$(document).ready(function() {
    $('#reise_form_advance').click(function() {
        $('#reise_form_subcolumns').toggle('slow');
    });
    $('#filter_hinreise').datepicker({
        beforeShow: function() {
            var maxDate = $('#filter_rueckreise').datepicker('getDate');

            if(maxDate)
            {
                return {
                    maxDate: maxDate
                };
            }
        }
    })
    $('#filter_rueckreise').datepicker({
        beforeShow: function() {
            var minDate = $('#filter_hinreise').datepicker('getDate');

            if(minDate)
            {
                return {
                    minDate: minDate
                };
            }
        }
    })
});