title: jquery find() checkbox with a certain value
body: <p>I have a list of checkboxes like so below wrapped in a div.</p>
  
  <pre><code>&lt;div&gt;
  &lt;input type="checkbox" value="1" class="checkbox"/&gt;&lt;br&gt;
  &lt;input type="checkbox" value="2" class="checkbox"/&gt;&lt;br&gt;
  &lt;input type="checkbox" value="3" class="checkbox"/&gt;
  &lt;/div&gt;
  &lt;select class="value"&gt;
  &lt;option value="1"&gt;One&lt;/option&gt;
  &lt;option value="2"&gt;Two&lt;/option&gt;
  &lt;option value="3"&gt;Three&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>Using jquery, i would like on change for the select option, the checkbox with the value 1 to be checked.</p>