gothick / omm

$(function() {

    window.addEventListener("keydown", function (event) {

        if (event.defaultPrevented) {

            return; // Do nothing if the event was already processed

        }

        var url;

        switch (event.key) {

            case "Left": // IE/Edge specific value

            case "ArrowLeft":

                url = $("#navigatePrev").attr('href');

                if (url) {

                    window.location.href = url;

                }

            break;

            case "Right": // IE/Edge specific value

            case "ArrowRight":

                url = $("#navigateNext").attr('href');

            break;

            default:

            return; // Quit when this doesn't handle the key event.

        }

        if (url) {

            window.location.href = url;

        }

        // Cancel the default action to avoid it being handled twice

        event.preventDefault();

        }, true);

});