///<reference path='jquery-1.3.2.js' />
function showMessage(title, msg, onOk, onClose, isModal) {
    var dialogId = "___ShowMessage_Dialog";

    var dialogDom = document.createElement("div");
    dialogDom.innerHTML = "<div style='padding:5px;text-align:center;'>" + msg + "</div>";
    dialogDom.id = dialogId;
    document.body.appendChild(dialogDom);

    $("#" + dialogId).dialog({
        title: title,
        buttons: {
            '确定': onOk
        },
        close: onClose,
        modal: isModal
    });
}