function f(s) {
  s = new String(encodeURI(s));
  s = s.replace(/&/g,'%26');
  return s;
}
var referer=f('');


var ncn = f(navigator.appCodeName);
var nan = f(navigator.appName); 
var nav = f(navigator.appVersion);
var nl = f(navigator.language);
var npf = f(navigator.platform);
var vendor = f(navigator.vendor);
var vendorsub = f(navigator.vendorSub);
var sw = f(screen.width);
var sh = f(screen.height);
var sd = f(screen.pixelDepth);
var cref = f(document.referrer);


var server='http://www.referer.se';
var urlstring='/report_xml.php?id='+referer_se_site+'&ncn='+ncn+'&nan='+nan+'&nav='+nav+'&nl='+nl+'&npf='+npf+'&sw='+sw+'&sh='+sh+'&sd='+sd+'&referer='+referer+'&cref='+cref+'&vendor='+vendor+'&vendorsub='+vendorsub;

var ref_img = document.createElement('img');
ref_img.setAttribute('src',server+urlstring);