 public class Sine extends EaseInOutBase
 {    
     /**
-     * Constructs a Sine instance with an optional 
-     * <code>easeInFraction</code> parameter.
+     *  Constructor.
+     *
+     *  @param easeInFraction Sets the value of
+     *  the <code>easeInFraction</code> property. The default value is
+     *  <code>EasingFraction.IN_OUT</code>, which eases in for the first half
+     *  of the time and eases out for the remainder.
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

package spark.effects.easing
{
/**
 * Provides easing functionality using a Sine function and a
 * parameter that specifies how much time to spend easing in
 * and out.
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10

    }

    /**
     *  Returns a value that represents the eased fraction during the 
     *  ease in phase of the animation. 
     *  The easing calculation for Sine is equal to 
     *  <code>1 - cos(fraction*PI/2)</code>.
     *
     *  @param fraction The fraction elapsed of the easing in phase
     *  of the animation, between 0.0 and 1.0.
     * 
     *  @return A value that represents the eased value for this
     *  phase of the animation.
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
