var AjaxObject = CreateAjaxObject();

function ShowMailForm()
{
  var Form = document.getElementById('mail_form');
  if(Form.style.display == "block")
    Form.style.display = "none";
  else
    Form.style.display = "block";
}

function SendMail()
{
  var Email = document.getElementById('email_box').value;
  var Title = document.getElementById('email_title').value;
  var Message = document.getElementById('email_message').value;
  if(Email == "" || Message == "" || Title == "")
  {
    alert("Все поля должны быть заполнены.");
    return;
  }
  var Query = "email_box=" + Email + "&email_title=" +  Title + "&email_message=" + Message;
  alert(Query);
  AjaxObject.ExecutePOST("ajax/ajax_send_mail.php", Query, SendMailRequest, false, "mail_form"); 
}

function SendMailRequest(XML)
{
  if(XML.getElementsByTagName('result').item(0).firstChild.data == "0")
  {
    document.getElementById('mail_form').style.display = "none";
    alert("Сообщение отправлено. В ближайшее время мы Вам ответим.");
  }
  else
    alert(XML.getElementsByTagName('result_text').item(0).firstChild.data);
}