php/www/protected/modules/o2o/O2oModule.php

<?php
class O2oModule extends CWebModule
{
    public function init()
    {
        $this->setImport(array(
            'o2o.controllers.*',
            'o2o.components.*',

        ));
    }
    public function beforeControllerAction($controller, $action)
    {
        $controller->layout = '//layouts/o2o';

        if(parent::beforeControllerAction($controller, $action))
        {

            return true;
        }
        else
            return false;
    }
}