var how_many_ads = 7;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;

if (ad==1) {
txt=""; 
url="http://www.mobinil.com/community/mobinil_life/";
alt="";
banner="banner/mobinile.gif";
width="468";
height="60";
}
if (ad==2) {
txt=""; 
url="http://www.arabia.msn.com/Entertainment/default.asp";
alt="";
banner="banner/540.gif";
width="468";
height="60";
}
if (ad==3) {
txt=""; 
url="http://www.arabzone.tk";
alt="";
banner="banner/arabzone.gif" 
width="468";
height="60";
}
if (ad==4) {
txt=""; 
url="http://www.arabia.msn.com/Careers/default.asp";
alt="";
banner="banner/msn5.gif" 
width="468";
height="60";
}
if (ad==5) {
txt=""; 
url="http://www.arabia.msn.com/Ringsandlogos/default.asp";
alt="";
banner="banner/33.gif" 
width="468";
height="60";
}
if (ad==6) {
txt=""; 
url="http://www.arabzone.tk";
alt="";
banner="banner/arabzone2.gif";
width="468";
height="60";
}
if (ad==7) {
txt=""; 
url="http://www.57357.com";
alt="";
banner="banner/57357.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>');