add: if (!this._enabled) return; 
context:     _mainMenuMouseOut: function(event) {        var overItem = tw_getEventTarget(event, "menuItem");                if (overItem == null) {                    var item = tw_getEventTarget(event, "mainMenuItem");            if (!this._menusAreVisible) this._setHighlight(item, false);        }    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/37796fea05d0eb86951d2f34aedeb66e8b500920/Menu.js/buggy/src/thinwire/render/web/resources/Menu.js