WowAce

What steps will reproduce the problem?
1.Open mount\pet\toys\wardrobe in combat with bosses (in my case Lich King(25h), Nefarian (cata 25h) and 5-man boss fights
It opens but cannot switch through the tabs.

What version of the product are you using?
r546

Do you have an error log of what happened?

3x [ADDON_ACTION_BLOCKED] Аддон 'Rarity' пытался вызвать защищенную функцию 'MountJournal:SetShown()'.
!BugGrabber\BugGrabber.lua:573: in function <!BugGrabber\BugGrabber.lua:573>
[C]: in function `SetShown'
Blizzard_Collections\Blizzard_Collections-1.0.lua:50: in function `CollectionsJournal_UpdateSelectedTab'
Blizzard_Collections\Blizzard_Collections-1.0.lua:86: in function <Blizzard_Collections\Blizzard_Collections.lua:80>
[C]: in function `Show'
FrameXML\UIParent.lua:2336: in function `SetUIPanel'
FrameXML\UIParent.lua:2177: in function `ShowUIPanel'
FrameXML\UIParent.lua:2048: in function <FrameXML\UIParent.lua:2044>
[C]: in function `SetAttribute'
FrameXML\UIParent.lua:2830: in function `ShowUIPanel'
FrameXML\UIParent.lua:816: in function `ToggleCollectionsJournal'
[string "TOGGLECOLLECTIONSPETJOURNAL"]:1: in function <[string "TOGGLECOLLECTIONSPETJOURNAL"]:1>

OK, I'll just remove my hook. This means Rarity can't put the Collections tab back where it found it when scanning toys.