function instantiateController(ControllerClass, sName) {
			var oController;
			if (mRegistry[sName]) {
				oController = new ControllerClass(sName);
			} else {
				oController = new ControllerClass();
			}
			if (!oController) {
				throw new Error("Controller " + sName + " couldn't be instantiated");
			}
			return oController;
		}
Instantiation of a controller

@param {function} ControllerClass The controller constructor
@param {string} sName the controller name
@return {sap.ui.core.mvc.Controller} The created controller instance