Corner Chat Popup is hidden in Safari

Hi guys,

I am running WP 3.1.3, BP 1.2.8, and Wordpress Chat 1.0.6

I have a presentation problem with WP Chat in Safari using the corner chat function.

When you click the pop-up button to start to chat the Chat frame expands below the browser frame, not above as in Firefox, which hides responses and the entry box.

Any suggestions on how to fix this appreciated

Steve