<%Rem 判断发言是否来自外部


function IsValidEmail(email)
IsValidEmail = true
names = Split(email, "@")
if UBound(names) <> 1 then
   IsValidEmail = false
   exit function
end if
for each name in names
   if Len(name) <= 0 then
     IsValidEmail = false
     exit function
   end if
   for i = 1 to Len(name)
     c = Lcase(Mid(name, i, 1))
     if InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 and not IsNumeric(c) then
       IsValidEmail = false
       exit function
     end if
   next
   if Left(name, 1) = "." or Right(name, 1) = "." then
      IsValidEmail = false
      exit function
   end if
next
if InStr(names(1), ".") <= 0 then
   IsValidEmail = false
   exit function
end if
i = Len(names(1)) - InStrRev(names(1), ".")
if i <> 2 and i <> 3 then
   IsValidEmail = false
   exit function
end if
if InStr(email, "..") > 0 then
   IsValidEmail = false
end if

end function


function HTMLEncode(fString)
if not isnull(fString) then
    fString = replace(fString, ">", "&gt;")
    fString = replace(fString, "<", "&lt;")
    fString = Replace(fString, " ", "&nbsp;")
    fString = Replace(fString, CHR(32), "&nbsp;")
    fString = Replace(fString, CHR(34), "&quot;")
    fString = Replace(fString, CHR(39), "&#39;")
    fString = Replace(fString, CHR(13), "")
    fString = Replace(fString, CHR(10) & CHR(10), "</P><P>")
    fString = Replace(fString, CHR(10), "<BR>")
    HTMLEncode = fString
end if
end function

function HTMLnocode(fString)
if not isnull(fString) then
	fString = Replace(fString, "</P><P>", "")
    fString = Replace(fString, "<BR>", "")
    HTMLnocode = fString
end if
end function
function HTMLDecode(fString)
if not isnull(fString) then
    fString = replace(fString, "&gt;", ">")
    fString = replace(fString, "&lt;", "<")

    fString = Replace(fString, "", CHR(13))
    fString = Replace(fString, "</P><P>", CHR(10) & CHR(10))
    fString = Replace(fString, "<BR>", CHR(10))
    HTMLDecode = fString
end if
end function
%>





