function ShowWaiting(strType) {
    switch (strType) {
        case "Sending":
            var strUrl = "/GDForums/library/sys_MsgSending.htm"; break;
        case "Parsing":
            var strUrl = "/GDForums/library/sys_MsgParsing.htm"; break;
        case "Deleting":
            var strUrl = "/GDForums/library/sys_MsgDeleting.htm"; break;
        case "Saving":
            var strUrl = "/GDForums/library/sys_MsgSaving.htm"; break;
        case "Clearing":
            var strUrl = "/GDForums/library/sys_MsgClearing.htm"; break;
        case "Login":
            var strUrl = "/GDForums/library/sys_MsgLogin.htm"; break;
        case "Logout":
            var strUrl = "/GDForums/library/sys_MsgLogout.htm"; break;
        default:
            var strUrl = "/GDForums/library/sys_MsgLoading.htm"; break;
    }
    if (typeof(document.all['gobj_WaitingMessageBox']) == "undefined") {
        document.body.insertAdjacentHTML("BeforeEnd","<iframe frameborder=no id='gobj_WaitingMessageBox' " +
                                         " style='z-index:999;position:absolute;width:100%;height:100%;left:0px;top:0px'" +
                                         " src='" + strUrl + "'></iframe>");
    }
    else {
        document.all['gobj_WaitingMessageBox'].src = strUrl;
        document.all['gobj_WaitingMessageBox'].style.display = "";
    }
    document.body.focus();
}