  */  
 public class Linear
 {
-	include "../../core/Version.as";
+    include "../../core/Version.as";
 
-	//--------------------------------------------------------------------------
-	//
-	//  Class methods
-	//
-	//--------------------------------------------------------------------------
-	
+    //--------------------------------------------------------------------------
+    //
+    //  Class methods
+    //
+    //--------------------------------------------------------------------------
+    
     /**
      *  The <code>easeNone()</code> method defines a constant motion, 
      *  with no acceleration. 
      *
      *  @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 easeInOut(t:Number, b:Number,
									 c:Number, d:Number):Number
	{
		return c * t / d + b;
	}
}

}

{

/**
 *  The Spark effects provided as of Flex 4 use classes which implement the 
 *  IEaser interface instead of the easing functions in classes like Linear for 
 *  the earlier Flex 3 effects. To achieve the same functionality of the old
 *  Linear class, create a new instance of spark.effects.easing.Linear or call
