(function(jQuery){
     jQuery.fn.extend({  
         accordion: function() {       
            return this.each(function() {
             
             var $ul = $(this);
             
    if($ul.data('sh_menu'))
     return false;
             
    $.each($ul.find('ul, li>div'), function(){
     $(this).data('sh_menu', true);
     $(this).hide();
    });
    
    $.each($ul.find('a'), function(){
     $(this).click(function(e){
      activate(this);
      return void(0);
     });
    });
    
    var active = (location.hash)?$(this).find('a[href=' + location.hash + ']')[0]:'';
    if(active){
     activate(active, 'toggle');
     $(active).parents().show();
    }
    
    function activate(el,effect){
     $(el).parent('li').toggleClass('active').siblings().removeClass('active').children('ul, div').slideUp('fast');
     $(el).siblings('ul, div')[(effect || 'slideToggle')]((!effect)?'fast':null);
    }
    
            });
        } 
    }); 
})(jQuery);