[AJAX] ajax firefox

Salut,

J'ai un script ajax permettant de refresh des requetes SQL.

Ce script fonctionne sous Internet Explorer mais pas sous Firefox, j'obtient l'erreur suivante :

Citation:

While trying to process the request:

POST ajax/ajax.php HTTP/1.1
Host: www.[...].fr
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://www.[...]/ajax/refresh.php
Authorization: Basic a2hsZW86bXBveng=
Pragma: no-cache
Cache-Control: no-cache

The following error was encountered:

* Invalid Request

Some aspect of the HTTP Request is invalid. Possible problems:

* Missing or unknown request method
* Missing URL
* Missing HTTP Identifier (HTTP/1.0)
* Request is too large
* Content-Length missing for POST or PUT requests
* Illegal character in hostname; underscores are not allowed

Your cache administrator is a@localhost.

Script ajax :
Code:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 function refresh_div() { var xhr_object = null; if(window.XMLHttpRequest) { // Firefox xhr_object = new XMLHttpRequest(); } else if(window.ActiveXObject) { // Internet Explorer xhr_object = new ActiveXObject('Microsoft.XMLHTTP'); } else { // XMLHttpRequest non supporté par le navigateur alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); xhr_object = false; } var method = 'POST'; var filename = 'ajax.php'; xhr_object.open(method, filename, true); xhr_object.onreadystatechange = function() { if(xhr_object.readyState == 4) { var tmp = xhr_object.responseText; document.getElementById('hey').innerHTML = tmp; } } xhr_object.send(null); setTimeout('refresh_div()', 10000); }