Just tried this and still nothing. I think I will give up on this effect.

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="XAR Files" content="index_htm_files/xr_files.txt"/>
<title>past</title>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"/>
<meta name="Generator" content="Xara HTML filter v.4.1.1.671"/>
<link rel="stylesheet" type="text/css" href="index_htm_files/highslide.css" />
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<script type="text/javascript" src="index_htm_files/roe.js"></script>
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/* Set background image to fixed (don't scroll along with the page) */
background-attachment: fixed;
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