var NumberOfAds = 5;
var now = new Date()
var sec = now.getSeconds()
var AdNumber = sec % NumberOfAds;
AdNumber +=1;

if (AdNumber==1)

{

 url="javascript:nothing()" onClick="popup('search2.htm', 500, 400)";
 Graphic="images/banners/125x125/searchbuzz.gif";
 width = "125"
 height = "125"

}

if (AdNumber==2)

{

 url="99preaa.htm";
 Graphic="images/banners/120x60/99allamericas.gif";
 width = "120"
 height = "60"

}

if (AdNumber==3)

{

 url="graphics.htm";
 Graphic="images/banners/120x60/graphics.gif";
 width = "120"
 height = "60"

}

if (AdNumber==4)

{

 url="advertise.htm";
 Graphic="images/banners/120x60/advertise.gif";
 width = "120"
 height = "60"

}

if (AdNumber==5)

{

 url="javascript:popup()";
 Graphic="images/banners/125x125/searchbuzz.gif";
 width = "125"
 height = "125"

}

document.write('<left>');
document.write('<a href=\"' + url + '\">');
document.write('<img src=\"' + Graphic + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('border=0><br>');
document.write('</a>');
document.write('</left>');