Index: branches/5.2.x/core/admin_templates/js/script.js
===================================================================
diff -u -N -r14856 -r14895
--- branches/5.2.x/core/admin_templates/js/script.js	(.../script.js)	(revision 14856)
+++ branches/5.2.x/core/admin_templates/js/script.js	(.../script.js)	(revision 14895)
@@ -1817,7 +1817,7 @@
 		// setTimeout allows to call method indirectly. Without it whole idea won't work 2nd time (try adding 2 relations one after another)
 		setTimeout(
 			function() {
-				openSelector('adm', $ru.replace('%5C', '\\') + '&merge_opener_stack=1');
+				openSelector('adm', $ru.replace(/%5C/g, '\\') + '&merge_opener_stack=1');
 			},
 			200
 		);
@@ -1828,7 +1828,7 @@
 	window.focus();
 
 	if ( !(($force_skip_refresh === true) || (typeof $skip_refresh != 'undefined' && $skip_refresh)) ) {
-		window.location.href = $redirect_url.replace('%5C', '\\');
+		window.location.href = $redirect_url.replace(/%5C/g, '\\');
 	}
 }