In the settings box ctrl/cmd+T there are a number of display options for home and other stories for each stair.
Please click on the PROFILE tab above and add you OS and archicad version to your signature.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"