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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6b7c961af3c8d8c73aa3b01e4b413f4b31418399/tree-utils.js/clean/extensions/venkman/resources/content/tree-utils.js