Subscribed Thread Icon Not Appearing

[professorsabre]

Hi Guys,
can I get someone to please check if there's something wrong with my account because I don't see the subscribed threads icon anymore. When I open a thread that I'm subscribed to and enter the drop down thread tool the option is to subscribe even though I'm already subscribed.
I am however receiving emails to these threads.
I've cleared my cache, logged in on three different computers and it's the same on all three.
2 running Windows 7 & IE8
1 running XP Pro & both IE8 & Firefox
Thank you in advance for your help.
Regards,
Angelo