rem: this.property = property; 
add: this.property = null;  if (typeof blankCols == "object") { for (var i in blankCols) this._colValues[blankCols[i]] = ""; } 
context: function TOLabelRecord (columnName, label, property){    this.setColumnPropertyName (columnName, "label");    this.label = label;    this.property = property;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/64f0128f805d7f7a53819c408a30c765aa23f1fc/tree-utils.js/buggy/extensions/venkman/resources/content/tree-utils.js