protected var _detachedScrolling:Timer;

        /**
         * @private
         */
        protected var _newMessageColor:uint = 0x000000;

        /**
         * @private
         */
        protected var _newMessageColorChanged:Boolean = true;

        /**
         * @private
         */
        protected var _historyFontSizeChanged:Boolean = true;

        [Inspectable(enumeration="false,true", defaultValue="false")]
        /**
         * Specifies whether the <code>contextMenu</code> is supplied by the developer or should be generated by the component.
         */
        public var useExternalContextMenu:Boolean = false;

        /**
         * @private
         */
        protected var _sessionDependent:Boolean = true;

        /**
         * @private
         */
        protected var _lm:ILocalizationManager = Localization.impl;

        /**
         * @private