If it's one hotspot, right-click>export>HTML and Images. If more than 1 hotspot or slice, shift select and repeat the same way.
In Dreamweaver place the cursor where you want the menu and go to Inert>Image Objects>Fireworks HTML
In all honesty, do not use the FWs generated popups . Create your buttons in FWs, but build the menu in Dreamweaver, or use a third party site to help you build a CSS dropdown menu.
Here are other ways to create dropdown menus:
Basic css menus: horizontal / vertical:
CSS Dropdown menus by Suckerfish:
Spry Menus: - already included with CS4
I 100% agree! Since I'm always in a hurry, my favorite extensions are from project seven and web assist. they both have menu extensions. For my menus I now use PPVII and they recenty did an update that includes using the menus as an include. I haven't taken the time yet to read the tut :-)