if (Notification.permission === 'granted') {
localStorage.setItem('notification-permissions', ckbox.val()==1 ? 'granted' : 'denied');
} else if (Notification.permission === 'denied') {
localStorage.setItem('notification-permissions', 'denied');
if (Notification.permission === 'granted') {
localStorage.setItem('notification-permissions', ckbox.val()==1 ? 'granted' : 'denied');
} else if (Notification.permission === 'denied') {
localStorage.setItem('notification-permissions', 'denied');