  *  The <code>smoothScrolling</code> style must also be set on the
  *  ScrollBar to get animated behavior when shift-clicking.
  *  
- * <p>This time is for an animation that covers the entire distance of the 
+ * <p>This duration is for an animation that covers the entire distance of the 
  * track; smaller distances will use a proportionally smaller duration.</p>
  *
  *  @default 300

    //--------------------------------------------------------------------------

    /**
     *  Convert a track relative x,y pixel location into a value between 
     *  minimum and maximum inclusive.  
     * 
     *  <p>TrackBase subclasses must override this method and perform conversions
     *  that take their own geometry into account.
     * 
     *  For example a vertical slider might compute a value like this:
     *  <pre>
     *  return (y / track.height) * (maximum - minimum);
     *  </pre>
     *  </p>
     * 
     *  <p>By default this method just returns <code>minimum</code>.</p>
     * 
     *  @param x The x coordinate of the location relative to the track's origin.
     *  @param y The y coordinate of the location relative to the track's origin.
     *  @return A value between minimum and maximum, inclusive.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

 *  The TrackBase class also provides the code for
 *  dragging the thumb button, which is shared by the Slider and ScrollBar classes.
 * 
 *  @mxml
 *
 *  <p>The <code>&lt;TrackBase&gt;</code> tag inherits all of the tag 
 *  attributes of its superclass and adds the following tag attributes:</p>
 *
 *  <pre>
 *  &lt;TrackBase
 *    <strong>Styles</strong>
 *    slideDuration="300"
 *
 *    <strong>Events</strong>
 *    change="<i>No default</i>"
 *    changing="<i>No default</i>"
 *    thumbDrag="<i>No default</i>"
 *    thumbPress="<i>No default</i>"
 *    thumbRelease="<i>No default</i>"
 *  /&gt;
 *  </pre> 
 * 
 *  @see spark.components.supportClasses.Slider
 *  @see spark.components.supportClasses.ScrollBar
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10
