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

<div id="step1"><a href="#" id="showStep2">Show Step 2</a></div>
<div id="step2" style="display: none;">Hey, its Step 2</div>

<script>
  $('a#showStep2').live('click', function (event) {
    $('#step1').hide();
    $('#step2').show();
  });
</script>