Target a single enemy

Hey guys what's up I'm making an FPS prototype for my game using raycasthit for the gun, but when I hit 1 enemy they all take damage. How do I maket it so that only the shooted enemy takes damage? Here's the script:

 var force : float = 10;
 var range : float = 200;
 var clipnumb : int = 3;
 var bulletsPerClip : int = 14;
 var bulletsLeft : int;
 var reloadTime : float = 1;
 var shootAudio : AudioClip;
 var reloadAudio : AudioClip;
 var enemies : GameObject[];
 var enemy : GameObject;
 
 
 function Start () {
 bulletsLeft = bulletsPerClip;
 enemies = GameObject.FindGameObjectsWithTag("Enemy");
 }
 
 function Update () {
 Shooting();
 Reloading();
 RayShoot();
 }
 
 function RayShoot (){
 var hit : RaycastHit;
 var directionRay = transform.TransformDirection(Vector3.forward);
 Debug.DrawRay(transform.position, directionRay * range, Color.red);
 if(Physics.Raycast(transform.position, directionRay, hit, range)){
 for(var i : int = 0; i < enemies.length; i++){
 var dir : Vector3 = (enemies[i].transform.position - transform.position).normalized;
 var direction : float = Vector3.Dot(dir, transform.forward);
 if(hit.collider.tag == "Enemy"){
 if(direction > 0){
 if(Input.GetButtonUp("Fire1") && bulletsLeft > 0){
 enemy = enemies[i];
 var eh : EnemyHealth = enemy.GetComponent("EnemyHealth");
 eh.AdjustHealth(-10);
 }
 else{
 }
 }
 }
 }
 }
 } 
 
 function Shooting (){
 if(Input.GetButtonUp("Fire1") && bulletsLeft){
 bulletsLeft --;
 if(bulletsLeft < 0){
 bulletsLeft = 0;}
 audio.PlayOneShot(shootAudio);
 }
 }
 
 function Reloading (){
 yield new WaitForSeconds(reloadTime);
 if(Input.GetKeyUp(KeyCode.F)){
 if(clipnumb > 0){
 bulletsLeft = bulletsPerClip;
 audio.PlayOneShot(reloadAudio);
 }
 clipnumb --;
 }
 }