MSScriptControl in .asp on 64bit server won't work

I have an .asp application that uses CreateObject("MSScriptControl.ScriptControl") so it can use the eval method to unescape an encoded string with special characters (ie. %A7).  We work with a lot of foreign languages.  This had worked fine, but when we moved it to a 64 bit server we get the "can't create object" error.

Function Unescape(s) 
    Dim scr 
    Set scr = CreateObject("MSScriptControl.ScriptControl")
    scr.Language = "VBScript"
    scr.Reset
    Unescape = scr.Eval("unescape(""" & s & """)")
End Function

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Doing a little searching it appears that there is only a 32 bit version of msscript.ocx.  So, my questions are, (1) how can I make this run on a 64 bit server, (2) is there an equivalent function that can replace msscript, or (3) is there an alternative to decoding strings that works as well.