var random = Math.round(Math.random() * 100000000);
if (!pageNum) var pageNum = Math.round(Math.random() * 100000000);

document.write('<SCR');
document.write('IPT SRC="http://ads.accelerator-media.com/jserver/acc_random=' + random + '/SITE=WWW.USEARCH.CO.UK/AAMSZ=BANNER/AREA=SHOPPING/pageid=' + pageNum + '">');
document.write('</SCR');
document.write('IPT>');