rem: prompter.checkForUpdates(window); 
add: prompter.checkForUpdates(); 
context: function checkForUpdates(){  var prompter = Components.classes["@mozilla.org/updates/update-prompt;1"]                           .createInstance(Components.interfaces.nsIUpdatePrompt);  prompter.checkForUpdates(window);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/15186db38c0ba12336c805cd4e6b137bf23fd81e/mailWindowOverlay.js/buggy/mail/base/content/mailWindowOverlay.js