Contact Form Problems

Hi

I've set up perch forms for the 1st time. The error messaging works fine on my MAMP testing server, however it doesn't work on my live site. Do you have any ideas what I'm doing wrong?

This is my code

<perch:form id="form-contact" method="post" app="perch_forms" role="form">
<form id="contactform" action="#" role="form"> 

<perch:error for="all" type="general">
<div class="alert_error">
    <perch:content id="error" type="text area" label="General Error Message" textile="true" editor="mark-up" />
</div>
</perch:error>
<br />

    <table>
        <tr>
            <th><perch:label for="name">Name:</perch:label></th>
            <td><perch:input id="name" type="text" required="true" label="Name" /></td>
             <perch:error for="name" type="required"><p class="about-error">Please add your name</p></perch:error>
            </tr>
        <tr>
            <th><perch:label for="email">Email:</perch:label></th>
            <td><perch:input id="email" type="email" required="true" label="Email" placeholder="you@company.com" /></td>
            <perch:error for="email" type="required"><p class="about-error">Please add your email address</p></perch:error>
            <perch:error for="email" type="format"><p class="about-error">Please enter a valid email address</p></perch:error>
        </tr>   
        <tr>
            <th><perch:label for="message">Message:</perch:label></th>
            <td><perch:input type="textarea" id="message" rows="10" cols="48" required="true" label="Message"></textarea></td>
            <perch:error for="message" type="required"><p class="about-error">Please add a message</p></perch:error> 
        </tr>
        <tr>
            <th></th>
            <td><perch:input type="submit" id="submit" value="Send" /></td>
        </tr> 
    </table>     
    <perch:success>
        <div class="alertsuccess">
            <perch:content id="success" type="textarea" label="Thank You Message" textile="true" editor="markitup" />
        </div>
    </perch:success>
</perch:form>    

Many thanks