add:   SetUpJunkBar(null); 
context: function ClearMessagePane(){	if(gHaveLoadedMessage)	{	    gHaveLoadedMessage = false;		gCurrentDisplayedMessage = null;    if (GetMessagePaneFrame().location != "about:blank")        GetMessagePaneFrame().location = "about:blank";    // hide the message header view AND the message pane...		HideMessageHeaderPane();	}}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5df8ac3e9a00b543f74ee01faf451d395dabbf3e/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js