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//
// Initialise user settings on page load
function init_userprefs($userdata)
{
	global $board_config, $theme, $images;
	global $template, $lang, $phpEx, $phpbb_root_path, $db;
	global $nav_links;

	if ( $userdata['user_id'] != ANONYMOUS )
	{
		if ( !empty($userdata['user_lang']))
		{
			$default_lang = phpbb_ltrim(basename(phpbb_rtrim($userdata['user_lang'])), "'");
		}

		if ( !empty($userdata['user_dateformat']) )
		{
			$board_config['default_dateformat'] = $userdata['user_dateformat'];
		}

		if ( isset($userdata['user_timezone']) )
		{
			$board_config['board_timezone'] = $userdata['user_timezone'];
		}
	}
	else
	{
		$default_lang = phpbb_ltrim(basename(phpbb_rtrim($board_config['default_lang'])), "'");
	}

	if ( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) )
	{
		if ( $userdata['user_id'] != ANONYMOUS )
		{
			// For logged in users, try the board default language next
			$default_lang = phpbb_ltrim(basename(phpbb_rtrim($board_config['default_lang'])), "'");
		}
		else
		{
			// For guests it means the default language is not present, try english
			// This is a long shot since it means serious errors in the setup to reach here,
			// but english is part of a new install so it's worth us trying
			$default_lang = 'english';
		}

		if ( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) )
		{
			message_die(CRITICAL_ERROR, 'Could not locate valid language pack');
		}
	}

	// If we've had to change the value in any way then let's write it back to the database
	// before we go any further since it means there is something wrong with it
	if ( $userdata['user_id'] != ANONYMOUS && $userdata['user_lang'] !== $default_lang )
	{
		$sql = 'UPDATE ' . USERS_TABLE . "
			SET user_lang = '" . $default_lang . "'
			WHERE user_lang = '" . $userdata['user_lang'] . "'";

		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(CRITICAL_ERROR, 'Could not update user language info');
		}

		$userdata['user_lang'] = $default_lang;
	}
	elseif ( $userdata['user_id'] === ANONYMOUS && $board_config['default_lang'] !== $default_lang )
	{
		$sql = 'UPDATE ' . CONFIG_TABLE . "
			SET config_value = '" . $default_lang . "'
			WHERE config_name = 'default_lang'";

		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(CRITICAL_ERROR, 'Could not update user language info');
		}
	}

	      $userdata['user_lang'] = $default_lang;
   }
    elseif ( $userdata['user_id'] === ANONYMOUS && $board_config['default_lang'] !== $default_lang )

	include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_main.' . $phpEx);

	if ( defined('IN_ADMIN') )
	{
		if( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.'.$phpEx)) )

   }
   $board_config['default_lang'] = $default_lang
		}

		include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.' . $phpEx);
	}

	//
	// Set up style
	//