Im Doing HighScore System To My Game And There Is Something Wrong In My Scripts

So Im Doing highScore System When Players Health Is 0 It Sets New highscore But There Is Problem That When Helath Is 0 Nothing Happens

-------HealthScript--------

 var curHealth : int = 100;
  function Start(){
  }
  
 function OnGUI(){
 GUI.Box(Rect(Screen.width*0.9,Screen.height*0.5,100,25), curHealth.ToString());
 }
  
 function OnTriggerEnter (other : Collider) {
  
       if(other.gameObject.tag == "enemy")
       curHealth -= 10; 
  }

-------ScoreScript--------

 #pragma strict
 
  var highScore: int = PlayerPrefs.GetInt("HighScore");
 
 function Start(){
  InvokeRepeating("EachSecond",1.0,1.0);
  }
 
  var Elkit : GameObject;
  var score: int = 0;
  var addscore = 7;
 var HighScore : int;
  function EachSecond()
  {
  score=score+addscore;
  }
  function OnGUI(){
  GUI.Box(Rect(Screen.width*0.9,Screen.height*0.2,100,25), score.ToString());
  var health : Health;
 health = Elkit.GetComponent("Health");
 
 if(health.curHealth == 0 && score <= highScore)
 {
 PlayerPrefs.SetInt("HighScore",score);
 
 
 } 
  }

---------HighScoreScript-----------

 #pragma strict
 var highScore: int = PlayerPrefs.GetInt("HighScore");
 function Start () {
 
 
 }
 function OnGUI(){
  GUI.Box(Rect(Screen.width*0.9,Screen.height*0.3,100,25), highScore.ToString());
     }