I've created a tab group where the user can add and close tabs, by following the example here:

http://jqueryui.com/tabs/#manipulation

It works fine, but what I need is to make it so that if there is only one tab, you can't close it. Basically the same functionality as tabs in Safari. The first tab only has a close button when you add a second one, and it goes away when you delete all the other tabs. How do I do that? 

I figure it's something along the lines of this:

But not quite. Any help is mucho appreciated.