rem: var outlinerView = gDBView.QueryInterface(Components.interfaces.nsIOutlinerView); var outlinerSelection = outlinerView.selection; if (outlinerSelection) outlinerSelection.clearSelection(); 
add: var treeView = gDBView.QueryInterface(Components.interfaces.nsITreeView); var treeSelection = treeView.selection; if (treeSelection) treeSelection.clearSelection(); 
context: function ClearThreadPaneSelection(){  try {    if (gDBView) {      var outlinerView = gDBView.QueryInterface(Components.interfaces.nsIOutlinerView);      var outlinerSelection = outlinerView.selection;      if (outlinerSelection)         outlinerSelection.clearSelection();     }  }  catch (ex) {    dump("ClearThreadPaneSelection: ex = " + ex + "\n");  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js