public function beforeSave($options = array())
 {
     parent::beforeSave($options);
     if (is_array($this->data['Supplier']['supplier_type']) && !empty($this->data['Supplier']['supplier_type'])) {
         $this->data['Supplier']['supplier_type'] = serialize($this->data['Supplier']['supplier_type']);
     } else {
         $this->data['Supplier']['supplier_type'] = '';
     }
     if (is_array($this->data['Supplier']['employee_rep']) && !empty($this->data['Supplier']['employee_rep'])) {
         $this->data['Supplier']['employee_rep'] = serialize($this->data['Supplier']['employee_rep']);
     } else {
         $this->data['Supplier']['employee_rep'] = '';
     }
     return true;
 }
 function beforeSave($options = array())
 {
     parent::beforeSave($options);
 }