Script: Fix anything to Top on Scroll

Version 3 of Xtreme introduced fixed menus, as well as Fix on scroll options for both primary and secondary menu bars.
 
The tutorial below shows you how to use a provided script to fix on Scroll anthing else you like, such as
– Extra menu (using the “Plus” Extra Menu shortcode)
– HTML Insertion area or any theme Area with the “plus” Classes box
– Your own content <div>