$(document).ready(function() {
      //menus
	  // Collapse everything 
      //$('.sub-menu').hide();
	  // open the parent of active link
	  var selected = $('.active').parent('li').parent('ul').parent('li');
	  selected.addClass('opened').children('ul').show().siblings('a').addClass('active');
	  //selected.parents('li').addClass('opened').children('ul').show().siblings('a').addClass('active');
	  // when the user click on the link where the parent is .expanded
	  $('.expanded').children('a').click(function() {
	    if ($(this).parent('li').is('li.opened')) {
          // close itself
          $(this).removeClass('minus').removeClass('active').siblings('ul').slideUp('normal');
	      $(this).removeClass('minus').removeClass('active').parent('li').removeClass('opened');
        }
	    else {
  	      // close the parent's siblings that have children with class .expanded 
	      $(this).parent('li').siblings('li.opened').removeClass('opened').children('ul').slideUp('normal').siblings('a').removeClass('minus').removeClass('active');
	      $(this).siblings('ul').slideDown('normal');
	      $(this).addClass('minus').addClass('active').parent('li').addClass('opened');	  
	    }
	  }); 
	});