title: Get google map direction from current location to destination
body: <p>I'm using google map direction API to get direction json, but my problem is I cannot pass current location to the origin parameter. Is there any way to do this?</p>
  
  <pre><code>http://maps.google.com/maps/api/directions/json?origin=41.393529,-72.811514&amp;destination=41.311725,-72.740211
  </code></pre>