Index: branches/5.2.x/core/admin_templates/tree.tpl
===================================================================
diff -u -N -r14244 -r14585
--- branches/5.2.x/core/admin_templates/tree.tpl	(.../tree.tpl)	(revision 14244)
+++ branches/5.2.x/core/admin_templates/tree.tpl	(.../tree.tpl)	(revision 14585)
@@ -139,7 +139,8 @@
 	function ReloadFolder(url, with_late_load)
 	{
 		if (!with_late_load) with_late_load = false;
-		var fld = the_tree.locateItemByURL(url, with_late_load);
+
+		var fld = the_tree.locateItemByURL(url.replace(/&/g, '&'), with_late_load);
 		if (fld) {
 			fld.reload();
 		}