rem: prompter.checkForUpdates(); 
add: prompter.checkForUpdates(window); 
context: function checkForUpdates(){  var prompter = Components.classes["@mozilla.org/updates/update-prompt;1"]                           .createInstance(Components.interfaces.nsIUpdatePrompt);  prompter.checkForUpdates();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/69e934fc4056f65352796ba933fb61bf185741d7/mailWindowOverlay.js/clean/mail/base/content/mailWindowOverlay.js