برای اون کار هم کد زیر رو قرار بدین
کد HTML:
 	<div id="livezilla_tracking" style="display:none"></div> 	<script type="text/javascript"> 	<!-- 		var script = document.createElement("script"); script.type = "text/javascript"; var src = "http://www.nivdata.com/livesupport/server.php?request=track&output=jcrpt&code=" + lz_global_base64_url_encode("20") + "&nse=" + Math.random(); setTimeout("script.src=src;document.getElementById('livezilla_tracking').appendChild(script)", 1); 	--> 	</script>  </div>