[Plugin: Sidebar Generator] Custom Menu with Side bar generator

Is there a way to capture the last sidebar used and use that again. I’d like to program the code (in laymens terms) to do the following:

if($selected_sidebar = ‘something’) then use the sidebar that was displayed on the last page
else
….

I have a custom menu that I would like to use on several sidebars and when it is diplayed use the sidebar for the page that it was found on.

http://ww.wp.xz.cn/extend/plugins/sidebar-generator/