$(function() {
  $(".contact-form form").submit(function() {
    if ($("#name").val() == "") {
      alert("Please enter your name");
      return false;
    } else if ($("#email").val() == "" && $("#phone").val() == "") {
      alert("Please enter a phone number or email address so we can get in touch with you");
      return false;
    } else {
      return true
    }
  })
})