Improved slider behaviour and fixed prefix handling
diff --git a/dev/js/src/match/info.js b/dev/js/src/match/info.js
index 97624dc..9d1922a 100644
--- a/dev/js/src/match/info.js
+++ b/dev/js/src/match/info.js
@@ -288,7 +288,7 @@
       span.appendChild(treeElement);
 
       span.addEventListener('click', function (e) {
-	treemenu.show('');
+	treemenu.show();
 	treemenu.focus();
       });