function menuover(over, s) {
	div = document.getElementById('b'+s);
	if (over == "yes") {
		div.src = 'images/bover' + s + '.jpg';
	}
	else {
		div.src = 'images/b' + s + '.jpg';
	}
}
function show(id) {
	div = document.getElementById(id);
	if (div.style.display == "block") {
		div.style.display = "none";
	}
	else {
		div.style.display = "block";
	}
}

function showvideo(id) {
	image = document.getElementById('image'+id);
	video = document.getElementById('video'+id);
	image.style.display = 'none';
	video.style.display = 'block';
}