    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Aaron Cohen (Intel)
               Version: February 7, 2001
                Module: Animation Module
               Feature: animation - tests different add and accumulate modes.
             File Name: animation-motion-BE-11.smil
      Media Components: 1 JPG for underlay graphic.
     Expected Behavior: See underlay graphic.
                        #4 uses an SVG specific feature as is not intended to
                        work in SMIL.
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language"
    xmlns:SplineAnimation="http://www.w3.org/2001/SMIL20/SplineAnimation">
        <head>
            <layout>
                <root-layout width="640" height="480" backgroundColor="white"/>
                <region id="whole" width="640" height="480" z-index="0"/>
                <region id="rect1" top="-30px" left="-15px" height="30px"
    width="30px" backgroundColor="red" z-index="1"/>
                <region id="rect2" top="-30px" left="-15px" height="30px"
    width="30px" backgroundColor="red" z-index="1"/>
                <region id="rect3" top="195px" left="10px" height="30px"
    width="30px" backgroundColor="red" z-index="1"/>
                <region id="rect4" top="195px" left="260px" height="30px"
    width="30px" backgroundColor="red" z-index="1"/>
            </layout>
        </head>
        <body>
            <par dur="indefinite">
                <img src="../images/animation-motion-BE-11.jpg" region="whole"/>
                <animateMotion targetElement="rect1" additive="sum"
    from="25,100" to="125,75" begin="0s" dur="3s" fill="freeze"/>
                <animateMotion targetElement="rect2" additive="sum"
    values="225,100;325,75;425,75" begin="0s" dur="6s" calcMode="linear"
    fill="freeze"/>
                <animateMotion targetElement="rect3"
    SplineAnimation:path="M25,225 C25,175 125,150 175,200" begin="0s" dur="6s"
    calcMode="linear" fill="freeze"/>
                <animateMotion  targetElement="rect4"  begin="0s" dur="6s"
    calcMode="linear" fill="freeze"/>
            </par>
        </body>
    </smil>