add:  for (index in gMessageListeners) gMessageListeners[index].onStartHeaders(); 
context:     onStartHeaders: function()    {      // every time we start to redisplay a message, check the view all headers pref....      var showAllHeadersPref = pref.getIntPref("mail.show_headers");      if (showAllHeadersPref == 2)      {        gViewAllHeaders = true;      }      else      {        if (gViewAllHeaders) // if we currently are in view all header mode, rebuild our header view so we remove most of the header data        {           hideHeaderView(gExpandedHeaderView);          gExpandedHeaderView = {};          initializeHeaderViewTables();         }                        gViewAllHeaders = false;      }      ClearCurrentHeaders();      gBuiltExpandedView = false;      gBuiltCollapsedView = false;      gBuildAttachmentsForCurrentMsg = false;      gBuildAttachmentPopupForCurrentMsg = true;      ClearAttachmentTreeList();      ClearEditMessageButton();    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/eb13ead84fdade33b3cd5ba4c3b36e78105134a5/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js