rem: if (!this.isEnabled() || tw_getEventButton(event) != 1) return; 
add: if (!this._enabled || tw_getEventButton(event) != 1) return; 
context:     _buttonMouseDownListener: function(event) {        if (!this.isEnabled() || tw_getEventButton(event) != 1) return;         var s = this._button.style;        s.borderStyle = "solid";        var pad = parseInt(s.borderWidth);        var width = Math.floor(pad / 2);        pad -= width;        s.borderWidth = width + "px";         s.borderColor = tw_COLOR_THREEDSHADOW;        s.padding = pad + "px";    },
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