protected function _initAction()
    {
        $this->loadLayout()
            ->_setActiveMenu('system/aoe_profiler')
            ->_addBreadcrumb(Mage::helper('aoe_profiler')->__('System'),
                Mage::helper('aoe_profiler')->__('System'))
            ->_addBreadcrumb(Mage::helper('aoe_profiler')->__('AOE Profiler'),
                Mage::helper('aoe_profiler')->__('AOE Profiler'));
        return $this;
    }