rem: if (aIndex < 0) 
add: try { return this.mDOMView.getNodeFromRowIndex(aIndex); } catch (ex) { 
context:   getNodeFromRowIndex: function(aIndex)  {    if (aIndex < 0)      return null;    var builder = this.mDOMOutlinerBody.builder.QueryInterface(Components.interfaces.nsIXULOutlinerBuilder);    var res = builder.getResourceAtIndex(aIndex);    res = res.QueryInterface(Components.interfaces.inIDOMRDFResource);    return res ? res.object : null;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a7c48464e3280bcd1d3585d7cc0bc61c943ad5a5/dom.js/clean/extensions/inspector/resources/content/viewers/dom/dom.js