function showCar(thechosenone) {
      var car = document.getElementsByTagName("div");
            for(var x=0; x<car.length; x++) {
                  name = car[x].getAttribute("name");
                  if (name == 'car') {
                        if (car[x].id == thechosenone) {
                        car[x].style.display = 'block';
                  }
                  else {
                        car[x].style.display = 'none';
                  }
            }
      }
}