function login(source,cmd,username,password)
    if not username then -- Check if they've not entered a username
        outputChatBox("login: Please specify a username and password",source,255,168,0)
        return false
    end
    if not password then -- If they haven't specified a password, presume they're using '/login [password]'
        password = username
        username = getPlayerName(source)
    end
    if isGuestAccount(getPlayerAccount(source)) then -- They aren't logged in.
        local account = getAccount(username,password) -- Parse the account
        if account then
            logIn(source,account,password) -- Attempt to login
        else -- They entered incorrect credentials.
            outputChatBox("login: Invalid credentials",source,255,168,0)
        end
    else -- They're logged in.
        outputChatBox("login: You are already logged in",source,255,168,0)
    end
end
addCommandHandler("login",login,false,false)