function createLoginWindow()
       local X = 0.375
       local Y = 0.375
       local Width = 0.25
       local Height = 0.25
       wdwLogin = guiCreateWindow (X, Y, Width, Height, "Please log in.", true)

       X = 0.0825
       Y = 0.2
       Width = 0.25
       Height = 0.25
       guiCreateLabel(X, Y, Width, Height, "Username", true, wdwLogin)
       Y = 0.5
       guiCreateLabel(X, Y, Width, Height, "Password", true, wdwLogin)


       X = 0.415
       Y = 0.2
       Width = 0.5
       Height = 0.15
       edtUser = guiCreateEdit(X, Y, Width, Height, "", true, wdwLogin)
       Y = 0.5
       edtPass = guiCreateEdit(X, Y, Width, Height, "", true, wdwLogin)
       guiEditSetMaxLenght(edtUser, 50)
       guiEditSetMaxLenght(edtPass, 50)

       X = 0.415
       Y = 0.7
       Width = 0.025
       Height = 0.2
       btnLogin = guiCreateButton(X, Y, Width, Height, "Log in.", true, wdwLogin)

       guiSetVisible(wdwLogin, false)
end
addEventHandler("onClientResourceStart", getResourceRootElement(getThisResource()),
        function ()
                createLoginWindow()
                outputChatBox("Welcome to Fun Flight Server. Please log in.")

                if (wdwLogin ~= nil)  then
                        guiSetVisible(wdwLogin, true)
                else
                        outputChatBox("An unexpected error has ocurred. Please visit funflightserver.webs.com and report this error.")
                end

                if btnLogin then
                    addEventHandler ('onClientGUIClick', btnLogin, clientSubmitLogin, false)
                else
                    outputDebugString ('attaching event handler for btnLogin fail')
                end

                showCursor(true)
                guiSetInputEnabled(true)
        end
)

function clientSubmitLogin(button,state)
    if button == "left" and state == "up" then
        local username = guiGetText(edtUser)
        local password = guiGetText(edtPass)

        if username and password then
            triggerServerEvent("submitLogin", getRootElement(), username, password)

            guiSetInputEnabled(false)
            guiSetVisible(wdwLogin, false)
            showCursor(false)
        else
            outputChatBox("Please enter wanted username and password.")
        end
    end
end