title: Cannot close Twitter Bootstrap Alert using data dismiss button in Rails
body: <p>i have the following div in the devise => sessions</p>
  
  <pre><code>&lt;div class="widgettitle"&gt;
      &lt;button type="button" class="close" data-dismiss="alert"&gt;×&lt;/button&gt;
      &lt;%= "&lt;div class=\"flash_error\"&gt;#{h alert}&lt;/div&gt;".html_safe unless alert.blank? %&gt;
      &lt;%= "&lt;div class=\"flash_notice\"&gt;#{h notice}&lt;/div&gt;".html_safe unless notice.blank? %&gt;
    &lt;/div&gt;
  </code></pre>
  
  <p>but the close button is not working.. anyone can please help ...? </p>