function message()
{
  var xhr_object = null; 
  
	if(window.XMLHttpRequest) xhr_object = new XMLHttpRequest(); // Firefox   
	else if(window.ActiveXObject) xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); // Internet Explorer 
	else // XMLHttpRequest non supporté par le navigateur 
	{ 
	  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
	  return; 
	}
	xhr_object.open("POST", "../../../contact/message.php", true); 
    
  xhr_object.onreadystatechange = function() 
  { 
    //if(xhr_object.readyState < 4) roue_visible() ;
    //else if(xhr_object.readyState == 4)
		if(xhr_object.readyState == 4)
    {
      //roue_invisible() ;
      if (xhr_object.responseText == "ok") 
      {
        alert("MESSAGE ENVOYE") ;
        document.getElementById("email").value="" ;
        document.getElementById("msg").value="" ;
      }
      else 
      {
        alert(xhr_object.responseText) ;
        document.getElementById("email").focus() ;
      }
    }
  } 

  xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
  var data = "email=" + document.getElementById("email").value  ;
	data += "&parag_id=" + parag_id ;
  data += "&msg=" + document.getElementById("msg").value ; 
  xhr_object.send(data); 
}