rem: var selectedFolders = GetSelectedMsgFolders(); 
add: var selectedFolders = GetSelectedMsgFolders(); 
context: function IsOfflineSettingsEnabled(){    var selectedFolders = GetSelectedMsgFolders();    if (selectedFolders && (selectedFolders.length == 1))        return selectedFolders[0].supportsOffline;           return false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4ef34e1cf9a252ce2524634b9d502992e1411965/mailWindowOverlay.js/buggy/mailnews/base/resources/content/mailWindowOverlay.js