function displayDialog(title, msg) {
    if ($('#dialogBox').length == 0) {
        $('<div id="dialogBox" style="text-align\:left; display\:none;"></div>').appendTo('body');
        
        $('#dialogBox').dialog({
            title: title,
            autoOpen: false,
            bgiframe: true,
            draggable: false,
            resizable: false,
            width: 450,
            buttons: { 
                'Ok': function() {
                    $(this).dialog('close');
                }
            }
        });
    }
    
    $('#dialogBox').html(msg);
    $('#dialogBox').dialog('open'); 
}