function makePhotoVisible(photo) {
	document.getElementById("photo_a").style.display = "none";
	document.getElementById("photo_b").style.display = "none";
	document.getElementById("photo_c").style.display = "none";
	document.getElementById("photo_d").style.display = "none";
	document.getElementById(photo).style.display = "block";
}
function makeMenuVisible(size,list) {
	document.getElementById("list_L").style.display = "none";
	document.getElementById("list_M").style.display = "none";
	document.getElementById("list_S").style.display = "none";
	document.getElementById("list_C").style.display = "none";
	document.getElementById("list_W").style.display = "none";
	document.getElementById("size_L").style.textDecoration = "underline";
	document.getElementById("size_M").style.textDecoration = "underline";
	document.getElementById("size_S").style.textDecoration = "underline";
	document.getElementById("size_C").style.textDecoration = "underline";
	document.getElementById("size_W").style.textDecoration = "underline";
	document.getElementById("size_L").style.color = "#777";
	document.getElementById("size_M").style.color = "#777";
	document.getElementById("size_S").style.color = "#777";
	document.getElementById("size_C").style.color = "#777";
	document.getElementById("size_W").style.color = "#777";
	document.getElementById("size_L").style.cursor = "pointer";
	document.getElementById("size_M").style.cursor = "pointer";
	document.getElementById("size_S").style.cursor = "pointer";
	document.getElementById("size_C").style.cursor = "pointer";
	document.getElementById("size_W").style.cursor = "pointer";
	document.getElementById(list).style.display = "block";
	document.getElementById(size).style.textDecoration = "none";
    document.getElementById(size).style.color = "#FFF";
	document.getElementById(size).style.cursor = "auto";
}