docs: function(key, context) {
          var dictionary = OpenLayers.Lang[OpenLayers.Lang.getCode()];
          var message = dictionary && dictionary[key];
          if(!message) {
              // Message not found, fall back to message key
              message = key;
          }
          if(context) {
              message = OpenLayers.String.format(message, context);
          }
          return message;
      }