local function login(rl)
local username,password
repeat
	term.setCursorPos(3, 7)
	print([[Username:                                      |]])
	term.setCursorPos(3, 8)
	print([[Password:                                      |]])

	term.setCursorPos(12, 7)
	username = read()
	term.setCursorPos(12, 8)
	password = read([[x]])
	term.setCursorPos(3, 9)
	print([[need to change? y for yes, n for no]])
	term.setCursorPos(3, 10)
	local change = read()
until change == [[n]]
print(username) --nil
print(password) --nil
end