MouseLook not being disabled when attached to a camera

I'm writing a script to disable moving the camera and moving the character when certain variables are true/false. It works fine, except for the script attached to the camera (I have the same problem in a similar script that handles pausing).

Here's my code:

 var inUse : boolean = false;
 var charControllerDisabled : boolean = false;


 private var FirstPersonController : GameObject;

 function Start() {

 FirstPersonController = GameObject.Find("FirstPersonController");

 }

 function Update () {
 
 if(inUse && !charControllerDisabled){
     
         
     FirstPersonController.GetComponent("CharacterController").enabled = false;
     FirstPersonController.GetComponent("MouseLook").enabled = false;    
     FirstPersonController.GetComponent("CharacterMotor").enabled = false;
     FirstPersonController.GetComponent("FPSInputController").enabled = false;
     
     FirstPersonController.GetComponentInChildren(MouseLook).enabled = false;
     
         
 
 
 
     }

 }

I suspect the problem is that the camera is not a GameObject but a Camera. However, I've tried referencing the Camera directly, and that didn't work either. Any help would be appreciated.