var list = ['0','1','2','3','4','5','6','7','8'];
function showlayer(id) {
	for(var i=0;i<=list.length-1;i++) {
		document.getElementById(list[i]).style.display = "none";
	}
	document.getElementById(id).style.display = "block";
}

function hidelayer(id)
{
	 document.getElementById(id).style.display = "none";
}