code: function(doc) {
          if (typeof doc == "string") { 
              doc = OpenLayers.Format.XML.prototype.read.apply(this, [doc]);
          }
  
          /* Try RSS items first, then Atom entries */
          var itemlist = null;
          itemlist = this.getElementsByTagNameNS(doc, '*', 'item');
          if (itemlist.length == 0) {
              itemlist = this.getElementsByTagNameNS(doc, '*', 'entry');
          }
          
          var numItems = itemlist.length;
          var features = new Array(numItems);
          for(var i=0; i<numItems; i++) {
              features[i] = this.createFeatureFromItem(itemlist[i]);
          }
          return features;
      }
docs: APIMethod: read
  Return a list of features from a GeoRSS doc
  
  Parameters:
  doc - {Element}
  
  Returns:
  {Array(<OpenLayers.Feature.Vector>)}