new message (1) near friend in IM Friend Picker doesn't work in IE

Hi,

first of all great model tanks,
i checked this model under FF and Crome and it works fine.
but under IE if some one is on "no one" and a message come him it doesn't show(1) beside the sender and don't jump to the conversation.
in all other browsers it works.

can you help me here please...

thanks.