Description

The module allows to show/hide child options (option groups) depending on selected values of parent options.
Main features of the module:
use options of any type as child options (“Select”, “Radio”, “Image”, “Checkbox”, “Text”, “Date”, etc)
use options of selectable types to be parent options (“Select”, “Radio”, “Image”, “Checkbox”)
display a child option if appropriate value of its parent option is selected, overwise – hide the child option.
use a child option as a parent for another option (multiple levels of parent-child relations)
set several parent options and patent option values per child option.
set values of hidden child options to be empty.
make hidden child options not required.