add:  NotifyClearAddresses(); 
context:     onEndHeaders: function()     {      // WARNING: This is the ONLY routine inside of the message Header Sink that should       // trigger a reflow!      // (1) clear out the email fields for to, from, cc....      ClearEmailField(msgPaneData.FromValue);      ClearEmailFieldWithButton(msgPaneData.ToValueShort);      ClearEmailFieldWithButton(msgPaneData.CcValueShort);      ClearEmailFieldWithButton(msgPaneData.ToValueLong);      ClearEmailFieldWithButton(msgPaneData.CcValueLong);      // be sure to re-hide the toggle button, we'll re-enable it later if we need it...      msgPaneData.ToValueToggleIcon.setAttribute('hideNonBox', 'true');      msgPaneData.CcValueToggleIcon.setAttribute('hideNonBox', 'true');      //hdrViewSetVisible(msgPaneData.ToValueToggleIcon, false);      //hdrViewSetVisible(msgPaneData.CcValueToggleIcon, false);            ShowMessageHeaderPane();      UpdateMessageHeaders();    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/25cce7d82625b76039e594a301e48251f783273e/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js