rem: var index = parseInt(this.getProperty(aResource, RDF_NS+"nextVal")); 
add: var index = parseInt(this.getProperty(aResource, gRDF_NS+"nextVal")); 
context:   getTargetFromFolder: function(aResource)  {    var index = parseInt(this.getProperty(aResource, RDF_NS+"nextVal"));    if (isNaN(index))      return {parent: null, index: -1};    else      return {parent: aResource, index: index};  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/da13e64cf2f4fd9692155e90cae7223431174c1d/bookmarks.js/clean/browser/components/bookmarks/content/bookmarks.js