diff --git a/admin-dev/themes/template/scenes/form.tpl b/admin-dev/themes/template/scenes/form.tpl
index b35d43cfb..0c6c6992f 100644
--- a/admin-dev/themes/template/scenes/form.tpl
+++ b/admin-dev/themes/template/scenes/form.tpl
@@ -1,23 +1,49 @@
+{*
+* 2007-2011 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Academic Free License (AFL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/afl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2011 PrestaShop SA
+*  @version  Release: $Revision$
+*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*}
+
 {extends file="helper/form/form.tpl"}
+
 {block name="end_field_block"}
 	{if ($input.type == "description")}
-		<p>
-			{$input.text}
-		</p>
+		<p>{$input.text}</p>
 	{/if}
 	</div>
 {/block}
+
 {block name="after"}
-<script type="text/javascript">
-	startingData = new Array();
-	{foreach from=$products item=product key=key}
-		startingData[{$key}] = new Array(
-			'{$product.details->name}', 
-			'{$product.id_product}', 
-			{$product.x_axis},
-			{$product.y_axis},
-			{$product.zone_width},
-			{$product.zone_height});
-	{/foreach}
-</script>
+	<script type="text/javascript">
+		startingData = new Array();
+		{foreach from=$products item=product key=key}
+			startingData[{$key}] = new Array(
+				'{$product.details->name}', 
+				'{$product.id_product}', 
+				{$product.x_axis},
+				{$product.y_axis},
+				{$product.zone_width},
+				{$product.zone_height});
+		{/foreach}
+	</script>
 {/block}
diff --git a/tools/smarty/plugins/function.implode.php b/tools/smarty/plugins/function.implode.php
index 44babfd86..b0c70d450 100644
--- a/tools/smarty/plugins/function.implode.php
+++ b/tools/smarty/plugins/function.implode.php
@@ -23,7 +23,7 @@
  */
 function smarty_function_implode($params, $template)
 {
-    if (empty($params['value']))
+    if (!isset($params['value']))
     {
         trigger_error("[plugin] implode parameter 'value' cannot be empty", E_USER_NOTICE);
         return;