if ('matchMedia' in window) {

    // Chrome, Firefox, and IE 10 support mediaMatch listeners

    window.matchMedia('print').addListener(function(media) {

        if (media.matches) {

            beforePrint();

        } else {

            // Fires immediately, so wait for the first mouse movement

            $(document).one('mouseover', afterPrint);

        }

    });

} else {

    // IE and Firefox fire before/after events

    $(window).on('beforeprint', beforePrint);

    $(window).on('afterprint', afterPrint);

}

​

function beforePrint() {

    $("#AllContent").hide();

    $(".PrintMessage").show();

}

​

function afterPrint() {

    $(".PrintMessage").hide();

    $("#AllContent").show();

}