rem: server.PerformExpand(msgWindow); 
add: server.performExpand(msgWindow); 
context: function FolderPaneDoubleClick(folderIndex, event){    var folderOutliner = GetFolderOutliner();    var folderResource = GetFolderResource(folderOutliner, folderIndex);    var msgFolder = folderResource.QueryInterface(Components.interfaces.nsIMsgFolder);    var isServer = GetFolderAttribute(folderOutliner, folderResource, "IsServer");    if (isServer == "true")    {      if (folderOutliner.outlinerBoxObject.view.isContainerOpen(folderIndex))        msgFolder.clearFlag(MSG_FOLDER_FLAG_ELIDED);      else       {        msgFolder.setFlag(MSG_FOLDER_FLAG_ELIDED);        var server = msgFolder.server;        server.PerformExpand(msgWindow);      }    }    else     {      // Open a new msg window only if we are double clicking on       // folders or newsgroups.      MsgOpenNewWindowForFolder(folderResource.Value);      // double clicking should not toggle the open / close state of the      // folder.  this will happen if we don't prevent the event from      // bubbling to the default handler in outliner.xml      event.preventBubble();    }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/9c896ab73619cee64d3d424a21b82d3c9ce6651c/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js