  */  
 public class Quadratic
 {
-	include "../../core/Version.as";
+    include "../../core/Version.as";
 
-	//--------------------------------------------------------------------------
-	//
-	//  Class methods
-	//
-	//--------------------------------------------------------------------------
+    //--------------------------------------------------------------------------
+    //
+    //  Class methods
+    //
+    //--------------------------------------------------------------------------
 
     /**
      *  The <code>easeIn()</code> method starts motion from a 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 easeOut(t:Number, b:Number,
								   c:Number, d:Number):Number
	{
		return -c * (t /= d) * (t - 2) + b;
	}

    /**
     *  The <code>easeInOut()</code> method combines the motion
     *  of the <code>easeIn()</code> and <code>easeOut()</code> methods
	 *  to start the motion from a zero velocity, 
     *  accelerate motion, then decelerate to a zero velocity. 
     *
     *  @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.

{

/**
 *  The Spark effects provided as of Flex 4 use classes which implement the 
 *  IEaser interface instead of the easing functions in classes like Quadratic for 
 *  the earlier Flex 3 effects. To achieve the same functionality of Quadratic, 
 *  create a Power instance with an <code>exponent</code> of 2 and set the 
