RayCast Hit and look at target different objects

Hi guys i have to object ; first one is Player; that contains; clicktomove script; second one is Enemy; that contains; Aifollow script; here is the scripts; clicktomove script;

 var CubeInstance : GameObject;
 var smooth:int;
 private var targetPosition:Vector3;
 var speed = 60;
 var rotationSpeed = 5;
 var target : Transform;
 var myTransform : Transform;
 
         
         function Start () {
         
         
         
         CubeInstance  = GameObject.Find("Cube");
         
         
         }
         
         
  
        
  
          
  
         function Update () {
         
         
         
         
      
         
 
  
             if(Input.GetKeyDown(KeyCode.Mouse0))
  
             {
  
            
  
             smooth=1;
  
            
  
                 var playerPlane = new Plane(Vector3.up, transform.position);
  
                 var ray = Camera.main.ScreenPointToRay (Input.mousePosition);
  
                 var hitdist = 0.0;
  
                
  
                 if (playerPlane.Raycast (ray, hitdist)) {
  
                     var targetPoint = ray.GetPoint(hitdist);
  
                     targetPosition = ray.GetPoint(hitdist);
  
                     var targetRotation = Quaternion.LookRotation(targetPoint - transform.position);
  
                     transform.rotation = targetRotation;
  
                    
  
                      
  
                 }
  
              
  
             }
  
            
  
                 var dir:Vector3 = targetPosition - transform.position;
  
     var dist:float = dir.magnitude;
  
     var move:float = speed * Time.deltaTime;
  
     if(dist > move){
  
     transform.position += dir.normalized * move;
  
     } else {
  
     transform.position = targetPosition;
  
     }
  
            
  
            
  
             transform.position += (targetPosition - transform.position).normalized * speed * Time.deltaTime;
  
            
  
          
  
          
  
          
  
          }

here is the second script aifollow;

 var target : Transform;
 var moveSpeed = 200;
 var rotationSpeed = 5;
 var myTransform : Transform;
 var playerdistance : int;
 var player : GameObject;
 
  
 function Awake()
 {
 myTransform = transform;
 }
  
 function Start()
 {
 
 player = GameObject.Find("Player");
  
 target = GameObject.FindWithTag("Player").transform;
  
 }
  
 function Update () {
 
 
 if(playerdistance >= 1000) {
 
 
 moveSpeed = 0;
 
 }
 
 if(playerdistance < 1000) {
 
 
 moveSpeed = 200;
 
 }
 
 
    playerdistance = Vector3.Distance(player.transform.position, transform.position);
  
  
  
    
    
     myTransform.rotation = Quaternion.Slerp(myTransform.rotation,
     Quaternion.LookRotation(target.position - myTransform.position), rotationSpeed*Time.deltaTime);
     myTransform.position += myTransform.forward * moveSpeed * Time.deltaTime;
    
    
  
  
 }

clicktomove script::::: with the click to move script i can move the Player with mouse button 0,,, Player moves x axis aifollow script::::: with the aifollow script Enemy looks at the Player and it follow him x axis.

now i want to do something like this : if i Click mousebutton 0 the collider of the Enemy or click the Enemy,,, Player will look at the Enemy but player already can move. and if i click mouse button 0 out of the collider of enemy Player will stop to look at the enemy.

now who can writes me the codes or help me pleaseee i need this thank you. :)