diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index e281eec0..bd9d6e8d 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -725,25 +725,24 @@ var VirtualRenderer = function(container, theme) {
         this.session.setScrollTop(row * this.lineHeight);
     };
 
-    //@todo I would like to make this animation a setting. How?
-
-    var STEPS = 10;
-    function calcSteps(fromValue, toValue){
-        var i     = 0,
-            l     = STEPS,
-            steps = [],
-            func  = function(t, x_min, dx) {
-                if ((t /= .5) < 1)
-                    return dx / 2 * Math.pow(t, 3) + x_min;
-                return dx / 2 * (Math.pow(t - 2, 3) + 2) + x_min;
-            };
+    this.STEPS = 10;
+    this.$calcSteps = function(fromValue, toValue){
+        var i = 0;
+        var l = STEPS;
+        var steps = [];
+        
+        var func  = function(t, x_min, dx) {
+            if ((t /= .5) < 1)
+                return dx / 2 * Math.pow(t, 3) + x_min;
+            return dx / 2 * (Math.pow(t - 2, 3) + 2) + x_min;
+        };
 
         for (i = 0; i < l; ++i)
-            steps.push(func(i / STEPS, fromValue, toValue - fromValue));
+            steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));
         steps.push(toValue);
         
         return steps;
-    }
+    };
 
     this.scrollToLine = function(line, center) {
         var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});
@@ -752,10 +751,12 @@ var VirtualRenderer = function(container, theme) {
             offset -= this.$size.scrollerHeight / 2;
             
         if (this.$animatedScroll && Math.abs(offset - this.scrollTop) < 10000) {
-            var i = 0, _self = this, 
-                steps = calcSteps(this.scrollTop, offset);
+            var i = 0;
+            var _self = this;
+            var steps = _self.$calcSteps(this.scrollTop, offset);
+            
             clearInterval(_self.$timer);
-            this.$timer = setInterval(function(){
+            this.$timer = setInterval(function() {
                 _self.session.setScrollTop(steps[i]);
                 
                 if (++i == STEPS + 1)