<html>
<head>
<style type="text/css">
body
{background-color="#FFCC80";
background-image:url(/i/eg_bg_desert.jpg);
}
p
{color:white;
}
</style>
<script type="text/javascript">
function changeAttachment()
{document.body.style.backgroundAttachment="fixed";
}
</script>
</head>
<body>
<input type="button" onclick="changeAttachment()" value="Set background-image to be fixed" />
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
</body>
</html>