function hideErrorLables() {
  document.getElementById("lblNameError").style.display = "none";
  document.getElementById("lblEmailError").style.display = "none";
  document.getElementById("lblSubjectError").style.display = "none";
  document.getElementById("lblMessageError").style.display = "none";
}

function sendMessage()
{
  hideErrorLables();
  if(validateMessage())
  {
    document.getElementById("pageLoad").value = 'SUBMIT';
    document.getElementById("contactForm").submit();
  }
}

function validateMessage() {

  var validated = true;
  var name = document.getElementById("contactName").value;
  var email = document.getElementById("contactEmail").value;
  var subject = document.getElementById("contactSubject").value;
  var message = document.getElementById("contactMessage").value;

  if (name == "")
  {
    document.getElementById("lblNameError").style.display = "inline";
    validated = false;
  }
  if (email == "" || email.indexOf("@") == -1)
  {
    document.getElementById("contactEmail").value = "";
    document.getElementById("lblEmailError").style.display = "inline";
    validated = false;
  }
  if (subject == "")
  {
    document.getElementById("lblSubjectError").style.display = "inline";
    validated = false;
  }
  if (message == "")
  {
    document.getElementById("lblMessageError").style.display = "inline";
    validated = false;
  }

  return validated;

}

function resetMessage() {
  hideErrorLables();
 
  document.getElementById("contactName").value = "";
  document.getElementById("contactEmail").value = "";
  document.getElementById("contactSubject").value = "";
  document.getElementById("contactMessage").value = "";
}