rem: if (sendEvent) this.firePropertyChange("rowChecked", (state ? "t" : "f") + index); 
add: if (sendEvent) this.firePropertyChange("rowChecked", (state ? "t" : "f") + index, "rowChecked" + index); 
context:     setRowIndexCheckState: function(index, state, sendEvent) {        if (!this._visibleCheckBoxes || index < 0) return;        var style = this._content.firstChild.childNodes.item(index).style;        if (state == -1) state = style.backgroundImage.indexOf("gbUnchecked") >= 0;        style.backgroundImage = state ? tw_GridBox.imageChecked : tw_GridBox.imageUnchecked;        if (sendEvent) this.firePropertyChange("rowChecked", (state ? "t" : "f") + index);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/24e02545b42a490e7acd2cb4e45328f823b29e40/GridBox.js/buggy/src/thinwire/render/web/resources/GridBox.js