@dedmin said:
Yes, You can convert a line to different curves using BezierSpline - http://forums.sketchucation.com/viewtopic.php?f=323&t=13563#p100509
But please, if You are so in a hurry to master SketchUp just use a search function in the forum.
I'm not in a hurry, it's just that i have two weeks to finish this project, and i'm only getting to terms with sketchup.