function Goster(x)
{
	document.getElementById ("product1").style.display = "none";
	document.getElementById ("product2").style.display = "none";
	document.getElementById ("product3").style.display = "none";
	document.getElementById ("product4").style.display = "none";
	document.getElementById ("product5").style.display = "none";

	document.getElementById ("product"+x).style.display = "block";
}