    <!-- saved from url=(0022)http://internet.e-mail -->
    <html xmlns:t ="urn:schemas-microsoft-com:time" >
    <head>
    <style>
     .time    { behavior: url(#default#time2);}
      #test		{position:absolute; top:50}
      #TimerParent {color:black; font-size:16; font-weight:bold}
      #instructions {position:absolute; top:40; left:350}
      t\:img   {height:100; width:100}
      t\:video {height:100; width:100}
    </style>
    <script>
    function timerTick(){
      Timer.innerText=parseInt(document.body.currTimeState.activeTime);
    }
    </script>
    <?IMPORT namespace="t" implementation="#default#time2">
    </head>
    <body>
    <t:par id="test">
    	<t:par id="par1" begin="10s" dur="10s">
    		<t:par id="par2" begin="-5s" dur="10s">
    			<t:img id="smile" begin="0s" dur="5s" src="../images/smile.jpg"/>
    			<t:img id="frown" begin="0s" dur="10s" src="../images/frown.jpg"/>
    		</t:par>
    	</t:par>
    	<t:video id="video1" begin="smile.begin" dur="10s" src="../videos/nasa.qt"/>
    	<t:video id="video2" begin="frown.begin" dur="10s" src="../videos/nasa.qt"/>
    </t:par>
    <span id="TimerParent">Timer:
      <span id="Timer" class="time" dur="1" repeatCount="indefinite" onrepeat="timerTick()">0</span>
    </span>
    <br><br>
    <DIV id="instructions"><pre>
    File Name: interval_logic_pruning.htm
    Expected Behavior:
    at 5s video1 and video2 appear.
    at 10s frown begins, 5s into its duration.
    the smile image ends as the par2 begins and so is not shown.
    at 15s frown, video1 and video2 all end and disappear.
    </pre>
    </DIV>
    </body>
    </html>