/**
  * Fungsi inisialisasi form
  */
 public function init()
 {
     parent::init();
     // Form Attribute
     $this->setMethod('get');
     $this->addAttribs(array('id' => 'activitySearchForm', 'action' => $this->_baseUrlHelper->baseUrl() . '/destination/search'));
     $this->setAttrib('accept-charset', 'utf-8');
     // -> Activities
     $categoryDb = new Model_DbTable_Category();
     $category = $categoryDb->getAllButNotMainCategoryForForm($this->_languageId);
     $activity = $this->createElement('select', 'destActivity');
     $activity->setLabel('Activity')->setMultiOptions($category)->setDecorators($this->elementDecorators);
     $this->addElement($activity);
 }