<script type="text/javascript">      
      $(function() {      
      var offset = $("#fixed").offset();      
      var topPadding = 15;      
      $(window).scroll(function() {      
      if ($(window).scrollTop() > offset.top) {      
      $("#fixed").stop().animate({marginTop: $(window).scrollTop() - offset.top + topPadding});      
      }      
      else {$("#fixed").stop().animate({marginTop: 0});};});      
      });      
      </script>      
      <div id="main">      
      <div class="colLeft""colRight">      
      <div id="fixed">

</div></div></div>