var xhr = null; 
						function getXhr()
						{
						     if(window.XMLHttpRequest)xhr = new XMLHttpRequest(); 
						else if(window.ActiveXObject)
						  { 
						  try{
						     xhr = new ActiveXObject("Msxml2.XMLHTTP");
						     } catch (e) 
						     {
						     xhr = new ActiveXObject("Microsoft.XMLHTTP");
						     }
						  }
						else 
						  {
						  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
						  xhr = false; 
						  } 
						}

					function ShowArrivee(file,id,koi)
						{
						getXhr()
						xhr.onreadystatechange = function()
						    {
						     if(xhr.readyState == 4 && xhr.status == 200)
						     {
						     document.getElementById('results').innerHTML=xhr.responseText;
						     }
						    }
						xhr.open("GET",file+"?"+koi+"="+id,true);
						xhr.send(null);
						}