文内关键字替换

 Function AddLink(str)
  Dim Rs
  Set Rs = objConn.Execute("Select [KeyWords],[LinkUrl],[LinkTitle],[LinkWindow] FROM [blog_KeyLink]")
  While Not Rs.eof
   if instr(str,Rs(0))>0 then
    AddLink=Replace(str,Rs(0),"" & Rs(0) & "")
   end if
   Rs.movenext
  Wend
  Set Rs=Nothing
 End Function