function showLayer(layer) {
	document.getElementById(layer).style.display = "";
}

function hideLayer(layer) {
	document.getElementById(layer).style.display = "none";
}

function openWindow(url,title) {
	window.open(url,title,"width=575,height=300,location=0,status=0,scrollbars=1");
}

function closeWindow() {
	window.close();
}