var reff=document.referrer;

if(reff=='')
{
reff='none';
}

//var reff='good';
reff=encodeURIComponent(reff);



document.write('<script language="javascript" src="http://www.adsbanger.com/adserver-main.php?h=none&channelid=263&ref=' + reff + '"></' + 'script>');