code: function(node) {
          return({
              x: parseFloat(node.getAttributeNS(null, "cx")),
              y: parseFloat(node.getAttributeNS(null, "cy"))
          });
      }
docs: Method: getPosition
  Finds the position of an svg node.
  
  Parameters:
  node - {DOMElement}
  
  Returns:
  {Object} hash with x and y properties, representing the coordinates
  within the svg coordinate system