$(function() {
  $('#btn02').click(function(){
    $('#search').hide().html('<iframe src="../search_j.html" width="417" height="500" frameborder="0" scrolling="yes"></iframe>').slideDown(400);
    });
  
  $('#btn01').click(function(){
   $('#search').hide().html('<iframe src="../search.html" width="417" height="500" frameborder="0" scrolling="yes"></iframe>').slideDown(400);
   });
  
  
});