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/cf84a2f72fcc6509012a57f0f77e7370c0b50176/utilityOverlay.js/clean/browser/base/content/utilityOverlay.js