// JavaScript Document
  function checkForm() {
contact_name = document.getElementById("contact_name").value;
email = document.getElementById("email").value;
phone = document.getElementById("phone").value;

 
  if (contact_name == "") {
  hideAllErrors();
document.getElementById("contact_nameError").style.display = "inline";
document.getElementById("contact_name").select();
document.getElementById("contact_name").focus();
  return false;
  } else if (email == "") {
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
document.getElementById("email").focus();
  return false;
  } else if (phone == "") {
hideAllErrors();
document.getElementById("phoneError").style.display = "inline";
document.getElementById("phone").select();
document.getElementById("phone").focus();
  return false;
  }
  
  
  return true;
  }
 
  function hideAllErrors() {
document.getElementById("contact_nameError").style.display = "none"
document.getElementById("emailError").style.display = "none"
document.getElementById("phoneError").style.display = "none"

  }