title: Using URL path as a query string for index page without display script filename
body: <p>I have an index page that can be accessed from the URL <code>http://mysite.com</code>. I can input query strings <code>?type=small</code>, <code>?type=medium</code> or <code>?type=large</code> so that different results will be displayed. However, I want users to be able to access the site with the URLs <code>http://mysite.com/small</code>, <code>http://mysite.com/medium</code> and <code>http://mysite.com/large</code> respectively instead without creating separate pages.</p>
  
  <p>Can this be done and how?</p>