rem:  setupForAccountFromFolder(window.arguments[0].folder.URI); 
add: setupForAccountFromFolder(window.arguments[0].folder ? window.arguments[0].folder.URI : null); 
context: function onJunkMailLoad(){  gMessengerBundle = document.getElementById("bundle_messenger");  if (window.arguments && window.arguments[0]) {    // XXX todo, what if no folder?    setupForAccountFromFolder(window.arguments[0].folder.URI);  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/94f4801269256f9c932b96ad3dbab41f65d33d45/junkMail.js/clean/mailnews/base/resources/content/junkMail.js