(function($){
$(window).bind("load",function(){
    $("ul.accordion-4").each(function(){
       var tree=$(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-4-sub");
         sub.hide();
         if(sub.length){
            action.click(function(){
	            if(li.hasClass("active")==false){
	                li.toggleClass("active");
	                activeLi.toggleClass("active");
	                activeLi.children("ul.accordion-4-sub").slideUp();
	                sub.slideDown();
	                activeLi =li;
	            }
	        });
         }
	     
         action.hover(function(){
            action.addClass("level-first-hover");
         },function(){
            action.removeClass("level-first-hover");
         });
	   });
	  
	   activeLi.children("ul.accordion-4-sub").show();
	   

    });

});
})(jQuery);