function Markletter()
PlaySound(1,'lostletter.wav')
l_result=utils.inputbox ("输入信件人物ID,放弃请输入discard。", "lostname", GetVariable("lostname"), "宋体" , "12")
if not isNil(l_result) then
SetVariable("lostname",l_result)
StopSound (1)
end
return MarkName()
end