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



if (ad==1) 
{ 
url="http://www.accessmba.com/mba-events/access-mba-tour/sofia-november-21/index.html" ; 
alt="Access MBA Tour in Sofia - November 21";
banner="img/268x60_Bulgaria.gif"; 
width="268"; 
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('</center>');