[Companion] Bookmark problem

[Brian]

Jim Reisert AD1C wrote:

>Using the latest yahootoolbar.jar, I noticed a glitch in the bookmarks.
>
>If you hover over a bookmark, about a second later you will get a tiny yellow
>pop-up box just below the mouse pointer with no text inside of it:
>
>  []
>
>  
>

That is an artifact of Gerd's changes to implement the tooltips.  
Setting the tooltip to null does not disable the tooltip, it causes the 
empty box.  I am sure that one of us can fix it.