function showReg(){
	var overlay = document.getElementById("overlay");
	var lightbox = document.getElementById("lightbox");
	lightbox.style.display = "";
	overlay.style.display = "";
}
function hideReg(){
	var overlay = document.getElementById("overlay");
	var lightbox = document.getElementById("lightbox");
	lightbox.style.display = "none";
	overlay.style.display = "none";
}