Fix logout with ajax

sample_dropbox_folder/statique/template.html

@@ -32,7 +32,7 @@
           </ul>
           <ul class="nav navbar-nav navbar-right">
             <li>
-              <a id="logout" href="https://log:out@example.com/">Log Out</a>
+              <a id="logout" href="#" onclick="javascript:logout();">Log Out</a>
             </li>
           </ul>
         </div>
@@ -51,9 +51,30 @@
      </div>
    </div>
    <script type="text/javascript">
-      hostname = window.location.href.split("/")[2];
-      lourl = "http://log:out@" + hostname + "/";
-      document.getElementById("logout").href = lourl;
+     function logout() {
+        var hostname = window.location.href.split("/")[2];
+        var userAgent = navigator.userAgent.toLowerCase();
+
+        if (userAgent.indexOf("msie") != -1) {
+          document.execCommand("ClearAuthenticationCache", false);
+        }
+
+        xhr_objectCarte = null;
+
+        if(window.XMLHttpRequest)
+          xhr_object = new XMLHttpRequest();
+        else if(window.ActiveXObject)
+          xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
+        else
+          alert ("Your browser doesn't support XMLHTTPREQUEST");
+
+        xhr_object.open ('GET', 'http://' + hostname, false, 'username', 'password');
+        xhr_object.send ("");
+        xhr_object = null;
+
+        document.location = 'http://' + hostname;
+        return false;
+      }
    </script>
 </body>
 </html>