Not here. That feature requires cookies turned on in the browser. Perhaps you have yours turned off.
Also the meaning of 'session' is once per browser session, which means that if you close the browser and open it again, it's a new browser session.
So my guess is either you have cookies turned off, or you've closed the browser before trying again.
Ah, but there does appear to be a problem in IE. To fix that in at least some versions of IE (9 and later), get rid of this:
That shouldn't be though. I will test the original script in those browsers to see if its cookie works in those browsers.
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7">