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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/62a0b45d57fb17afe2d9469eaa36e3eb8e47155f/junkMail.js/clean/mailnews/base/resources/content/junkMail.js