rem: if (!this.isEnabled() || !this.isVisible()) return false; 
add: if (!this._enabled || !this.isVisible()) return false; 
context:     setFocus: function(focus) {                  if (!this.isEnabled() || !this.isVisible()) return false;                if (!focus) {            var active = tw_getActiveElement();                        if (active != null) {                while (active.id <= 0) active = active.parentNode;                if (active.id == this._ddComp._id) return false;            }            this._ddComp.setVisible(false);        }                this._setFocusStyle(focus);                return arguments.callee.$.call(this, focus);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/DropDown.js/buggy/src/thinwire/render/web/resources/DropDown.js