$(document).ready(function(){
  $('.main_menu>ul>li').hover(
    function(){
      if (!$(this).hasClass('selected'))
      {
        $('img',$(this)).attr('src',$('img',$(this)).attr('src').replace(/_off\.gif$/,'_on.gif'));
      }
      $('.sub_menu',$(this)).css({
        'width': ($('img',$(this)).width() - 16)+"px",
        'display': "block"
      });
    },
    function(){
      if (!$(this).hasClass('selected'))
      {
        $('img',$(this)).attr('src',$('img',$(this)).attr('src').replace(/_on\.gif$/,'_off.gif'));
      }
      $('.sub_menu',$(this)).css({
        'display': "none"
      });
    }
  );

  $('.sub_menu_left_nav').removeClass('selected');
  $('.sub_menu_left_nav .top_submenu_bottom shape').remove();
  if (
    (0 != $('.sub_menu_left_nav .top_submenu_bottom_selected shape').length) &&
    (0 == $('.sub_menu_left_nav .top_submenu_bottom shape').length))
  {
    $('.sub_menu_left_nav .top_submenu_bottom div').each(
      function()
      {
        DD_belatedPNG.fixPng(this);
      }
    );
  }

  $('.sub_menu_left_nav .content_wrapper shape').css('display','none');
  $('.sub_menu_left_nav').hover(
    function()
    {
      $('.sub_menu_left_nav .content_wrapper shape').css('display','');
      $('.sub_menu_left_nav .top_submenu_bottom shape').css('display','none');
      $('.sub_menu_left_nav .top_submenu_bottom_selected shape').css('display','');
      $('.sub_menu_left_nav').addClass('selected');

    },
    function()
    {
      $('.sub_menu_left_nav .content_wrapper shape').css('display','none');
      $('.sub_menu_left_nav .top_submenu_bottom shape').css('display','');
      $('.sub_menu_left_nav .top_submenu_bottom_selected shape').css('display','none');
      $('.sub_menu_left_nav').removeClass('selected');
    }
  );
});