Split location.href at the # character. Grab the last item in this new array (if it exists). Use the resulting string to set that DIV's display to 'block'
I ended up using a similar method to the one PettyRider suggested. A var was set from the location.href and the substring extracted Then a routine was run to search for a href match and voila! Hey presto... even with 30 FAQs on the page it still loads in reasonable time.
Thanks to jQuery and a little bit of fiddling around we have a solution. Plus, the FAQs are also content managed so the end user has absolute control.