var how_many_ads = 2;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="Subscribe to our Newsletter";
url="http://www.lumec.com/downloads/newsletter_subscription.php";
alt="Subscribe to our Newsletter";
banner="/images/en/bannieres_2009-01-21_01.gif";
width="190";
height="56";
}
if (ad==2) {
txt="Create your own 3D luminaire now";
url="http://www.lumec.com/Lumec3Dv2/home/index_en.php";
alt="Create your own 3D luminaire now";
banner="/images/en/bannieres_2009-01-21_02.gif";
width="190";
height="95";
}
document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_top\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('</a>');
document.write('</center>');