AutoCAD Architecture :: One Stair For Multiple Levels

I have a building with 2 levels & I have one stairwell.  My 2 levels are in a shell.dwg - (first floor level & second floor level).  I have a simple stair & landing, which is an element.  I insert that element into the first floor level.  Everything is fine there, but when I set up a view drawing with the shell (construct) & stair (element in construct) for the second level the stair is diplayed as if it is going up from the first floor level - I need it to show going down from the second floor level.  Is there way to show that with one stair?  

What we have done in the past is to not have levels, 1 construct for first floor & another for second floor - creating a stair styles for each floor.  But when you do a model you have stairs on top of each other (not really using the software like we should).  So my question is how do I have 1 stair for 2 different levels & show it correctly for each level.  When I set my cut-plane height for first floor level - looks great, but when I set it second floor level - either it remains the same obviously or when I uncheck the override display config. in other on the display tab in the style the stair disappears.  I'm trying a new way of creating models/plans & I can't think on how to create the stairs correctly.  What am I missing in order to look correctly in plan view without making 2 stairs.