script

<script type="text/javascript">

$(function(){ // document ready

  var stickyTop = $('#desc').offset().top; // returns number

  $(window).scroll(function(){ // scroll event

    var windowTop = $(window).scrollTop(); // returns number

    if (stickyTop < windowTop) {
      $('#desc').css({ position: 'fixed', top: 0 });
    }
    else {
      $('#desc').css('position','static');
    }

  });

});

</script>


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        <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>

<script>
$(document).ready(function(){

   $(".slidingDiv").hide();
   $(".show_hide").show();

   $('.show_hide').toggle(function(){
       $(".slidingDiv").slideDown(
         function(){
           $("#navigation").text("navigation")
         }
       );
   },function(){
       $(".slidingDiv").slideUp(
       function(){
           $("#navigation").text("navigation")
       }
       );
   });
});
</script>

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