Untitled

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="default.css" media="screen" />
<script type="text/javascript">
function checkPassword() {
    if(document.getElementById('passwd').value ==
    document.getElementById('repasswd').value) {
        }
    else {
        window.alert("Please type password correctly!");
    }
}
</script>
<title></title>
</head>
<body>
<div id="sign-up">
<h2 class="green">Sign up</h2>
<form action="reg.php" method="post">
<table>
<tr>

<td><label for="username">email</label></td>
<td><input type="text" name="email" id="email" /></td>
</tr>
<tr>
<td><label for="passwd">Password</label></td>
<td><input type="password" name="passwd" id="passwd" /></td>
</tr>
<tr>
<td><label for="repasswd">Re-enter Password</label></td>
<td><input type="password" name="repasswd" id="repasswd" /></td>
</tr>
</table>
<input type="submit" onClick="checkPassword()" value="Sign Up" />
</form>

</div>
</body>
</html>