Switching weapons/tools using a GameObject array

 #pragma strict
 
 var EmptyInScene : GameObject;
 var weapons : GameObject[] = new GameObject[4]; // Array of Weapons
 private var curWeapon : GameObject;
 
 
 
 function Start () {
 
        
 }
 
 function Update () {
 
 if (Input.GetKeyDown("1")) ChangeWeapon(0);
 if (Input.GetKeyDown("2")) ChangeWeapon(1);
 if (Input.GetKeyDown("3")) ChangeWeapon(2);
 if (Input.GetKeyDown("4")) ChangeWeapon(3);
 
 }
 
 function ChangeWeapon(weapon:int){
 
 if(curWeapon){
  Destroy(curWeapon);
  }
  
  var NewObject : GameObject = Instantiate(weapons[weapon], transform.position, transform.rotation);
  NewObject.transform.parent = EmptyInScene.transform;
 
 }