healthbar error

hey guy,

I am making a game right now and im stuck with the health box c# scritp i am very new to c#.plz help me

code here:

using UnityEngine;

using System.Collections;

public class PlayerHealth : MonoBehaviour {

public int maxHealth = 100;

public int curHealth = 100;

public float healthBarLength;

// Use this for initialization
void Start () {
	healthBarLength = Screen.width / 2;
}

// Update is called once per frame
void Update () {
	AddjustCurrentHealth(0);
}

void OnGUI() {
GUI.Box(new Rect(10, 10,healthBarLenght, 20), curHealth + "/" + maxHealth);
}

public void AddjustCurrentHealth(int odj){
	curHealth += odj;
	
	if(curHealth<0)
		curHealth = 0;
	
	if(curHealth > maxHealth)
		curHealth = maxHealth; 
	
	if(maxHealth < 1)
		maxHealth = 1;
	
	healthBarLength = (Screen.width / 2) * (curHealth / (float)maxHealth);
}

}

i foud my error it was my healthBarLength who was writen wrong