Here we go for n-th time with some "nice" issues...
In a framed environment, when you set multi-level horizontal menu (with divides=2), or vertical menu with scrollbar (with overflow='scroll'), happens that the central frame (the "body" one) displays the submenues with some vertical offset or bias, as shown in the following pictures (anyways... there's a test web site with a working example at http://www.dinko.cl/~dinko/menu4):
Vertical bias in vertical menu:
Image 1: Naughty submenu, you should be like 100 pixels above!
Vertical bias in horizontal menu:
Image 2: The submenu follows the same vertical bias of its parent
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Thanks a lot (again),
Cro