add:  ClearMessagePane(); } 
context: function FolderPaneSelectionChange(){	var tree = GetFolderTree();		if(tree)	{		var selArray = tree.selectedItems;		if ( selArray && (selArray.length == 1) )			ChangeFolderByDOMNode(selArray[0]);		else		{			var threadTree = GetThreadTree();			ClearThreadTreeSelection();			threadTree.setAttribute('ref', null);			ClearMessagePane();		}	}}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/604d0e817b4c39d9ae1db5dc4a2a54aa5d7809a8/commandglue.js/clean/mailnews/base/resources/content/commandglue.js