var how_many_ads = 6 
var now = new Date() 
var sec = now.getSeconds() 
var ad = sec % how_many_ads; 
ad +=1; 
 
if (ad==1){ 
url="http://pharma.focusreports.net/"; 
alt="pharma focusreports";  
banner="/ads/logo pharma FR.jpg"; 
width="468"; 
height="82"; 
} 

if (ad==2) {   
url="http://energy.focusreports.net/"; 
alt="energy focusreports";  
banner="/ads/logo energy FR.jpg";  
width="468"; 
height="86"; 
} 
  
if (ad==3) { 
url="http://www.europeavia.com/"; 
alt="EuropeAvia Bann Finale"; 
banner="/ads/logo europe avia.jpg"; 
width="468"; 
height="180"; 
}

if (ad==4) { 
url="http://www.greentechfocus.com/"; 
alt="GreenTechBANend"; 
banner="/ads/logo green tech.jpg"; 
width="468"; 
height="121"; 
}  
  
if (ad==5) { 
url="http://www.russiaenergy.com/"; 
alt="banEnergyFinal";  
banner="/ads/logo russia energy.jpg"; 
width="468"; 
height="121"; 
}  

if (ad==6) { 
url="http://www.russianavia.com/"; 
alt="russianavia Bann Finale"; 
banner="/ads/logo6.jpg"; 
width="468"; 
height="160"; 
}    
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>');