title: Codeigniter: Run code only if in certain view
body: <p>I need to add a 3rd party script (Optimizely) to my  so I want to drop it in to my main template.</p>
  
  <p>However, I only want it to run on one page, my /order page. How can I add this script to the head so that it checks, if View = Order then include this js file, otherwise, don't include it?</p>