var NumberOfAds = 2;
var now = new Date()
var sec = now.getSeconds()
var AdNumber = sec % NumberOfAds;
AdNumber +=1;

if (AdNumber==1)

{

 url="http://www.thisiscornwall.co.uk/";
 Graphic="http://www.bosvigo.com/banners/thisiscornwall.gif";
 width = "468"
 height = "60"
}

if (AdNumber==2)

{

 url="http://www.bosvigo.com/bosvigo-email.html";
 Graphic="http://www.bosvigo.com/banners/advertise.gif";
 width = "468"
 height = "60"

}



document.write('<center>');
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('</center>');