У вашего броузера проблема в совместимости с HTML5
Polyline pathway editableis an Archicad object. You can add new point, create arc, modify elevation of the path point, create a close path.
You can also have the texture follow the path both in 2d and 3d.
Download i for free at:
http://www.3dmediadesign.it/free-obj.html