(function($){
$(window).bind("load",function(){
    $("ul.accordion-2").each(function(){
       var tree=$(this);
    
       var activeLi = tree.children("li.active");
       if(!activeLi.length){
         activeLi =$(tree.children("li")[0]);
       }
	   tree.children("li").each(function(i){
	     var li=$(this);
	     var action = $(this).children("div.level-first");
	     var sub = $(this).children("ul.accordion-2-sub");
         sub.hide();
	     action.click(function(){
	        if(li.hasClass("active")==false){
	            li.toggleClass("active");
	            activeLi.toggleClass("active");
	            activeLi.children("ul.accordion-2-sub").slideUp();
	            sub.slideDown();
	            activeLi =li;
	        }
	     });

	   });
	  
       activeLi.children("ul.accordion-2-sub").show();

    });

});
})(jQuery);