In order to use the Fixed Browser top area with an extra menu, you will need pro the “Plus” plugin. if you do, also read the tutorial #4 in the thread below for the proper implementation of the fixed browser top area.
http://forum.weavertheme.com/discussion/10739/weaver-xtreme-tips-and-tutorials-part-4#Item_1
If you do not have pro the “Plus” plugin, you will need to use custom CSS. Start by using the option “move primary menu to the top” in the primary menu bar options, then give us a link to your site.
But using pro the “Plus” pluginwill be the easiest way to go