rem: var checked = this._image.style.backgroundImage == this._imageChecked; this.setChecked(!checked); this.firePropertyChange("checked", !checked); 
add: var checked = !this.isChecked(); this.setChecked(checked); this.firePropertyChange("checked", checked); 
context:     _clickListener: function() {        if (!this.isEnabled()) return;        this.setFocus(true)        var checked = this._image.style.backgroundImage == this._imageChecked;        this.setChecked(!checked);        this.firePropertyChange("checked", !checked);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/f1782c774313ba79c127ba5da30580c5ce1f4c32/BaseCheckRadio.js/buggy/src/thinwire/render/web/resources/BaseCheckRadio.js