 {
 
 /**
- *  The new effects provided as of Flex 4 use classes which implement the 
+ *  The Spark effects provided as of Flex 4 use classes which implement the 
  *  IEaser interface instead of the easing functions in classes like Quintic for 
  *  the earlier Flex 3 effects. To achieve the same functionality of Quintic, 
  *  create a Power instance with an <code>exponent</code> of 5 and set the 

 */  
public class Quintic
{
	include "../../core/Version.as";

	//--------------------------------------------------------------------------
	//
	//  Class methods
	//
	//--------------------------------------------------------------------------

    /**
     *  The <code>easeIn()</code> method starts motion from zero velocity, 
     *  and then accelerates motion as it executes. 
     *
     *  @param t Specifies time.
	 *
     *  @param b Specifies the initial position of a component.
	 *
     *  @param c Specifies the total change in position of the component.
	 *
     *  @param d Specifies the duration of the effect, in milliseconds.
     *
     *  @return Number corresponding to the position of the component.

     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */  
    public static function easeIn(t:Number, b:Number,
                                  c:Number, d:Number):Number
    {
        return c * (t /= d) * t * t * t * t + b;
    }

    /**
     *  The <code>easeOut()</code> method starts motion fast, 
     *  and then decelerates motion to a zero velocity as it executes. 
     *
     *  @param t Specifies time.
     *
     *  @param b Specifies the initial position of a component.
     *
     *  @param c Specifies the total change in position of the component.
     *
     *  @param d Specifies the duration of the effect, in milliseconds.
     *
     *  @return Number corresponding to the position of the component.
