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imageObject.lowsrc=URL

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<html>
<body>
<img id="compman" src="compman.gif"
lowsrc="compman_lowres.gif" alt="Computerman" />
<br />

<script type="text/javascript">
var x=document.getElementById("compman");
document.write('<a href="' + x.lowsrc + '">Low resolution</a>');
</script>

</body>
</html>
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