title: jquery block <select> to first option
body: <p>I've a code like this:</p>
  
  <pre><code>&lt;select name="aa"&gt;
      &lt;option&gt;a&lt;/option&gt;
      &lt;option&gt;b&lt;/option&gt;
      &lt;option&gt;c&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>There is a way to stop opening select of all my form and make show only first select in this example only <em>a</em>?</p>
  
  <p>Thanks in advance
  ciao <em>h</em></p>