rem: var folderOutliner = GetFolderOutliner(); 
add: var folderTree = GetFolderTree(); 
context: function GetSelectedFolderIndex(){    var folderOutliner = GetFolderOutliner();    var startIndex = {};    var endIndex = {};    folderOutliner.outlinerBoxObject.selection.getRangeAt(0, startIndex, endIndex);    return startIndex.value;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js