Simple DropDown MenuInternet has a lot of scripts with the name "Drop Down Menu".
Most of scripts on the Net shared on two variants: The first - utterly worthless scripts.
The second - too complex heap up and chargeable. This script differs from the others in that it has a minimal code.
HTML code of this DropDown Menu is very simple and without tables.
It used unordered list for menu items and hidden layers near own parent items. JavaScript Code has only 4 small functions.
And CSS code uses only decoration elements.