gUpdateWizard.setButtonLabels(null, true, "nextButtonText", true, 
gUpdateWizard.setButtonLabels(null, true, "nextButtonText", true, 
  onPageShow: function ()  {    gUpdateWizard.setButtonLabels(null, true,                                   "nextButtonText", true,                                   "cancelButtonText", false);    var em = Components.classes["@mozilla.org/extensions/manager;1"]                       .getService(nsIExtensionManager);    // Synchronize the app compatibility info for all items.    em.update([], 0, nsIExtensionManager.UPDATE_SYNC_COMPATIBILITY, this);  },
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/dd0789ea577a496e2622a164a469a9cb1bcf058d/update.js/clean/toolkit/mozapps/extensions/content/update.js