title: d3.js - Tree Layout - How can I flip it?
body: <p>I'm using this example for a D3.js tree layout. </p>
  
  <p><a href="http://mbostock.github.com/d3/talk/20111018/tree.html" rel="nofollow">http://mbostock.github.com/d3/talk/20111018/tree.html</a></p>
  
  <p>I need to flip it, so the root node is on the right hand side, and the links... etc. </p>
  
  <p>How can I achieve this? </p>