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.mvframes.com";
image="/images/120images1.gif";
width="118";
height="120";
}

if (ad==2) {
url="http://www.mvframes.com";
image="/images/120images2.gif";
width="115";
height="120";
}

if (ad==3) {

url="http://www.mvframes.com";
image="/images/smallchristmas.gif";
width="115";
height="120";
}

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