public function inserta($datos)
 {
     unset($datos['__token']);
     $_campos = Framework::parseaDatosCampos($datos);
     $_previos = $this->_db->query("SELECT * FROM warranties WHERE Folio = '{$datos['Folio']}';");
     if (count($_previos) > 0) {
         return -1;
     } else {
         $_previos = $this->_db->query("SELECT * FROM folios WHERE '{$datos['Folio']}' BETWEEN Initial and Final;");
         if (count($_previos) > 0) {
             $_query = "INSERT INTO warranties SET \r\n\t\t\t\t\t{$_campos},\r\n\t\t\t\t\tDate = CURDATE(),Time = CURTIME();";
             return $this->_db->insertRAW($_query);
         } else {
             return -2;
         }
     }
 }