function show_dialog(msg) {
    $("body").append(
    '<div id="dialog_container">'
        + '<div id="dialog_close_div">'
            + '<a id="dialog_close" href="" style="color: white">close</a>'
        + '</div>'
        
        + '<div id="dialog_msg">'
        + msg
        + '</div>'
    + '</div>');

    $("body").append('<div id="dialog_overlay"></div>');

    $("#dialog_container").css({
        "width": "400px",
        "position": "absolute",
        "top": "200px",
        "left": "300px",
        "padding": "10px",
        "border": "double black 3px",
        "background-color": "#3CA0D0",
        "zIndex": 99999,
    });


    $("#dialog_overlay").css({
        "position": 'absolute',
        "zIndex": 99998,
        "top": '0px',
        "left": '0px',
        "width": '100%',
        "background": "#000000",
        "opacity": .5
    });
    $("#dialog_overlay").height($(document).height());

    $("#dialog_close_div").css({
        "text-align": "right",
        "background-color": "#086FA1",
        "padding": "5px"
    });

    $("#dialog_msg").css({
        "margin-top": "20px",
        "margin-left": "20px",
        "margin-right": "20px",
        "padding": "5px",
        "padding-left": "20px",
        "padding-right": "20px",
        "background-color": "white",
    });

    $("#dialog_close,#dialog_overlay").click(function() {
        $("#dialog_container").remove();
        $("#dialog_overlay").remove();
        return false;
    });
}