(function ($) {
$('.popup-link').magnificPopup();

  $(document).ready(function() {

  	// side nav menu

  	var nestedNav = $('.side-nav-dropdown-menu');
//  	nestedNav.css("display", "block");
  	var nestedNavLink = $('.side-nav-menu-item-has-dropdown');

  	nestedNavLink.find(' > a').click(function(e) {
      e.preventDefault();
   		nestedNav.slideToggle('fast', function() {
   			if (nestedNav.css("display") == 'block') {
   				nestedNavLink.addClass('side-nav-menu-item-is-open');
   			} else {
   				nestedNavLink.removeClass('side-nav-menu-item-is-open');
   			}
   		});
   	});

    // accordion + tabs

    $( ".accordion" ).accordion({heightStyle: "content"});
    $( ".tabs" ).tabs();

    // equalise columns 
    
    $('.navbar-menu-item-has-dropdown').mouseover(function() {
      $('.navbar-dropdown').equalise({
        items: ['.navbar-dropdown-section', '.navbar-dropdown-featured-section']
      });
      $('.navbar-dropdown-section').equalise({
        items: ['.navbar-dropdown-section-group']
      });
    });

    // search form 
    
    $('.search-icon').click(function(e) {
      e.preventDefault();
      $('.search-icon').toggleClass('fast');
    });

    // back to top 
    
    $('.back-to-top').click(function(e) {
      e.preventDefault();
      $('html, body').animate({ 
        scrollTop: 0 }, "slow");
    });

  });

})(jQuery);