getting out of a vehicle

I have a turret that I want to mount on the side of a ship. When i go up to a computer I want to be able to hit e and the player can take control of it. I have three seperate scripts. the first on goes onto the computer.

var showGUI : boolean;
var other : Transform;
var controlingturret=false;

function OnMouseEnter()
{
    showGUI = true;

}

function OnMouseExit()
{
    showGUI = false;
}

function OnGUI()
{
    if (showGUI)
    {
       GUI.Box(Rect(20, 10, 150, 100), "Press E to Enter");
    if (Input.GetButtonDown("Use")){
        GameObject.FindWithTag("turret1").GetComponent(TurretControl).enabled=true;
        GameObject.FindWithTag("Player").GetComponent(which).DoSomething();
    controlingturret=true;
    }

 }

}

if (controlingturret){
if (Input.GetButtonDown("Use")){
    GameObject.FindWithTag("turret1").GetComponent(TurretControl).enabled=false;
    GameObject.FindWithTag("Player").GetComponent(which).DoSomethingAgain();
    controlingturret=false;
    }
    }

the second goes onto the player to control the camera selection

var cam1 : Camera;
var cam2 : Camera;

    function Start () {
        cam1.enabled=true;
        cam2.enabled = false;

        }

    function DoSomething() {
        cam1.enabled=false;
        cam2.enabled = true;
    }

    function DoSomethingAgain() {

    cam1.enabled=true;
    cam2.enabled=false;

    }

and the third goes onto the turret itself

var horizontalSpeed = 2.0;
var verticalSpeed = 2.0;
function Start (){
GetComponent(TurretControl).enabled=false;
}

function Update ()
{
    // Get the mouse delta. This is not in the range -1...1

    var h = horizontalSpeed * Input.GetAxis ("Mouse X");
    var v = verticalSpeed * Input.GetAxis ("Mouse Y");

    transform.Translate (h, 0, v);
}

So far I am able to get into the turret and control it just fine but i'm not able to take control of the player again. Am I going about this the wrong way? Is there a more effective way to do it? Anyone got any help? Thanks

It looks like the last block of code in your first script is not inside a function. Remove the '}' just before it.

Your last bit of code is not in a function. You should create an Update function like this:

function Update()
{
if (controlingturret){
if (Input.GetButtonDown("Use")){
    GameObject.FindWithTag("turret1").GetComponent(TurretControl).enabled=false;
    GameObject.FindWithTag("Player").GetComponent(which).DoSomethingAgain();
    controlingturret=false;
    }
    }
}