function replaceText(text){
 while(text.lastIndexOf("&") > 0){
 text = text.replace('&', '[i-Stats]');
 }
 return text;
}
var web_referrer = replaceText(document.referrer);
<!--
istat = new Image(1,1);
 istat.src = "http://www.intercorp.hu/stat/counter.php?sw="+screen.width+"&sc="+screen.colorDepth+"&referer="+web_referrer+"&page="+location.href;
