rem: gDBView.loadMessageByMsgKey(messageKey);  if (gDBView.keyForFirstSelectedMessage == nsMsgKey_None) 
add:  if (nsMsgKey_None == gDBView.keyForFirstSelectedMessage) { gDBView.loadMessageByMsgKey(messageKey); 
context: function LoadMessageByMsgKey(messageKey){  gDBView.loadMessageByMsgKey(messageKey);  if (gDBView.keyForFirstSelectedMessage == nsMsgKey_None)    UpdateMailToolbar("update toolbar for message Window");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/99b2ca919bf3c596c2567b43a545970684b2505a/messageWindow.js/buggy/mailnews/base/resources/content/messageWindow.js