function overlaycontact() {
	document.getElementById('overlay').style.display = 'block';
	document.getElementById('lightbox').style.display = 'block';
	document.getElementById('lightbox-goodbye').style.display = 'block';
}
function overlayhide() {
	document.getElementById('lightbox').style.display = 'none';
	document.getElementById('lightbox-goodbye').style.display = 'none';
}