function launchaurora() {
	var parms = "top=" + 0 + ",left=" + 0 + ",height=" + screen.height + ",width=" + screen.width + ",toolbar=0,resizable=1";
	var win = window.open('aurora.html','aurora',parms)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	return win;
}