<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
form {
display: none;
}
.example:hover>form {
display: block;
}
</style>
</head>
<body>
<div class="example">
<div>Hover to show the form</div>
<form action="http://feedburner.google.com/fb/a/mailverify" method="post" target="popupwindow"
onsubmit="window.open('http://feedburner.google.com/fb/a/mailverify?uri=alexcican', 'popupwindow', 'scrollbars=yes,width=650,height=620');return true">
<p>
<input type="text" class="email_field" name="email" size="30" value="E-mail address" />
<input type="hidden" value="alexcican" name="uri" />
<input type="hidden" name="loc" value="en_US" />
<input class="email_btn" name="submit" type="submit" value="Done"/>
</p>
</form>
</div>
</body>
</html>