code: function(data, options) {
          options = OpenLayers.Util.applyDefaults(options, this.options);
          var xls = {};
          this.readChildNodes(data, xls);
          return xls;
      }
docs: Constructor: OpenLayers.Format.XLS.v1
  Instances of this class are not created directly.  Use the
  <OpenLayers.Format.XLS> constructor instead.
  
  Parameters:
  options - {Object} An optional object whose properties will be set on
  this instance.
   
  Method: read
  
  Parameters:
  data - {DOMElement} An XLS document element.
  options - {Object} Options for the reader.
  
  Returns:
  {Object} An object representing the XLSResponse.