$(document).ready(function() {
    if($('#side_nav_ul') != null){
        $('#side_nav_ul').menuTree({
                animation: true,
                handler: 'toggle',
                anchor: 'a[href="#"]',
                speed: 200
        });

        $('li.current_filter').parent().removeClass("collapsed")
        
        //fade in
        $('#side_nav_ul').fadeIn(500);
        
        
        

    }
});