//¹Ù·Î°¡±â¸ÞÆ© º¸À̱⠰¨Ãß±â

function toggleLayer(id)
{
	var div = document.getElementById(id);

	if(div.style.display == "none")
		div.style.display = "block";
	     
	else
		div.style.display = "none";
}