rem: return false; 
add: return false; 
context: function IsThreadAndMessagePaneSplitterCollapsed(){  var messagePane = GetMessagePane();  try {    return (messagePane.getAttribute("collapsed") == "true");	}  catch (ex) {		return false;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/967ca5e0537b68fd43fa9fd506a987a11f8953fc/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js