Tree Menu Implementation

[Marcello]

Hi

i need to create a menu for my binary tree

its a meny for clothese

Sports Clothing Menu:
1 Soccer
2 Rugby
3 Add a new category
4 Add a Selling item
5 Quit to main menu

I am not sure on how to do this properly as this menu has to add a new category and selling item on the desired level(leaf)

and how the selecting that category would work .. i thought using a swtch menu would work but .. it just wont please i need some help :(

thanks much appricated if somebody can guide me on what to do exactly

thankyou