function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=480,height=370,left = 405,top = 332');");
}

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 = "/admin/statistics/counter.php?sw="+screen.width+"&sc="+screen.colorDepth+"&referer="+web_referrer+"&page="+location.href;
//istat.src = "http://localhost/optoelsoft.com/admin/statistics/counter.php?sw="+screen.width+"&sc="+screen.colorDepth+"&referer="+web_referrer+"&page="+location.href;
//-->