rem: return null; 
context: function getAccountFromServerId(serverId) {  // get the account by dipping into RDF and then into the acount manager  var serverResource = RDF.GetResource(serverId);  try {    var serverFolder =      serverResource.QueryInterface(Components.interfaces.nsIMsgFolder);    var incomingServer = serverFolder.server;    var account = accountManager.FindAccountForServer(incomingServer);    return account;  } catch (ex) {    return null;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a54c1e81862552407f4d1ce2150887df825b7ea1/AccountManager.js/buggy/mailnews/base/prefs/resources/content/AccountManager.js