var ref = document.referrer; ref = ref.replace(/\?/, '%3F'); var xcounter = new Image(); xcounter.src = "http://v3.xcounter.de/img/1393/style-hidden/key-5ccff9f7c8aea824a2f2770a3cda0fb2/width-"+screen.width+"/height-"+screen.height+"/referrer-"+ref+"/ref-end";