third_party/js/mozmill/shared-modules/utils.js
function getDefaultHomepage() {
  var preferences = prefs.preferences;

  var prefValue = preferences.getPref("browser.startup.homepage", "",
                                      true, Ci.nsIPrefLocalizedString);
  return prefValue.data;
}
function getDefaultHomepage() {
  var preferences = prefs.preferences;

  var prefValue = preferences.getPref("browser.startup.homepage", "",
                                      true, Ci.nsIPrefLocalizedString);
  return prefValue.data;
}
function getDefaultHomepage ( ) { var preferences = prefs . preferences ; var prefValue = preferences . getPref ( "browser.startup.homepage" , "" , true , Ci . nsIPrefLocalizedString ) ; return prefValue . data ; }
Returns the default home page

@return The URL of the default homepage
@type string
Returns the default home page