api browser scrollbar

docs/api.js

@@ -33,10 +33,28 @@ $(function() {
     app.$ui.actionList = constructList();
     app.$ui.actionInfo = Ox.Container().css({padding: '8px'}).html('select action on the left.');
 
+    var $left = new Ox.SplitPanel({
+        elements: [
+            {
+                element: new Ox.Element().append(new Ox.Element().html('oxjs API').css({
+                    'padding': '4px',
+                })).css({
+                    'background-color': '#ddd',
+                    'font-weight': 'bold',
+                }),
+                size: 24
+            },
+            {
+                element: app.$ui.actionList
+            }
+        ],
+        orientation: 'vertical'
+    });
+ 
     var $main = new Ox.SplitPanel({
         elements: [
             {
-                element: app.$ui.actionList,
+                element: $left,
                 size: 160
             },
             {
@@ -80,6 +98,7 @@ function constructList() {
             Ox.print("items", items);
             callback(result);
         },
+        scrollbarVisible: true,
         sort: [
             {
                 key: "name",