main code for up/down bib sort
main code for up/down bib sort

but controls not yet implemented

altaf-ali/dfr-browser,altaf-ali/dfr-browser,joncgoodwin/dfr-browser,joncgoodwin/dfr-browser,altaf-ali/dfr-browser,agoldst/dfr-browser,joncgoodwin/dfr-browser,agoldst/dfr-browser,altaf-ali/dfr-browser,agoldst/dfr-browser,joncgoodwin/dfr-browser,joncgoodwin/dfr-browser,agoldst/dfr-browser