Hi, I am a begineer in SW animation and I had the foll. questions: 1] I have a simple rail and a carriage (sliding on the rail). When I call out the linear motor, the carriage slides along the rail, but doesnt stop. How do I make it stop at a particular location? 2] If I have this rail and carriage subassembly in another assembly, how do I make the carriage slide in this top level assy.? I am using SW2006. Please help.