text: let mainNav = document.getElementById('menu');
  let selectedFile = null;
  
  function changeMenu(x) {
    x.classList.toggle('change');
    mainNav.classList.toggle('active');
  };
  
  function uploadFunction() {
  	document.getElementById('upFile').click();
  };
  
  function handleFileUploadChange(e) {
  	selectedFile = e.target.files[0];
  	alert(selectedFile.name);
  	const uploadTask = storageRef.child('images/'+selectedFile.name).put(selectedFile);
  
  	uploadTask.on('state_changed', (error) => {
  	// Handle unsuccessful uploads
  	console.log(error);
  	}, () => {
  	 // Do something once upload is complete
  	 console.log('success');
  
  	 var imgSource = storageRef.child('images/'+selectedFile.name).getDownloadURL();
  	 var newImg = document.createElement("IMG");
  	 newImg.setAttribute("src", imgSource);
  	 document.getElementById('one').appendChild(newImg);
  	});
  };
  
  document.querySelector('#upFile').addEventListener('change', handleFileUploadChange);
  