// Smart Close: minimize Cisco Secure Client, close everything else.
registerShortcut(
    "SmartCloseWindow",
    "Smart Close Window (minimize Cisco Secure Client)",
    "Ctrl+Alt+Shift+F4", // placeholder default; rebind to your real close shortcut
    function () {
        var w = workspace.activeWindow;
        if (!w) {
            return;
        }
        var cls = String(w.resourceClass).toLowerCase();
        if (cls.indexOf("secureclient") !== -1) {
            w.minimized = true;
        } else {
            w.closeWindow();
        }
    }
);