title: jQuery validator, how to validate a disabled <select>
body: <p>html:</p>
  
  <pre><code>&lt;select disabled required name="test" id="test"&gt;
          &lt;option value="test" selected&gt;
              test
          &lt;/option&gt;
      &lt;/select&gt;
  </code></pre>
  
  <p>script:</p>
  
  <pre><code>$('#project_add_form').validate({
  
  errorPlacement: function() {
          return false;
      }
  
  });
  </code></pre>
  
  <p>jQuery is validating all the fields, excluding the disabled field, how can I make him to validate the disable field?</p>