eForm - adding confirm email field

<form ...>
    ...
    Email: <input type="text" name="email" id="unique1" value="" />
    Confirm: <input type="text" name="email2" id="unique2" value="" />
    ...
    <input type="submit" name="send" value="Send" onclick="return compareEmails();" />
</form>
<script type="text/javascript">
<!--
function compareEmails() {
    var email_1 = document.getElementById('unique1');
    var email_2 = document.getElementById('unique2');
    if (email_1.value != email_2.value) {
        alert('Email, confirmation do not match!');
        return false;
    }
    return true;
}
-->
</script>

<form method="post" action="index.php?id=6">
    <input type="hidden" name="formid"  value="feedbackForm" />
<table border="0" cellpadding="0" cellspacing="0" id="contactform" summary="">
<tr>
    <th><label for="Name" >Name *</label></th>
    <td><input type="text" name="name"  value="" /></td>
</tr>
<tr>
    <th><label for="email" >Email Address *</label></th>

    <td><input type="text" name="email" id="unique1"  value="" /></td>
</tr>
<tr>
    <th><label for="email2" >Confirm Email *</label></th>
    <td><input type="text" name="email2" id="unique2"  value="" /></td>
</tr>
<tr>
    <th><label for="subject" >Subject *</label></th>
    <td><select name="topic" id="topic" > 
<option>Please select...</option> 

<option value="1" >Community Noticeboard</option>
<option value="2" >Subscriptions </option> 
<option value="3" >Writing for the Jura Jottings</option> 
<option value="4" >Website Queries</option> 
<option value="5" >Other</option> 
</select></td>
</tr>
<tr>
    <th><label for="comments" >Comments *</label></th>
    <td><textarea cols="41" rows="5" name="comments" ></textarea></td>

</tr>
<tr>
    <td> </td>
    <td><input class="button" type="submit" name="submit" onclick="return compareEmails();" value="Send" /></td>
</tr>
</table>
</form> 
<script type="text/javascript">
<!--
function compareEmails() {
    var email_1 = document.getElementById('unique1');
    var email_2 = document.getElementById('unique2');
    if (email_1.value != email_2.value) {
        alert('Sorry, your email address don't appear to match!');
        return false;
    }
    return true;
}
-->
</script>

function setEmail($email) {
    $_SESSION['formEmail'] = $email;
    return true;
}

function checkEmail($confirmEmail) {
    return ($_SESSION['formEmail'] == $confirmEmail);
}

    <input type="text" tabindex="1" name="frEmail" class="text required email" id="frEmail" value="" eform="Your Email:email:1::#FUNCTION setEmail">
     <input type="text" tabindex="2" name="frEmailConfirm" class="text required email" id="frEmailConfirm" value="" eform="Confirm Email:email:1:Confirm Password field doesn't match Password field:#FUNCTION checkEmail">