function SendMess(mess)
{

    var xhr=null;
    if (window.XMLHttpRequest) { 
        xhr = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) 
    {
        xhr = new ActiveXObject("Microsoft.XMLHTTP");
    }
    xhr.onreadystatechange = function() { alert_ajax(xhr);};
    xhr.open('POST', 'http://www.hyper-lien.com/dismoi.php', true);
    xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded;charset=ISO-8891-1');
    xhr.setRequestHeader("Connection", "close");
      xhr.send(mess);
}
function alert_ajax(xhr)
{
    if (xhr.readyState==4) 
    {
  if (xhr.status == 200) {
        
document.getElementById('comment').innerHTML = xhr.responseText;}}}