context: function xtv_getpi (index){    if (index < 0)        return -1;        var row = this.childData.locateChildByVisualRow (index);    //if (!ASSERT(row, "bogus row " + index))    //    return -1;        var rv = row.parentRecord.calculateVisualRow();    //dd ("getParentIndex: row " + index + " returning " + rv);    return (rv != null) ? rv : -1;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/6b866a92208c3fedf42bd2e47303c1aa4424e1cc/tree-utils.js/buggy/extensions/venkman/resources/content/tree-utils.js