ASP頁面隨機添加字元實現防複製的代碼

<%
'作用:文字防複製亂碼 函數
'Date:2006-3-6
'作者:blue2004
'參數str 為原文,str1作者也是你自己,reslut產生亂碼的種子
Function ReadToCode(str,Str1,result)
dim name
dim i,j,k
If isnull(str) then
ReadToCode=""
Exit Function
End If
Randomize
k=instr(str,"</P>")
Do while k>0
result=""
for i=0 to 19
j=Int(128 * Rnd)+1
if j=60 or j=62 then
j=j+1
end if
result =result&chr(j) ' 產生隨機數。
next
result="<span style='DISPLAY: none'>"&result&"</span>"
str=replace(str,"</p>",result&"<'/p>",1,1)
k=instr(str,"</p>")
loop
str=replace(str,"<'/p>","</p>")

k=instr(str,"<br>")
Do while k>0
result=""
for i=0 to 19
j=Int(128 * Rnd)+1
if j=60 or j=62 then
j=j+1
end if
result =result&chr(j) ' 產生隨機數。
next
result="<span style='DISPLAY: none'>"&result&"</span>"
str=replace(str,"<br>",result&"<'br>",1,1)
k=instr(str,"<br>")
loop
str=replace(str,"<'br>","<br>")
ReadToCode=str&"<div align=right style='color=gray'>[著作權歸原作者及"&Str1&"共同擁有，轉載請註明出處]</div>"
End Function

Dim a
a="嘎嘎，一篇<br>不錯的好<p>文章哦</P><br><P>我艸，，讓你偷。。木　JJ的傢伙,嬲。。</p>"

'Only For Test
response.write (a)

Dim b
'為配合轉換,字串ａ的大小都替換成小寫
b=ReadToCode(LCase(a),"blue2004","www.xxx.com")

'Output
response.write b
%>