GetComponent(NameOfScript) error "reference not set to an instance"

Hi,

I am trying to disable one script from another, but I got errors only. Any help please?

function Start () {
    GetComponent(NameOfMyScript).enabled=false;
}

And the error is this, so I guess that some reference is missing, but I don't know how to fix it.

"NullReferenceException: Object reference not set to an instance of an object Boo.Lang.Runtime.RuntimeServices.Dispatch (System.Object target, System.String cacheKeyName, System.Type[] cacheKeyTypes, System.Object[] args, Boo.Lang.Runtime.DynamicDispatching.DispatcherFactory factory) Boo.Lang.Runtime.RuntimeServices.Dispatch (System.Object target, System.String cacheKeyName, System.Object[] args, Boo.Lang.Runtime.DynamicDispatching.DispatcherFactory factory) Boo.Lang.Runtime.RuntimeServices.SetProperty (System.Object target, System.String name, System.Object value) ScriptHandler.Start () (at Assets/Scripts/ScriptHandler.js:4)"

The game object that this script is on does not have a NameOfMyScript component attached to it is my guess. Try this:

var ms : NameOfMyScript = GetComponent(NameOfMyScript);
if (ms)
  ms.enabled = false;
else
  Debug.LogError("There is no NameOfMyScript component");