diff --git a/admin-dev/ajax.php b/admin-dev/ajax.php
index ed22a4566..95a11d3c1 100644
--- a/admin-dev/ajax.php
+++ b/admin-dev/ajax.php
@@ -1022,7 +1022,7 @@ if (Tools::isSubmit('submitAddAccess'))
 				AND `id_profile` = '.(int)$id_profile
 		);
 	$res = $res?'ok':'error';
-	die(Tools::jsonEncode($res));
+	die($res);
 }
 
 /* Update Access Modules */
@@ -1056,6 +1056,6 @@ if (Tools::isSubmit('changeModuleAccess'))
 	}
 
 	$res = $res?'ok':'error';
-	die(Tools::jsonEncode($res));
+	die($res);
 }
 
diff --git a/admin-dev/themes/template/access/form.tpl b/admin-dev/themes/template/access/form.tpl
index 60d9764a5..66c859480 100644
--- a/admin-dev/themes/template/access/form.tpl
+++ b/admin-dev/themes/template/access/form.tpl
@@ -65,11 +65,10 @@
 				{
 					try
 					{
-						res = $.parseJSON(res);
-						if (res.result == 'ok')
-							showSuccessMessage(res.msg);
+						if (res == 'ok')
+							showSuccessMessage("{l s='Update successful'}");
 						else
-							showErrorMessage(res.msg);
+							showErrorMessage("{l s='Update error'}");
 					}
 					catch(e)
 					{
@@ -111,11 +110,10 @@
 				{
 					try
 					{
-						res = $.parseJSON(res);
-						if (res.result == "ok")
-							showSuccessMessage(res.msg);
+						if (res == 'ok')
+							showSuccessMessage("{l s='Update successful'}");
 						else
-							showErrorMessage(res.msg);
+							showErrorMessage("{l s='Update error'}");
 					}
 					catch(e)
 					{
diff --git a/css/admin.css b/css/admin.css
index 9faff3ae1..cb596552b 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -471,6 +471,28 @@ select optgroup option {
 	border-radius:3px;
 }
 
+#ajax_confirmation .error  {
+	background: #FFBABA url(../img/admin/icon-cancel.png) no-repeat scroll 6px 6px;
+	border: 1px solid #CC0000;
+	color:#D8000C;
+	padding:20px;
+	position:fixed;
+	bottom:0;
+	width:100%;
+	left:0;
+}
+
+#ajax_confirmation .conf  {
+	background: #DFF2BF url(../img/admin/icon-valid.png) no-repeat scroll 6px 6px;
+	border: 1px solid #4F8A10;
+	color:#4F8A10;
+	padding:20px;
+	position:fixed;
+	bottom:0;
+	width:100%;
+	left:0;
+}
+
 #content .warn  {
 	background: #FEEFB3 url(../img/admin/icon-attention.png) no-repeat scroll 6px 6px;
 	border: 1px solid #9e6014;
diff --git a/js/admin.js b/js/admin.js
index d92756385..29994cafe 100644
--- a/js/admin.js
+++ b/js/admin.js
@@ -948,7 +948,8 @@ function refreshImagePositions(imageTable)
  */
 function showSuccessMessage(msg)
 {
-	$("#ajax_confirmation").show().html("<div style=\"background-color:green;color:white;padding:20px;position:fixed;bottom:0;width:100%;left:0;text-align:center;\">"+msg+"</div>").delay(3000).fadeOut("slow");
+	$("#ajax_confirmation").show()
+		.html("<div class=\"conf\">"+msg+"</div>").delay(3000).fadeOut("slow");
 }
 			
 /** display a warning message in a #ajax_confirmation container
@@ -957,7 +958,7 @@ function showSuccessMessage(msg)
 function showErrorMessage(msg)
 {
 	$("#ajax_confirmation").show()
-	.html("<div class=\"error\"><img src=\"../img/admin/error.png\" alt=\"ERROR\" />"+msg+"</div>");
+		.html("<div class=\"error\">"+msg+"</div>").delay(3000).fadeOut("slow");
 }
 
 $(document).ready(function(){