 import spark.skins.mobile160.assets.HSliderThumb_pressed;
 import spark.skins.mobile240.assets.HSliderThumb_normal;
 import spark.skins.mobile240.assets.HSliderThumb_pressed;
+import spark.skins.mobile320.assets.HSliderThumb_normal;
+import spark.skins.mobile320.assets.HSliderThumb_pressed;
 
 /**
  *  Actionscript based skin for the HSlider thumb skin part on mobile applications.
- * 
- *  Note that this particular implementation provides separate chromeColorEllipse*
- *  properties in order to handle a visible thumb image which is smaller than the
- *  actual thumb FXG asset being used. In this case, the FXG asset specifies a larger
- *  transparent background that acts as a larger "hit zone" for better usability on
- *  mobile screens.   
  *
+ *  Note that this particular implementation defines a hit zone which is larger than
+ *  the visible thumb for better usability on mobile screens.
+ *  
  *  @langversion 3.0
  *  @playerversion Flash 10
  *  @playerversion AIR 2.5 

     */ 
    override protected function commitCurrentState():void
    {
        if (currentState == "up" || currentState == "disabled")
        {
            // show the normal button
            if (!thumbSkin_normal)

            // hide the pressed button
            if (thumbSkin_pressed)
                thumbSkin_pressed.visible = false;
		}
        else if (currentState == "down")
        {
            // show the pressed button
