public void upgradeTurretType()     //Upgrading to the Second turret Type
    {
        if (turretUpgraded == false)
        {
            if (spawnEnemy.Instance.numberKilled >= 100)
            {
                spawnEnemy.Instance.numberKilled -= 100;
                health         = turretHandler.Instance.health;
                location       = turretHandler.Instance.transform;
                turretFireRate = turretHandler.Instance.bulletDelay;

                //Toggling all weapon images on
                rifleWep.SetActive(true);
                shotgunWep.SetActive(true);
                launcherWep.SetActive(true);
                rifleWep2.SetActive(true);
                shotgunWep2.SetActive(true);
                launcherWep2.SetActive(true);

                Destroy(GameObject.Find("turretMain"));                                                                                                    //destroying old turret
                turretHandler turretSecondForm = ((GameObject)Instantiate(turret2, location.position, location.rotation)).GetComponent <turretHandler> (); //instanciating new turret
                turretSecondForm.bulletDelay  = turretFireRate;                                                                                            //setting new turret values equal to old values
                turretSecondForm.health       = health;
                turretSecondForm.wepSelect    = 1;
                turretSecondForm.rifleWep     = rifleWep;
                turretSecondForm.shotgunWep   = shotgunWep;
                turretSecondForm.launcherWep  = launcherWep;
                turretSecondForm.rifleWep2    = rifleWep2;
                turretSecondForm.shotgunWep2  = shotgunWep2;
                turretSecondForm.launcherWep2 = launcherWep2;

                //reseting weapon highlight to rifle config
                rifleWep.SetActive(false);
                rifleWep2.SetActive(true);
                shotgunWep2.SetActive(false);
                launcherWep2.SetActive(false);

                turretUpgraded = true;
            }
        }
        else if (turretUpgraded == true)
        {
            upgradedText.text = "Turret already upgraded!";
        }
    }
 // Use this for initialization
 void Start()
 {
     Instance = this;
 }