怎样把中文转换为UNICODE？

<%
function unicode(str)
dim i,j,c,i1,i2,u,fs,f,p
unicode=""
p=""
for i=1 to len(str)
c=mid(str,i,1)
j=ascw(c)
if j<0 then
j=j+65536
end if
if j>=0 and j<=128 then
if p="c" then
unicode=" "&unicode
p="e"
end if
unicode=unicode&c
else
if p="e" then
unicode=unicode&" "
p="c"
end if
unicode=unicode&"&#"&j&";"
end if
next
end function

function cutline(str,linelen)
dim i,j,c,k
cutline=""
j=0
for i=1 to len(str)
c=mid(str,i,1)
if asc(c)<0 or asc(c)>127 then
k=2
else
if asc(c)<32 then
k=0
if asc(c)=13 then
j=0
cutline=cutline+"<br/>"+c
c=""
end if
else
k=1
end if
end if
j=j+k
if j>linelen*2 then
cutline=cutline+"<br/>"+vbCrlf+c
j=k
else
cutline=cutline+c
end if
next
end function

function convertsymbol(sStr)
dim i,c
convertsymbol=""
for i=1 to len(sStr)
c=mid(sStr,i,1)
if c=">" then
convertsymbol=convertsymbol & ">"
elseif c="<" then
convertsymbol=convertsymbol & "<"
elseif c="'" then
convertsymbol=convertsymbol & "'"
elseif c="""" then
convertsymbol=convertsymbol & """
elseif c="&" then
convertsymbol=convertsymbol & "&"
elseif c="$" then
convertsymbol=convertsymbol & "$$"
else
convertsymbol=convertsymbol & c
end if
next
end function

function convertstring(sStr)
dim strtemp,asctemp,c
strtemp=""
for i=1 to len(sStr)
c=mid(sStr,i,1)
asctemp=ascw(c)
if (asctemp>47 and asctemp<58) or (asctemp>64 and asctemp<91) or (asctemp>96 and asctemp<123) then
strtemp=strtemp & c
end if
next
convertstring=Lcase(strtemp)
end function
%><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

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