protected function getRandomBlockerId()
	{
	    $this->getSession('RandomBlocker'.$this->module_id);
	    if ( count($this->_session) )
	    {
	        $key   = key($this->_session);
	        $value = current($this->_session);
	        unset($value);	        
	        reset($this->_session);
	        //DEBUG log_message('getRandomBlockerId BannerID:'.$key,'Banner.log');
	        return $key;
	    }
	    return 0;
	}