var globalWindowManager = null;

function _getManager() {
    var oManager = globalWindowManager;
    if (oManager == null) {
        oManager = getChatWin().GetRadWindowManager();
        if (!oManager)
            oManager = getChatWin().GetRadWindowManager();
        if (!oManager)
            oManager = getChatWin().oWindowManager;
    }
    return oManager;
}

function ShowStatusWindow(name, content) {
    var oWnd = getWindow(name);
    if (oWnd == null) {
        oWnd = openWindow(name, '', 300, 300);
        if (content) {
            var frame = oWnd.get_contentFrame();
            if (frame) {
                var _document = null;
                if (frame.contentDocument)
                    _document = frame.contentDocument;
                else _document = frame.contentWindow.document;
                if (_document) {
                    _document.open();
                    _document.write(content);
                }
            }
        }
        oWnd.show();
    }
    oWnd.center();
}

function UpdateStatusWindow(name, content)
{
    var oWnd = getWindow(name);
    if (oWnd != null) {
        if (content == null)
            content = '';
        //oWnd.SetContent(content); não funcionou no prometheus
        var frame = oWnd.get_contentFrame();
        if (frame) {
            var _document = null;
            if (frame.contentDocument)
                _document = frame.contentDocument;
            else _document = frame.contentWindow.document;
            if (_document) {
                _document.open();
                _document.write(content);
            }
        }
        oWnd.center(); 
    }    
}

function CloseStatusWindow(name) {
    var oWnd = getWindow(name);
    if (oWnd != null) {
        oWnd.close();
    }
}

function openWindow(name, src, width, height) {
    var oManager = _getManager();
    var oWnd = oManager.Open(src, name);
    oWnd.setSize(width, height);
    oWnd.center();
    return oWnd;
}

function getWindow(name) {
    var oManager = _getManager();
    var oWnd = null;
    if (oManager)
        oWnd = oManager.getWindowByName(name);
    return oWnd;
}

function GetSelectedWindow() {
    var oManager = _getManager();
    var oWnd = oManager.GetActiveWindow();
    oWnd.center();
    return oWnd;
}

function chatAlert(msg, forcerad) {
    try {
        if (forcerad)
            chatRadAlert(msg);
        else {
            if (Html_IsWinIE)
                alert(msg);
            else chatRadAlert(msg);
        }
    }
    catch (e)
    { getChatWin().alert(msg); }
}

function chatRadAlert(msg) {
    try {
        getChatWin().radalert(msg, 320, 200, "Alerta do LiveCHAT");
    }
    catch (e)
    { getChatWin().alert(msg); }
}

function GetRadWindow() {
    var oWindow = null;
    if (window.radWindow) oWindow = window.radWindow; //Will work in Moz in all cases, including clasic dialog
    else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow; //IE (and Moz az well)
    return oWindow;
}