diff --git a/intranet/static/scripts/crans.js b/intranet/static/scripts/crans.js
index 6861ccc5..72b491f5 100644
--- a/intranet/static/scripts/crans.js
+++ b/intranet/static/scripts/crans.js
@@ -1,3 +1,23 @@
+/* ************************************************************
+ * Concole
+ ************************************************************
+ * Si firebug est présent, utilisation de la console intégrée
+ * à la place de celle de MockieKit
+ */
+try { 
+  if (console.firebug) {
+    log("Using Firebug console");
+    log = function(m) {console.log(m)};
+    logWarning = function(m){console.warn(m)};
+    logInfo = function(m){console.info(m)};
+    logDebug = function(m){console.debug(m)};
+    logError = function(m){console.error(m)};
+    logFatal = function(m){console.error(m)};
+  } }
+catch (Exception) {}
+
+
+
 /* ************************************************************
  * Crans
  ************************************************************
@@ -20,7 +40,7 @@ Crans.messages.init = function()
 	//updateNodeAttributes(document.body, {'onclick':'Crans.messages.setMessage();'});
 	appendChildNodes(document.body, DIV({'id':'_crans_main_message_place_holder'}));
 	Crans.messages.initialized = true;
-	//console.debug("Crans.message initialized");
+	logDebug("Crans.message initialized");
      }
 }
 
@@ -35,9 +55,9 @@ Crans.messages.setMessage = function(m, messageClass)
       if (messageClass==null) 
 	messageClass='message';
       if (messageClass == "errorMessage")
-        console.warn(m);
+        logWarning(m);
       else
-        console.info(m);
+        log(m);
       var textHolder = SPAN({'class':'messageText'},m);
       var messageBox = DIV({'class':messageClass},textHolder);
       var messagePlace =  document.getElementById("_crans_main_message_place_holder");
@@ -81,7 +101,7 @@ Crans.loading.display = function(bool) {
 	 fade(loadingEl, {duration:0.1});
       }
    } else {
-       console.error("Crans.loading cannot fid _crans_main_message_chargement element"); }
+       logFatal("Crans.loading cannot fid _crans_main_message_chargement element"); }
    return false;
 }