Select Enemies

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function Update () {

    var hit: RaycastHit;

    if(Input.GetMouseButtonDown(1) &&
       Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), hit,
                        Mathf.Infinity)) {

    if(hit.collider.CompareTag("minion")){
        Debug.Log("select enemy1");
        n = hit.collider.gameObject;
        n.gameObject.tag = "minionSelected";
        n.renderer.materials[0].shader = Shader.Find ("Unlit/Texture");
        n.renderer.materials[1].shader = Shader.Find ("Unlit/Texture");
    }

    }
}