Расшумелись, блин.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title></title>
<style type="text/css">
input.my {
background: url(http://javascript.ru/forum/images/ca_serenity/misc/logo.gif);
background-attachment: fixed;
}
</style>
</head>
<body>
<input class="my" />
</body>
</html>