Arugument out of range for Inventory system (JavaScript)

I have an inventory system with a list of items that I can edit in script or in the editor. These items have an int variable itemId. In-game, I have it set to transfer an item from my items list to a mainInventory list of type item. When in close enough proximity to the item and if pressing "f" the item should appear in my inventory UI. The problem I have is reading the Id of the in-game item. I attached a script to the itmes I want to pick up, containing a single int variable (also itemId) hoping to be able to read that in relation to the variable on my items list and find a matching Id. It is probably a very simple mistake, but I am truly stumped, and any help would be greatly appreciated. Thanks! (Check line 20 for the error line)

Code (JavaScript):

1. var manager : GameObject;
2. var hand : GameObject;
3. var oldWeapon : GameObject;
4. var itemToPickUp : GameObject;
5. var originalScale : Vector3;
6. var canPickUp : boolean;
7. public var isEquipped : boolean;
8. var isWorking : boolean;
9. var itemID : int;
10. var items : Item[];
11.  
12. function Update () {
13. ////////////////////////////////////////////////////////////////
14. var mainInventory = manager.GetComponent(inventory).mainInventory;
15. var items = manager.GetComponent(inventory).items;
16. /////////////////////////////////////////////////////////////
17. originalScale = transform.localScale;
18.  
19. transform.localScale = originalScale;
20. ////////////////////////////////////////////////////////////
21. for(var a = 0; a < 2; a++){
22.     if(itemToPickUp.GetComponent(itemId).itemId == items[a].itemId){
23.  
24.         isWorking = true;
25.         itemID = items[a].itemId;
26.         }
27. }
28. /////////////////////////////////////////////////////////////
29. if(canPickUp && Input.GetKeyDown("f")){
30.  
31.     mainInventory.Add(items[itemID]);
32.  
33.     //Destroy (itemToPickUp);
34.  
35. }
36. ////////////////////////////////////////////////////////////////////
37. if(hand.transform.childCount == 1){
38.  
39.     isEquipped = true;
40.  
41.     }
42. }
43. //////////////////////////////////////////////////////////////////////
44. function OnTriggerEnter (other : Collider){
45.  
46.     if(other.gameObject.tag == "Weapon"){
47.  
48.         canPickUp = true;
49.  
50.         itemToPickUp = other.gameObject;
51.         }
52.     }
53. //////////////////////////////////////////////////////////////////////
54. function OnTriggerExit (other : Collider){
55.  
56.     if(other.gameObject.tag == "Weapon"){
57.  
58.         canPickUp = false;
59.  
60.         //itemToPickUp = other.gameObject;
61.  
62.  
63.         }
64.     }
65. //////////////////////////////////////////////////////////////////    /////////////////////////////
66. function OnGUI (){
67.  
68. if(canPickUp){
69.     GUI.Button(Rect(Screen.width/2 - 50,Screen.height/2 + 10 ,125,25), itemToPickUp.itemId);
70.     }
71.  
72. }
73.  

 

GetComponent(itemId) should be GetComponent<itemId>()

Assuming your script name is itemId. Otherwise, you need itemid to be replaced with the script name

 

Thanks, works perfect now!