var how_many_ads = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
url="http://www.black-vixen.com/";
alt="Black Vixen";
banner="http://www.black-vixen.com/blackbannerkaris.gif";
width="468";
height="60";
}
if (ad==2) {
url="http://hits.epochstats.com/hit.php?s=631&p=2&w=104320&c=0&u=http://www.killergram.com/video.asp?showcase=brown sugar";
alt="Brown Sugar Rush";
banner="bsr.jpg";
width="455";
height="77";
}
if (ad==3) {
url="http://www.black-vixen.com/";
alt="Black Vixen";
banner="http://www.black-vixen.com/blackbannersheba.gif";
width="468";
height="60";
}

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 + '\"><br>');
document.write('</center>');