Function URLDecode(enStr)
  dim deStr,strSpecial
  dim c,i,v
    deStr=""
    strSpecial="!""#$%&'()*+,.-_/:;< =>?@[/]^`{|}~%"
    for i=1 to len(enStr)
      c=Mid(enStr,i,1)
      if c="%" then
        v=eval("&h"+Mid(enStr,i+1,2))
        if inStr(strSpecial,chr(v))>0 then
          deStr=deStr&chr(v)
          i=i+2
        else
          v=eval("&h"+ Mid(enStr,i+1,2) + Mid(enStr,i+4,2))
          deStr=deStr & chr(v)
          i=i+5
        end if
      else
        if c="+" then
          deStr=deStr&" "
        else
          deStr=deStr&c
        end if
      end if
    next
    URLDecode=deStr
End function

private Function URLEncoding(vstrIn)
    strReturn = ""
    For i = 1 To Len(vstrIn)
    ThisChr = Mid(vStrIn,i,1)
    If Abs(Asc(ThisChr)) < &HFF Then
    strReturn = strReturn & ThisChr
    Else
    innerCode = Asc(ThisChr)
    If innerCode < 0 Then
    innerCode = innerCode + &H10000
    End If
    Hight8 = (innerCode And &HFF00)/ &HFF
    Low8 = innerCode And &HFF
    strReturn = strReturn & "%" & Hex(Hight8) & "%" & Hex(Low8)
    End If
    Next
    URLEncoding = strReturn
  End Function