function popup(message) {
            var maskHeight = $(document).height();
            var maskWidth = $(window).width();

            var dialogTop =  (maskHeight/2) - ($('#dialog-box').height());
            var dialogLeft = (maskWidth/2) - ($('#dialog-box').width()/2);

            $('#dialog-overlay').css({height:maskHeight, width:maskWidth}).show();
            $('#dialog-box').css({top:dialogTop, left:dialogLeft}).show();

            $('#dialog-message').html(message);

        }



    function showPopup(message){


            $(window).resize(function () {
            if (!$('#dialog-box').is(':hidden')) popup();
         });

        popup(message);

    }

    function popupHide()
    {
      $('#dialog-overlay').hide();
      $('#dialog-box').hide();
    }