GUI controlled movement

function OnGUI () {

//background box GUI.Box (Rect (10,130,100,90), "Controls");

//Make first button if (GUI.Button (Rect(20,160,80,20), "Arm")){ model.animation.Play("raise arms", PlayMode.StopAll); }

function Update () { if (!animation.IsPlaying ("startUp") && !animation.IsPlaying ("armDrillAnimation04")) {

 // Rotate around y-axis
 var newRotation = Input.GetAxis("Horizontal") * rotatationSpeed;
 transform.Rotate(0, newRotation * Time.deltaTime, 0);

 // Calculate speed
 var newSpeed = Input.GetAxis("Vertical") * speed;
 if (Input.GetKey("left s$$anonymous$$ft"))
     newSpeed *= 1.5;

 // Move the controller
 var controller : CharacterController = GetComponent (CharacterController);
 var forward = transform.TransformDirection(Vector3.forward);
 controller.SimpleMove(forward * newSpeed);

 // Update the speed in the Animation script
 SendMessage("SetCurrentSpeed", newSpeed, SendMessageOptions.DontRequireReceiver);
 SendMessage("SetCurrentLean", Input.GetAxis("Horizontal"), SendMessageOptions.DontRequireReceiver);
     }

}