header('Content-Type: text/html; charset=iso-8859-2');
 function ajaxFunction(){
 var ajaxRequest;

try{
 ajaxRequest = new XMLHttpRequest();
 } catch (e){
 try{
 ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
 try{
 ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
 } catch (e){
 alert("Your browser broke!");
 return false;
 }
 }
 }

ajaxRequest.onreadystatechange = function(){
 if(ajaxRequest.readyState == 4){
 var ajaxDisplay = document.getElementById('ajaxDiv');
 ajaxDisplay.innerHTML = ajaxRequest.responseText;
 }
 }
 var mid = document.getElementById('mid').value;
 var queryString = "?mid=" + mid;
 ajaxRequest.open("GET", "modele.php" + queryString, true);
 ajaxRequest.send(null);
 }