function GetObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}



function sendEmail()
   {


   var but = document.getElementById('bt_ok');
   var nome = document.getElementById('nome');
   var email= document.getElementById('email');
   var assunto = document.getElementById('assunto');
   var mensagem = document.getElementById('mensagem');
   var message = document.getElementById('boxed');


     //alert(message);

     var upto= GetObject();

  if(upto == null)
  {
   alert("Seu navegador nao suporta AJAX!");
  }

    var url = "../includes/send_message.php?action=check&ryAssunto="+assunto.value+"&ryNome="+nome.value+"&reEmail="+email.value+"&ryMensagem="+mensagem.value;
    url = url+"&sid="+Math.random();

    //debug
  //alert(url);


   upto.onreadystatechange = function()
   {

     if(upto.readyState == 1)
    {

       but.disabled= true;
       nome.disabled = true;
       email.disabled= true;
       assunto.disabled = true;
       mensagem.disabled = true;

    }

    if(upto.readyState == 2)
    {

       but.disabled= true;
       nome.disabled = true;
       email.disabled= true;
       assunto.disabled = true;
       mensagem.disabled = true;

    }


      if(upto.readyState == 4)
      {


            if(upto.responseText == 0)
            {

            but.disabled = false;

               nome.disabled = false;
               email.disabled= false;
               assunto.disabled = false;
               mensagem.disabled = false;
               message.style.visibility = "visible";
              message.innerHTML = "<table height='30' class='divx'><tr><td width='78'>Falha no envio da mensagem</td><td><a href='#' onClick='javascript: closed()'><img border='0' src='../images/close_orig.png'></a></td></tr></table>";
//                                     alert(message.innerHTML);

            }else if(upto.responseText == 1)
            {
              
              message.style.visibility = "visible";
              message.innerHTML = "<table width='560' height='30' class='divx'><tr><td width='520'>Mensagem enviada com sucesso</td><td><a href='#' onClick='javascript: closed()'><img border='0' src='../images/close_orig.png'></a></td></tr></table>";
             // alert(message.innerHTML);
               but.value = "Enviar mensagem";
               nome.disabled = false;
               email.disabled= false;
               assunto.disabled = false;
               mensagem.disabled = false;
               but.disabled = false;
               nome.value="";
               email.value="";
               assunto.value="";
               mensagem.value="";


            }else
            {
               //alert(upto.responseText);

             message.style.visibility = "visible";
              message.innerHTML = "<table height='520' class='divx'><tr><td width='480'>"+upto.responseText+"</td><td width='10'><a href='#' onClick='javascript: closed()'><img border='0' src='../images/close_orig.png'></a></td></tr></table>";

             nome.disabled = false;
             email.disabled= false;
             assunto.disabled = false;
             mensagem.disabled = false;
             but.disabled = false;


            }


      }
   }

   upto.open("GET",url,true);
   upto.send(null);

 }
 function closed()
{
 document.getElementById('boxed').style.display = "none";


}