var how_many_ads = 4;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="";
url="http://www.shop22.ir/products/2/7/49.html";
alt="گالري مستند هاي ايراني";
banner="http://www.shop22.ir/uploads/14%20Mostanad.gif";
width="468";
height="60";
}
if (ad==2) {
txt="";
url="http://www.shop22.ir/products/1/5/45.html";
alt="جومونگ 3 - نصخه اصلي";
banner="http://shop22.ir/uploads/jumung3.gif";
width="468";
height="60";
}
if (ad==3) {
txt="";
url="http://www.shop22.ir/products/1/5/48.html";
alt="جومونگ 4 - نصخه اصلي";
banner="http://shop22.ir/uploads/jumung4.gif";
width="468";
height="60";
}
if (ad==4) {
txt="";
url="http://www.shop22.ir/products/1/5/50.html";
alt="سريال مهيج لابيست ";
banner="http://www.clickiran.ir/uploads/ads/429.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 + '" border=0><br>');
document.write('<small>' + txt + '</small></a>');
document.write('</center>');