var ad_count = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % ad_count;
ad +=1;
if (ad==1) {
url="http://www.ihen.org/";
alt="IHEN Button";
banner="http://www.ihen.org/images/linkback/IHENButton.0209.85x34.gif";
width="85";
height="34";
}
if (ad==2) {
url="http://www.ihen.org/";
alt="IHEN Promo";
banner="http://www.ihen.org/images/linkback/IHENPromo_80x100.gif";
width="80";
height="100";
}
if (ad==3) {
url="http://www.ihen.org/";
alt="IHEN Web Promo Again";
banner="http://www.ihen.org/images/linkback/IHEN_Promo_80x100.gif";
width="80";
height="100";
}
document.write('<center>');
document.write('<a href="' + url + '" target="_parent">');
document.write('<img src="' + banner + '" width='+ width + ' height=' + height + ' alt="' + alt + '" border=0><br>');
document.write('</center>');