rem: getParentOfContainer: function(aChildURI) 
add: getParentOfContainer: function(aChild) 
context:   getParentOfContainer: function(aChildURI)  {    var rChild = RDF.GetResource(aChildURI);    var arcsIn = BMDS.ArcLabelsIn(rChild);    var containerArc;    var splitUri;    while (arcsIn.hasMoreElements()) {      containerArc = arcsIn.getNext();      splitUri     = containerArc.QueryInterface(kRDFRSCIID).Value.split("#");      if (splitUri[0]+"#" == RDF_NS && /^_[0-9]+$/.test(splitUri[1])) {        return BMDS.GetSources(containerArc, rChild, true).getNext()                   .QueryInterface(kRDFRSCIID).Value;      }    }    return null;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/03e0f1ab93de7d313766cb867b51313fe050ef98/bookmarks.js/buggy/browser/components/bookmarks/content/bookmarks.js