title: jquery validate: IF form valid then show submit button
body: <p>I have a basic empty form and would like to only show the submit button once:</p>
  
  <blockquote>
    <ol>
    <li>Data has been entered into the form. </li>
    <li>All required/valid fields are correct.</li>
    </ol>
  </blockquote>
  
  <p>Before fading in the submit button once the form is correct. </p>
  
  <p>Quick jsfiddle: <a href="http://jsfiddle.net/36JZL/" rel="nofollow">http://jsfiddle.net/36JZL/</a> </p>
  
  <pre><code>&lt;form action="#" method="post"&gt;
      &lt;label&gt;Name&lt;/label&gt;
      &lt;input type="text" name="name" class="required" value="" /&gt;
  
      &lt;label&gt;Email&lt;/label&gt;
      &lt;input type="email" name="email" class="required email" value="" /&gt;
  
      &lt;label&gt;Message&lt;/label&gt;
      &lt;textarea name="message" class="required"&gt;&lt;/textarea&gt;
  
      &lt;input type="submit" name="save" value="Save" class="hide" /&gt;
  &lt;/form&gt;
  
  $('form').validate();
  </code></pre>