function replace(toReplace) {
	if (toReplace == "portal_online") {
	document.getElementById("portal_main").style.visibility = "hidden";
	document.getElementById("portal_online").style.visibility = "visible";
	}
	if (toReplace == "portal_print") {
	document.getElementById("portal_main").style.visibility = "hidden";
	document.getElementById("portal_print").style.visibility = "visible";
	}
	if (toReplace == "portal_event") {
	document.getElementById("portal_main").style.visibility = "hidden";
	document.getElementById("portal_event").style.visibility = "visible";
	}
}
function moveOut() {
	document.getElementById("portal_main").style.visibility = "visible";
	document.getElementById("portal_online").style.visibility = "hidden";
	document.getElementById("portal_print").style.visibility = "hidden";
	document.getElementById("portal_event").style.visibility = "hidden";
}