"nav"-frame to the "queryframe"-frame, altered the way the form is
submitted in LeftFrameLight mode to keep the queryframe. Only if
JavaScript is usable, otherwise it's not necessary to keep the 'opener'
pointer.
frame with query history [#526008]. Currently a bit experimental,
works with IE6 and Mozilla 1.2. Utilizes pretty basic JavaScript functions
which *should* work with any browser.