function Ajax(Nom, Mail, Com, Id) 
{ 
  var OAjax; 
  if (window.XMLHttpRequest) OAjax = new XMLHttpRequest(); 
  else if (window.ActiveXObject) OAjax = new ActiveXObject('Microsoft.XMLHTTP'); 
  OAjax.open('POST',"ajax/envoi.php",true); 
  OAjax.onreadystatechange = function() 
  { 
      if (OAjax.readyState == 4 && OAjax.status==200) 
      { 
          if (document.getElementById) 
          {    
                    document.getElementById('error').innerHTML=OAjax.responseText; 
					if (OAjax.responseText == '<font color="green">Commentaire envoyer</font> '){
					cacher('form')
					document.forms.formu.reset();}
          }      
      } 
  } 
  OAjax.setRequestHeader('Content-type','application/x-www-form-urlencoded'); 
  OAjax.send('Nom='+Nom+'&Mail='+Mail+'&Com='+Com+'&Id='+Id);                  
} 
function com_Ajax(Id,Page) 
{ 
  var OAjax; 
  if (window.XMLHttpRequest) OAjax = new XMLHttpRequest(); 
  else if (window.ActiveXObject) OAjax = new ActiveXObject('Microsoft.XMLHTTP'); 
  OAjax.open('POST',"ajax/com.php",true); 
  OAjax.onreadystatechange = function() 
  { 
      if (OAjax.readyState == 4 && OAjax.status==200) 
      { 
          if (document.getElementById) 
          {    
                    document.getElementById('com').innerHTML=OAjax.responseText; 
          }      
      } 
	  else
	  {document.getElementById('com').innerHTML='<center>Chargement ...</center>'; }
  } 
  OAjax.setRequestHeader('Content-type','application/x-www-form-urlencoded'); 
  OAjax.send('Id='+Id+'&Page='+Page);                  
}