function checkForm() {
  name = document.getElementById("name").value;
  email = document.getElementById("email").value;
  text = document.getElementById("text").value;
   
  if (name == "") {
  hideAllErrors();
  document.getElementById("nameError").style.display = "block";
  document.getElementById("name").select();
  document.getElementById("name").focus();
  return false;
  } 
  
  else if (email == "") {
  hideAllErrors();
  document.getElementById("emailError").style.display = "block";
  document.getElementById("email").select();
  document.getElementById("email").focus();
  return false;
  } 
  else if (text == "") {
  hideAllErrors();
  document.getElementById("textError").style.display = "block";
  document.getElementById("text").select();
  document.getElementById("text").focus();
  return false;
  }   
  return true;
  }

  function hideAllErrors() {
  document.getElementById("nameError").style.display = "none"
  document.getElementById("emailError").style.display = "none"
  document.getElementById("textError").style.display = "none"
  }