add:    this.createCharsetMenus(document.getElementById("viewDefaultCharset-menupopup"), "NC:DecodersRoot", document.getElementById('mailnews.view_default_charset').value);  
context:   init: function ()  {    var preference = document.getElementById("mail.preferences.display.selectedTabIndex");    if (preference.value)      document.getElementById("displayPrefs").selectedIndex = preference.value;    this.mInitialized = true;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/09e8cdbd294d5f722af502f36c9445a3f3116c39/display.js/clean/mail/components/preferences/display.js