Help is needed

hi all
i'm new to primefaces
i have the following problem: i want to use layout to show some categories, subcategories and elements, i want to use three pane layout (left, center, right). when i click a category at the left pane, the subcategoires should be loaded and displayed in the central pane and the elements in the right pane,
the question is is this possible??

best Regards
Yazan

yes, this is possible