code: function(geometry) {
          var className = geometry.CLASS_NAME;
          var type = className.substring(className.lastIndexOf(".") + 1);
          var builder = this.buildGeometry[type.toLowerCase()];
          var node = null;
          if(builder) {
              node = builder.apply(this, [geometry]);
          }
          return node;
      }
docs: Method: buildGeometryNode
  Builds and returns a KML geometry node with the given geometry.
  
  Parameters:
  geometry - {<OpenLayers.Geometry>}
  
  Returns:
  {DOMElement}