jQuery(document).ready(function() {
 // hides the slickbox as soon as the DOM is ready (a little sooner that page load)
  jQuery('.slickbox').hide();
  
 // works with multiple events on a page
    jQuery('a.slick-toggle').click(function() {
     jQuery(this).parent().next().find('.slickbox').slideToggle();
      return false;
    });
  });