// JavaScript Document
function show() {
	a = document.getElementById("gallery1");
	b = document.getElementById("gallery2");
	c = document.getElementById("gallery3");
	d = document.getElementById("gallery4");
	a.style.display = "block";
	b.style.display = "block";
	c.style.display = "block";
	d.style.display = "block";
}

function hide() {
	a = document.getElementById("gallery1");
	b = document.getElementById("gallery2");
	c = document.getElementById("gallery3");
	d = document.getElementById("gallery4");
	a.style.display = "none";
	b.style.display = "none";
	c.style.display = "none";
	d.style.display = "none";
}