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; 
  } 
  return xhr;
}


function file(fichier,div)
{
	
var xhr_object=getXhr();

xhr_object.onreadystatechange  = function()
    { 
         if(xhr_object.readyState  == 4)
         {
              if(xhr_object.status  == 200) 
			  {
               document.getElementById(div).innerHTML= xhr_object.responseText; 
			   if(div=="recherche2")
			  changeActivite();
			  }
			  else 
               document.getElementById(div).innerHTML="Error code " + xhr_object.status;
         }
		 if(xhr_object.readyState  != 4)
		 {
			  document.getElementById(div).innerHTML= "<img src='images/loading.gif' width=25 height=25 style='vertical-align:middle;'>"; 
			  
		 }

    }; 
xhr_object.open("GET", fichier, true);
xhr_object.send(null);


}


function file_retourn(fichier)
{
	var xhr_object=getXhr();

xhr_object.open("GET", fichier, false);
xhr_object.send(null);
if(xhr_object.readyState!=4) return("<div class='loadimage'><center><img src='images/loading.gif' width=25 height=25 style='vertical-align:middle;'></center></div>");
if(xhr_object.readyState == 4) return(xhr_object.responseText);

else return(false);
}

function file1(fichier,div)
{
	
var xhr_object=getXhr();

xhr_object.onreadystatechange  = function()
    { 
         if(xhr_object.readyState  == 4)
         {
              if(xhr_object.status  == 200) 
			  {
               document.getElementById(div).innerHTML= xhr_object.responseText; 
			  
			  }
			  else 
               document.getElementById(div).innerHTML="Error code " + xhr_object.status;
         }
		 if(xhr_object.readyState  != 4)
		 {
			  document.getElementById(div).innerHTML= "<div class='loadimage'><center><img src='images/loading.gif' width=25 height=25 style='vertical-align:middle;'></center></div>"; 
			  
		 }

    }; 
xhr_object.open("GET", fichier, true);
xhr_object.send(null);


}