var ref = escape(parent.window.document.referrer);  
var tag = 'http://www.communitywaste.org.uk/cgi-bin/links/sitestats.cgi?Title=' + Title + '&Referer=' + ref + '&GroupType=' + GroupType + '&GroupID=' + GroupID;
document.write('<img border="0" src="'+ tag +'" width="1" height="1" alt=""/>');