$('#catalog-sort').change(function() {
var valueSort = $('#catalog-sort').val();
$.ajax({
type: "POST",
url: window.location.href,
data: {ajaxData: {sort :valueSort}},
success: function(data){
$("#content").empty();
$("#content").html(data);
}
});
return false;
});
#('#content").on('change', '#catalog-sort', function() {
...
});