//configuration
//OAS_url = 'http://certads.reed-elsevier.com/RealMedia/ads/'; 
OAS_url = 'http://ads.reed-elsevier.com/RealMedia/ads/'; 
OAS_sitepage = window.location.hostname + window.location.pathname;
//OAS_sitepage = 'www.realmedia.com/index.html';
OAS_listpos = 'Bottom,Bottom1,Bottom2,Bottom3,x05,x06,x07,';

//change the list of positions according to your ad server configuration
OAS_query = '';
OAS_target = '_top';
//end of configuration
OAS_rn = '001234567890'; OAS_rns = '1234567890';
OAS_rn = new String (Math.random()); OAS_rns = OAS_rn.substring (2, 11);

function OAS_RICH(pos) {
document.write('<A HREF="' + OAS_url + 'click_nx.cgi/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" TARGET=' + OAS_target + '>');
document.write('<IMG SRC="' + OAS_url + 'adstream_nx.cgi/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" BORDER=0></A>');
}