theme cleanup

include/auth.php

@@ -42,6 +42,8 @@ else {
 	unset($_SESSION['visitor_id']);
 	unset($_SESSION['administrator']);
 	unset($_SESSION['cid']);
+	unset($_SESSION['theme']);
+
 	$encrypted = hash('whirlpool',trim($_POST['password']));
 
 	if((x($_POST,'auth-params')) && $_POST['auth-params'] == 'login') {

include/nav.php

@@ -40,3 +40,4 @@ if(x($_SESSION['uid'])) {
 	}
 
 	$a->page['nav'] .= "</span>\r\n<span id=\"nav-end\"></span>\r\n";
+	$a->page['nav'] .= '<span id="banner">mistpark</span>';