store display order of plugins_new in a session var

git-svn-id: http://piwigo.org/svn/trunk@11222 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/themes/default/template/plugins_new.tpl

@@ -29,6 +29,7 @@ jQuery(document).ready(function(){
   jQuery('select[name="selectOrder"]').change(function() {
     sortOrder = this.value;
     $('.pluginBox').sortElements(sortPlugins);
+    $.get("admin.php?plugins_new_order="+sortOrder);
   });
 });
 {/literal}{/footer_script}