title: Why isn't this textarea focusing with .focus()?
body: <p>I have this code to focus a textarea when the user clicks on the &quot;Reply&quot; button:</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>    $('#reply_msg').live('mousedown', function() {
          $(this).hide();
          $('#reply_holder').show();
          $('#reply_message').focus();
      });</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.4.3/jquery.min.js"&gt;&lt;/script&gt;
  &lt;div id="reply_msg"&gt;
        &lt;div class="replybox"&gt;
        &lt;span&gt;Click here to &lt;span class="link"&gt;Reply&lt;/span&gt;&lt;/span&gt;
        &lt;/div&gt;
        &lt;/div&gt;
        &lt;div id="reply_holder" style="display: none;"&gt;
        &lt;div id="reply_tab"&gt;&lt;img src="images/blank.gif" /&gt; Reply&lt;/div&gt;
        &lt;label class="label" for="reply_subject" style="padding-top: 7px; width: 64px; color: #999; font-weight: bold; font-size: 13px;"&gt;Subject&lt;/label&gt;
        &lt;input type="text" id="reply_subject" class="input" style="width: 799px;" value="Re: &lt;?php echo $info['subject']; ?&gt;" /&gt;
        &lt;br /&gt;&lt;br /&gt;
        &lt;textarea name="reply" id="reply_message" class="input" spellcheck="false"&gt;&lt;/textarea&gt;
        &lt;br /&gt;
        &lt;div id="reply_buttons"&gt;
        &lt;button type="button" class="button" id="send_reply"&gt;Send&lt;/button&gt;
        &lt;button type="button" class="button" id="cancel_reply_msg"&gt;Cancel&lt;/button&gt;
        &lt;!--&lt;button type="button" class="button" id="save_draft_reply"&gt;Save Draft&lt;/button&gt;--&gt;
        &lt;/div&gt;
      &lt;/div&gt;</code></pre>
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  </p>
  <p>It shows the reply form, but the textarea won't focus. I'm adding the textarea via AJAX which is why I am using <code>.live()</code>. The box that I add shows (I even add <code>#reply_msg</code> via AJAX and stuff happens when I mouse down on it) but it won't focus on the textarea.</p>