display GUI on trigger2d enter then press button to enter

I am a newb at coding and i dont know how to add a press the button to c***inue to next level type thing.
HELP

Code (JavaScript):

1. #pragma strict
2. import UnityEngine.UI;
3. var textToUse = "Text";
4. var text : Text;
5. var levelload : boolean;
6. function Start ()
7. {
8.     text.text = "";
9. }
10. function OnTriggerEnter2D(other: Collider2D) {
11.    
12.         text.text = "" + textToUse;
13.         levelload = true;
14.        
15.                 if(Input.GetKeyDown"e"){
16. Application.LoadLevel("garage"); // it number or name, string
17.     }
18. }
19.  
20. function OnTriggerExit2D(other: Collider2D) {  
21.  
22.          
23.             text.text = "";
24.             levelload = false;
25. }

 

Hi,

Check couple tutorials first, then you'll get quick progress:
http://unity3d.com/learn/tutorials/modules

You need to put Input inside Update loop, TriggerEnter gets called just once you enter it, it doesnt "loop"..

 

so in an update function

 

so in an update function