PanState=1;
function SwitchPanel() {
	if (PanState==0) {
		document.all.panel.style.visibility = "visible";
		document.all.logo.src = "img/logo-2.gif";
		PanState=1;
	} else {
		document.all.panel.style.visibility = "hidden";
		document.all.logo.src = "../img/s.gif";
		PanState=0;
	}
}