codice:
 function controlla(uid)
uid = replace(uid, "'", "")
uid = replace(uid, "-", "")
uid = replace(uid, "=", "")
uid = replace(uid, "[", "")
uid = replace(uid, "]", "")
controlla = uid 
end function
gino = (controlla(username))
if gino = "" then response.write ("vuoto")