$("#filter-category").change(function () {
  // 1st
  $(this).closest("form").submit();
});
$("#filter-year").change(function () {
  // 1st
  $(this).closest("form").submit();
});
$(window).trigger("broadcast.greatAddon", { maxVolume: 11 });
$(window).on("broadcast.greatAddon", function (msg) {console.log(msg.maxVolume);});


$(document).ready(function() {
    $('#list').click(function(event){event.preventDefault();$('#products .item').addClass('list-group-item');});
    $('#grid').click(function(event){event.preventDefault();$('#products .item').removeClass('list-group-item');$('#products .item').addClass('grid-group-item');});
});