<!-- Begin
var how_many_ads = 3
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads; ad +=1;

if (ad==1)
{
target="_blank";
url="http://www.facebook.com/kaldata" ;
alt="Харесай ни във Facebook";
banner="http://www.kaldata.com/images/export/buttonds/kaldata-new-hp-1-204x90.jpg" ;
width="204" ;
height="90" ;
}

if (ad==2)
{
target="_blank";
url="http://www.facebook.com/kaldata" ;
alt="Харесай ни във Facebook";
banner="http://www.kaldata.com/images/export/buttonds/kaldata-new-hp-3-204x90.jpg" ;
width="204";
height="90";
}

if (ad==3)
{
target="_blank";
url="http://twitter.com/kaldata" ;
alt="Следвайте ни във Twitter";
banner="http://www.kaldata.com/images/export/buttonds/kaldata-twitter-hp-204x90.jpg" ;
width="204";
height="90";
}


document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"' + target + '\">'); document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0 /></a>');
document.write('</center>');

<!-- End 
