r = null //it points to jquery object of a note

			function postman(message){
				var p = document.getElementById('postman');
				p.getElementsByClassName('body')[0].innerHTML = message;
				p.className = 'open';
				setTimeout(() => {
				  p.className = ''
				}, 7000);
			}

			function hidePostman(){
				document.getElementById('postman').className = '';
			}

			function setUpDatabases(){
			    
			    console.log('setting up databases')
			    data_path = localStorage.db_location
			    db = {}
			 