add:  var row = {}, colID = {}, childElt = {}; dirTree.treeBoxObject.getCellAt(event.clientX, event.clientY, row, colID, childElt); if (row.value == -1 || row.value > dirTree.view.rowCount-1) {  return; } 
context: function DirPaneDoubleClick(event){  // if the user clicks on the header / trecol, do nothing  if (event.originalTarget.localName == "treecol")    return;  if (dirTree && dirTree.treeBoxObject.selection && dirTree.treeBoxObject.selection.count == 1)    AbEditSelectedDirectory();}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d6eeed9f2acb0ac5563577a11692704d00ca979d/abCommon.js/buggy/mail/components/addrbook/content/abCommon.js