$(document).ready(function(){

//Hide (Collapse) the toggle containers on load
$(".toggle_container").hide();

//Switch the "Open" and "Close" state per click
$("h4.trigger").toggle(function(){
$(this).addClass("active");
 }, function () {
 $(this).removeClass("active");
 });

//Slide up and down on click
 $("h4.trigger").click(function(){
 $(this).next(".toggle_container").slideToggle("slow");
 });

});