[Dependencies]
...

[Add module initialization to App_Doc_Site]

    protected function _beforeDisplay()
    {
        ...
        $this->_initSideBlockContent();
        ...
    }

    protected function _initSideBlockContent()
    {
        if (class_exists('App_SideBlock_View') && 'n' == $this->getOption('system')) {
            $view = new App_SideBlock_View();
            $view->setDoc($this);
            $view->exec();
        }
        return $this;
    }

[sitemap.xml]

    <side-block showInMenu = "y" title = "Side Blocks">
        <item type = "SideBlock_Admin_" />
    </side-block>

[Database changes]

    CREATE TABLE IF NOT EXISTS `qs_SideBlock` (
      `id` int(11) NOT NULL AUTO_INCREMENT,
      `title` varchar(255) NOT NULL DEFAULT '',
      `content` text NOT NULL,
      `blockType` varchar(50) NOT NULL DEFAULT 'html',
      `pageType` enum('all','custom') NOT NULL DEFAULT 'custom',
      `linkType` enum('none','page','url') NOT NULL DEFAULT 'none',
      `linkPageId` int(11) NOT NULL DEFAULT '0',
      `linkTitle` varchar(255) NOT NULL DEFAULT '',
      `linkUrl` varchar(255) NOT NULL DEFAULT '',
      `show` enum('y','n') NOT NULL DEFAULT 'y',
      `added` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
      `changed` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
      PRIMARY KEY (`id`),
      KEY `show` (`show`)
    ) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=17 ;

    CREATE TABLE IF NOT EXISTS `qs_SideBlock2Page` (
      `idSideBlock` int(11) NOT NULL DEFAULT '0',
      `idPage` int(11) NOT NULL DEFAULT '0',
      `auto` enum('y','n') NOT NULL DEFAULT 'n',
      `sorter` int(11) NOT NULL DEFAULT '0',
      PRIMARY KEY (`idSideBlock`,`idPage`,`auto`),
      KEY `idRightBlock` (`idSideBlock`),
      KEY `idPage` (`idPage`)
    ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
    

[SQL for removing broken links]    
DELETE `SideBlock2Page`
FROM `qs_SideBlock2Page` AS `SideBlock2Page`
LEFT JOIN `qs_SideBlock` AS `SideBlock`
    ON `SideBlock`.`id` = `SideBlock2Page`.`idSideBlock`
LEFT JOIN `qs_Page` AS `Page`
    ON `Page`.`id` = `SideBlock2Page`.`idPage`
WHERE `SideBlock`.`id` IS NULL 
    OR `Page`.`id` IS NULL;