function searchAction() {
  
      // get db adapter and session data
      $db = Zend_Registry::get('db');
      $db->setFetchMode(Zend_Db::FETCH_OBJ);
      $search = new Zend_Session_Namespace('search');
      $settings = new SettingsTable;
      $pageLimit = $settings->fetchRow('title = "pageLimit"');

      // if isset post data then set new search variables
      if($this->_request->isPost()) {

         $search->where = NULL;
      
         // set where
         foreach($this->_request->getPost() as $name => $value)
            $post[$name] = $value;
         if(!empty($post['advertisementType']))
            $search->where .= ('(advertisements.advertisementType = '.intval($post['advertisementType'])).') AND ';
         if(!empty($post['propertyType']))
            $search->where .= ('(advertisements.propertyType = '.intval($post['propertyType'])).') AND ';
         if(!empty($post['province']))
            $search->where .= ('(advertisements.province = '.intval($post['province'])).') AND ';        
         if(!empty($post['city']))
            $search->where .= ('(advertisements.city LIKE "%'.$post['city'].'%"').') AND ';          
         if(!empty($post['street']))
            $search->where .= ('(advertisements.street LIKE "%'.$post['street'].'%"').') AND ';
         if(!empty($post['priceFrom']))
            $search->where .= ('(advertisements.price > '.floatval($post['priceFrom'])).') AND ';            
         if(!empty($post['priceFor']))
            $search->where .= ('(advertisements.price < '.floatval($post['priceFor'])).') AND ';      
         if(!empty($post['areaSizeFrom']))
            $search->where .= ('(advertisements.areaSize > '.intval($post['areaSizeFrom'])).') AND ';            
         if(!empty($post['areaSizeFor']))
            $search->where .= ('(advertisements.areaSize < '.intval($post['areaSizeFor'])).') AND ';            
         if(!empty($post['liczbapieterFrom']))
            $search->where .= ('(advertisements.liczbapieter > '.intval($post['liczbapieterFrom'])).') AND ';            
         if(!empty($post['liczbapieterFor']))
            $search->where .= ('(advertisements.liczbapieter < '.intval($post['liczbapieterFor'])).') AND ';
         if(!empty($post['pietroFrom']))
            $search->where .= ('(advertisements.pietro > '.intval($post['pietroFrom'])).') AND ';            
         if(!empty($post['pietroFor']))
            $search->where .= ('(advertisements.pietro < '.intval($post['pietroFor'])).') AND ';
         if(!empty($post['liczbapokoiFrom']))
            $search->where .= ('(advertisements.liczbapokoi > '.intval($post['liczbapokoiFrom'])).') AND ';            
         if(!empty($post['liczbapokoiFor']))
            $search->where .= ('(advertisements.liczbapokoi < '.intval($post['liczbapokoiFor'])).') AND ';
         if(!empty($post['keyword']))
            $search->where .= ('(advertisements.otherInfo LIKE "%'.$post['keyword'].'%"').') AND ';
         if(!empty($post['nrofer']))
            $search->where .= ('(advertisements.nrofer LIKE "%'.$post['nrofer'].'%"').') AND ';
         $search->where = substr($search->where, 0, (strlen($search->where)-4));
            
      }

      if(!empty($search->where) && $this->_request->getParam('page') >= 1) {
      
         // get count finded advertisements
         $advertisements = new AdvertisementsTable;
         $select = $advertisements->select();
         $select->from($advertisements, 'count(id) as count')
                ->where($search->where);
         $row = $advertisements->fetchRow($select);
         $this->view->search = true;
      
         if($row->count > 0) {
        
            // create final query
            $select = $db->select();
            $select->from('advertisements', array('id', 'nrofer', 'liczbapieter', 'pietro', 'liczbapokoi', 'areaSize', 'areaSize', 'price', 'description', 'city', 'announceDate', 'promo'))
                   ->joinInner('propertyTypes', 'propertyTypes.id = advertisements.propertyType', 'type as propertyType')
                   ->joinInner('advertisementTypes', 'advertisementTypes.id = advertisements.advertisementType', 'type as advertisementType')
                   ->joinInner('provinces', 'provinces.id = advertisements.province', 'province')
                   ->joinLeft('images', 'images.advertisementId = advertisements.id', 'image')
                   ->where($search->where)
                   ->where('dayCounter > 0')
                   ->group('id')
                   ->order(array('promo DESC', 'announceDate DESC'))
                   ->limit($pageLimit->value, ($this->_request->getParam('page')-1)*$pageLimit->value);
        
            $result = $db->query($select);
            $this->view->advertisements = $result->fetchAll();
      
            // set pages parameters
            $this->view->pagesLink = 'adv/search/';
            $this->view->pagesCount = $row->count;
            $this->view->pagesLimit = $pageLimit->value;
            $this->view->pagesCurrent = $this->_request->getParam('page');
            
         }
      
      }
  
   }