title: SVG re-ordering z-index (Raphael optional)
body: <p>How can I reorder Raphael or their underlying SVG elements after creation.
  Better yet, do something like layers exist in SVG?</p>
  
  <p>Ideally I would like two or more layers in which to place elements at any time; A background and a foreground layer. If that is not an option, popping elements to the front would be ok, and pushing it to the back would be better in this particular case.</p>
  
  <p>Thanks,</p>