var how_many_ads = 4; 
var now = new Date() 
var sec = now.getSeconds() 
var ad = sec % how_many_ads; 
ad +=1;
if (ad==1) { 
url="http://www.metalblade.com";
alt="Metal Blade Records"; 
banner="images/banners/links/mb468x60.gif"; 
width="468"; 
height="60"; 
}
if (ad==2) { 
url="http://www.nuclearblastusa.com";
alt="Nuclear Blast America"; 
banner="images/banners/links/nba468x60.gif"; 
width="468"; 
height="60"; 
}
if (ad==3) { 
url="http://www.metalnetradio.com";
alt="MetalNetRadio.com"; 
banner="images/banners/links/mnr468x60.jpg"; 
width="468"; 
height="60"; 
}
if (ad==4) { 
url="http://www.darksoul7.com";
alt="Darksoul7.com"; 
banner="images/banners/links/ds7468x60.jpg"; 
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('</center>');