TIMER:
  Timer:
  0
  
  EXPECTED BEHAVIOR:
  t:SET will begin at 2 seconds and have a duration of 2 seconds.
  At 1 second, blue box will appear.
  At 2 seconds, blue box will move left to 350.
  At 4 seconds, this will repeat.
  At 6 seconds, blue box will move back to original position.
  SAMPLE CODE:
  <div id="d1" style="position:absolute; background-color:blue; left:5; width:150; height:150">
  <t:set attributeName="left" to="350" begin="2" dur="2" targetElement="d1" repeatDur="2"/>
  INFORMATION:
  Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
See http://www.w3.org/Consortium/Legal/.
Author: Debbie Newman, Microsoft
  Version: 11/01/2000
  Module: Set
  Feature: attributeName=left, targetElement, begin, dur, repeatDur
  File Name: set_attName_left_target_begin_dur_repeatDur.htm
  Media Components: none