Magica Login

local w,h = term.getSize()

os.pullEvent = os.pullEventRaw

local username = {
"user1","user2","user3"
}

local password = {
"pass1","pass2","pass3"
}

local function center(text, line)
  term.setCursorPos(math.floor(w/2)-string.len(text)/2, line)
  write(text)
end

while true do
  term.clear()
  center("Magica Security INC", 1)
  center(":=================:",2)
  center("Copyright 2013",4)
  center(":============:",5)
  center(":==========:",8)
  center("Username >> ",7)
  input = read()
  center(":==========:",10)
  center("Password >> ",9)
  pass = read("*")
    for i,v in ipairs(username) do
      if input == v then
        if pass == password[i] then
          term.clear()
          center("Welcome "..tostring(input),2)
          center(":===============:",3)
          sleep(1)
          rs.setOutput("bottom", true)
          sleep(5)
          rs.setOutput("bottom", false)
          else
            term.clear()
            center("Incorrect details!",2)
            center(":================:",3)
            sleep(2)
        end
      end
    end
end