diff --git a/build/js/ox.js b/build/js/ox.js
index 5320c70d..9bde4049 100644
--- a/build/js/ox.js
+++ b/build/js/ox.js
@@ -159,27 +159,33 @@ Ox.each = function(obj, fn) {
     return obj;
 };
 
-Ox.equals = function() { // unused
+Ox.equals = function(obj0, obj1) {
     /*
     ... core? type?
     */
     var ret = false;
-    if (obj0.length == obj1.length) {
-        Ox.each(obj0, function(k, v) {
-            if (Ox.isObject(v)) {
-                
-            } else {
-                
-            }
-            return ret;
-        });
+    if (obj0 === obj1) {
+        ret = true;
+    } else if (typeof(obj0) == typeof(obj1)) {
+        if (obj0 == obj1) {
+            ret = true;
+        } else if (Ox.isArray(obj0) && obj0.length == obj1.length) {
+            Ox.each(obj0, function(i, v) {
+                ret = v == obj1[i];
+                return ret;
+            });
+        } else if (Ox.isObject(obj0)) {
+            ret = Ox.equals(Ox.keys(obj0), Ox.keys(obj1)) &&
+                Ox.equals(Ox.values(obj0), Ox.values(obj1));
+        }
     }
+    Ox.print('Ox.equals', obj0, obj1, ret)
     return ret;
 }
 
 Ox.every = function(obj, fn) {
     /*
-    Ox.every() forks for arrays, objects and strings, unlike [].every()
+    Ox.every() works for arrays, objects and strings, unlike [].every()
     >>> Ox.every([0, 1, 2], function(v, i) { return i == v; })
     true
     >>> Ox.every({a: 1, b: 2, c: 3}, function(v) { return v == 1; })
diff --git a/build/js/ox.ui.js b/build/js/ox.ui.js
index a584a585..351619a6 100644
--- a/build/js/ox.ui.js
+++ b/build/js/ox.ui.js
@@ -1051,18 +1051,7 @@ requires
                     self.options = $.extend(self.options || self.defaults, args);
                     $.each(args, function(key, value) {
                         // key == 'id' && id && Ox.Event.changeId(id, value);
-                        value !== oldOptions[key] && self.onChange(key, value);
-                        /*
-                        fixme: why does this not work?
-                        Ox.print('options', options, key, value)
-                        //Ox.print(!options, !options || !options[key], !options || !options[key] || options[key] !== value)
-                        if (!options || !options[key] || options[key] !== value) {
-                            Ox.print('onChange...')
-                            self.onChange(key, value);
-                        } else {
-                            Ox.print('NO CHANGE');
-                        }
-                        */
+                        /*!Ox.equals(value, oldOptions[key]) &&*/ self.onChange(key, value);
                     });
                     ret = that;
                 }
@@ -9801,7 +9790,9 @@ requires
         }
 
         self.onChange = function(key, value) {
+            Ox.print('onChange:', key, value)
             if (key == 'points') {
+                Ox.print('key', key, 'value', value)
                 setMarkerPoint(0);
                 setMarkerPoint(1);
             } else if (key == 'position') {
@@ -10182,6 +10173,7 @@ requires
                 });
             });
             $.each(self.$timeline, function(i, v) {
+                Ox.print('points:', self.options.points)
                 v.options({
                     points: self.options.points
                 });