title: Javascript: How to get .tgz MIME type from HTML file input?
body: <p>I am able to get most file MIME types by checking the file in a HTML file element, however when choosing a .tgz file I do not get a type.</p>
  
  <p>Here is a jsfiddle showing the file type when a file is selected from the HTML file input: <a href="http://jsfiddle.net/chrisabrams/cTJKf/" rel="nofollow">http://jsfiddle.net/chrisabrams/cTJKf/</a></p>