 				paramsStr += (paramsStr ? '&' : '?') + key + '=' + params[key];
 			return serviceUrl + paramsStr;
 		}
-		/**
-		 * @param method Examples: "category", "category/series"
-		 * @param params Example: {category_id: 125}
-		 */
-		private function getJson(method:String, params:Object, handler:Function):void
-		{
-			jsonCache.getJsonObject(getUrl(method, params), handler);
-		}
 
 		public function createTopLevelNode():ColumnTreeNode
 		{

							}
							StandardLib.sortOn(children, "label");
						}
						);
					return children;
				}
			})

								metadata.label = dataSet.title;
								children.push(createDataSetNode(metadata));
							} 
						}
					);
					return children;
				}
			});
