JQuery session

JQuery session

I have a problem when manipulating with session by using JQuery.
In my JSP, I set session by "session.setAttribute("booking",Yourbooking);"

Then, I want to delete the session when clicking button with identity "destroy" But I donot know how to do it.
I only include regular JQuery.js file, nothing else. Do I have to include some more?


<script>
  $(document).ready(function(){
      $("#destroy").click(function()
      {
         var destory = $.session("booking");
         alert(destroy);
         return true;
      });
  });
</script>