/**
	 * Combine the language default options with any site-specific options
	 * and add the default language variants.
	 *
	 * @return array
	 * @static
	 * @access private
	 */
	function getDefaultOptions() {
		/**
		 * Site defaults will override the global/language defaults
		 */
		global $wgContLang, $wgDefaultUserOptions;
		$defOpt = $wgDefaultUserOptions + $wgContLang->getDefaultUserOptions();

		/**
		 * default language setting
		 */
		$variant = $wgContLang->getPreferredVariant();
		$defOpt['variant'] = $variant;
		$defOpt['language'] = $variant;

		return $defOpt;
	}