Index: branches/RC/core/admin_templates/js/catalog.js
===================================================================
diff -u -N -r9906 -r9930
--- branches/RC/core/admin_templates/js/catalog.js	(.../catalog.js)	(revision 9906)
+++ branches/RC/core/admin_templates/js/catalog.js	(.../catalog.js)	(revision 9930)
@@ -337,7 +337,9 @@
 }
 
 Catalog.prototype.storeIDs = function ($category_variable) {
-	set_hidden_field($category_variable, Grids['c'].GetSelected().join(','));
+	if ($category_variable) {
+		set_hidden_field($category_variable, Grids['c'].GetSelected().join(','));
+	}
 
 	// get selectes category items
 	for (var $i in Grids[this.ActivePrefix].Items) {