When I keydown "space", splinecontroll.js will start

I'm doing a roller coaster

I use SplineController.js and I succeed

After start game, I want to......

When I keydown "space", splinecontroll.js will start

Don't autostart the game

How can I edit this script? thanks!

About SplineController.js: http://www.unifycommunity.com/wiki/index.php?title=Spline_Controller

I do it!!!

my edit:

function Update () {
if(Input.GetKeyDown("space")){
FollowSpline();
}
}