rem: return CanDropBeforeAfterFolderOutliner(index, before); 
add: return CanDropBeforeAfterFolderTree(index, before); 
context:     canDropBeforeAfter: function(index, before)    {        return CanDropBeforeAfterFolderOutliner(index, before);    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js