--- a/src/hdalab/static/hdalab/js/renkan-manual-save.js	Wed Sep 24 13:07:08 2014 +0200
+++ b/src/hdalab/static/hdalab/js/renkan-manual-save.js	Wed Sep 24 16:03:14 2014 +0200
@@ -29,6 +29,8 @@
             	    $(".Rk-Save-Button").addClass("Rk-Save-Online");
             	}
             	canRemoveChangeShape = true;
+            	_saveWarn = false;
+            	$(window).off("beforeunload", _onLeave);
             }
         });
     };