Theme Builder

I'm experiencing something odd with the left and right sliders. They're not acting consistently with respect to the last state I leave them. I've got a main page where I have both left and right nav panels on, if I leave that space and come back, sometimes one or both nav panels are gone and I have to click the slider to get them back. If I log out and log back in, they're usually okay, but after a day of moving around on various spaces, the panels can be in almost any state.

Are there separate cookies for each space state? If I go from a space with 2 panels to a space with one panel, will I get a new cookie for the sliders of that space or will the slider cookie be over written?