title: Using javascript variavl in jQuery Flip plugin
body: <p>I have this code. In the 'content' section, I want a variable - currentCard - to be displayed. </p>
  
  <p>Here is the code. Any help is much appreciated!</p>
  
  <pre><code> $("#middle").flip({
      direction:'rl',
      content:'currentCard',
      color:'#fff'
  })
  </code></pre>