Multiple onclick paths?

Is it possible to do something like the emulators or apps or games buttons do, searching in multiple locations, like on the E and F drives, for their respective folders? I would like to have a button search E and F for a folder. I tried doing something like what i posted at the bottom of this post, but it didn't work, obviously, but is there any way of achieving this at this time? I also tried using + and | and taking away the brackets and so on to see if any of that helped, but to no avail. If this isn't possible for skinners currently, is it something that might be implemented in the future? Thanks for any input you have to offer.

<onclick>XBMC.ActivateWindow(myvideos,[E:\XBMC-TV, F:\XBMC-TV)</onclick>

oops, supposed to be another bracket in there, but you get the idea

First off, add a multipath bookmark.

Then use the name of the bookmark, not the path(s).