DNN Menu Creation using module or custom asp code

Hi, I want to display the main menu links ( Level 1) horizontally like HOME SERVICES PRODUCTS If SERVICES is clicked, I want to display the Submenu for Services only in the left pane. Like HOME SERVICES PRODUCTS SERVICE 1 SERVICE 2 SERVICE 3 If Products is clicked, it should display the following. The Services Submenu should not be displayed at all. HOME SERVICES PRODUCTS PRODUCT 1 PRODUCT 2 PRODUCT 3 Need help to create this kind of dynamic submenus in DNN. If you have solid DNN experience in writing modules and have done many implementations of DNN, and are confidant of doing this quickly, then contact me with your best bid.