Today, Luci & I worked (well mostly Luci 
) to enhance the current site with PhpLayersMenu (PLM).
This had led to some fixes which will be available in Tiki 1.9.5
The major one is the update to latest version of PhpLayersMenu (3.2.0-rc)
Also:
http://sourceforge.net/mailarchive/forum.php?thread_id=28828413&forum_id=15900
http://sourceforge.net/mailarchive/forum.php?thread_id=28828409&forum_id=15900
Work continuss to showcase & enhance PLM
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