rem: if (row._colValues) 
add: if (row && row._colValues) 
context: function tov_getcelltxt (index, colID){    var row = this.childData.locateChildByVisualRow (index);    //ASSERT(row, "bogus row " + index);    if (row._colValues)        return row._colValues[colID];    else        return "";}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/64f0128f805d7f7a53819c408a30c765aa23f1fc/outliner-utils.js/buggy/extensions/venkman/resources/content/outliner-utils.js