$(document).ready(function(){
    
//Set default open/close settings
$('.acc_container').hide(); //Hide/close all containers
$('.acc_trigger:eq(1)').addClass('active').next().show(); 
//$(‘.acc_trigger:nth(2)’).addClass(‘active’).next().show(); //Add "active" class to first trigger, then show/open the immediate next container

//On Click
$('.acc_trigger').click(function(){
    if( $(this).next().is(':hidden') ) { //If immediate next container is closed...
        $('.acc_trigger').removeClass('active').next().slideUp(); //Remove all "active" state and slide up the immediate next container
        $(this).toggleClass('active').next().slideDown(); //Add "active" state to clicked trigger and slide down the immediate next container
    }
    return false; //Prevent the browser jump to the link anchor
});

});