健腹轮的正确使用视频:asp,下面代码不明白？

Function FilterJS(v)
if not isnull(v) then
dim t
dim re
dim reContent
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern="(javascript)"
t=re.Replace(v,"javascript")
re.Pattern="(jscript:)"
t=re.Replace(t,"jscript:")
re.Pattern="(js:)"
t=re.Replace(t,"js:")
're.Pattern="(value)"
't=re.Replace(t,"value")
re.Pattern="(about:)"
t=re.Replace(t,"about:")
re.Pattern="(file:)"
t=re.Replace(t,"file:")
re.Pattern="(document.cookie)"
t=re.Replace(t,"documents.cookie")
re.Pattern="(vbscript:)"
t=re.Replace(t,"vbscript:")
re.Pattern="(vbs:)"
t=re.Replace(t,"vbs:")
re.Pattern="(on(mouse|exit|error|click|key))"
t=re.Replace(t,"on$2")
're.Pattern="(&#)"
't=re.Replace(t,"＆#")
FilterJS=t
set re=nothing
end if
End Function

function HTMLEncode(fString)
if not isnull(fString) then
fString = replace(fString, ">", ">")
fString = replace(fString, "<", "<")

fString = Replace(fString, CHR(32), " ")
fString = Replace(fString, CHR(9), " ")
fString = Replace(fString, CHR(34), """)
fString = Replace(fString, CHR(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 nohtml(str)
dim re
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern="(\<.[^\<]*\>)"
str=re.replace(str," ")
re.Pattern="(\<\/[^\<]*\>)"
str=re.replace(str," ")
nohtml=str
set re=nothing
end function
function cutStr(str,strlen)
dim l,t,c
l=len(str)
t=0
for i=1 to l
c=Abs(Asc(Mid(str,i,1)))
if c>255 then
t=t+2
else
t=t+1
end if
if t>=strlen then
cutStr=left(str,i)&".."
exit for
else
cutStr=str
end if
next
cutStr=replace(cutStr,chr(10),"")
end function
%>
我这只是一部份，下面还有，但是放不下，要怎么做能放下啊，谢谢！