Hover option does nothing, not item previwes or item information. This has been going on for a while and I thought it might just fix itself, never did.. any advice or help?

I'm using firefox.

36.0.4

.... your gonna think I'm nuts. I swear for 'bout a month nothing ever came up [ so frustrating]. I leave my computer to have dinner, come back see your post and now the pop-ups work.

this morning it's not working again. I havent shut my computer down over night, just closed the browser and shut the screen off.

Actually, this started for me about two hours ago. The hover box doesn't even appear, nothing happens when you hover over an item. I can still add and take from the wishlist, though. I'm on Mac with Chrome 41.0.2272.104

Edit: Huh. The item hovers are working in Firefox, though.