$(function () {
    $(document).on('click', '#paginationGoBtn', function (event) {
        event.preventDefault();
        var page = $('#paginationGoInput').val();
        if (!page) {
            return false;
        }
        var href = $(this).attr('href');
        href = href.replace(/page=\d+/, 'page='+page);
        location.href = href;
    });

    $(document).on('input', '#paginationGoInput', function () {
        var val = parseInt($(this).val());
        if (isNaN(val) || val === 0) {
            $(this).val('');
        } else {
            $(this).val(val);
        }
    });

    $(document).on('keypress', '#paginationGoInput', function (event) {
        if (event.keyCode === 13) {
            event.preventDefault();
            $('#paginationGoBtn').click();
        }
    });
});