var ad_cnt1 = 3;
var now1 = new Date()
var sec1 = now1.getSeconds()
var ad1 = sec1 % ad_cnt1;
ad1 +=1;
if (ad1==1) {
url1="http://www.siteofrequirement.com/podcast/";
banner1="http://img294.imageshack.us/img294/6085/podcast934signfq4.jpg";
width1="150";
height1="85";
alt1="Podcast";
}
if (ad1==2) {
url1="https://www.siteofrequirement.com/harrymail.php";
banner1="http://img341.imageshack.us/img341/7606/harrymailpu7.jpg";
width1="143";
height1="59";
alt1="Free Harry Potter Email";
}
if (ad1==3) {
url1="http://www.cafepress.com/requirement/";
banner1="http://img341.imageshack.us/img341/7774/shopnc1.jpg";
width1="150";
height1="80";
alt1="Requirement Shop";
}
document.write('<center><a href="' + url1 + '">');
document.write('<img src="' + banner1 + '" width=' + width1 + ' height=' + height1 + ' border=0 alt="' + alt1 + '"></a>');
document.write('</center>');