diff --git a/js/pianos4.js b/js/pianos4.js
index dfa0ef6ef13ae21b8261ea47cb435162566e5da0..acf59d63d4ba943aba06cbee3b30a2a804ebffc4 100644
--- a/js/pianos4.js
+++ b/js/pianos4.js
@@ -847,7 +847,12 @@ function Pianos4( params )
         if( !noUpdateUI )
             updateUI();
     }
-
+    
+    this.getParams = function()
+    {
+    	return params;
+    }
+    
     this.getNewZoomFactor = function( factor, out )
     {
         var sliderval = getSliderValueFromZoomFactor( factor );