// JavaScript Document
function fechar_layer() {
	document.getElementById("Ly1").style.width = 0 + "px";
	document.getElementById("Ly1").style.height = 0 + "px";
	document.getElementById("Ly1").style.visibility = "hidden";
}
function abrir_layer() {
	//var sw = getPageSizeWithScroll();
	document.getElementById("Ly1").style.width = "100%";
	document.getElementById("Ly1").style.height = "100%";
	document.getElementById("Ly1").style.visibility = "visible";
}