>>Here's the scenario. In the window where you logged into UT, middle-click the search icon. It opens in a new tab. Do any search. The results appear in the lower (or upper, if you select so) frame of the previous tab, not in the new tab.
>
>I know. That why I use a Duplicate tab instead.

That option is somehow missing in my FF. Ah, I see, an add-on. I'm not adding any more for one website. Actually, I think it's the only one, among the ones that I regularly visit, where a page reload writes to the server.