1. Put DropDownMenu web block from RichWidgets inside a container;
2. Inside the MenuItem placeholder, define the link and label for the top Menu option, defining if the menu item is the one currently active;
3. Inside the MenuSubItems placeholder, for each one of the SubMenu items (if any), add the necessary links with the class "Menu_SubMenuItem", using the aditional class "Menu_SubMenuItemActive" in the one currently active.