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Test Info:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" class="reftest-wait">
<head>
<title>CSS Test: CSS: Changing the background of the BODY element by changing its class</title>
<link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
<link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/background/dynamic/002.html" type="text/html"/>
<meta name="flags" content="dom"/>
<link rel="match" href="background-root-101-ref.xht" />
<style type="text/css"><![CDATA[
body.before { background: red; color: yellow; }
body.after { background: green; color: white; }
p.after { font-weight: bold; }
]]></style>
<script type="text/javascript">
function test() {
document.getElementsByTagName('body')[0].className = 'after';
document.getElementsByTagName('p')[0].className = 'after';
document.documentElement.className = "";
}
</script>
</head>
<body class="before" onload="setTimeout(test, 5)">
<p class="before">This page should be green (and this text should be bold -- if it isn't bold, something went wrong with the script part of the test).</p>
</body>
</html>