function topfrontpagebanner()
{
//3
var ranNum= Math.round(Math.random() * 3);
if (ranNum == 0){document.write('
'); } // comet
if (ranNum == 1){document.write(''); } // amazon
if (ranNum == 2){document.write(''); } // amazonvideogames
if (ranNum == 3){document.write('
'); } // Sainsbury
}