Mage::getModel('core/session')->setAutoWebsiteId(1);

Mage::getModel('core/session')->getAutoWebsiteId();

$adminhtml  = Mage::getModel('pulsestorm_crossareasession/manager')
->getSessionData('adminhtml');

$frontend   = Mage::getModel('pulsestorm_crossareasession/manager')
->getSessionData('frontend');