function hideAll()
{
	brand1.style.display = "none";
	brand2.style.display = "none";
	brand3.style.display = "none";
	brand4.style.display = "none";
	brand5.style.display = "none";
	brand6.style.display = "none";
	brand7.style.display = "none";
}

function modelList(brand){
      hideAll();
      var DivShow = document.getElementById('brand'+brand);
      DivShow.style.display = "block";
}