Update from the local Panera: After being chased from the house by an electricity-killing thunderstorm, I have finally, FINALLY cracked a DHTML tab panel problem I’ve been banging my head against for the last week, which feels like the weight of the world has been lifted from my shoulders. Essentially, the script I’d started with was using the visibility attribute of CSS instead of the display attribute, and in concert with some poorly-advised absolute positioning, the whole thing was appearing outside the document flow (floating above everything else instead of pushing the content downward gracefully). After trying and discarding about ten different scripts, I came back to my old reliable one and finally made it work. Hallelujah.