script from old browsers
var how_many_ads =6;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {banner="http://www.motorcityrocks.com/banner/1.gif"; width="471"; height="152";}
if (ad==2) {banner="http://www.motorcityrocks.com/banner/2.gif"; width="471"; height="152";}
if (ad==3) {banner="http://www.motorcityrocks.com/banner/3.gif"; width="471"; height="152";}
if (ad==4) {banner="http://www.motorcityrocks.com/banner/4.gif"; width="471"; height="152";}
if (ad==5) {banner="http://www.motorcityrocks.com/banner/5.gif"; width="471"; height="152";}
if (ad==6) {banner="http://www.motorcityrocks.com/banner/6.gif"; width="471"; height="152";}
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ')
// end hiding script from old browsers -->
