[B@rmaley.e><e]

<script src="http://code.jquery.com/jquery-1.6.2.min.js"></script>

<a href="" id="link">Link</a>
<form type="GET" action="http://www.google.ru/">
  <input type="hidden" id="ololo" name="q" value="default" />
  <input type="submit" id="lalala" />
</form>

<script>
$('#link').click(function(){
  $('#ololo').val('clicked!');
});

$('#lalala').click(function(){
  $('#link').click();
});
</script>