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<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" type="text/css" href="helper_subframe_style.css"/>
</head>
<body>
<div style="height: 8000px;">ABC</div>
<textarea rows="20"></textarea>
<!-- Leave additional room below the element so it can be scrolled to the center -->
<div style="height: 1000px;">ABC</div>
</body>
</html>