Create your menu using "Add button" and "Add submenu's item's buttons.
Use various ready to use Templates. Double click on the Template to apply it.
Change button appearance for normal and mouse over states and set buttons/submenus link properties and link target attributes.
Save your menu as project file, as HTML page or insert your menu into the existing HTML page
COLLAPSING MENU CSS
Let's assign text to the subitems. Select first item in the submenu by clicking it and then enter text in the "Text" field on the Properties toolbox. You will see that, as you enter the text, the selected submenu's text will change too.
Then select next item in the submenu with click. Enter its text and so on. After finishing, the menu will look like this:
Let's change the submenu theme. To do it just select theme you like in the submenus themes list on the Themes toolbox. Then you can browse this theme's submenu backgrounds. Note, that submenu backgrounds are previewable. You can look at their behavior while choosing. Just point mouse at it to know how submenu will react.
When you find a submenu background you like, double-click it to apply. For example, after choosing one of the "blue" theme's backgrounds, we'll get following results:
DESCRIPTION
Apply any font of any color, size and font decoration you need. Use any available type, color and thickness of a menu's frame. Choose any color for submenus and items backgrounds.
Specify various values for spacing and padding for the whole menu and for each separate submenu.
Create separators using your own pictures, size and alignment.
Vista-style menus
Web menus, which are created by DHTML Dropdown Menu, exactly correspond with Windows Vista graphic interface components. That is why the visitors of your site will not have to spend their time in order to familiarize with the unusually-looking navigation. Nevertheless, you are not limited by the standard Windows themes, and you will be able to create your own original buttons.