diff --git a/htdocs/core/boxes/box_task.php b/htdocs/core/boxes/box_task.php
index ed267493e97..94983ef6bff 100644
--- a/htdocs/core/boxes/box_task.php
+++ b/htdocs/core/boxes/box_task.php
@@ -127,15 +127,17 @@ class box_task extends ModeleBoxes
             $boxcontent .= '<button type="submit" class="button">'.$langs->trans("Refresh").'</button>';
             $boxcontent .= '</form>'."\n";
             $boxcontent .= '</div>'."\n";
-            $boxcontent .= '<script type="text/javascript" language="javascript">
-					jQuery(document).ready(function() {
-						jQuery("#idsubimg'.$this->boxcode.'").click(function() {
-							jQuery(".showiffilter'.$this->boxcode.'").toggle();
+            if (! empty($conf->use_javascript_ajax)) {
+	            $boxcontent .= '<script type="text/javascript" language="javascript">
+						jQuery(document).ready(function() {
+							jQuery("#idsubimg'.$this->boxcode.'").click(function() {
+								jQuery(".showiffilter'.$this->boxcode.'").toggle();
+							});
 						});
-					});
-					</script>';
-            // set cookie by js
-            $boxcontent .= '<script>date = new Date(); date.setTime(date.getTime()+(30*86400000)); document.cookie = "'.$cookie_name.'='.$filterValue.'; expires= " + date.toGMTString() + "; path=/ "; </script>';
+						</script>';
+	            // set cookie by js
+	            $boxcontent .= '<script>date = new Date(); date.setTime(date.getTime()+(30*86400000)); document.cookie = "'.$cookie_name.'='.$filterValue.'; expires= " + date.toGMTString() + "; path=/ "; </script>';
+            }
             $this->info_box_contents[0][] = array(
                 'tr'=>'class="nohover showiffilter'.$this->boxcode.' hideobject"',
                 'td' => 'class="nohover"',