Switching Cameras at runtime

using UnityEngine;using System.Collections; public class camControl : MonoBehaviour {  void Update () {  if(Input.GetKey("1")){   Debug.Log("Using Camera One");   camSwap(1);  }  if(Input.GetKey("2")){   Debug.Log("Using Camera Two");   camSwap(2);  }  if(Input.GetKey("3")){   Debug.Log("Using Camera Three");   camSwap(3);  } }  void camSwap(int currentCam){  GameObject[] cameras = GameObject.FindGameObjectsWithTag("cam");   foreach (GameObject cams in cameras){   Camera theCam = cams.GetComponent<Camera>() as Camera;   theCam.enabled = false;  }     string oneToUse = "Camera"+currentCam;  Camera usedCam = GameObject.Find(oneToUse).GetComponent<Camera>() as Camera;  usedCam.enabled = true; }}