function popup(url, name, features) {
	var defaultfeatures='scrollbars=yes,resizable=yes,width=480,height=200,left=200,top=200'
		if (features == null ) { 
			features = defaultfeatures;
			}
		if (name == null ) {
			name = 'popup'
			}
		window.open(url, name, features);
	}
	
 
 
function logoutUser() {
if (window.confirm('Log Out?')) 
    top.location='/logout.php';
else
    return false;
}