diff --git a/intranet/static/css/mainInterface.css b/intranet/static/css/mainInterface.css
index 3b78db42..0de14c74 100644
--- a/intranet/static/css/mainInterface.css
+++ b/intranet/static/css/mainInterface.css
@@ -211,6 +211,20 @@ div.visualClear {clear:both;}
   background: center left no-repeat url('/static/images/crans_mini_warning.png');		
 }
 		
+.crans_ajax_error {
+  font-weight: bold;
+  font-size: 1em;
+  border-bottom : thin gray solid;
+  display: block;
+  width:100%;
+  position: absolute;
+  top:0;
+  left:0;
+  padding:1em 1em 1em 25px;
+  z-index:100;
+  background: #fff88f center left no-repeat url('/static/images/crans_mini_warning.png');	
+}
+		
 .crans_signature {
 text-align: right;
 display: block;
diff --git a/intranet/static/scripts/AJAX.js b/intranet/static/scripts/AJAX.js
new file mode 100644
index 00000000..f98d2d93
--- /dev/null
+++ b/intranet/static/scripts/AJAX.js
@@ -0,0 +1,21 @@
+/*****************************
+ Impression.AJAX
+ *****************************/
+AJAX = {};
+
+
+AJAX.call = function(page, callBack) {
+   logDebug("calling AJAX : " + page);
+   var e = loadJSONDoc(page);
+   e.addCallback(callBack);
+   e.addErrback(AJAX.errorHandler);
+}
+
+AJAX.errorHandler = function(d) {
+   appendChildNodes(document.body, 
+      DIV({"class":"crans_ajax_error"}, "Erreur de communication, essayez de vous ", A({"href":"do_logout"},  "reconnecter"), "."));
+   logError("AJAX Error: " + d);
+   //Impression.AJAX.modifPrix("Erreur...", false);
+}
+
+