title: Trigger event in HTML <select> box when the same entry is selected again
body: <p>In a HTML form, I use a drop-down list like this:</p>
  
  <pre><code>&lt;select onchange="send()"&gt;
    &lt;option value="a"&gt;Option A&lt;/option&gt;
    &lt;option value="b"&gt;Option B&lt;/option&gt;
    &lt;option value="c"&gt;Option C&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>When the user changes the selected entry, <code>send()</code> is called, which basically uses <code>jQuery.ajax(...)</code> to send the new value to the server. This works fine.</p>
  
  <p>When the transmission fails for some reason, the user is informed about the error. Most users will then select the same entry again to retry. Now the problem is that this will not trigger the <code>onchange</code> event again because the value hasn't changed. What would be the best way to deal with this?</p>